18.68/8.26 YES 18.68/8.26 18.68/8.26 Ultimate: Cannot open display: 18.68/8.26 This is Ultimate 0.1.24-8dc7c08-m 18.68/8.26 [2019-03-28 22:32:59,759 INFO L170 SettingsManager]: Resetting all preferences to default values... 18.68/8.26 [2019-03-28 22:32:59,761 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 18.68/8.26 [2019-03-28 22:32:59,772 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 18.68/8.26 [2019-03-28 22:32:59,773 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 18.68/8.26 [2019-03-28 22:32:59,773 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 18.68/8.26 [2019-03-28 22:32:59,775 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 18.68/8.26 [2019-03-28 22:32:59,776 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 18.68/8.26 [2019-03-28 22:32:59,778 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 18.68/8.26 [2019-03-28 22:32:59,778 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 18.68/8.26 [2019-03-28 22:32:59,779 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 18.68/8.26 [2019-03-28 22:32:59,780 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 18.68/8.26 [2019-03-28 22:32:59,780 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 18.68/8.26 [2019-03-28 22:32:59,782 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 18.68/8.26 [2019-03-28 22:32:59,783 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 18.68/8.26 [2019-03-28 22:32:59,784 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 18.68/8.26 [2019-03-28 22:32:59,784 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 18.68/8.26 [2019-03-28 22:32:59,786 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 18.68/8.26 [2019-03-28 22:32:59,788 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 18.68/8.26 [2019-03-28 22:32:59,789 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 18.68/8.26 [2019-03-28 22:32:59,790 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 18.68/8.26 [2019-03-28 22:32:59,792 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 18.68/8.26 [2019-03-28 22:32:59,794 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 18.68/8.26 [2019-03-28 22:32:59,794 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 18.68/8.26 [2019-03-28 22:32:59,794 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 18.68/8.26 [2019-03-28 22:32:59,795 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 18.68/8.26 [2019-03-28 22:32:59,796 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 18.68/8.26 [2019-03-28 22:32:59,796 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 18.68/8.26 [2019-03-28 22:32:59,797 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 18.68/8.26 [2019-03-28 22:32:59,797 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 18.68/8.26 [2019-03-28 22:32:59,798 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 18.68/8.26 [2019-03-28 22:32:59,799 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 18.68/8.26 [2019-03-28 22:32:59,800 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 18.68/8.26 [2019-03-28 22:32:59,800 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 18.68/8.26 [2019-03-28 22:32:59,801 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 18.68/8.26 [2019-03-28 22:32:59,801 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 18.68/8.26 [2019-03-28 22:32:59,801 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 18.68/8.26 [2019-03-28 22:32:59,802 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 18.68/8.26 [2019-03-28 22:32:59,803 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 18.68/8.26 [2019-03-28 22:32:59,803 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 18.68/8.26 [2019-03-28 22:32:59,818 INFO L110 SettingsManager]: Loading preferences was successful 18.68/8.26 [2019-03-28 22:32:59,818 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 18.68/8.26 [2019-03-28 22:32:59,819 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 18.68/8.26 [2019-03-28 22:32:59,820 INFO L133 SettingsManager]: * Rewrite not-equals=true 18.68/8.26 [2019-03-28 22:32:59,820 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 18.68/8.26 [2019-03-28 22:32:59,820 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 18.68/8.26 [2019-03-28 22:32:59,820 INFO L133 SettingsManager]: * Use SBE=true 18.68/8.26 [2019-03-28 22:32:59,820 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 18.68/8.26 [2019-03-28 22:32:59,820 INFO L133 SettingsManager]: * Use old map elimination=false 18.68/8.26 [2019-03-28 22:32:59,821 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 18.68/8.26 [2019-03-28 22:32:59,821 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 18.68/8.26 [2019-03-28 22:32:59,821 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 18.68/8.26 [2019-03-28 22:32:59,821 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 18.68/8.26 [2019-03-28 22:32:59,821 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 18.68/8.26 [2019-03-28 22:32:59,821 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.68/8.26 [2019-03-28 22:32:59,822 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 18.68/8.26 [2019-03-28 22:32:59,822 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 18.68/8.26 [2019-03-28 22:32:59,822 INFO L133 SettingsManager]: * Check division by zero=IGNORE 18.68/8.26 [2019-03-28 22:32:59,822 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 18.68/8.26 [2019-03-28 22:32:59,822 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 18.68/8.26 [2019-03-28 22:32:59,823 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 18.68/8.26 [2019-03-28 22:32:59,823 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 18.68/8.26 [2019-03-28 22:32:59,823 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 18.68/8.26 [2019-03-28 22:32:59,823 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 18.68/8.26 [2019-03-28 22:32:59,823 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 18.68/8.26 [2019-03-28 22:32:59,823 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 18.68/8.26 [2019-03-28 22:32:59,824 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 18.68/8.26 [2019-03-28 22:32:59,824 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 18.68/8.26 [2019-03-28 22:32:59,824 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 18.68/8.26 [2019-03-28 22:32:59,850 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 18.68/8.26 [2019-03-28 22:32:59,863 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 18.68/8.26 [2019-03-28 22:32:59,866 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 18.68/8.26 [2019-03-28 22:32:59,867 INFO L271 PluginConnector]: Initializing CDTParser... 18.68/8.26 [2019-03-28 22:32:59,868 INFO L276 PluginConnector]: CDTParser initialized 18.68/8.26 [2019-03-28 22:32:59,868 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 18.68/8.26 [2019-03-28 22:32:59,936 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/86642926e95d4fe09490f8326b5b7857/FLAGff5a6f3d5 18.68/8.26 !SESSION 2019-03-28 22:32:57.428 ----------------------------------------------- 18.68/8.26 eclipse.buildId=unknown 18.68/8.26 java.version=1.8.0_181 18.68/8.26 java.vendor=Oracle Corporation 18.68/8.26 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 18.68/8.26 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 18.68/8.26 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 18.68/8.26 18.68/8.26 !ENTRY org.eclipse.cdt.core 1 0 2019-03-28 22:33:00.202 18.68/8.26 !MESSAGE Indexed 'FLAGff5a6f3d5' (0 sources, 0 headers) in 0.006 sec: 0 declarations; 0 references; 0 unresolved inclusions; 0 syntax errors; 0 unresolved names (0%) 18.68/8.26 [2019-03-28 22:33:00,280 INFO L307 CDTParser]: Found 1 translation units. 18.68/8.26 [2019-03-28 22:33:00,281 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 18.68/8.26 [2019-03-28 22:33:00,287 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/86642926e95d4fe09490f8326b5b7857/FLAGff5a6f3d5 18.68/8.26 [2019-03-28 22:33:00,729 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/86642926e95d4fe09490f8326b5b7857 18.68/8.26 [2019-03-28 22:33:00,740 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 18.68/8.26 [2019-03-28 22:33:00,741 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 18.68/8.26 [2019-03-28 22:33:00,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 18.68/8.26 [2019-03-28 22:33:00,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 18.68/8.26 [2019-03-28 22:33:00,746 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 18.68/8.26 [2019-03-28 22:33:00,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:33:00" (1/1) ... 18.68/8.26 [2019-03-28 22:33:00,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de67cf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:33:00, skipping insertion in model container 18.68/8.26 [2019-03-28 22:33:00,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:33:00" (1/1) ... 18.68/8.26 [2019-03-28 22:33:00,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 18.68/8.26 [2019-03-28 22:33:00,776 INFO L176 MainTranslator]: Built tables and reachable declarations 18.68/8.26 [2019-03-28 22:33:00,932 INFO L206 PostProcessor]: Analyzing one entry point: main 18.68/8.26 [2019-03-28 22:33:00,937 INFO L191 MainTranslator]: Completed pre-run 18.68/8.26 [2019-03-28 22:33:00,955 INFO L206 PostProcessor]: Analyzing one entry point: main 18.68/8.26 [2019-03-28 22:33:01,032 INFO L195 MainTranslator]: Completed translation 18.68/8.26 [2019-03-28 22:33:01,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:33:01 WrapperNode 18.68/8.26 [2019-03-28 22:33:01,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 18.68/8.26 [2019-03-28 22:33:01,033 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 18.68/8.26 [2019-03-28 22:33:01,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 18.68/8.26 [2019-03-28 22:33:01,034 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 18.68/8.26 [2019-03-28 22:33:01,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:33:01" (1/1) ... 18.68/8.26 [2019-03-28 22:33:01,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:33:01" (1/1) ... 18.68/8.26 [2019-03-28 22:33:01,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 18.68/8.26 [2019-03-28 22:33:01,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 18.68/8.26 [2019-03-28 22:33:01,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 18.68/8.26 [2019-03-28 22:33:01,072 INFO L276 PluginConnector]: Boogie Preprocessor initialized 18.68/8.26 [2019-03-28 22:33:01,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:33:01" (1/1) ... 18.68/8.26 [2019-03-28 22:33:01,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:33:01" (1/1) ... 18.68/8.26 [2019-03-28 22:33:01,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:33:01" (1/1) ... 18.68/8.26 [2019-03-28 22:33:01,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:33:01" (1/1) ... 18.68/8.26 [2019-03-28 22:33:01,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:33:01" (1/1) ... 18.68/8.26 [2019-03-28 22:33:01,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:33:01" (1/1) ... 18.68/8.26 [2019-03-28 22:33:01,091 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:33:01" (1/1) ... 18.68/8.26 [2019-03-28 22:33:01,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 18.68/8.26 [2019-03-28 22:33:01,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 18.68/8.26 [2019-03-28 22:33:01,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... 18.68/8.26 [2019-03-28 22:33:01,093 INFO L276 PluginConnector]: RCFGBuilder initialized 18.68/8.26 [2019-03-28 22:33:01,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:33:01" (1/1) ... 18.68/8.26 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.68/8.26 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 18.68/8.26 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 18.68/8.26 [2019-03-28 22:33:01,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 18.68/8.26 [2019-03-28 22:33:01,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 18.68/8.26 [2019-03-28 22:33:01,304 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 18.68/8.26 [2019-03-28 22:33:01,304 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. 18.68/8.26 [2019-03-28 22:33:01,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:33:01 BoogieIcfgContainer 18.68/8.26 [2019-03-28 22:33:01,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 18.68/8.26 [2019-03-28 22:33:01,307 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 18.68/8.26 [2019-03-28 22:33:01,307 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 18.68/8.26 [2019-03-28 22:33:01,309 INFO L276 PluginConnector]: BlockEncodingV2 initialized 18.68/8.26 [2019-03-28 22:33:01,310 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:33:01" (1/1) ... 18.68/8.26 [2019-03-28 22:33:01,325 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges 18.68/8.26 [2019-03-28 22:33:01,327 INFO L258 BlockEncoder]: Using Remove infeasible edges 18.68/8.26 [2019-03-28 22:33:01,328 INFO L263 BlockEncoder]: Using Maximize final states 18.68/8.26 [2019-03-28 22:33:01,328 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 18.68/8.26 [2019-03-28 22:33:01,329 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 18.68/8.26 [2019-03-28 22:33:01,331 INFO L296 BlockEncoder]: Using Remove sink states 18.68/8.26 [2019-03-28 22:33:01,332 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 18.68/8.26 [2019-03-28 22:33:01,332 INFO L179 BlockEncoder]: Using Rewrite not-equals 18.68/8.26 [2019-03-28 22:33:01,348 INFO L185 BlockEncoder]: Using Use SBE 18.68/8.26 [2019-03-28 22:33:01,356 INFO L200 BlockEncoder]: SBE split 0 edges 18.68/8.26 [2019-03-28 22:33:01,361 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility 18.68/8.26 [2019-03-28 22:33:01,363 INFO L71 MaximizeFinalStates]: 0 new accepting states 18.68/8.26 [2019-03-28 22:33:01,380 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding 18.68/8.26 [2019-03-28 22:33:01,382 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 18.68/8.26 [2019-03-28 22:33:01,384 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 18.68/8.26 [2019-03-28 22:33:01,384 INFO L71 MaximizeFinalStates]: 0 new accepting states 18.68/8.26 [2019-03-28 22:33:01,384 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 18.68/8.26 [2019-03-28 22:33:01,384 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 18.68/8.26 [2019-03-28 22:33:01,385 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 18.68/8.26 [2019-03-28 22:33:01,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:33:01 BasicIcfg 18.68/8.26 [2019-03-28 22:33:01,385 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 18.68/8.26 [2019-03-28 22:33:01,386 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 18.68/8.26 [2019-03-28 22:33:01,386 INFO L271 PluginConnector]: Initializing TraceAbstraction... 