14.74/9.31 YES 14.74/9.31 14.81/9.31 Ultimate: Cannot open display: 14.81/9.31 This is Ultimate 0.1.24-8dc7c08-m 14.81/9.31 [2019-03-28 12:02:47,853 INFO L170 SettingsManager]: Resetting all preferences to default values... 14.81/9.31 [2019-03-28 12:02:47,855 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 14.81/9.31 [2019-03-28 12:02:47,867 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 14.81/9.31 [2019-03-28 12:02:47,867 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 14.81/9.31 [2019-03-28 12:02:47,868 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 14.81/9.31 [2019-03-28 12:02:47,869 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 14.81/9.31 [2019-03-28 12:02:47,871 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 14.81/9.31 [2019-03-28 12:02:47,872 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 14.81/9.31 [2019-03-28 12:02:47,873 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 14.81/9.31 [2019-03-28 12:02:47,874 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 14.81/9.31 [2019-03-28 12:02:47,874 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 14.81/9.31 [2019-03-28 12:02:47,875 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 14.81/9.31 [2019-03-28 12:02:47,876 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 14.81/9.31 [2019-03-28 12:02:47,877 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 14.81/9.31 [2019-03-28 12:02:47,878 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 14.81/9.31 [2019-03-28 12:02:47,879 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 14.81/9.31 [2019-03-28 12:02:47,880 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 14.81/9.31 [2019-03-28 12:02:47,882 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 14.81/9.31 [2019-03-28 12:02:47,884 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 14.81/9.31 [2019-03-28 12:02:47,885 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 14.81/9.31 [2019-03-28 12:02:47,886 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 14.81/9.31 [2019-03-28 12:02:47,888 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 14.81/9.31 [2019-03-28 12:02:47,888 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 14.81/9.31 [2019-03-28 12:02:47,888 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 14.81/9.31 [2019-03-28 12:02:47,889 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 14.81/9.31 [2019-03-28 12:02:47,890 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 14.81/9.31 [2019-03-28 12:02:47,890 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 14.81/9.31 [2019-03-28 12:02:47,891 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 14.81/9.31 [2019-03-28 12:02:47,891 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 14.81/9.31 [2019-03-28 12:02:47,892 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 14.81/9.31 [2019-03-28 12:02:47,893 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 14.81/9.31 [2019-03-28 12:02:47,894 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 14.81/9.31 [2019-03-28 12:02:47,894 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 14.81/9.31 [2019-03-28 12:02:47,895 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 14.81/9.31 [2019-03-28 12:02:47,895 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 14.81/9.31 [2019-03-28 12:02:47,895 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 14.81/9.31 [2019-03-28 12:02:47,896 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 14.81/9.31 [2019-03-28 12:02:47,897 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 14.81/9.31 [2019-03-28 12:02:47,897 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 14.81/9.31 [2019-03-28 12:02:47,911 INFO L110 SettingsManager]: Loading preferences was successful 14.81/9.31 [2019-03-28 12:02:47,912 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 14.81/9.31 [2019-03-28 12:02:47,913 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 14.81/9.31 [2019-03-28 12:02:47,913 INFO L133 SettingsManager]: * Rewrite not-equals=true 14.81/9.31 [2019-03-28 12:02:47,913 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 14.81/9.31 [2019-03-28 12:02:47,913 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 14.81/9.31 [2019-03-28 12:02:47,913 INFO L133 SettingsManager]: * Use SBE=true 14.81/9.31 [2019-03-28 12:02:47,914 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 14.81/9.31 [2019-03-28 12:02:47,914 INFO L133 SettingsManager]: * Use old map elimination=false 14.81/9.31 [2019-03-28 12:02:47,914 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 14.81/9.31 [2019-03-28 12:02:47,914 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 14.81/9.31 [2019-03-28 12:02:47,914 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 14.81/9.31 [2019-03-28 12:02:47,915 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 14.81/9.31 [2019-03-28 12:02:47,915 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 14.81/9.31 [2019-03-28 12:02:47,915 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.81/9.31 [2019-03-28 12:02:47,915 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 14.81/9.31 [2019-03-28 12:02:47,915 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 14.81/9.31 [2019-03-28 12:02:47,915 INFO L133 SettingsManager]: * Check division by zero=IGNORE 14.81/9.31 [2019-03-28 12:02:47,916 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 14.81/9.31 [2019-03-28 12:02:47,916 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 14.81/9.31 [2019-03-28 12:02:47,916 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 