14.21/6.96 YES 14.21/6.96 14.21/6.96 Ultimate: Cannot open display: 14.21/6.96 This is Ultimate 0.1.24-8dc7c08-m 14.21/6.96 [2019-03-28 23:00:00,802 INFO L170 SettingsManager]: Resetting all preferences to default values... 14.21/6.96 [2019-03-28 23:00:00,805 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 14.21/6.96 [2019-03-28 23:00:00,816 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 14.21/6.96 [2019-03-28 23:00:00,816 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 14.21/6.96 [2019-03-28 23:00:00,817 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 14.21/6.96 [2019-03-28 23:00:00,818 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 14.21/6.96 [2019-03-28 23:00:00,820 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 14.21/6.96 [2019-03-28 23:00:00,821 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 14.21/6.96 [2019-03-28 23:00:00,822 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 14.21/6.96 [2019-03-28 23:00:00,823 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 14.21/6.96 [2019-03-28 23:00:00,823 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 14.21/6.96 [2019-03-28 23:00:00,824 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 14.21/6.96 [2019-03-28 23:00:00,825 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 14.21/6.96 [2019-03-28 23:00:00,826 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 14.21/6.96 [2019-03-28 23:00:00,827 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 14.21/6.96 [2019-03-28 23:00:00,828 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 14.21/6.96 [2019-03-28 23:00:00,829 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 14.21/6.96 [2019-03-28 23:00:00,831 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 14.21/6.96 [2019-03-28 23:00:00,832 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 14.21/6.96 [2019-03-28 23:00:00,833 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 14.21/6.96 [2019-03-28 23:00:00,834 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 14.21/6.96 [2019-03-28 23:00:00,836 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 14.21/6.96 [2019-03-28 23:00:00,837 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 14.21/6.96 [2019-03-28 23:00:00,837 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 14.21/6.96 [2019-03-28 23:00:00,838 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 14.21/6.96 [2019-03-28 23:00:00,838 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 14.21/6.96 [2019-03-28 23:00:00,839 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 14.21/6.96 [2019-03-28 23:00:00,839 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 14.21/6.96 [2019-03-28 23:00:00,840 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 14.21/6.96 [2019-03-28 23:00:00,841 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 14.21/6.96 [2019-03-28 23:00:00,841 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 14.21/6.96 [2019-03-28 23:00:00,842 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 14.21/6.96 [2019-03-28 23:00:00,842 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 14.21/6.96 [2019-03-28 23:00:00,843 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 14.21/6.96 [2019-03-28 23:00:00,843 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 14.21/6.96 [2019-03-28 23:00:00,844 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 14.21/6.96 [2019-03-28 23:00:00,845 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 14.21/6.96 [2019-03-28 23:00:00,845 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 14.21/6.96 [2019-03-28 23:00:00,845 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 14.21/6.96 [2019-03-28 23:00:00,860 INFO L110 SettingsManager]: Loading preferences was successful 14.21/6.96 [2019-03-28 23:00:00,860 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 14.21/6.96 [2019-03-28 23:00:00,861 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 14.21/6.96 [2019-03-28 23:00:00,862 INFO L133 SettingsManager]: * Rewrite not-equals=true 14.21/6.96 [2019-03-28 23:00:00,862 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 14.21/6.96 [2019-03-28 23:00:00,862 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 14.21/6.96 [2019-03-28 23:00:00,862 INFO L133 SettingsManager]: * Use SBE=true 14.21/6.96 [2019-03-28 23:00:00,862 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 14.21/6.96 [2019-03-28 23:00:00,863 INFO L133 SettingsManager]: * Use old map elimination=false 14.21/6.96 [2019-03-28 23:00:00,863 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 14.21/6.96 [2019-03-28 23:00:00,863 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 14.21/6.96 [2019-03-28 23:00:00,863 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 14.21/6.96 [2019-03-28 23:00:00,863 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 14.21/6.96 [2019-03-28 23:00:00,864 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 14.21/6.96 [2019-03-28 23:00:00,864 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.21/6.96 [2019-03-28 23:00:00,864 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 14.21/6.96 [2019-03-28 23:00:00,864 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 14.21/6.96 [2019-03-28 23:00:00,864 INFO L133 SettingsManager]: * Check division by zero=IGNORE 14.21/6.96 [2019-03-28 23:00:00,865 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 14.21/6.96 [2019-03-28 23:00:00,865 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 14.21/6.96 [2019-03-28 23:00:00,865 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 14.21/6.96 [2019-03-28 23:00:00,865 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 14.21/6.96 [2019-03-28 23:00:00,865 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 14.21/6.96 [2019-03-28 23:00:00,866 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 14.21/6.96 [2019-03-28 23:00:00,866 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.21/6.96 [2019-03-28 23:00:00,866 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 14.21/6.96 [2019-03-28 23:00:00,866 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 14.21/6.96 [2019-03-28 23:00:00,866 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 14.21/6.96 [2019-03-28 23:00:00,867 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 14.21/6.96 [2019-03-28 23:00:00,893 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 14.21/6.96 [2019-03-28 23:00:00,906 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 14.21/6.96 [2019-03-28 23:00:00,909 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 14.21/6.96 [2019-03-28 23:00:00,911 INFO L271 PluginConnector]: Initializing CDTParser... 14.21/6.96 [2019-03-28 23:00:00,911 INFO L276 PluginConnector]: CDTParser initialized 14.21/6.96 [2019-03-28 23:00:00,912 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 14.21/6.96 [2019-03-28 23:00:00,974 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/d58057afcd324cd98ba96e1ab4221a64/FLAG1af555106 14.21/6.96 !SESSION 2019-03-28 22:59:58.484 ----------------------------------------------- 14.21/6.96 eclipse.buildId=unknown 14.21/6.96 java.version=1.8.0_181 14.21/6.96 java.vendor=Oracle Corporation 14.21/6.96 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 14.21/6.96 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 14.21/6.96 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 14.21/6.96 14.21/6.96 !ENTRY org.eclipse.cdt.core 1 0 2019-03-28 23:00:01.240 14.21/6.96 !MESSAGE Indexed 'FLAG1af555106' (0 sources, 0 headers) in 0.007 sec: 0 declarations; 0 references; 0 unresolved inclusions; 0 syntax errors; 0 unresolved names (0%) 14.21/6.96 [2019-03-28 23:00:01,320 INFO L307 CDTParser]: Found 1 translation units. 