18.68/8.26 [2019-03-28 22:33:01,390 INFO L276 PluginConnector]: TraceAbstraction initialized 18.68/8.26 [2019-03-28 22:33:01,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:33:00" (1/4) ... 18.68/8.26 [2019-03-28 22:33:01,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@524a94fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:33:01, skipping insertion in model container 18.68/8.26 [2019-03-28 22:33:01,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:33:01" (2/4) ... 18.68/8.26 [2019-03-28 22:33:01,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@524a94fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:33:01, skipping insertion in model container 18.68/8.26 [2019-03-28 22:33:01,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:33:01" (3/4) ... 18.68/8.26 [2019-03-28 22:33:01,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@524a94fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:33:01, skipping insertion in model container 18.68/8.26 [2019-03-28 22:33:01,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:33:01" (4/4) ... 18.68/8.26 [2019-03-28 22:33:01,394 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 18.68/8.26 [2019-03-28 22:33:01,404 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 18.68/8.26 [2019-03-28 22:33:01,412 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 18.68/8.26 [2019-03-28 22:33:01,429 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 18.68/8.26 [2019-03-28 22:33:01,458 INFO L133 ementStrategyFactory]: Using default assertion order modulation 18.68/8.26 [2019-03-28 22:33:01,459 INFO L382 AbstractCegarLoop]: Interprodecural is true 18.68/8.26 [2019-03-28 22:33:01,459 INFO L383 AbstractCegarLoop]: Hoare is true 18.68/8.26 [2019-03-28 22:33:01,459 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 18.68/8.26 [2019-03-28 22:33:01,459 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 18.68/8.26 [2019-03-28 22:33:01,459 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 18.68/8.26 [2019-03-28 22:33:01,459 INFO L387 AbstractCegarLoop]: Difference is false 18.68/8.26 [2019-03-28 22:33:01,460 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 18.68/8.26 [2019-03-28 22:33:01,460 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 18.68/8.26 [2019-03-28 22:33:01,474 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 18.68/8.26 [2019-03-28 22:33:01,480 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 18.68/8.26 [2019-03-28 22:33:01,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 18.68/8.26 [2019-03-28 22:33:01,533 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 18.68/8.26 [2019-03-28 22:33:01,534 INFO L451 ceAbstractionStarter]: At program point L12-2(lines 12 16) the Hoare annotation is: true 18.68/8.26 [2019-03-28 22:33:01,534 INFO L451 ceAbstractionStarter]: At program point L10-2(lines 10 18) the Hoare annotation is: true 18.68/8.26 [2019-03-28 22:33:01,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:33:01 BasicIcfg 18.68/8.26 [2019-03-28 22:33:01,543 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 18.68/8.26 [2019-03-28 22:33:01,543 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 18.68/8.26 [2019-03-28 22:33:01,543 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 18.68/8.26 [2019-03-28 22:33:01,547 INFO L276 PluginConnector]: BuchiAutomizer initialized 18.68/8.26 [2019-03-28 22:33:01,548 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.68/8.26 [2019-03-28 22:33:01,548 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:33:00" (1/5) ... 18.68/8.26 [2019-03-28 22:33:01,548 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1fe98c8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:33:01, skipping insertion in model container 18.68/8.26 [2019-03-28 22:33:01,549 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.68/8.26 [2019-03-28 22:33:01,549 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:33:01" (2/5) ... 18.68/8.26 [2019-03-28 22:33:01,549 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1fe98c8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:33:01, skipping insertion in model container 18.68/8.26 [2019-03-28 22:33:01,549 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.68/8.26 [2019-03-28 22:33:01,549 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:33:01" (3/5) ... 18.68/8.26 [2019-03-28 22:33:01,550 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1fe98c8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:33:01, skipping insertion in model container 18.68/8.26 [2019-03-28 22:33:01,550 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.68/8.26 [2019-03-28 22:33:01,550 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:33:01" (4/5) ... 18.68/8.26 [2019-03-28 22:33:01,550 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1fe98c8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:33:01, skipping insertion in model container 18.68/8.26 [2019-03-28 22:33:01,551 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.68/8.26 [2019-03-28 22:33:01,551 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:33:01" (5/5) ... 18.68/8.26 [2019-03-28 22:33:01,552 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 18.68/8.26 [2019-03-28 22:33:01,581 INFO L133 ementStrategyFactory]: Using default assertion order modulation 18.68/8.26 [2019-03-28 22:33:01,581 INFO L374 BuchiCegarLoop]: Interprodecural is true 18.68/8.26 [2019-03-28 22:33:01,581 INFO L375 BuchiCegarLoop]: Hoare is true 18.68/8.26 [2019-03-28 22:33:01,581 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 18.68/8.26 [2019-03-28 22:33:01,581 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 18.68/8.26 [2019-03-28 22:33:01,582 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 18.68/8.26 [2019-03-28 22:33:01,582 INFO L379 BuchiCegarLoop]: Difference is false 18.68/8.26 [2019-03-28 22:33:01,582 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 18.68/8.26 [2019-03-28 22:33:01,582 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 18.68/8.26 [2019-03-28 22:33:01,585 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 18.68/8.26 [2019-03-28 22:33:01,602 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 18.68/8.26 [2019-03-28 22:33:01,603 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.68/8.26 [2019-03-28 22:33:01,603 INFO L119 BuchiIsEmpty]: Starting construction of run 18.68/8.26 [2019-03-28 22:33:01,608 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 18.68/8.26 [2019-03-28 22:33:01,609 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 18.68/8.26 [2019-03-28 22:33:01,609 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 18.68/8.26 [2019-03-28 22:33:01,609 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 18.68/8.26 [2019-03-28 22:33:01,609 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 18.68/8.26 [2019-03-28 22:33:01,610 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.68/8.26 [2019-03-28 22:33:01,610 INFO L119 BuchiIsEmpty]: Starting construction of run 18.68/8.26 [2019-03-28 22:33:01,610 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 18.68/8.26 [2019-03-28 22:33:01,610 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 18.68/8.26 [2019-03-28 22:33:01,615 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [34] ULTIMATE.startENTRY-->L10-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~i~0_1 0)) InVars {} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~i~0] 5#L10-2true 18.68/8.26 [2019-03-28 22:33:01,616 INFO L796 eck$LassoCheckResult]: Loop: 5#L10-2true [38] L10-2-->L12-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_9 10) (= v_ULTIMATE.start_main_~j~0_8 3)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 3#L12-2true [45] L12-2-->L10-2: Formula: (and (<= 12 v_ULTIMATE.start_main_~j~0_9) (= (+ v_ULTIMATE.start_main_~i~0_12 1) v_ULTIMATE.start_main_~i~0_11)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 5#L10-2true 18.68/8.26 [2019-03-28 22:33:01,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.68/8.26 [2019-03-28 22:33:01,622 INFO L82 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 1 times 18.68/8.26 [2019-03-28 22:33:01,624 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.68/8.26 [2019-03-28 22:33:01,625 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.68/8.26 [2019-03-28 22:33:01,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:01,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:01,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.68/8.26 [2019-03-28 22:33:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.68/8.26 [2019-03-28 22:33:01,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.68/8.26 [2019-03-28 22:33:01,696 INFO L82 PathProgramCache]: Analyzing trace with hash 2184, now seen corresponding path program 1 times 18.68/8.26 [2019-03-28 22:33:01,696 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.68/8.26 [2019-03-28 22:33:01,696 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.68/8.26 [2019-03-28 22:33:01,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:01,698 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:01,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:01,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.68/8.26 [2019-03-28 22:33:01,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.68/8.26 [2019-03-28 22:33:01,747 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 18.68/8.26 [2019-03-28 22:33:01,747 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 18.68/8.26 [2019-03-28 22:33:01,752 INFO L811 eck$LassoCheckResult]: loop already infeasible 18.68/8.26 [2019-03-28 22:33:01,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 18.68/8.26 [2019-03-28 22:33:01,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 18.68/8.26 [2019-03-28 22:33:01,770 INFO L87 Difference]: Start difference. First operand 3 states. Second operand 3 states. 18.68/8.26 [2019-03-28 22:33:01,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 18.68/8.26 [2019-03-28 22:33:01,788 INFO L93 Difference]: Finished difference Result 4 states and 5 transitions. 18.68/8.26 [2019-03-28 22:33:01,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 18.68/8.26 [2019-03-28 22:33:01,793 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4 states and 5 transitions. 18.68/8.26 [2019-03-28 22:33:01,794 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 18.68/8.26 [2019-03-28 22:33:01,797 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4 states to 4 states and 5 transitions. 18.68/8.26 [2019-03-28 22:33:01,799 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 18.68/8.26 [2019-03-28 22:33:01,799 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 18.68/8.26 [2019-03-28 22:33:01,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 5 transitions. 18.68/8.26 [2019-03-28 22:33:01,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 18.68/8.26 [2019-03-28 22:33:01,800 INFO L706 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. 18.68/8.26 [2019-03-28 22:33:01,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states and 5 transitions. 18.68/8.26 [2019-03-28 22:33:01,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. 18.68/8.26 [2019-03-28 22:33:01,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 18.68/8.26 [2019-03-28 22:33:01,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions. 18.68/8.26 [2019-03-28 22:33:01,830 INFO L729 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. 18.68/8.26 [2019-03-28 22:33:01,830 INFO L609 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. 18.68/8.26 [2019-03-28 22:33:01,830 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 18.68/8.26 [2019-03-28 22:33:01,831 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 5 transitions. 18.68/8.26 [2019-03-28 22:33:01,831 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 18.68/8.26 [2019-03-28 22:33:01,831 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.68/8.26 [2019-03-28 22:33:01,831 INFO L119 BuchiIsEmpty]: Starting construction of run 18.68/8.26 [2019-03-28 22:33:01,832 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 18.68/8.26 [2019-03-28 22:33:01,832 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 18.68/8.26 [2019-03-28 22:33:01,832 INFO L794 eck$LassoCheckResult]: Stem: 18#ULTIMATE.startENTRY [34] ULTIMATE.startENTRY-->L10-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~i~0_1 0)) InVars {} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~i~0] 19#L10-2 18.68/8.26 [2019-03-28 22:33:01,833 INFO L796 eck$LassoCheckResult]: Loop: 19#L10-2 [38] L10-2-->L12-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_9 10) (= v_ULTIMATE.start_main_~j~0_8 3)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 16#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 17#L12-2 [45] L12-2-->L10-2: Formula: (and (<= 12 v_ULTIMATE.start_main_~j~0_9) (= (+ v_ULTIMATE.start_main_~i~0_12 1) v_ULTIMATE.start_main_~i~0_11)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 19#L10-2 18.68/8.26 [2019-03-28 22:33:01,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.68/8.26 [2019-03-28 22:33:01,833 INFO L82 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 2 times 18.68/8.26 [2019-03-28 22:33:01,833 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.68/8.26 [2019-03-28 22:33:01,833 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.68/8.26 [2019-03-28 22:33:01,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:01,835 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:01,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.68/8.26 [2019-03-28 22:33:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.68/8.26 [2019-03-28 22:33:01,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.68/8.26 [2019-03-28 22:33:01,840 INFO L82 PathProgramCache]: Analyzing trace with hash 67377, now seen corresponding path program 1 times 18.68/8.26 [2019-03-28 22:33:01,840 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.68/8.26 [2019-03-28 22:33:01,840 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.68/8.26 [2019-03-28 22:33:01,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:01,842 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:01,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.68/8.26 [2019-03-28 22:33:01,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.68/8.26 [2019-03-28 22:33:01,864 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. 