14.21/6.96 [2019-03-28 23:00:01,321 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 14.21/6.96 [2019-03-28 23:00:01,328 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/d58057afcd324cd98ba96e1ab4221a64/FLAG1af555106 14.21/6.96 [2019-03-28 23:00:01,773 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/d58057afcd324cd98ba96e1ab4221a64 14.21/6.96 [2019-03-28 23:00:01,784 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 14.21/6.96 [2019-03-28 23:00:01,785 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 14.21/6.96 [2019-03-28 23:00:01,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 14.21/6.96 [2019-03-28 23:00:01,788 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 14.21/6.96 [2019-03-28 23:00:01,791 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 14.21/6.96 [2019-03-28 23:00:01,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 11:00:01" (1/1) ... 14.21/6.96 [2019-03-28 23:00:01,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@500792ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:00:01, skipping insertion in model container 14.21/6.96 [2019-03-28 23:00:01,795 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 11:00:01" (1/1) ... 14.21/6.96 [2019-03-28 23:00:01,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 14.21/6.96 [2019-03-28 23:00:01,821 INFO L176 MainTranslator]: Built tables and reachable declarations 14.21/6.96 [2019-03-28 23:00:01,979 INFO L206 PostProcessor]: Analyzing one entry point: main 14.21/6.96 [2019-03-28 23:00:01,983 INFO L191 MainTranslator]: Completed pre-run 14.21/6.96 [2019-03-28 23:00:02,000 INFO L206 PostProcessor]: Analyzing one entry point: main 14.21/6.96 [2019-03-28 23:00:02,073 INFO L195 MainTranslator]: Completed translation 14.21/6.96 [2019-03-28 23:00:02,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:00:02 WrapperNode 14.21/6.96 [2019-03-28 23:00:02,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 14.21/6.96 [2019-03-28 23:00:02,075 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 14.21/6.96 [2019-03-28 23:00:02,075 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 14.21/6.96 [2019-03-28 23:00:02,075 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 14.21/6.96 [2019-03-28 23:00:02,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:00:02" (1/1) ... 14.21/6.96 [2019-03-28 23:00:02,091 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:00:02" (1/1) ... 14.21/6.96 [2019-03-28 23:00:02,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 14.21/6.96 [2019-03-28 23:00:02,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 14.21/6.96 [2019-03-28 23:00:02,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 14.21/6.96 [2019-03-28 23:00:02,113 INFO L276 PluginConnector]: Boogie Preprocessor initialized 14.21/6.96 [2019-03-28 23:00:02,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:00:02" (1/1) ... 14.21/6.96 [2019-03-28 23:00:02,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:00:02" (1/1) ... 14.21/6.96 [2019-03-28 23:00:02,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:00:02" (1/1) ... 14.21/6.96 [2019-03-28 23:00:02,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:00:02" (1/1) ... 14.21/6.96 [2019-03-28 23:00:02,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:00:02" (1/1) ... 14.21/6.96 [2019-03-28 23:00:02,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:00:02" (1/1) ... 14.21/6.96 [2019-03-28 23:00:02,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:00:02" (1/1) ... 14.21/6.96 [2019-03-28 23:00:02,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 14.21/6.96 [2019-03-28 23:00:02,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 14.21/6.96 [2019-03-28 23:00:02,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... 14.21/6.96 [2019-03-28 23:00:02,134 INFO L276 PluginConnector]: RCFGBuilder initialized 14.21/6.96 [2019-03-28 23:00:02,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:00:02" (1/1) ... 14.21/6.96 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.21/6.96 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 14.21/6.96 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.21/6.96 [2019-03-28 23:00:02,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 14.21/6.96 [2019-03-28 23:00:02,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 14.21/6.96 [2019-03-28 23:00:02,331 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 14.21/6.96 [2019-03-28 23:00:02,331 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. 14.21/6.96 [2019-03-28 23:00:02,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:00:02 BoogieIcfgContainer 14.21/6.96 [2019-03-28 23:00:02,333 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 14.21/6.96 [2019-03-28 23:00:02,333 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 14.21/6.96 [2019-03-28 23:00:02,334 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 14.21/6.96 [2019-03-28 23:00:02,336 INFO L276 PluginConnector]: BlockEncodingV2 initialized 14.21/6.96 [2019-03-28 23:00:02,337 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:00:02" (1/1) ... 14.21/6.96 [2019-03-28 23:00:02,352 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges 14.21/6.96 [2019-03-28 23:00:02,354 INFO L258 BlockEncoder]: Using Remove infeasible edges 14.21/6.96 [2019-03-28 23:00:02,354 INFO L263 BlockEncoder]: Using Maximize final states 14.21/6.96 [2019-03-28 23:00:02,355 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 14.21/6.96 [2019-03-28 23:00:02,355 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 14.21/6.96 [2019-03-28 23:00:02,357 INFO L296 BlockEncoder]: Using Remove sink states 14.21/6.96 [2019-03-28 23:00:02,358 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 14.21/6.96 [2019-03-28 23:00:02,358 INFO L179 BlockEncoder]: Using Rewrite not-equals 14.21/6.96 [2019-03-28 23:00:02,373 INFO L185 BlockEncoder]: Using Use SBE 14.21/6.96 [2019-03-28 23:00:02,382 INFO L200 BlockEncoder]: SBE split 0 edges 14.21/6.96 [2019-03-28 23:00:02,387 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility 14.21/6.96 [2019-03-28 23:00:02,389 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.21/6.96 [2019-03-28 23:00:02,409 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding 14.21/6.96 [2019-03-28 23:00:02,412 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 14.21/6.96 [2019-03-28 23:00:02,413 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 14.21/6.96 [2019-03-28 23:00:02,413 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.21/6.96 [2019-03-28 23:00:02,414 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 14.21/6.96 [2019-03-28 23:00:02,414 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 14.21/6.96 [2019-03-28 23:00:02,414 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 14.21/6.96 [2019-03-28 23:00:02,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:00:02 BasicIcfg 14.21/6.96 [2019-03-28 23:00:02,415 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 14.21/6.96 [2019-03-28 23:00:02,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 14.21/6.96 [2019-03-28 23:00:02,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... 