18.68/8.26 [2019-03-28 22:33:01,864 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP 18.68/8.26 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.68/8.26 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) 18.68/8.26 Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 18.68/8.26 [2019-03-28 22:33:01,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:01,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.68/8.26 [2019-03-28 22:33:01,890 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 3 conjunts are in the unsatisfiable core 18.68/8.26 [2019-03-28 22:33:01,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.68/8.26 [2019-03-28 22:33:01,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.68/8.26 [2019-03-28 22:33:01,933 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. 18.68/8.26 [2019-03-28 22:33:01,934 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2] total 2 18.68/8.26 [2019-03-28 22:33:01,934 INFO L811 eck$LassoCheckResult]: loop already infeasible 18.68/8.26 [2019-03-28 22:33:01,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. 18.68/8.26 [2019-03-28 22:33:01,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 18.68/8.26 [2019-03-28 22:33:01,935 INFO L87 Difference]: Start difference. First operand 4 states and 5 transitions. cyclomatic complexity: 2 Second operand 4 states. 18.68/8.26 [2019-03-28 22:33:01,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 18.68/8.26 [2019-03-28 22:33:01,951 INFO L93 Difference]: Finished difference Result 5 states and 6 transitions. 18.68/8.26 [2019-03-28 22:33:01,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 18.68/8.26 [2019-03-28 22:33:01,953 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5 states and 6 transitions. 18.68/8.26 [2019-03-28 22:33:01,953 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 18.68/8.26 [2019-03-28 22:33:01,954 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5 states to 5 states and 6 transitions. 18.68/8.26 [2019-03-28 22:33:01,954 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 18.68/8.26 [2019-03-28 22:33:01,954 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 18.68/8.26 [2019-03-28 22:33:01,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 6 transitions. 18.68/8.26 [2019-03-28 22:33:01,954 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 18.68/8.26 [2019-03-28 22:33:01,954 INFO L706 BuchiCegarLoop]: Abstraction has 5 states and 6 transitions. 18.68/8.26 [2019-03-28 22:33:01,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 6 transitions. 18.68/8.26 [2019-03-28 22:33:01,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. 18.68/8.26 [2019-03-28 22:33:01,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 18.68/8.26 [2019-03-28 22:33:01,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6 transitions. 18.68/8.26 [2019-03-28 22:33:01,956 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 6 transitions. 18.68/8.26 [2019-03-28 22:33:01,956 INFO L609 BuchiCegarLoop]: Abstraction has 5 states and 6 transitions. 18.68/8.26 [2019-03-28 22:33:01,956 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 18.68/8.26 [2019-03-28 22:33:01,956 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 6 transitions. 18.68/8.26 [2019-03-28 22:33:01,957 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 18.68/8.26 [2019-03-28 22:33:01,957 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.68/8.26 [2019-03-28 22:33:01,957 INFO L119 BuchiIsEmpty]: Starting construction of run 18.68/8.26 [2019-03-28 22:33:01,957 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 18.68/8.26 [2019-03-28 22:33:01,957 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1] 18.68/8.26 [2019-03-28 22:33:01,958 INFO L794 eck$LassoCheckResult]: Stem: 40#ULTIMATE.startENTRY [34] ULTIMATE.startENTRY-->L10-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~i~0_1 0)) InVars {} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~i~0] 41#L10-2 18.68/8.26 [2019-03-28 22:33:01,958 INFO L796 eck$LassoCheckResult]: Loop: 41#L10-2 [38] L10-2-->L12-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_9 10) (= v_ULTIMATE.start_main_~j~0_8 3)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 38#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 39#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 42#L12-2 [45] L12-2-->L10-2: Formula: (and (<= 12 v_ULTIMATE.start_main_~j~0_9) (= (+ v_ULTIMATE.start_main_~i~0_12 1) v_ULTIMATE.start_main_~i~0_11)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 41#L10-2 18.68/8.26 [2019-03-28 22:33:01,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.68/8.26 [2019-03-28 22:33:01,958 INFO L82 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 3 times 18.68/8.26 [2019-03-28 22:33:01,959 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.68/8.26 [2019-03-28 22:33:01,959 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.68/8.26 [2019-03-28 22:33:01,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:01,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:01,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.68/8.26 [2019-03-28 22:33:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.68/8.26 [2019-03-28 22:33:01,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.68/8.26 [2019-03-28 22:33:01,965 INFO L82 PathProgramCache]: Analyzing trace with hash 2088360, now seen corresponding path program 2 times 18.68/8.26 [2019-03-28 22:33:01,965 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.68/8.26 [2019-03-28 22:33:01,965 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.68/8.26 [2019-03-28 22:33:01,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:01,966 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:01,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.68/8.26 [2019-03-28 22:33:01,996 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.68/8.26 [2019-03-28 22:33:01,997 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. 18.68/8.26 [2019-03-28 22:33:01,997 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP 18.68/8.26 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.68/8.26 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) 18.68/8.26 Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 18.68/8.26 [2019-03-28 22:33:02,011 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 18.68/8.26 [2019-03-28 22:33:02,020 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) 18.68/8.26 [2019-03-28 22:33:02,020 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat 18.68/8.26 [2019-03-28 22:33:02,021 INFO L256 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core 18.68/8.26 [2019-03-28 22:33:02,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.68/8.26 [2019-03-28 22:33:02,025 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.68/8.26 [2019-03-28 22:33:02,051 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. 18.68/8.26 [2019-03-28 22:33:02,051 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 18.68/8.26 [2019-03-28 22:33:02,052 INFO L811 eck$LassoCheckResult]: loop already infeasible 18.68/8.26 [2019-03-28 22:33:02,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. 18.68/8.26 [2019-03-28 22:33:02,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 18.68/8.26 [2019-03-28 22:33:02,052 INFO L87 Difference]: Start difference. First operand 5 states and 6 transitions. cyclomatic complexity: 2 Second operand 5 states. 18.68/8.26 [2019-03-28 22:33:02,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 18.68/8.26 [2019-03-28 22:33:02,069 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. 18.68/8.26 [2019-03-28 22:33:02,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 18.68/8.26 [2019-03-28 22:33:02,070 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 7 transitions. 18.68/8.26 [2019-03-28 22:33:02,071 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 18.68/8.26 [2019-03-28 22:33:02,071 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 7 transitions. 18.68/8.26 [2019-03-28 22:33:02,072 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 18.68/8.26 [2019-03-28 22:33:02,072 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 18.68/8.26 [2019-03-28 22:33:02,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7 transitions. 18.68/8.26 [2019-03-28 22:33:02,072 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 18.68/8.26 [2019-03-28 22:33:02,072 INFO L706 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. 18.68/8.26 [2019-03-28 22:33:02,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 7 transitions. 18.68/8.26 [2019-03-28 22:33:02,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. 18.68/8.26 [2019-03-28 22:33:02,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. 18.68/8.26 [2019-03-28 22:33:02,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. 18.68/8.26 [2019-03-28 22:33:02,074 INFO L729 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. 18.68/8.26 [2019-03-28 22:33:02,074 INFO L609 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. 18.68/8.26 [2019-03-28 22:33:02,074 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 18.68/8.26 [2019-03-28 22:33:02,074 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. 18.68/8.26 [2019-03-28 22:33:02,074 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 18.68/8.26 [2019-03-28 22:33:02,075 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.68/8.26 [2019-03-28 22:33:02,075 INFO L119 BuchiIsEmpty]: Starting construction of run 18.68/8.26 [2019-03-28 22:33:02,075 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 18.68/8.26 [2019-03-28 22:33:02,075 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [3, 1, 1] 18.68/8.26 [2019-03-28 22:33:02,075 INFO L794 eck$LassoCheckResult]: Stem: 68#ULTIMATE.startENTRY [34] ULTIMATE.startENTRY-->L10-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~i~0_1 0)) InVars {} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~i~0] 69#L10-2 18.68/8.26 [2019-03-28 22:33:02,076 INFO L796 eck$LassoCheckResult]: Loop: 69#L10-2 [38] L10-2-->L12-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_9 10) (= v_ULTIMATE.start_main_~j~0_8 3)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 66#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 67#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 71#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 70#L12-2 [45] L12-2-->L10-2: Formula: (and (<= 12 v_ULTIMATE.start_main_~j~0_9) (= (+ v_ULTIMATE.start_main_~i~0_12 1) v_ULTIMATE.start_main_~i~0_11)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 69#L10-2 18.68/8.26 [2019-03-28 22:33:02,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.68/8.26 [2019-03-28 22:33:02,077 INFO L82 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 4 times 18.68/8.26 [2019-03-28 22:33:02,077 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.68/8.26 [2019-03-28 22:33:02,077 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.68/8.26 [2019-03-28 22:33:02,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:02,079 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:02,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.68/8.26 [2019-03-28 22:33:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.68/8.26 [2019-03-28 22:33:02,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.68/8.26 [2019-03-28 22:33:02,083 INFO L82 PathProgramCache]: Analyzing trace with hash 64738833, now seen corresponding path program 3 times 18.68/8.26 [2019-03-28 22:33:02,083 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.68/8.26 [2019-03-28 22:33:02,083 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.68/8.26 [2019-03-28 22:33:02,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:02,085 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:02,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.68/8.26 [2019-03-28 22:33:02,125 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.68/8.26 [2019-03-28 22:33:02,125 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. 18.68/8.26 [2019-03-28 22:33:02,125 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP 18.68/8.26 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.68/8.26 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) 18.68/8.26 Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 18.68/8.26 [2019-03-28 22:33:02,142 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 18.68/8.26 [2019-03-28 22:33:02,161 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) 18.68/8.26 [2019-03-28 22:33:02,161 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat 18.68/8.26 [2019-03-28 22:33:02,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjunts are in the unsatisfiable core 18.68/8.26 [2019-03-28 22:33:02,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.68/8.26 [2019-03-28 22:33:02,167 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.68/8.26 [2019-03-28 22:33:02,193 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. 18.68/8.26 [2019-03-28 22:33:02,193 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 18.68/8.26 [2019-03-28 22:33:02,194 INFO L811 eck$LassoCheckResult]: loop already infeasible 18.68/8.26 [2019-03-28 22:33:02,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. 18.68/8.26 [2019-03-28 22:33:02,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 18.68/8.26 [2019-03-28 22:33:02,194 INFO L87 Difference]: Start difference. First operand 6 states and 7 transitions. cyclomatic complexity: 2 Second operand 6 states. 18.68/8.26 [2019-03-28 22:33:02,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 18.68/8.26 [2019-03-28 22:33:02,208 INFO L93 Difference]: Finished difference Result 7 states and 8 transitions. 18.68/8.26 [2019-03-28 22:33:02,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 18.68/8.26 [2019-03-28 22:33:02,208 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 8 transitions. 18.68/8.26 [2019-03-28 22:33:02,209 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 18.68/8.26 [2019-03-28 22:33:02,209 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 7 states and 8 transitions. 18.68/8.26 [2019-03-28 22:33:02,210 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 18.68/8.26 [2019-03-28 22:33:02,210 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 18.68/8.26 [2019-03-28 22:33:02,210 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 8 transitions. 18.68/8.26 [2019-03-28 22:33:02,210 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 18.68/8.26 [2019-03-28 22:33:02,210 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 8 transitions. 18.68/8.26 [2019-03-28 22:33:02,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 8 transitions. 18.68/8.26 [2019-03-28 22:33:02,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. 18.68/8.26 [2019-03-28 22:33:02,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 18.68/8.26 [2019-03-28 22:33:02,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. 18.68/8.26 [2019-03-28 22:33:02,212 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 8 transitions. 18.68/8.26 [2019-03-28 22:33:02,212 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 8 transitions. 18.68/8.26 [2019-03-28 22:33:02,212 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ 18.68/8.26 [2019-03-28 22:33:02,212 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. 18.68/8.26 [2019-03-28 22:33:02,213 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 18.68/8.26 [2019-03-28 22:33:02,213 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.68/8.26 [2019-03-28 22:33:02,213 INFO L119 BuchiIsEmpty]: Starting construction of run 18.68/8.26 [2019-03-28 22:33:02,213 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 18.68/8.26 [2019-03-28 22:33:02,213 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [4, 1, 1] 18.68/8.26 [2019-03-28 22:33:02,214 INFO L794 eck$LassoCheckResult]: Stem: 102#ULTIMATE.startENTRY [34] ULTIMATE.startENTRY-->L10-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~i~0_1 0)) InVars {} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~i~0] 103#L10-2 18.68/8.26 [2019-03-28 22:33:02,214 INFO L796 eck$LassoCheckResult]: Loop: 103#L10-2 [38] L10-2-->L12-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_9 10) (= v_ULTIMATE.start_main_~j~0_8 3)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 100#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 101#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 106#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 105#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 104#L12-2 [45] L12-2-->L10-2: Formula: (and (<= 12 v_ULTIMATE.start_main_~j~0_9) (= (+ v_ULTIMATE.start_main_~i~0_12 1) v_ULTIMATE.start_main_~i~0_11)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 103#L10-2 18.68/8.26 [2019-03-28 22:33:02,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.68/8.26 [2019-03-28 22:33:02,215 INFO L82 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 5 times 18.68/8.26 [2019-03-28 22:33:02,215 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.68/8.26 [2019-03-28 22:33:02,215 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.68/8.26 [2019-03-28 22:33:02,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:02,216 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:02,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:02,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.68/8.26 [2019-03-28 22:33:02,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.68/8.26 [2019-03-28 22:33:02,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.68/8.26 [2019-03-28 22:33:02,220 INFO L82 PathProgramCache]: Analyzing trace with hash 2006903496, now seen corresponding path program 4 times 18.68/8.26 [2019-03-28 22:33:02,221 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.68/8.26 [2019-03-28 22:33:02,221 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.68/8.26 [2019-03-28 22:33:02,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:02,222 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:02,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.68/8.26 [2019-03-28 22:33:02,272 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.68/8.26 [2019-03-28 22:33:02,273 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. 18.68/8.26 [2019-03-28 22:33:02,273 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP 18.68/8.26 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.68/8.26 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) 18.68/8.26 Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 18.68/8.26 [2019-03-28 22:33:02,291 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST 18.68/8.26 [2019-03-28 22:33:02,303 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) 18.68/8.26 [2019-03-28 22:33:02,304 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat 18.68/8.26 [2019-03-28 22:33:02,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 6 conjunts are in the unsatisfiable core 18.68/8.26 [2019-03-28 22:33:02,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.68/8.26 [2019-03-28 22:33:02,310 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.68/8.26 [2019-03-28 22:33:02,337 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. 18.68/8.26 [2019-03-28 22:33:02,337 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 18.68/8.26 [2019-03-28 22:33:02,337 INFO L811 eck$LassoCheckResult]: loop already infeasible 18.68/8.26 [2019-03-28 22:33:02,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. 18.68/8.26 [2019-03-28 22:33:02,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 18.68/8.26 [2019-03-28 22:33:02,338 INFO L87 Difference]: Start difference. First operand 7 states and 8 transitions. cyclomatic complexity: 2 Second operand 7 states. 18.68/8.26 [2019-03-28 22:33:02,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 18.68/8.26 [2019-03-28 22:33:02,359 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. 18.68/8.26 [2019-03-28 22:33:02,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 18.68/8.26 [2019-03-28 22:33:02,360 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 9 transitions. 18.68/8.26 [2019-03-28 22:33:02,360 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 18.68/8.26 [2019-03-28 22:33:02,361 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 8 states and 9 transitions. 18.68/8.26 [2019-03-28 22:33:02,361 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 18.68/8.26 [2019-03-28 22:33:02,361 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 18.68/8.26 [2019-03-28 22:33:02,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 9 transitions. 18.68/8.26 [2019-03-28 22:33:02,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 18.68/8.26 [2019-03-28 22:33:02,361 INFO L706 BuchiCegarLoop]: Abstraction has 8 states and 9 transitions. 18.68/8.26 [2019-03-28 22:33:02,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 9 transitions. 18.68/8.26 [2019-03-28 22:33:02,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. 18.68/8.26 [2019-03-28 22:33:02,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. 18.68/8.26 [2019-03-28 22:33:02,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. 18.68/8.26 [2019-03-28 22:33:02,363 INFO L729 BuchiCegarLoop]: Abstraction has 8 states and 9 transitions. 18.68/8.26 [2019-03-28 22:33:02,363 INFO L609 BuchiCegarLoop]: Abstraction has 8 states and 9 transitions. 18.68/8.26 [2019-03-28 22:33:02,363 INFO L442 BuchiCegarLoop]: ======== Iteration 6============ 18.68/8.26 [2019-03-28 22:33:02,363 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 9 transitions. 18.68/8.26 [2019-03-28 22:33:02,364 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 18.68/8.26 [2019-03-28 22:33:02,364 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.68/8.26 [2019-03-28 22:33:02,364 INFO L119 BuchiIsEmpty]: Starting construction of run 18.68/8.26 [2019-03-28 22:33:02,365 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 18.68/8.26 [2019-03-28 22:33:02,365 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [5, 1, 1] 18.68/8.26 [2019-03-28 22:33:02,365 INFO L794 eck$LassoCheckResult]: Stem: 142#ULTIMATE.startENTRY [34] ULTIMATE.startENTRY-->L10-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~i~0_1 0)) InVars {} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~i~0] 143#L10-2 18.68/8.26 [2019-03-28 22:33:02,366 INFO L796 eck$LassoCheckResult]: Loop: 143#L10-2 [38] L10-2-->L12-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_9 10) (= v_ULTIMATE.start_main_~j~0_8 3)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 140#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 141#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 147#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 146#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 145#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 144#L12-2 [45] L12-2-->L10-2: Formula: (and (<= 12 v_ULTIMATE.start_main_~j~0_9) (= (+ v_ULTIMATE.start_main_~i~0_12 1) v_ULTIMATE.start_main_~i~0_11)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 143#L10-2 18.68/8.26 [2019-03-28 22:33:02,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.68/8.26 [2019-03-28 22:33:02,366 INFO L82 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 6 times 18.68/8.26 [2019-03-28 22:33:02,366 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.68/8.26 [2019-03-28 22:33:02,366 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.68/8.26 [2019-03-28 22:33:02,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:02,368 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:02,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.68/8.26 [2019-03-28 22:33:02,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.68/8.26 [2019-03-28 22:33:02,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.68/8.26 [2019-03-28 22:33:02,373 INFO L82 PathProgramCache]: Analyzing trace with hash 2084465905, now seen corresponding path program 5 times 18.68/8.26 [2019-03-28 22:33:02,373 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.68/8.26 [2019-03-28 22:33:02,373 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.68/8.26 [2019-03-28 22:33:02,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:02,375 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:02,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.68/8.26 [2019-03-28 22:33:02,441 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.68/8.26 [2019-03-28 22:33:02,441 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. 18.68/8.26 [2019-03-28 22:33:02,464 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP 18.68/8.26 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.68/8.26 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) 18.68/8.26 Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 18.68/8.26 [2019-03-28 22:33:02,478 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 18.68/8.26 [2019-03-28 22:33:02,489 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) 18.68/8.26 [2019-03-28 22:33:02,489 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat 18.68/8.26 [2019-03-28 22:33:02,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 7 conjunts are in the unsatisfiable core 18.68/8.26 [2019-03-28 22:33:02,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.68/8.26 [2019-03-28 22:33:02,496 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.68/8.26 [2019-03-28 22:33:02,522 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. 18.68/8.26 [2019-03-28 22:33:02,523 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 18.68/8.26 [2019-03-28 22:33:02,523 INFO L811 eck$LassoCheckResult]: loop already infeasible 18.68/8.26 [2019-03-28 22:33:02,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. 18.68/8.26 [2019-03-28 22:33:02,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 18.68/8.26 [2019-03-28 22:33:02,524 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. cyclomatic complexity: 2 Second operand 8 states. 18.68/8.26 [2019-03-28 22:33:02,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 18.68/8.26 [2019-03-28 22:33:02,548 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. 18.68/8.26 [2019-03-28 22:33:02,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 18.68/8.26 [2019-03-28 22:33:02,549 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. 18.68/8.26 [2019-03-28 22:33:02,549 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 18.68/8.26 [2019-03-28 22:33:02,550 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 9 states and 10 transitions. 18.68/8.26 [2019-03-28 22:33:02,550 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 18.68/8.26 [2019-03-28 22:33:02,550 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 18.68/8.26 [2019-03-28 22:33:02,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10 transitions. 18.68/8.26 [2019-03-28 22:33:02,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 18.68/8.26 [2019-03-28 22:33:02,550 INFO L706 BuchiCegarLoop]: Abstraction has 9 states and 10 transitions. 18.68/8.26 [2019-03-28 22:33:02,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 10 transitions. 18.68/8.26 [2019-03-28 22:33:02,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. 18.68/8.26 [2019-03-28 22:33:02,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. 18.68/8.26 [2019-03-28 22:33:02,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. 18.68/8.26 [2019-03-28 22:33:02,552 INFO L729 BuchiCegarLoop]: Abstraction has 9 states and 10 transitions. 18.68/8.26 [2019-03-28 22:33:02,552 INFO L609 BuchiCegarLoop]: Abstraction has 9 states and 10 transitions. 18.68/8.26 [2019-03-28 22:33:02,552 INFO L442 BuchiCegarLoop]: ======== Iteration 7============ 18.68/8.26 [2019-03-28 22:33:02,552 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 10 transitions. 