14.21/6.96 [2019-03-28 23:00:02,420 INFO L276 PluginConnector]: TraceAbstraction initialized 14.21/6.96 [2019-03-28 23:00:02,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 11:00:01" (1/4) ... 14.21/6.96 [2019-03-28 23:00:02,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c09d733 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 11:00:02, skipping insertion in model container 14.21/6.96 [2019-03-28 23:00:02,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:00:02" (2/4) ... 14.21/6.96 [2019-03-28 23:00:02,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c09d733 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 11:00:02, skipping insertion in model container 14.21/6.96 [2019-03-28 23:00:02,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:00:02" (3/4) ... 14.21/6.96 [2019-03-28 23:00:02,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c09d733 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:00:02, skipping insertion in model container 14.21/6.96 [2019-03-28 23:00:02,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:00:02" (4/4) ... 14.21/6.96 [2019-03-28 23:00:02,424 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.21/6.96 [2019-03-28 23:00:02,435 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 14.21/6.96 [2019-03-28 23:00:02,444 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 14.21/6.96 [2019-03-28 23:00:02,464 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 14.21/6.96 [2019-03-28 23:00:02,495 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.21/6.96 [2019-03-28 23:00:02,496 INFO L382 AbstractCegarLoop]: Interprodecural is true 14.21/6.96 [2019-03-28 23:00:02,496 INFO L383 AbstractCegarLoop]: Hoare is true 14.21/6.96 [2019-03-28 23:00:02,496 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 14.21/6.96 [2019-03-28 23:00:02,496 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 14.21/6.96 [2019-03-28 23:00:02,496 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.21/6.96 [2019-03-28 23:00:02,496 INFO L387 AbstractCegarLoop]: Difference is false 14.21/6.96 [2019-03-28 23:00:02,497 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 14.21/6.96 [2019-03-28 23:00:02,497 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 14.21/6.96 [2019-03-28 23:00:02,512 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 14.21/6.96 [2019-03-28 23:00:02,518 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 14.21/6.96 [2019-03-28 23:00:02,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 14.21/6.96 [2019-03-28 23:00:02,575 INFO L451 ceAbstractionStarter]: At program point L19-2(lines 19 21) the Hoare annotation is: true 14.21/6.96 [2019-03-28 23:00:02,575 INFO L451 ceAbstractionStarter]: At program point L17-2(lines 17 23) the Hoare annotation is: true 14.21/6.96 [2019-03-28 23:00:02,575 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 14.21/6.96 [2019-03-28 23:00:02,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:00:02 BasicIcfg 14.21/6.96 [2019-03-28 23:00:02,584 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 14.21/6.96 [2019-03-28 23:00:02,584 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 14.21/6.96 [2019-03-28 23:00:02,585 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 14.21/6.96 [2019-03-28 23:00:02,588 INFO L276 PluginConnector]: BuchiAutomizer initialized 14.21/6.96 [2019-03-28 23:00:02,589 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.21/6.96 [2019-03-28 23:00:02,589 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 11:00:01" (1/5) ... 14.21/6.96 [2019-03-28 23:00:02,590 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@670339f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 11:00:02, skipping insertion in model container 14.21/6.96 [2019-03-28 23:00:02,590 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.21/6.96 [2019-03-28 23:00:02,590 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:00:02" (2/5) ... 14.21/6.96 [2019-03-28 23:00:02,590 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@670339f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 11:00:02, skipping insertion in model container 14.21/6.96 [2019-03-28 23:00:02,590 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.21/6.96 [2019-03-28 23:00:02,591 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:00:02" (3/5) ... 14.21/6.96 [2019-03-28 23:00:02,591 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@670339f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:00:02, skipping insertion in model container 14.21/6.96 [2019-03-28 23:00:02,591 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.21/6.96 [2019-03-28 23:00:02,591 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:00:02" (4/5) ... 14.21/6.96 [2019-03-28 23:00:02,592 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@670339f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:00:02, skipping insertion in model container 14.21/6.96 [2019-03-28 23:00:02,592 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.21/6.96 [2019-03-28 23:00:02,592 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:00:02" (5/5) ... 14.21/6.96 [2019-03-28 23:00:02,593 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.21/6.96 [2019-03-28 23:00:02,622 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.21/6.96 [2019-03-28 23:00:02,622 INFO L374 BuchiCegarLoop]: Interprodecural is true 14.21/6.96 [2019-03-28 23:00:02,622 INFO L375 BuchiCegarLoop]: Hoare is true 14.21/6.96 [2019-03-28 23:00:02,623 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 14.21/6.96 [2019-03-28 23:00:02,623 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 14.21/6.96 [2019-03-28 23:00:02,623 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.21/6.96 [2019-03-28 23:00:02,623 INFO L379 BuchiCegarLoop]: Difference is false 14.21/6.96 [2019-03-28 23:00:02,623 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 14.21/6.96 [2019-03-28 23:00:02,623 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 14.21/6.96 [2019-03-28 23:00:02,626 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 14.21/6.96 [2019-03-28 23:00:02,644 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.21/6.96 [2019-03-28 23:00:02,644 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.21/6.96 [2019-03-28 23:00:02,644 INFO L119 BuchiIsEmpty]: Starting construction of run 14.21/6.96 [2019-03-28 23:00:02,649 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.21/6.96 [2019-03-28 23:00:02,650 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 14.21/6.96 [2019-03-28 23:00:02,650 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 14.21/6.96 [2019-03-28 23:00:02,650 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 14.21/6.96 [2019-03-28 23:00:02,650 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.21/6.96 [2019-03-28 23:00:02,651 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.21/6.96 [2019-03-28 23:00:02,651 INFO L119 BuchiIsEmpty]: Starting construction of run 14.21/6.96 [2019-03-28 23:00:02,651 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.21/6.96 [2019-03-28 23:00:02,651 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 14.21/6.96 [2019-03-28 23:00:02,656 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [34] ULTIMATE.startENTRY-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_1 v_ULTIMATE.start_main_~N~0_1) (= v_ULTIMATE.start_main_~N~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~N~0=v_ULTIMATE.start_main_~N~0_1, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~N~0] 3#L17-2true 14.21/6.96 [2019-03-28 23:00:02,657 INFO L796 eck$LassoCheckResult]: Loop: 3#L17-2true [33] L17-2-->L19-2: Formula: (and (< 0 v_ULTIMATE.start_main_~i~0_9) (= v_ULTIMATE.start_main_~j~0_7 v_ULTIMATE.start_main_~N~0_6)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9, ULTIMATE.start_main_~N~0=v_ULTIMATE.start_main_~N~0_6} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9, ULTIMATE.start_main_~N~0=v_ULTIMATE.start_main_~N~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 5#L19-2true [45] L19-2-->L17-2: Formula: (and (<= v_ULTIMATE.start_main_~j~0_8 0) (= (+ 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_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 3#L17-2true 14.21/6.96 [2019-03-28 23:00:02,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.21/6.96 [2019-03-28 23:00:02,663 INFO L82 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 1 times 14.21/6.96 [2019-03-28 23:00:02,665 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.21/6.96 [2019-03-28 23:00:02,665 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.21/6.96 [2019-03-28 23:00:02,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.21/6.96 [2019-03-28 23:00:02,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.21/6.96 [2019-03-28 23:00:02,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.21/6.96 [2019-03-28 23:00:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.21/6.96 [2019-03-28 23:00:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.21/6.96 [2019-03-28 23:00:02,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.21/6.96 [2019-03-28 23:00:02,738 INFO L82 PathProgramCache]: Analyzing trace with hash 2029, now seen corresponding path program 1 times 14.21/6.96 [2019-03-28 23:00:02,738 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.21/6.96 [2019-03-28 23:00:02,738 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.21/6.96 [2019-03-28 23:00:02,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.21/6.96 [2019-03-28 23:00:02,740 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.21/6.96 [2019-03-28 23:00:02,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.21/6.96 [2019-03-28 23:00:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.21/6.96 [2019-03-28 23:00:02,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.21/6.96 [2019-03-28 23:00:02,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.21/6.96 [2019-03-28 23:00:02,752 INFO L82 PathProgramCache]: Analyzing trace with hash 63533, now seen corresponding path program 1 times 14.21/6.96 [2019-03-28 23:00:02,752 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.21/6.96 [2019-03-28 23:00:02,752 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.21/6.96 [2019-03-28 23:00:02,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.21/6.96 [2019-03-28 23:00:02,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.21/6.96 [2019-03-28 23:00:02,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.21/6.96 [2019-03-28 23:00:02,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.21/6.96 [2019-03-28 23:00:02,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.21/6.96 [2019-03-28 23:00:02,829 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 14.21/6.96 [2019-03-28 23:00:02,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 14.21/6.96 [2019-03-28 23:00:02,882 INFO L216 LassoAnalysis]: Preferences: 14.21/6.96 [2019-03-28 23:00:02,883 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.21/6.96 [2019-03-28 23:00:02,883 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.21/6.96 [2019-03-28 23:00:02,883 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.21/6.96 [2019-03-28 23:00:02,884 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.21/6.96 [2019-03-28 23:00:02,884 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.21/6.96 [2019-03-28 23:00:02,884 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.21/6.96 [2019-03-28 23:00:02,884 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.21/6.96 [2019-03-28 23:00:02,884 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.21/6.96 [2019-03-28 23:00:02,885 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.21/6.96 [2019-03-28 23:00:02,885 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.21/6.96 [2019-03-28 23:00:02,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.21/6.96 [2019-03-28 23:00:02,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.21/6.96 [2019-03-28 23:00:02,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.21/6.96 [2019-03-28 23:00:02,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.21/6.96 [2019-03-28 23:00:03,016 INFO L300 LassoAnalysis]: Preprocessing complete. 14.21/6.96 [2019-03-28 23:00:03,016 INFO L412 LassoAnalysis]: Checking for nontermination... 14.21/6.96 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.21/6.96 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.21/6.96 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.21/6.96 [2019-03-28 23:00:03,028 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.21/6.96 [2019-03-28 23:00:03,028 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.21/6.96 [2019-03-28 23:00:03,062 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.21/6.96 [2019-03-28 23:00:03,062 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: [] 14.21/6.96 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.21/6.96 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.21/6.96 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.21/6.96 [2019-03-28 23:00:03,068 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.21/6.96 [2019-03-28 23:00:03,069 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.21/6.96 [2019-03-28 23:00:03,098 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.21/6.96 [2019-03-28 23:00:03,098 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: [] 14.21/6.96 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.21/6.96 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.21/6.96 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.21/6.96 [2019-03-28 23:00:03,114 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.21/6.96 [2019-03-28 23:00:03,115 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.21/6.96 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.21/6.96 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.21/6.96 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.21/6.96 [2019-03-28 23:00:03,145 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.21/6.96 [2019-03-28 23:00:03,146 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.21/6.96 [2019-03-28 23:00:03,177 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.21/6.96 [2019-03-28 23:00:03,179 INFO L216 LassoAnalysis]: Preferences: 14.21/6.96 [2019-03-28 23:00:03,179 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.21/6.96 [2019-03-28 23:00:03,180 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.21/6.96 [2019-03-28 23:00:03,180 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.21/6.96 [2019-03-28 23:00:03,180 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.21/6.96 [2019-03-28 23:00:03,180 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.21/6.96 [2019-03-28 23:00:03,180 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.21/6.96 [2019-03-28 23:00:03,180 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.21/6.96 [2019-03-28 23:00:03,181 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.21/6.96 [2019-03-28 23:00:03,181 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.21/6.96 [2019-03-28 23:00:03,181 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.21/6.96 [2019-03-28 23:00:03,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.21/6.96 [2019-03-28 23:00:03,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.21/6.96 [2019-03-28 23:00:03,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.21/6.96 [2019-03-28 23:00:03,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.21/6.96 [2019-03-28 23:00:03,269 INFO L300 LassoAnalysis]: Preprocessing complete. 14.21/6.96 [2019-03-28 23:00:03,275 INFO L497 LassoAnalysis]: Using template 'affine'. 14.21/6.96 [2019-03-28 23:00:03,276 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.21/6.96 Termination analysis: LINEAR_WITH_GUESSES 14.21/6.96 Number of strict supporting invariants: 0 14.21/6.96 Number of non-strict supporting invariants: 1 14.21/6.96 Consider only non-deceasing supporting invariants: true 14.21/6.96 Simplify termination arguments: true 14.21/6.96 Simplify supporting invariants: trueOverapproximate stem: false 14.21/6.96 [2019-03-28 23:00:03,278 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.21/6.96 [2019-03-28 23:00:03,278 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.21/6.96 [2019-03-28 23:00:03,279 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.21/6.96 [2019-03-28 23:00:03,279 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.21/6.96 [2019-03-28 23:00:03,279 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.21/6.96 [2019-03-28 23:00:03,281 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.21/6.96 [2019-03-28 23:00:03,281 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.21/6.96 [2019-03-28 23:00:03,284 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.21/6.96 [2019-03-28 23:00:03,285 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.21/6.96 Termination analysis: LINEAR_WITH_GUESSES 14.21/6.96 Number of strict supporting invariants: 0 14.21/6.96 Number of non-strict supporting invariants: 1 14.21/6.96 Consider only non-deceasing supporting invariants: true 14.21/6.96 Simplify termination arguments: true 14.21/6.96 Simplify supporting invariants: trueOverapproximate stem: false 14.21/6.96 [2019-03-28 23:00:03,285 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.21/6.96 [2019-03-28 23:00:03,286 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.21/6.96 [2019-03-28 23:00:03,286 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.21/6.96 [2019-03-28 23:00:03,286 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.21/6.96 [2019-03-28 23:00:03,286 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.21/6.96 [2019-03-28 23:00:03,287 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.21/6.96 [2019-03-28 23:00:03,287 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.21/6.96 [2019-03-28 23:00:03,292 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.21/6.96 [2019-03-28 23:00:03,296 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 14.21/6.96 [2019-03-28 23:00:03,296 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 14.21/6.96 [2019-03-28 23:00:03,298 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.21/6.96 [2019-03-28 23:00:03,298 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.21/6.96 [2019-03-28 23:00:03,298 INFO L518 LassoAnalysis]: Proved termination. 14.21/6.96 [2019-03-28 23:00:03,299 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.21/6.96 Ranking function f(ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~i~0 14.21/6.96 Supporting invariants [] 14.21/6.96 [2019-03-28 23:00:03,300 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.21/6.96 [2019-03-28 23:00:03,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.21/6.96 [2019-03-28 23:00:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.21/6.96 [2019-03-28 23:00:03,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 14.21/6.96 [2019-03-28 23:00:03,329 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.21/6.96 [2019-03-28 23:00:03,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.21/6.96 [2019-03-28 23:00:03,338 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 14.21/6.96 [2019-03-28 23:00:03,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.21/6.96 [2019-03-28 23:00:03,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.21/6.96 [2019-03-28 23:00:03,380 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 14.21/6.96 [2019-03-28 23:00:03,386 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 14.21/6.96 [2019-03-28 23:00:03,387 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 14.21/6.96 [2019-03-28 23:00:03,413 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 6 states and 9 transitions. Complement of second has 4 states. 14.21/6.96 [2019-03-28 23:00:03,414 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 14.21/6.96 [2019-03-28 23:00:03,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 14.21/6.96 [2019-03-28 23:00:03,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. 14.21/6.96 [2019-03-28 23:00:03,418 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 2 letters. 14.21/6.96 [2019-03-28 23:00:03,420 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.21/6.96 [2019-03-28 23:00:03,420 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 3 letters. Loop has 2 letters. 14.21/6.96 [2019-03-28 23:00:03,420 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.21/6.96 [2019-03-28 23:00:03,420 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 4 letters. 14.21/6.96 [2019-03-28 23:00:03,421 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.21/6.96 [2019-03-28 23:00:03,426 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 9 transitions. 14.21/6.96 [2019-03-28 23:00:03,427 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 14.21/6.96 [2019-03-28 23:00:03,431 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 9 transitions. 14.21/6.96 [2019-03-28 23:00:03,432 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 14.21/6.96 [2019-03-28 23:00:03,432 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 14.21/6.96 [2019-03-28 23:00:03,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 9 transitions. 14.21/6.96 [2019-03-28 23:00:03,433 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 14.21/6.96 [2019-03-28 23:00:03,433 INFO L706 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. 14.21/6.96 [2019-03-28 23:00:03,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 9 transitions. 14.21/6.96 [2019-03-28 23:00:03,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 5. 