18.68/8.26 [2019-03-28 22:33:02,553 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 18.68/8.26 [2019-03-28 22:33:02,553 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.68/8.26 [2019-03-28 22:33:02,553 INFO L119 BuchiIsEmpty]: Starting construction of run 18.68/8.26 [2019-03-28 22:33:02,553 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 18.68/8.26 [2019-03-28 22:33:02,554 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [6, 1, 1] 18.68/8.26 [2019-03-28 22:33:02,554 INFO L794 eck$LassoCheckResult]: Stem: 188#ULTIMATE.startENTRY [34] ULTIMATE.startENTRY-->L10-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~i~0_1 0)) InVars {} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~i~0] 189#L10-2 18.68/8.26 [2019-03-28 22:33:02,554 INFO L796 eck$LassoCheckResult]: Loop: 189#L10-2 [38] L10-2-->L12-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_9 10) (= v_ULTIMATE.start_main_~j~0_8 3)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 186#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 187#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 194#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 193#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 192#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 191#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 190#L12-2 [45] L12-2-->L10-2: Formula: (and (<= 12 v_ULTIMATE.start_main_~j~0_9) (= (+ v_ULTIMATE.start_main_~i~0_12 1) v_ULTIMATE.start_main_~i~0_11)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 189#L10-2 18.68/8.26 [2019-03-28 22:33:02,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.68/8.26 [2019-03-28 22:33:02,555 INFO L82 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 7 times 18.68/8.26 [2019-03-28 22:33:02,555 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.68/8.26 [2019-03-28 22:33:02,555 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.68/8.26 [2019-03-28 22:33:02,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:02,557 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:02,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.68/8.26 [2019-03-28 22:33:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.68/8.26 [2019-03-28 22:33:02,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.68/8.26 [2019-03-28 22:33:02,560 INFO L82 PathProgramCache]: Analyzing trace with hash 193933288, now seen corresponding path program 6 times 18.68/8.26 [2019-03-28 22:33:02,560 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.68/8.26 [2019-03-28 22:33:02,560 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.68/8.26 [2019-03-28 22:33:02,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:02,561 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:02,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.68/8.26 [2019-03-28 22:33:02,629 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.68/8.26 [2019-03-28 22:33:02,629 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. 18.68/8.26 [2019-03-28 22:33:02,629 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP 18.68/8.26 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.68/8.26 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) 18.68/8.26 Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 18.68/8.26 [2019-03-28 22:33:02,643 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE 18.68/8.26 [2019-03-28 22:33:02,654 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) 18.68/8.26 [2019-03-28 22:33:02,654 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat 18.68/8.26 [2019-03-28 22:33:02,655 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 8 conjunts are in the unsatisfiable core 18.68/8.26 [2019-03-28 22:33:02,656 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.68/8.26 [2019-03-28 22:33:02,662 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.68/8.26 [2019-03-28 22:33:02,688 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. 18.68/8.26 [2019-03-28 22:33:02,688 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 18.68/8.26 [2019-03-28 22:33:02,689 INFO L811 eck$LassoCheckResult]: loop already infeasible 18.68/8.26 [2019-03-28 22:33:02,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. 18.68/8.26 [2019-03-28 22:33:02,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 18.68/8.26 [2019-03-28 22:33:02,690 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. cyclomatic complexity: 2 Second operand 9 states. 18.68/8.26 [2019-03-28 22:33:02,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 18.68/8.26 [2019-03-28 22:33:02,712 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. 18.68/8.26 [2019-03-28 22:33:02,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 18.68/8.26 [2019-03-28 22:33:02,713 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 11 transitions. 18.68/8.26 [2019-03-28 22:33:02,714 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 18.68/8.26 [2019-03-28 22:33:02,714 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 10 states and 11 transitions. 18.68/8.26 [2019-03-28 22:33:02,714 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 18.68/8.26 [2019-03-28 22:33:02,715 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 18.68/8.26 [2019-03-28 22:33:02,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 11 transitions. 18.68/8.26 [2019-03-28 22:33:02,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 18.68/8.26 [2019-03-28 22:33:02,715 INFO L706 BuchiCegarLoop]: Abstraction has 10 states and 11 transitions. 18.68/8.26 [2019-03-28 22:33:02,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 11 transitions. 18.68/8.26 [2019-03-28 22:33:02,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. 18.68/8.26 [2019-03-28 22:33:02,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. 18.68/8.26 [2019-03-28 22:33:02,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. 18.68/8.26 [2019-03-28 22:33:02,717 INFO L729 BuchiCegarLoop]: Abstraction has 10 states and 11 transitions. 18.68/8.26 [2019-03-28 22:33:02,717 INFO L609 BuchiCegarLoop]: Abstraction has 10 states and 11 transitions. 18.68/8.26 [2019-03-28 22:33:02,717 INFO L442 BuchiCegarLoop]: ======== Iteration 8============ 18.68/8.26 [2019-03-28 22:33:02,717 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 11 transitions. 18.68/8.26 [2019-03-28 22:33:02,718 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 18.68/8.26 [2019-03-28 22:33:02,718 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.68/8.26 [2019-03-28 22:33:02,718 INFO L119 BuchiIsEmpty]: Starting construction of run 18.68/8.26 [2019-03-28 22:33:02,718 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 18.68/8.26 [2019-03-28 22:33:02,718 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [7, 1, 1] 18.68/8.26 [2019-03-28 22:33:02,718 INFO L794 eck$LassoCheckResult]: Stem: 240#ULTIMATE.startENTRY [34] ULTIMATE.startENTRY-->L10-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~i~0_1 0)) InVars {} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~i~0] 241#L10-2 18.68/8.26 [2019-03-28 22:33:02,719 INFO L796 eck$LassoCheckResult]: Loop: 241#L10-2 [38] L10-2-->L12-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_9 10) (= v_ULTIMATE.start_main_~j~0_8 3)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 238#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 239#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 247#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 246#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 245#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 244#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 243#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 242#L12-2 [45] L12-2-->L10-2: Formula: (and (<= 12 v_ULTIMATE.start_main_~j~0_9) (= (+ v_ULTIMATE.start_main_~i~0_12 1) v_ULTIMATE.start_main_~i~0_11)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 241#L10-2 18.68/8.26 [2019-03-28 22:33:02,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.68/8.26 [2019-03-28 22:33:02,719 INFO L82 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 8 times 18.68/8.26 [2019-03-28 22:33:02,719 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.68/8.26 [2019-03-28 22:33:02,720 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.68/8.26 [2019-03-28 22:33:02,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:02,721 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:02,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:02,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.68/8.26 [2019-03-28 22:33:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.68/8.26 [2019-03-28 22:33:02,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.68/8.26 [2019-03-28 22:33:02,725 INFO L82 PathProgramCache]: Analyzing trace with hash 1716964305, now seen corresponding path program 7 times 18.68/8.26 [2019-03-28 22:33:02,725 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.68/8.26 [2019-03-28 22:33:02,725 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.68/8.26 [2019-03-28 22:33:02,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:02,726 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:02,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.68/8.26 [2019-03-28 22:33:02,804 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.68/8.26 [2019-03-28 22:33:02,804 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. 18.68/8.26 [2019-03-28 22:33:02,804 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP 18.68/8.26 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.68/8.26 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) 18.68/8.26 Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 18.68/8.26 [2019-03-28 22:33:02,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.68/8.26 [2019-03-28 22:33:02,834 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 9 conjunts are in the unsatisfiable core 18.68/8.26 [2019-03-28 22:33:02,834 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.68/8.26 [2019-03-28 22:33:02,841 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.68/8.26 [2019-03-28 22:33:02,868 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. 18.68/8.26 [2019-03-28 22:33:02,868 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 18.68/8.26 [2019-03-28 22:33:02,869 INFO L811 eck$LassoCheckResult]: loop already infeasible 18.68/8.26 [2019-03-28 22:33:02,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. 18.68/8.26 [2019-03-28 22:33:02,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 18.68/8.26 [2019-03-28 22:33:02,870 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. cyclomatic complexity: 2 Second operand 10 states. 18.68/8.26 [2019-03-28 22:33:02,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 18.68/8.26 [2019-03-28 22:33:02,893 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. 18.68/8.26 [2019-03-28 22:33:02,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 18.68/8.26 [2019-03-28 22:33:02,894 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 12 transitions. 18.68/8.26 [2019-03-28 22:33:02,895 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 18.68/8.26 [2019-03-28 22:33:02,895 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 12 transitions. 18.68/8.26 [2019-03-28 22:33:02,895 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 18.68/8.26 [2019-03-28 22:33:02,896 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 18.68/8.26 [2019-03-28 22:33:02,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 12 transitions. 18.68/8.26 [2019-03-28 22:33:02,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 18.68/8.26 [2019-03-28 22:33:02,896 INFO L706 BuchiCegarLoop]: Abstraction has 11 states and 12 transitions. 18.68/8.26 [2019-03-28 22:33:02,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 12 transitions. 18.68/8.26 [2019-03-28 22:33:02,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. 18.68/8.26 [2019-03-28 22:33:02,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. 18.68/8.26 [2019-03-28 22:33:02,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. 18.68/8.26 [2019-03-28 22:33:02,898 INFO L729 BuchiCegarLoop]: Abstraction has 11 states and 12 transitions. 18.68/8.26 [2019-03-28 22:33:02,898 INFO L609 BuchiCegarLoop]: Abstraction has 11 states and 12 transitions. 18.68/8.26 [2019-03-28 22:33:02,898 INFO L442 BuchiCegarLoop]: ======== Iteration 9============ 18.68/8.26 [2019-03-28 22:33:02,899 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 12 transitions. 18.68/8.26 [2019-03-28 22:33:02,899 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 18.68/8.26 [2019-03-28 22:33:02,899 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.68/8.26 [2019-03-28 22:33:02,899 INFO L119 BuchiIsEmpty]: Starting construction of run 18.68/8.26 [2019-03-28 22:33:02,900 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 18.68/8.26 [2019-03-28 22:33:02,900 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [8, 1, 1] 18.68/8.26 [2019-03-28 22:33:02,900 INFO L794 eck$LassoCheckResult]: Stem: 298#ULTIMATE.startENTRY [34] ULTIMATE.startENTRY-->L10-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~i~0_1 0)) InVars {} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~i~0] 299#L10-2 18.68/8.26 [2019-03-28 22:33:02,900 INFO L796 eck$LassoCheckResult]: Loop: 299#L10-2 [38] L10-2-->L12-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_9 10) (= v_ULTIMATE.start_main_~j~0_8 3)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 296#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 297#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 306#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 305#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 304#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 303#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 302#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 301#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 300#L12-2 [45] L12-2-->L10-2: Formula: (and (<= 12 v_ULTIMATE.start_main_~j~0_9) (= (+ v_ULTIMATE.start_main_~i~0_12 1) v_ULTIMATE.start_main_~i~0_11)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 299#L10-2 18.68/8.26 [2019-03-28 22:33:02,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.68/8.26 [2019-03-28 22:33:02,901 INFO L82 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 9 times 18.68/8.26 [2019-03-28 22:33:02,901 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.68/8.26 [2019-03-28 22:33:02,901 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.68/8.26 [2019-03-28 22:33:02,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:02,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:02,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:02,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.68/8.26 [2019-03-28 22:33:02,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.68/8.26 [2019-03-28 22:33:02,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.68/8.26 [2019-03-28 22:33:02,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1686285576, now seen corresponding path program 8 times 18.68/8.26 [2019-03-28 22:33:02,907 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.68/8.26 [2019-03-28 22:33:02,907 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.68/8.26 [2019-03-28 22:33:02,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:02,910 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:02,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:02,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.68/8.26 [2019-03-28 22:33:03,008 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.68/8.26 [2019-03-28 22:33:03,009 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. 18.68/8.26 [2019-03-28 22:33:03,009 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP 18.68/8.26 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.68/8.26 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) 18.68/8.26 Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 18.68/8.26 [2019-03-28 22:33:03,024 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 18.68/8.26 [2019-03-28 22:33:03,035 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) 18.68/8.26 [2019-03-28 22:33:03,036 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat 18.68/8.26 [2019-03-28 22:33:03,037 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 10 conjunts are in the unsatisfiable core 18.68/8.26 [2019-03-28 22:33:03,038 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.68/8.26 [2019-03-28 22:33:03,045 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.68/8.26 [2019-03-28 22:33:03,072 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. 18.68/8.26 [2019-03-28 22:33:03,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 18.68/8.26 [2019-03-28 22:33:03,073 INFO L811 eck$LassoCheckResult]: loop already infeasible 18.68/8.26 [2019-03-28 22:33:03,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. 18.68/8.26 [2019-03-28 22:33:03,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 18.68/8.26 [2019-03-28 22:33:03,074 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. cyclomatic complexity: 2 Second operand 11 states. 18.68/8.26 [2019-03-28 22:33:03,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 18.68/8.26 [2019-03-28 22:33:03,093 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. 18.68/8.26 [2019-03-28 22:33:03,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 18.68/8.26 [2019-03-28 22:33:03,094 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 13 transitions. 18.68/8.26 [2019-03-28 22:33:03,095 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 18.68/8.26 [2019-03-28 22:33:03,095 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 12 states and 13 transitions. 18.68/8.26 [2019-03-28 22:33:03,095 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 18.68/8.26 [2019-03-28 22:33:03,096 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 18.68/8.26 [2019-03-28 22:33:03,096 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 13 transitions. 18.68/8.26 [2019-03-28 22:33:03,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 18.68/8.26 [2019-03-28 22:33:03,096 INFO L706 BuchiCegarLoop]: Abstraction has 12 states and 13 transitions. 18.68/8.26 [2019-03-28 22:33:03,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 13 transitions. 18.68/8.26 [2019-03-28 22:33:03,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. 18.68/8.26 [2019-03-28 22:33:03,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. 18.68/8.26 [2019-03-28 22:33:03,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. 18.68/8.26 [2019-03-28 22:33:03,098 INFO L729 BuchiCegarLoop]: Abstraction has 12 states and 13 transitions. 18.68/8.26 [2019-03-28 22:33:03,098 INFO L609 BuchiCegarLoop]: Abstraction has 12 states and 13 transitions. 18.68/8.26 [2019-03-28 22:33:03,098 INFO L442 BuchiCegarLoop]: ======== Iteration 10============ 18.68/8.26 [2019-03-28 22:33:03,098 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 13 transitions. 18.68/8.26 [2019-03-28 22:33:03,099 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 18.68/8.26 [2019-03-28 22:33:03,099 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.68/8.26 [2019-03-28 22:33:03,099 INFO L119 BuchiIsEmpty]: Starting construction of run 18.68/8.26 [2019-03-28 22:33:03,099 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 18.68/8.26 [2019-03-28 22:33:03,099 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [9, 1, 1] 18.68/8.26 [2019-03-28 22:33:03,100 INFO L794 eck$LassoCheckResult]: Stem: 362#ULTIMATE.startENTRY [34] ULTIMATE.startENTRY-->L10-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~i~0_1 0)) InVars {} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~i~0] 363#L10-2 18.68/8.26 [2019-03-28 22:33:03,101 INFO L796 eck$LassoCheckResult]: Loop: 363#L10-2 [38] L10-2-->L12-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_9 10) (= v_ULTIMATE.start_main_~j~0_8 3)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 360#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 361#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 371#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 370#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 369#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 368#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 367#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 366#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 365#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 364#L12-2 [45] L12-2-->L10-2: Formula: (and (<= 12 v_ULTIMATE.start_main_~j~0_9) (= (+ v_ULTIMATE.start_main_~i~0_12 1) v_ULTIMATE.start_main_~i~0_11)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 363#L10-2 18.68/8.26 [2019-03-28 22:33:03,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.68/8.26 [2019-03-28 22:33:03,101 INFO L82 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 10 times 18.68/8.26 [2019-03-28 22:33:03,101 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.68/8.26 [2019-03-28 22:33:03,101 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.68/8.26 [2019-03-28 22:33:03,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:03,103 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:03,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.68/8.26 [2019-03-28 22:33:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.68/8.26 [2019-03-28 22:33:03,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.68/8.26 [2019-03-28 22:33:03,106 INFO L82 PathProgramCache]: Analyzing trace with hash 735244977, now seen corresponding path program 9 times 18.68/8.26 [2019-03-28 22:33:03,106 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.68/8.26 [2019-03-28 22:33:03,106 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.68/8.26 [2019-03-28 22:33:03,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:03,108 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:03,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.68/8.26 [2019-03-28 22:33:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.68/8.26 [2019-03-28 22:33:03,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.68/8.26 [2019-03-28 22:33:03,127 INFO L82 PathProgramCache]: Analyzing trace with hash 406604401, now seen corresponding path program 1 times 18.68/8.26 [2019-03-28 22:33:03,128 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.68/8.26 [2019-03-28 22:33:03,128 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.68/8.26 [2019-03-28 22:33:03,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:03,130 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:03,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.68/8.26 [2019-03-28 22:33:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.68/8.26 [2019-03-28 22:33:03,333 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 67 18.68/8.26 [2019-03-28 22:33:03,358 INFO L216 LassoAnalysis]: Preferences: 18.68/8.26 [2019-03-28 22:33:03,359 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.68/8.26 [2019-03-28 22:33:03,360 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.68/8.26 [2019-03-28 22:33:03,360 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.68/8.26 [2019-03-28 22:33:03,360 INFO L127 ssoRankerPreferences]: Use exernal solver: true 18.68/8.26 [2019-03-28 22:33:03,360 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.68/8.26 [2019-03-28 22:33:03,361 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.68/8.26 [2019-03-28 22:33:03,361 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.68/8.26 [2019-03-28 22:33:03,361 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration10_Loop 18.68/8.26 [2019-03-28 22:33:03,361 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.68/8.26 [2019-03-28 22:33:03,361 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.68/8.26 [2019-03-28 22:33:03,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.68/8.26 [2019-03-28 22:33:03,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.68/8.26 [2019-03-28 22:33:03,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.68/8.26 [2019-03-28 22:33:03,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.68/8.26 [2019-03-28 22:33:03,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.68/8.26 [2019-03-28 22:33:03,466 INFO L300 LassoAnalysis]: Preprocessing complete. 18.68/8.26 [2019-03-28 22:33:03,466 INFO L412 LassoAnalysis]: Checking for nontermination... 18.68/8.26 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.68/8.26 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.68/8.26 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.68/8.26 [2019-03-28 22:33:03,484 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.68/8.26 [2019-03-28 22:33:03,484 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.68/8.26 [2019-03-28 22:33:03,494 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.68/8.26 [2019-03-28 22:33:03,494 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~j~0=12} Honda state: {ULTIMATE.start_main_~j~0=12} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.68/8.26 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.68/8.26 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.68/8.26 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.68/8.26 [2019-03-28 22:33:03,523 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.68/8.26 [2019-03-28 22:33:03,523 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.68/8.26 [2019-03-28 22:33:03,551 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.68/8.26 [2019-03-28 22:33:03,551 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.68/8.26 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.68/8.26 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.68/8.26 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.68/8.26 [2019-03-28 22:33:03,560 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.68/8.26 [2019-03-28 22:33:03,560 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.68/8.26 [2019-03-28 22:33:03,587 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.68/8.26 [2019-03-28 22:33:03,587 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.68/8.26 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.68/8.26 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.68/8.26 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.68/8.26 [2019-03-28 22:33:03,593 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.68/8.26 [2019-03-28 22:33:03,593 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.68/8.26 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.68/8.26 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.68/8.26 Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.68/8.26 [2019-03-28 22:33:03,624 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 18.68/8.26 [2019-03-28 22:33:03,625 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.68/8.26 [2019-03-28 22:33:03,655 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 18.68/8.26 [2019-03-28 22:33:03,657 INFO L216 LassoAnalysis]: Preferences: 18.68/8.26 [2019-03-28 22:33:03,657 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.68/8.26 [2019-03-28 22:33:03,657 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.68/8.26 [2019-03-28 22:33:03,658 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.68/8.26 [2019-03-28 22:33:03,658 INFO L127 ssoRankerPreferences]: Use exernal solver: false 18.68/8.26 [2019-03-28 22:33:03,658 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 18.68/8.26 [2019-03-28 22:33:03,658 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.68/8.26 [2019-03-28 22:33:03,658 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.68/8.26 [2019-03-28 22:33:03,658 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration10_Loop 18.68/8.26 [2019-03-28 22:33:03,658 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.68/8.26 [2019-03-28 22:33:03,658 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.68/8.26 [2019-03-28 22:33:03,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.68/8.26 [2019-03-28 22:33:03,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.68/8.26 [2019-03-28 22:33:03,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.68/8.26 [2019-03-28 22:33:03,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.68/8.26 [2019-03-28 22:33:03,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.68/8.26 [2019-03-28 22:33:03,723 INFO L300 LassoAnalysis]: Preprocessing complete. 18.68/8.26 [2019-03-28 22:33:03,729 INFO L497 LassoAnalysis]: Using template 'affine'. 18.68/8.26 [2019-03-28 22:33:03,731 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.68/8.26 Termination analysis: LINEAR_WITH_GUESSES 18.68/8.26 Number of strict supporting invariants: 0 18.68/8.26 Number of non-strict supporting invariants: 1 18.68/8.26 Consider only non-deceasing supporting invariants: true 18.68/8.26 Simplify termination arguments: true 18.68/8.26 Simplify supporting invariants: trueOverapproximate stem: false 18.68/8.26 [2019-03-28 22:33:03,732 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.68/8.26 [2019-03-28 22:33:03,732 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 18.68/8.26 [2019-03-28 22:33:03,733 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.68/8.26 [2019-03-28 22:33:03,733 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.68/8.26 [2019-03-28 22:33:03,733 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.68/8.26 [2019-03-28 22:33:03,735 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 18.68/8.26 [2019-03-28 22:33:03,736 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 18.68/8.26 [2019-03-28 22:33:03,740 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 18.68/8.26 [2019-03-28 22:33:03,740 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.68/8.26 Termination analysis: LINEAR_WITH_GUESSES 18.68/8.26 Number of strict supporting invariants: 0 18.68/8.26 Number of non-strict supporting invariants: 1 18.68/8.26 Consider only non-deceasing supporting invariants: true 18.68/8.26 Simplify termination arguments: true 18.68/8.26 Simplify supporting invariants: trueOverapproximate stem: false 18.68/8.26 [2019-03-28 22:33:03,741 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.68/8.26 [2019-03-28 22:33:03,741 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 18.68/8.26 [2019-03-28 22:33:03,741 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.68/8.26 [2019-03-28 22:33:03,742 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.68/8.26 [2019-03-28 22:33:03,742 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.68/8.26 [2019-03-28 22:33:03,742 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 18.68/8.26 [2019-03-28 22:33:03,743 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 18.68/8.26 [2019-03-28 22:33:03,746 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 18.68/8.26 [2019-03-28 22:33:03,748 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 18.68/8.26 [2019-03-28 22:33:03,748 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. 