14.21/6.96 [2019-03-28 23:00:03,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 14.21/6.96 [2019-03-28 23:00:03,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 8 transitions. 14.21/6.96 [2019-03-28 23:00:03,461 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. 14.21/6.96 [2019-03-28 23:00:03,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. 14.21/6.96 [2019-03-28 23:00:03,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 14.21/6.96 [2019-03-28 23:00:03,464 INFO L87 Difference]: Start difference. First operand 5 states and 8 transitions. Second operand 4 states. 14.21/6.96 [2019-03-28 23:00:03,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 14.21/6.96 [2019-03-28 23:00:03,489 INFO L93 Difference]: Finished difference Result 9 states and 13 transitions. 14.21/6.96 [2019-03-28 23:00:03,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 14.21/6.96 [2019-03-28 23:00:03,491 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 13 transitions. 14.21/6.96 [2019-03-28 23:00:03,492 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 14.21/6.96 [2019-03-28 23:00:03,492 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 9 states and 13 transitions. 14.21/6.96 [2019-03-28 23:00:03,493 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 14.21/6.96 [2019-03-28 23:00:03,493 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 14.21/6.96 [2019-03-28 23:00:03,493 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 13 transitions. 14.21/6.96 [2019-03-28 23:00:03,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 14.21/6.96 [2019-03-28 23:00:03,493 INFO L706 BuchiCegarLoop]: Abstraction has 9 states and 13 transitions. 14.21/6.96 [2019-03-28 23:00:03,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 13 transitions. 14.21/6.96 [2019-03-28 23:00:03,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 6. 14.21/6.96 [2019-03-28 23:00:03,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. 14.21/6.96 [2019-03-28 23:00:03,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9 transitions. 14.21/6.96 [2019-03-28 23:00:03,495 INFO L729 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. 14.21/6.96 [2019-03-28 23:00:03,495 INFO L609 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. 14.21/6.96 [2019-03-28 23:00:03,495 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 14.21/6.96 [2019-03-28 23:00:03,495 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 9 transitions. 14.21/6.96 [2019-03-28 23:00:03,496 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 14.21/6.96 [2019-03-28 23:00:03,496 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.21/6.96 [2019-03-28 23:00:03,496 INFO L119 BuchiIsEmpty]: Starting construction of run 14.21/6.96 [2019-03-28 23:00:03,496 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 14.21/6.96 [2019-03-28 23:00:03,497 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 14.21/6.96 [2019-03-28 23:00:03,497 INFO L794 eck$LassoCheckResult]: Stem: 65#ULTIMATE.startENTRY [34] ULTIMATE.startENTRY-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_1 v_ULTIMATE.start_main_~N~0_1) (= v_ULTIMATE.start_main_~N~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~N~0=v_ULTIMATE.start_main_~N~0_1, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~N~0] 60#L17-2 [33] L17-2-->L19-2: Formula: (and (< 0 v_ULTIMATE.start_main_~i~0_9) (= v_ULTIMATE.start_main_~j~0_7 v_ULTIMATE.start_main_~N~0_6)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9, ULTIMATE.start_main_~N~0=v_ULTIMATE.start_main_~N~0_6} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9, ULTIMATE.start_main_~N~0=v_ULTIMATE.start_main_~N~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 62#L19-2 14.21/6.96 [2019-03-28 23:00:03,497 INFO L796 eck$LassoCheckResult]: Loop: 62#L19-2 [38] L19-2-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_5 (+ v_ULTIMATE.start_main_~j~0_6 (- 1))) (< 0 v_ULTIMATE.start_main_~j~0_6)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_6} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 62#L19-2 14.21/6.96 [2019-03-28 23:00:03,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.21/6.96 [2019-03-28 23:00:03,498 INFO L82 PathProgramCache]: Analyzing trace with hash 2048, now seen corresponding path program 1 times 14.21/6.96 [2019-03-28 23:00:03,498 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.21/6.96 [2019-03-28 23:00:03,498 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.21/6.96 [2019-03-28 23:00:03,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.21/6.96 [2019-03-28 23:00:03,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.21/6.96 [2019-03-28 23:00:03,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.21/6.96 [2019-03-28 23:00:03,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.21/6.96 [2019-03-28 23:00:03,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.21/6.96 [2019-03-28 23:00:03,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.21/6.96 [2019-03-28 23:00:03,505 INFO L82 PathProgramCache]: Analyzing trace with hash 69, now seen corresponding path program 1 times 14.21/6.96 [2019-03-28 23:00:03,505 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.21/6.96 [2019-03-28 23:00:03,505 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.21/6.96 [2019-03-28 23:00:03,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.21/6.96 [2019-03-28 23:00:03,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.21/6.96 [2019-03-28 23:00:03,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.21/6.96 [2019-03-28 23:00:03,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.21/6.96 [2019-03-28 23:00:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.21/6.96 [2019-03-28 23:00:03,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.21/6.96 [2019-03-28 23:00:03,510 INFO L82 PathProgramCache]: Analyzing trace with hash 63526, now seen corresponding path program 1 times 14.21/6.96 [2019-03-28 23:00:03,511 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.21/6.96 [2019-03-28 23:00:03,511 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.21/6.96 [2019-03-28 23:00:03,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.21/6.96 [2019-03-28 23:00:03,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.21/6.96 [2019-03-28 23:00:03,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.21/6.96 [2019-03-28 23:00:03,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.21/6.96 [2019-03-28 23:00:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.21/6.96 [2019-03-28 23:00:03,529 INFO L216 LassoAnalysis]: Preferences: 14.21/6.96 [2019-03-28 23:00:03,529 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.21/6.96 [2019-03-28 23:00:03,529 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.21/6.96 [2019-03-28 23:00:03,529 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.21/6.96 [2019-03-28 23:00:03,529 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.21/6.96 [2019-03-28 23:00:03,529 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.21/6.96 [2019-03-28 23:00:03,530 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.21/6.96 [2019-03-28 23:00:03,530 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.21/6.96 [2019-03-28 23:00:03,530 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 14.21/6.96 [2019-03-28 23:00:03,530 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.21/6.96 [2019-03-28 23:00:03,530 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.21/6.96 [2019-03-28 23:00:03,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.21/6.96 [2019-03-28 23:00:03,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.21/6.96 [2019-03-28 23:00:03,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.21/6.96 [2019-03-28 23:00:03,572 INFO L300 LassoAnalysis]: Preprocessing complete. 