18.68/8.26 [2019-03-28 22:33:03,750 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 18.68/8.26 [2019-03-28 22:33:03,750 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 18.68/8.26 [2019-03-28 22:33:03,751 INFO L518 LassoAnalysis]: Proved termination. 18.68/8.26 [2019-03-28 22:33:03,751 INFO L520 LassoAnalysis]: Termination argument consisting of: 18.68/8.26 Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 19 18.68/8.26 Supporting invariants [] 18.68/8.26 [2019-03-28 22:33:03,752 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 18.68/8.26 [2019-03-28 22:33:03,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.68/8.26 [2019-03-28 22:33:03,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.68/8.26 [2019-03-28 22:33:03,786 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 18.68/8.26 [2019-03-28 22:33:03,786 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.68/8.26 [2019-03-28 22:33:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.68/8.26 [2019-03-28 22:33:03,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjunts are in the unsatisfiable core 18.68/8.26 [2019-03-28 22:33:03,812 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.68/8.26 [2019-03-28 22:33:03,827 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. 18.68/8.26 [2019-03-28 22:33:03,873 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 18.68/8.26 [2019-03-28 22:33:03,876 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 18.68/8.26 [2019-03-28 22:33:03,877 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 12 states and 13 transitions. cyclomatic complexity: 2 Second operand 3 states. 18.68/8.26 [2019-03-28 22:33:03,913 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 12 states and 13 transitions. cyclomatic complexity: 2. Second operand 3 states. Result 23 states and 26 transitions. Complement of second has 5 states. 18.68/8.26 [2019-03-28 22:33:03,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 2 accepting loop states 18.68/8.26 [2019-03-28 22:33:03,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 18.68/8.26 [2019-03-28 22:33:03,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. 18.68/8.26 [2019-03-28 22:33:03,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 1 letters. Loop has 11 letters. 18.68/8.26 [2019-03-28 22:33:03,918 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.68/8.26 [2019-03-28 22:33:03,918 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 12 letters. Loop has 11 letters. 18.68/8.26 [2019-03-28 22:33:03,918 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.68/8.26 [2019-03-28 22:33:03,919 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 1 letters. Loop has 22 letters. 18.68/8.26 [2019-03-28 22:33:03,919 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.68/8.26 [2019-03-28 22:33:03,923 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 26 transitions. 18.68/8.26 [2019-03-28 22:33:03,924 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 18.68/8.26 [2019-03-28 22:33:03,925 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 26 transitions. 18.68/8.26 [2019-03-28 22:33:03,925 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 18.68/8.26 [2019-03-28 22:33:03,925 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 18.68/8.26 [2019-03-28 22:33:03,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 26 transitions. 18.68/8.26 [2019-03-28 22:33:03,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 18.68/8.26 [2019-03-28 22:33:03,926 INFO L706 BuchiCegarLoop]: Abstraction has 23 states and 26 transitions. 18.68/8.26 [2019-03-28 22:33:03,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 26 transitions. 18.68/8.26 [2019-03-28 22:33:03,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 14. 18.68/8.26 [2019-03-28 22:33:03,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. 18.68/8.26 [2019-03-28 22:33:03,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. 18.68/8.26 [2019-03-28 22:33:03,928 INFO L729 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. 18.68/8.26 [2019-03-28 22:33:03,928 INFO L609 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. 18.68/8.26 [2019-03-28 22:33:03,928 INFO L442 BuchiCegarLoop]: ======== Iteration 11============ 18.68/8.26 [2019-03-28 22:33:03,928 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. 18.68/8.26 [2019-03-28 22:33:03,928 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 18.68/8.26 [2019-03-28 22:33:03,928 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.68/8.26 [2019-03-28 22:33:03,929 INFO L119 BuchiIsEmpty]: Starting construction of run 18.68/8.26 [2019-03-28 22:33:03,929 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 18.68/8.26 [2019-03-28 22:33:03,929 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 18.68/8.26 [2019-03-28 22:33:03,929 INFO L794 eck$LassoCheckResult]: Stem: 460#ULTIMATE.startENTRY [34] ULTIMATE.startENTRY-->L10-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~i~0_1 0)) InVars {} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~i~0] 461#L10-2 [38] L10-2-->L12-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_9 10) (= v_ULTIMATE.start_main_~j~0_8 3)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 457#L12-2 18.68/8.26 [2019-03-28 22:33:03,929 INFO L796 eck$LassoCheckResult]: Loop: 457#L12-2 [33] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (< v_ULTIMATE.start_main_~j~0_7 12) (= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~j~0_5)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 457#L12-2 18.68/8.26 [2019-03-28 22:33:03,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.68/8.26 [2019-03-28 22:33:03,930 INFO L82 PathProgramCache]: Analyzing trace with hash 2053, now seen corresponding path program 1 times 18.68/8.26 [2019-03-28 22:33:03,930 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.68/8.26 [2019-03-28 22:33:03,930 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.68/8.26 [2019-03-28 22:33:03,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:03,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:03,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.68/8.26 [2019-03-28 22:33:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.68/8.26 [2019-03-28 22:33:03,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.68/8.26 [2019-03-28 22:33:03,935 INFO L82 PathProgramCache]: Analyzing trace with hash 64, now seen corresponding path program 1 times 18.68/8.26 [2019-03-28 22:33:03,935 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.68/8.26 [2019-03-28 22:33:03,936 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.68/8.26 [2019-03-28 22:33:03,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:03,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:03,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.68/8.26 [2019-03-28 22:33:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.68/8.26 [2019-03-28 22:33:03,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.68/8.26 [2019-03-28 22:33:03,940 INFO L82 PathProgramCache]: Analyzing trace with hash 63676, now seen corresponding path program 1 times 18.68/8.26 [2019-03-28 22:33:03,940 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.68/8.26 [2019-03-28 22:33:03,940 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.68/8.26 [2019-03-28 22:33:03,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:03,942 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:03,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.68/8.26 [2019-03-28 22:33:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.68/8.26 [2019-03-28 22:33:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.68/8.26 [2019-03-28 22:33:03,965 INFO L216 LassoAnalysis]: Preferences: 18.68/8.26 [2019-03-28 22:33:03,965 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.68/8.27 [2019-03-28 22:33:03,965 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.68/8.27 [2019-03-28 22:33:03,965 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.68/8.27 [2019-03-28 22:33:03,965 INFO L127 ssoRankerPreferences]: Use exernal solver: true 18.68/8.27 [2019-03-28 22:33:03,965 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.68/8.27 [2019-03-28 22:33:03,966 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.68/8.27 [2019-03-28 22:33:03,966 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.68/8.27 [2019-03-28 22:33:03,966 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration11_Loop 18.68/8.27 [2019-03-28 22:33:03,966 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.68/8.27 [2019-03-28 22:33:03,966 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.68/8.27 [2019-03-28 22:33:03,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.68/8.27 [2019-03-28 22:33:03,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.68/8.27 [2019-03-28 22:33:03,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.68/8.27 [2019-03-28 22:33:03,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.68/8.27 [2019-03-28 22:33:04,048 INFO L300 LassoAnalysis]: Preprocessing complete. 18.68/8.27 [2019-03-28 22:33:04,048 INFO L412 LassoAnalysis]: Checking for nontermination... 18.68/8.27 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.68/8.27 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.68/8.27 Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.68/8.27 [2019-03-28 22:33:04,054 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.68/8.27 [2019-03-28 22:33:04,054 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.68/8.27 [2019-03-28 22:33:04,082 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.68/8.27 [2019-03-28 22:33:04,082 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.68/8.27 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.68/8.27 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.68/8.27 Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.68/8.27 [2019-03-28 22:33:04,090 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.68/8.27 [2019-03-28 22:33:04,090 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.68/8.27 [2019-03-28 22:33:04,118 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.68/8.27 [2019-03-28 22:33:04,119 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.68/8.27 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.68/8.27 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.68/8.27 Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.68/8.27 [2019-03-28 22:33:04,126 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.68/8.27 [2019-03-28 22:33:04,126 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.68/8.27 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.68/8.27 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.68/8.27 Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.68/8.27 [2019-03-28 22:33:04,161 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 18.68/8.27 [2019-03-28 22:33:04,161 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.68/8.27 [2019-03-28 22:33:04,202 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.68/8.27 [2019-03-28 22:33:04,202 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0=0} Honda state: {ULTIMATE.start_main_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0=0}, {ULTIMATE.start_main_~c~0=-1}, {ULTIMATE.start_main_~c~0=2}] Lambdas: [4, 3, 1] Nus: [0, 1] 18.68/8.27 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.68/8.27 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.68/8.27 Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.68/8.27 [2019-03-28 22:33:04,231 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.68/8.27 [2019-03-28 22:33:04,232 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.68/8.27 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.68/8.27 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.68/8.27 Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.68/8.27 [2019-03-28 22:33:04,267 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 18.68/8.27 [2019-03-28 22:33:04,267 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.68/8.27 [2019-03-28 22:33:04,297 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 18.68/8.27 [2019-03-28 22:33:04,300 INFO L216 LassoAnalysis]: Preferences: 18.68/8.27 [2019-03-28 22:33:04,300 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.68/8.27 [2019-03-28 22:33:04,300 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.68/8.27 [2019-03-28 22:33:04,300 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.68/8.27 [2019-03-28 22:33:04,300 INFO L127 ssoRankerPreferences]: Use exernal solver: false 18.68/8.27 [2019-03-28 22:33:04,300 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 18.68/8.27 [2019-03-28 22:33:04,301 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.68/8.27 [2019-03-28 22:33:04,301 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.68/8.27 [2019-03-28 22:33:04,301 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration11_Loop 18.68/8.27 [2019-03-28 22:33:04,301 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.68/8.27 [2019-03-28 22:33:04,301 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.68/8.27 [2019-03-28 22:33:04,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.68/8.27 [2019-03-28 22:33:04,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.68/8.27 [2019-03-28 22:33:04,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.68/8.27 [2019-03-28 22:33:04,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.68/8.27 [2019-03-28 22:33:04,367 INFO L300 LassoAnalysis]: Preprocessing complete. 18.68/8.27 [2019-03-28 22:33:04,368 INFO L497 LassoAnalysis]: Using template 'affine'. 