14.21/6.96 [2019-03-28 23:00:03,572 INFO L412 LassoAnalysis]: Checking for nontermination... 14.21/6.96 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.21/6.96 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.21/6.96 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.21/6.96 [2019-03-28 23:00:03,575 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.21/6.96 [2019-03-28 23:00:03,575 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.21/6.96 [2019-03-28 23:00:03,602 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.21/6.96 [2019-03-28 23:00:03,603 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: [] 14.21/6.96 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.21/6.96 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.21/6.96 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.21/6.96 [2019-03-28 23:00:03,607 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.21/6.96 [2019-03-28 23:00:03,608 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.21/6.96 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.21/6.96 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.21/6.96 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.21/6.96 [2019-03-28 23:00:03,640 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.21/6.96 [2019-03-28 23:00:03,640 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.21/6.96 [2019-03-28 23:00:03,670 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.21/6.96 [2019-03-28 23:00:03,673 INFO L216 LassoAnalysis]: Preferences: 14.21/6.96 [2019-03-28 23:00:03,673 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.21/6.96 [2019-03-28 23:00:03,673 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.21/6.96 [2019-03-28 23:00:03,673 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.21/6.96 [2019-03-28 23:00:03,673 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.21/6.96 [2019-03-28 23:00:03,673 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.21/6.96 [2019-03-28 23:00:03,674 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.21/6.96 [2019-03-28 23:00:03,674 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.21/6.96 [2019-03-28 23:00:03,674 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 14.21/6.96 [2019-03-28 23:00:03,674 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.21/6.96 [2019-03-28 23:00:03,674 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.21/6.96 [2019-03-28 23:00:03,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.21/6.96 [2019-03-28 23:00:03,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.21/6.96 [2019-03-28 23:00:03,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.21/6.96 [2019-03-28 23:00:03,731 INFO L300 LassoAnalysis]: Preprocessing complete. 14.21/6.96 [2019-03-28 23:00:03,731 INFO L497 LassoAnalysis]: Using template 'affine'. 14.21/6.96 [2019-03-28 23:00:03,732 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.21/6.96 Termination analysis: LINEAR_WITH_GUESSES 14.21/6.96 Number of strict supporting invariants: 0 14.21/6.96 Number of non-strict supporting invariants: 1 14.21/6.96 Consider only non-deceasing supporting invariants: true 14.21/6.96 Simplify termination arguments: true 14.21/6.96 Simplify supporting invariants: trueOverapproximate stem: false 14.21/6.96 [2019-03-28 23:00:03,732 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.21/6.96 [2019-03-28 23:00:03,733 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.21/6.96 [2019-03-28 23:00:03,733 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.21/6.96 [2019-03-28 23:00:03,733 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.21/6.96 [2019-03-28 23:00:03,733 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.21/6.96 [2019-03-28 23:00:03,734 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.21/6.96 [2019-03-28 23:00:03,734 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.21/6.96 [2019-03-28 23:00:03,739 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.21/6.96 [2019-03-28 23:00:03,741 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 14.21/6.96 [2019-03-28 23:00:03,742 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 14.21/6.96 [2019-03-28 23:00:03,742 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.21/6.96 [2019-03-28 23:00:03,742 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.21/6.96 [2019-03-28 23:00:03,742 INFO L518 LassoAnalysis]: Proved termination. 14.21/6.96 [2019-03-28 23:00:03,743 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.21/6.96 Ranking function f(ULTIMATE.start_main_~j~0) = 1*ULTIMATE.start_main_~j~0 14.21/6.96 Supporting invariants [] 14.21/6.96 [2019-03-28 23:00:03,744 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.21/6.96 [2019-03-28 23:00:03,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.21/6.96 [2019-03-28 23:00:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.21/6.96 [2019-03-28 23:00:03,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core 14.21/6.96 [2019-03-28 23:00:03,768 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.21/6.96 [2019-03-28 23:00:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.21/6.96 [2019-03-28 23:00:03,773 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core 14.21/6.96 [2019-03-28 23:00:03,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.21/6.96 [2019-03-28 23:00:03,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.21/6.96 [2019-03-28 23:00:03,774 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 14.21/6.96 [2019-03-28 23:00:03,774 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 14.21/6.96 [2019-03-28 23:00:03,775 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 6 states and 9 transitions. cyclomatic complexity: 5 Second operand 2 states. 14.21/6.96 [2019-03-28 23:00:03,788 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 6 states and 9 transitions. cyclomatic complexity: 5. Second operand 2 states. Result 8 states and 11 transitions. Complement of second has 4 states. 14.21/6.96 [2019-03-28 23:00:03,788 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 14.21/6.96 [2019-03-28 23:00:03,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 14.21/6.96 [2019-03-28 23:00:03,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. 14.21/6.96 [2019-03-28 23:00:03,789 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 2 letters. Loop has 1 letters. 14.21/6.96 [2019-03-28 23:00:03,789 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.21/6.96 [2019-03-28 23:00:03,789 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 1 letters. 14.21/6.96 [2019-03-28 23:00:03,790 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.21/6.96 [2019-03-28 23:00:03,790 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 2 letters. Loop has 2 letters. 14.21/6.96 [2019-03-28 23:00:03,790 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.21/6.96 [2019-03-28 23:00:03,791 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 11 transitions. 14.21/6.96 [2019-03-28 23:00:03,792 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.21/6.96 [2019-03-28 23:00:03,793 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 0 states and 0 transitions. 14.21/6.96 [2019-03-28 23:00:03,793 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 14.21/6.96 [2019-03-28 23:00:03,793 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 14.21/6.96 [2019-03-28 23:00:03,793 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 14.21/6.96 [2019-03-28 23:00:03,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 14.21/6.96 [2019-03-28 23:00:03,793 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.21/6.96 [2019-03-28 23:00:03,793 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.21/6.96 [2019-03-28 23:00:03,793 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.21/6.96 [2019-03-28 23:00:03,794 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 14.21/6.96 [2019-03-28 23:00:03,794 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 14.21/6.96 [2019-03-28 23:00:03,794 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.21/6.96 [2019-03-28 23:00:03,794 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 14.21/6.96 [2019-03-28 23:00:03,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:00:03 BasicIcfg 14.21/6.96 [2019-03-28 23:00:03,800 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 14.21/6.96 [2019-03-28 23:00:03,801 INFO L168 Benchmark]: Toolchain (without parser) took 2016.31 ms. Allocated memory is still 649.6 MB. Free memory was 564.1 MB in the beginning and 453.6 MB in the end (delta: 110.5 MB). Peak memory consumption was 110.5 MB. Max. memory is 50.3 GB. 14.21/6.96 [2019-03-28 23:00:03,802 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.21/6.96 [2019-03-28 23:00:03,803 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.20 ms. Allocated memory is still 649.6 MB. Free memory was 562.8 MB in the beginning and 617.0 MB in the end (delta: -54.2 MB). Peak memory consumption was 30.0 MB. Max. memory is 50.3 GB. 14.21/6.96 [2019-03-28 23:00:03,803 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.33 ms. Allocated memory is still 649.6 MB. Free memory was 617.0 MB in the beginning and 615.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 14.21/6.96 [2019-03-28 23:00:03,804 INFO L168 Benchmark]: Boogie Preprocessor took 20.83 ms. Allocated memory is still 649.6 MB. Free memory was 615.7 MB in the beginning and 612.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 14.21/6.96 [2019-03-28 23:00:03,805 INFO L168 Benchmark]: RCFGBuilder took 199.21 ms. Allocated memory is still 649.6 MB. Free memory was 612.6 MB in the beginning and 599.5 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 50.3 GB. 14.21/6.96 [2019-03-28 23:00:03,805 INFO L168 Benchmark]: BlockEncodingV2 took 81.59 ms. Allocated memory is still 649.6 MB. Free memory was 599.5 MB in the beginning and 595.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 50.3 GB. 14.21/6.96 [2019-03-28 23:00:03,806 INFO L168 Benchmark]: TraceAbstraction took 168.08 ms. Allocated memory is still 649.6 MB. Free memory was 594.1 MB in the beginning and 585.9 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 50.3 GB. 14.21/6.96 [2019-03-28 23:00:03,806 INFO L168 Benchmark]: BuchiAutomizer took 1215.89 ms. Allocated memory is still 649.6 MB. Free memory was 585.9 MB in the beginning and 453.6 MB in the end (delta: 132.3 MB). Peak memory consumption was 132.3 MB. Max. memory is 50.3 GB. 14.21/6.96 [2019-03-28 23:00:03,810 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 14.21/6.96 --- Results --- 14.21/6.96 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 14.21/6.96 - StatisticsResult: Initial Icfg 14.21/6.96 8 locations, 11 edges 14.21/6.96 - StatisticsResult: Encoded RCFG 14.21/6.96 3 locations, 4 edges 14.21/6.96 * Results from de.uni_freiburg.informatik.ultimate.core: 14.21/6.96 - StatisticsResult: Toolchain Benchmarks 14.21/6.96 Benchmark results are: 14.21/6.96 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.21/6.96 * CACSL2BoogieTranslator took 287.20 ms. Allocated memory is still 649.6 MB. Free memory was 562.8 MB in the beginning and 617.0 MB in the end (delta: -54.2 MB). Peak memory consumption was 30.0 MB. Max. memory is 50.3 GB. 14.21/6.96 * Boogie Procedure Inliner took 37.33 ms. Allocated memory is still 649.6 MB. Free memory was 617.0 MB in the beginning and 615.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 14.21/6.96 * Boogie Preprocessor took 20.83 ms. Allocated memory is still 649.6 MB. Free memory was 615.7 MB in the beginning and 612.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 14.21/6.96 * RCFGBuilder took 199.21 ms. Allocated memory is still 649.6 MB. Free memory was 612.6 MB in the beginning and 599.5 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 50.3 GB. 14.21/6.96 * BlockEncodingV2 took 81.59 ms. Allocated memory is still 649.6 MB. Free memory was 599.5 MB in the beginning and 595.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 50.3 GB. 14.21/6.96 * TraceAbstraction took 168.08 ms. Allocated memory is still 649.6 MB. Free memory was 594.1 MB in the beginning and 585.9 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 50.3 GB. 14.21/6.96 * BuchiAutomizer took 1215.89 ms. Allocated memory is still 649.6 MB. Free memory was 585.9 MB in the beginning and 453.6 MB in the end (delta: 132.3 MB). Peak memory consumption was 132.3 MB. Max. memory is 50.3 GB. 14.21/6.96 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 14.21/6.96 - AllSpecificationsHoldResult: All specifications hold 14.21/6.96 We were not able to verify any specifiation because the program does not contain any specification. 14.21/6.96 - InvariantResult [Line: 17]: Loop Invariant 14.21/6.96 Derived loop invariant: 1 14.21/6.96 - InvariantResult [Line: 19]: Loop Invariant 14.21/6.96 Derived loop invariant: 1 14.21/6.96 - StatisticsResult: Ultimate Automizer benchmark data 14.21/6.96 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 14.21/6.96 - StatisticsResult: Constructed decomposition of program 14.21/6.96 Your program was decomposed into 3 terminating modules (1 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function i and consists of 3 locations. One nondeterministic module has affine ranking function j and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. 14.21/6.96 - StatisticsResult: Timing statistics 14.21/6.96 BüchiAutomizer plugin needed 1.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 11 SDtfs, 14 SDslu, 2 SDs, 0 SdLazy, 19 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax197 hnf100 lsp40 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 9ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s 14.21/6.96 - TerminationAnalysisResult: Termination proven 14.21/6.96 Buchi Automizer proved that your program is terminating 14.21/6.96 RESULT: Ultimate proved your program to be correct! 14.21/6.96 14.21/6.96 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 23:00:04.041 14.21/6.96 !MESSAGE The workspace will exit with unsaved changes in this session. 14.21/6.96 Received shutdown request... 14.21/6.96 Ultimate: 14.21/6.96 GTK+ Version Check 14.21/6.96 EOF