18.68/8.27 [2019-03-28 22:33:04,368 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.68/8.27 Termination analysis: LINEAR_WITH_GUESSES 18.68/8.27 Number of strict supporting invariants: 0 18.68/8.27 Number of non-strict supporting invariants: 1 18.68/8.27 Consider only non-deceasing supporting invariants: true 18.68/8.27 Simplify termination arguments: true 18.68/8.27 Simplify supporting invariants: trueOverapproximate stem: false 18.68/8.27 [2019-03-28 22:33:04,369 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.68/8.27 [2019-03-28 22:33:04,369 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.68/8.27 [2019-03-28 22:33:04,369 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.68/8.27 [2019-03-28 22:33:04,369 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.68/8.27 [2019-03-28 22:33:04,375 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 18.68/8.27 [2019-03-28 22:33:04,375 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 18.68/8.27 [2019-03-28 22:33:04,378 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 18.68/8.27 [2019-03-28 22:33:04,378 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.68/8.27 Termination analysis: LINEAR_WITH_GUESSES 18.68/8.27 Number of strict supporting invariants: 0 18.68/8.27 Number of non-strict supporting invariants: 1 18.68/8.27 Consider only non-deceasing supporting invariants: true 18.68/8.27 Simplify termination arguments: true 18.68/8.27 Simplify supporting invariants: trueOverapproximate stem: false 18.68/8.27 [2019-03-28 22:33:04,378 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.68/8.27 [2019-03-28 22:33:04,379 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.68/8.27 [2019-03-28 22:33:04,379 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.68/8.27 [2019-03-28 22:33:04,379 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.68/8.27 [2019-03-28 22:33:04,381 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 18.68/8.27 [2019-03-28 22:33:04,381 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 18.68/8.27 [2019-03-28 22:33:04,384 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 18.68/8.27 [2019-03-28 22:33:04,385 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.68/8.27 Termination analysis: LINEAR_WITH_GUESSES 18.68/8.27 Number of strict supporting invariants: 0 18.68/8.27 Number of non-strict supporting invariants: 1 18.68/8.27 Consider only non-deceasing supporting invariants: true 18.68/8.27 Simplify termination arguments: true 18.68/8.27 Simplify supporting invariants: trueOverapproximate stem: false 18.68/8.27 [2019-03-28 22:33:04,385 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.68/8.27 [2019-03-28 22:33:04,385 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 18.68/8.27 [2019-03-28 22:33:04,385 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.68/8.27 [2019-03-28 22:33:04,386 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.68/8.27 [2019-03-28 22:33:04,386 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.68/8.27 [2019-03-28 22:33:04,386 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 18.68/8.27 [2019-03-28 22:33:04,386 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 18.68/8.27 [2019-03-28 22:33:04,388 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 18.68/8.27 [2019-03-28 22:33:04,388 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.68/8.27 Termination analysis: LINEAR_WITH_GUESSES 18.68/8.27 Number of strict supporting invariants: 0 18.68/8.27 Number of non-strict supporting invariants: 1 18.68/8.27 Consider only non-deceasing supporting invariants: true 18.68/8.27 Simplify termination arguments: true 18.68/8.27 Simplify supporting invariants: trueOverapproximate stem: false 18.68/8.27 [2019-03-28 22:33:04,389 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.68/8.27 [2019-03-28 22:33:04,389 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 18.68/8.27 [2019-03-28 22:33:04,389 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.68/8.27 [2019-03-28 22:33:04,389 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.68/8.27 [2019-03-28 22:33:04,389 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.68/8.27 [2019-03-28 22:33:04,390 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 18.68/8.27 [2019-03-28 22:33:04,390 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 18.68/8.27 [2019-03-28 22:33:04,392 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 18.68/8.27 [2019-03-28 22:33:04,394 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 18.68/8.27 [2019-03-28 22:33:04,394 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. 18.68/8.27 [2019-03-28 22:33:04,394 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 18.68/8.27 [2019-03-28 22:33:04,394 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 18.68/8.27 [2019-03-28 22:33:04,395 INFO L518 LassoAnalysis]: Proved termination. 18.68/8.27 [2019-03-28 22:33:04,395 INFO L520 LassoAnalysis]: Termination argument consisting of: 18.68/8.27 Ranking function f(ULTIMATE.start_main_~j~0) = -2*ULTIMATE.start_main_~j~0 + 23 18.68/8.27 Supporting invariants [] 18.68/8.27 [2019-03-28 22:33:04,395 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 18.68/8.27 [2019-03-28 22:33:04,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.68/8.27 [2019-03-28 22:33:04,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.68/8.27 [2019-03-28 22:33:04,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core 18.68/8.27 [2019-03-28 22:33:04,427 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.68/8.27 [2019-03-28 22:33:04,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.68/8.27 [2019-03-28 22:33:04,430 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core 18.68/8.27 [2019-03-28 22:33:04,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.68/8.27 [2019-03-28 22:33:04,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.68/8.27 [2019-03-28 22:33:04,431 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 18.68/8.27 [2019-03-28 22:33:04,432 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates 18.68/8.27 [2019-03-28 22:33:04,432 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand 2 states. 18.68/8.27 [2019-03-28 22:33:04,441 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 14 states and 17 transitions. cyclomatic complexity: 5. Second operand 2 states. Result 16 states and 19 transitions. Complement of second has 4 states. 18.68/8.27 [2019-03-28 22:33:04,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 18.68/8.27 [2019-03-28 22:33:04,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 18.68/8.27 [2019-03-28 22:33:04,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. 18.68/8.27 [2019-03-28 22:33:04,442 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 2 letters. Loop has 1 letters. 18.68/8.27 [2019-03-28 22:33:04,442 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.68/8.27 [2019-03-28 22:33:04,443 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 1 letters. 18.68/8.27 [2019-03-28 22:33:04,443 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.68/8.27 [2019-03-28 22:33:04,443 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 2 letters. Loop has 2 letters. 18.68/8.27 [2019-03-28 22:33:04,443 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.68/8.27 [2019-03-28 22:33:04,444 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. 18.68/8.27 [2019-03-28 22:33:04,445 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 18.68/8.27 [2019-03-28 22:33:04,445 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. 18.68/8.27 [2019-03-28 22:33:04,445 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 18.68/8.27 [2019-03-28 22:33:04,445 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 18.68/8.27 [2019-03-28 22:33:04,445 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 18.68/8.27 [2019-03-28 22:33:04,446 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 18.68/8.27 [2019-03-28 22:33:04,446 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 18.68/8.27 [2019-03-28 22:33:04,446 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 18.68/8.27 [2019-03-28 22:33:04,446 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 18.68/8.27 [2019-03-28 22:33:04,446 INFO L442 BuchiCegarLoop]: ======== Iteration 12============ 18.68/8.27 [2019-03-28 22:33:04,446 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 18.68/8.27 [2019-03-28 22:33:04,446 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 18.68/8.27 [2019-03-28 22:33:04,446 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 18.68/8.27 [2019-03-28 22:33:04,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:33:04 BasicIcfg 18.68/8.27 [2019-03-28 22:33:04,453 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 18.68/8.27 [2019-03-28 22:33:04,454 INFO L168 Benchmark]: Toolchain (without parser) took 3713.03 ms. Allocated memory was 649.6 MB in the beginning and 746.6 MB in the end (delta: 97.0 MB). Free memory was 559.1 MB in the beginning and 587.1 MB in the end (delta: -28.0 MB). Peak memory consumption was 69.0 MB. Max. memory is 50.3 GB. 18.68/8.27 [2019-03-28 22:33:04,455 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 18.68/8.27 [2019-03-28 22:33:04,455 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.40 ms. Allocated memory was 649.6 MB in the beginning and 677.4 MB in the end (delta: 27.8 MB). Free memory was 558.1 MB in the beginning and 645.2 MB in the end (delta: -87.2 MB). Peak memory consumption was 30.1 MB. Max. memory is 50.3 GB. 18.68/8.27 [2019-03-28 22:33:04,456 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.67 ms. Allocated memory is still 677.4 MB. Free memory was 645.2 MB in the beginning and 644.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 18.68/8.27 [2019-03-28 22:33:04,456 INFO L168 Benchmark]: Boogie Preprocessor took 21.30 ms. Allocated memory is still 677.4 MB. Free memory was 644.1 MB in the beginning and 643.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 18.68/8.27 [2019-03-28 22:33:04,457 INFO L168 Benchmark]: RCFGBuilder took 213.20 ms. Allocated memory is still 677.4 MB. Free memory was 643.1 MB in the beginning and 627.5 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 50.3 GB. 18.68/8.27 [2019-03-28 22:33:04,458 INFO L168 Benchmark]: BlockEncodingV2 took 78.99 ms. Allocated memory is still 677.4 MB. Free memory was 627.5 MB in the beginning and 623.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. 18.68/8.27 [2019-03-28 22:33:04,458 INFO L168 Benchmark]: TraceAbstraction took 156.42 ms. Allocated memory is still 677.4 MB. Free memory was 622.1 MB in the beginning and 613.4 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. 18.68/8.27 [2019-03-28 22:33:04,459 INFO L168 Benchmark]: BuchiAutomizer took 2909.74 ms. Allocated memory was 677.4 MB in the beginning and 746.6 MB in the end (delta: 69.2 MB). Free memory was 613.4 MB in the beginning and 587.1 MB in the end (delta: 26.3 MB). Peak memory consumption was 95.5 MB. Max. memory is 50.3 GB. 18.68/8.27 [2019-03-28 22:33:04,463 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 18.68/8.27 --- Results --- 18.68/8.27 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 18.68/8.27 - StatisticsResult: Initial Icfg 18.68/8.27 8 locations, 11 edges 18.68/8.27 - StatisticsResult: Encoded RCFG 18.68/8.27 3 locations, 4 edges 18.68/8.27 * Results from de.uni_freiburg.informatik.ultimate.core: 18.68/8.27 - StatisticsResult: Toolchain Benchmarks 18.68/8.27 Benchmark results are: 18.68/8.27 * CDTParser took 0.15 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 18.68/8.27 * CACSL2BoogieTranslator took 290.40 ms. Allocated memory was 649.6 MB in the beginning and 677.4 MB in the end (delta: 27.8 MB). Free memory was 558.1 MB in the beginning and 645.2 MB in the end (delta: -87.2 MB). Peak memory consumption was 30.1 MB. Max. memory is 50.3 GB. 18.68/8.27 * Boogie Procedure Inliner took 37.67 ms. Allocated memory is still 677.4 MB. Free memory was 645.2 MB in the beginning and 644.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 18.68/8.27 * Boogie Preprocessor took 21.30 ms. Allocated memory is still 677.4 MB. Free memory was 644.1 MB in the beginning and 643.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 18.68/8.27 * RCFGBuilder took 213.20 ms. Allocated memory is still 677.4 MB. Free memory was 643.1 MB in the beginning and 627.5 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 50.3 GB. 18.68/8.27 * BlockEncodingV2 took 78.99 ms. Allocated memory is still 677.4 MB. Free memory was 627.5 MB in the beginning and 623.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. 18.68/8.27 * TraceAbstraction took 156.42 ms. Allocated memory is still 677.4 MB. Free memory was 622.1 MB in the beginning and 613.4 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. 18.68/8.27 * BuchiAutomizer took 2909.74 ms. Allocated memory was 677.4 MB in the beginning and 746.6 MB in the end (delta: 69.2 MB). Free memory was 613.4 MB in the beginning and 587.1 MB in the end (delta: 26.3 MB). Peak memory consumption was 95.5 MB. Max. memory is 50.3 GB. 18.68/8.27 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 18.68/8.27 - AllSpecificationsHoldResult: All specifications hold 18.68/8.27 We were not able to verify any specifiation because the program does not contain any specification. 18.68/8.27 - InvariantResult [Line: 12]: Loop Invariant 18.68/8.27 Derived loop invariant: 1 18.68/8.27 - InvariantResult [Line: 10]: Loop Invariant 18.68/8.27 Derived loop invariant: 1 18.68/8.27 - StatisticsResult: Ultimate Automizer benchmark data 18.68/8.27 CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 18.68/8.27 - StatisticsResult: Constructed decomposition of program 18.68/8.27 Your program was decomposed into 11 terminating modules (9 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function -2 * i + 19 and consists of 4 locations. One nondeterministic module has affine ranking function -2 * j + 23 and consists of 3 locations. 9 modules have a trivial ranking function, the largest among these consists of 11 locations. 18.68/8.27 - StatisticsResult: Timing statistics 18.68/8.27 BüchiAutomizer plugin needed 2.8s and 12 iterations. TraceHistogramMax:9. Analysis of lassos took 2.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 10. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 14 states and ocurred in iteration 10. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 45/45 HoareTripleCheckerStatistics: 37 SDtfs, 14 SDslu, 1 SDs, 0 SdLazy, 125 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI9 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax168 hnf100 lsp33 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 9ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s 18.68/8.27 - TerminationAnalysisResult: Termination proven 18.68/8.27 Buchi Automizer proved that your program is terminating 18.68/8.27 RESULT: Ultimate proved your program to be correct! 18.68/8.27 18.68/8.27 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:33:04.693 18.68/8.27 !MESSAGE The workspace will exit with unsaved changes in this session. 18.68/8.27 Received shutdown request... 18.68/8.27 Ultimate: 18.68/8.27 GTK+ Version Check 18.68/8.27 EOF