14.81/9.31 [2019-03-28 12:02:47,916 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 14.81/9.31 [2019-03-28 12:02:47,916 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 14.81/9.31 [2019-03-28 12:02:47,916 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 14.81/9.31 [2019-03-28 12:02:47,917 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.81/9.31 [2019-03-28 12:02:47,917 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 14.81/9.31 [2019-03-28 12:02:47,917 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 14.81/9.31 [2019-03-28 12:02:47,917 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 14.81/9.31 [2019-03-28 12:02:47,917 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 14.81/9.31 [2019-03-28 12:02:47,943 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 14.81/9.31 [2019-03-28 12:02:47,976 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 14.81/9.31 [2019-03-28 12:02:47,979 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 14.81/9.31 [2019-03-28 12:02:47,981 INFO L271 PluginConnector]: Initializing CDTParser... 14.81/9.31 [2019-03-28 12:02:47,981 INFO L276 PluginConnector]: CDTParser initialized 14.81/9.31 [2019-03-28 12:02:47,982 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 14.81/9.31 [2019-03-28 12:02:48,046 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/ebc3a6f284bb4b688c033ba3f54c336b/FLAG8b7372da2 14.81/9.31 !SESSION 2019-03-28 12:02:45.223 ----------------------------------------------- 14.81/9.31 eclipse.buildId=unknown 14.81/9.31 java.version=1.8.0_181 14.81/9.31 java.vendor=Oracle Corporation 14.81/9.31 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 14.81/9.31 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 14.81/9.31 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 14.81/9.31 14.81/9.31 !ENTRY org.eclipse.cdt.core 1 0 2019-03-28 12:02:50.285 14.81/9.31 !MESSAGE Indexed 'FLAG8b7372da2' (0 sources, 0 headers) in 0.007 sec: 0 declarations; 0 references; 0 unresolved inclusions; 0 syntax errors; 0 unresolved names (0%) 14.81/9.31 [2019-03-28 12:02:50,404 INFO L307 CDTParser]: Found 1 translation units. 14.81/9.31 [2019-03-28 12:02:50,405 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 14.81/9.31 [2019-03-28 12:02:50,412 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/ebc3a6f284bb4b688c033ba3f54c336b/FLAG8b7372da2 14.81/9.31 [2019-03-28 12:02:50,433 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/ebc3a6f284bb4b688c033ba3f54c336b 14.81/9.31 [2019-03-28 12:02:50,445 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 14.81/9.31 [2019-03-28 12:02:50,446 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 14.81/9.31 [2019-03-28 12:02:50,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 14.81/9.31 [2019-03-28 12:02:50,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 14.81/9.31 [2019-03-28 12:02:50,451 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 14.81/9.31 [2019-03-28 12:02:50,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:02:50" (1/1) ... 14.81/9.31 [2019-03-28 12:02:50,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ac1cf4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:02:50, skipping insertion in model container 14.81/9.31 [2019-03-28 12:02:50,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:02:50" (1/1) ... 14.81/9.31 [2019-03-28 12:02:50,463 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 14.81/9.31 [2019-03-28 12:02:50,480 INFO L176 MainTranslator]: Built tables and reachable declarations 14.81/9.31 [2019-03-28 12:02:50,637 INFO L206 PostProcessor]: Analyzing one entry point: main 14.81/9.31 [2019-03-28 12:02:50,642 INFO L191 MainTranslator]: Completed pre-run 14.81/9.31 [2019-03-28 12:02:50,658 INFO L206 PostProcessor]: Analyzing one entry point: main 14.81/9.31 [2019-03-28 12:02:50,735 INFO L195 MainTranslator]: Completed translation 14.81/9.31 [2019-03-28 12:02:50,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:02:50 WrapperNode 14.81/9.31 [2019-03-28 12:02:50,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 14.81/9.31 [2019-03-28 12:02:50,740 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 14.81/9.31 [2019-03-28 12:02:50,740 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 14.81/9.31 [2019-03-28 12:02:50,740 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 14.81/9.31 [2019-03-28 12:02:50,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:02:50" (1/1) ... 14.81/9.31 [2019-03-28 12:02:50,759 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:02:50" (1/1) ... 14.81/9.31 [2019-03-28 12:02:50,779 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 14.81/9.31 [2019-03-28 12:02:50,780 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 14.81/9.31 [2019-03-28 12:02:50,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 14.81/9.31 [2019-03-28 12:02:50,780 INFO L276 PluginConnector]: Boogie Preprocessor initialized 14.81/9.31 [2019-03-28 12:02:50,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:02:50" (1/1) ... 14.81/9.31 [2019-03-28 12:02:50,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:02:50" (1/1) ... 14.81/9.31 [2019-03-28 12:02:50,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:02:50" (1/1) ... 14.81/9.31 [2019-03-28 12:02:50,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:02:50" (1/1) ... 14.81/9.31 [2019-03-28 12:02:50,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:02:50" (1/1) ... 14.81/9.31 [2019-03-28 12:02:50,798 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:02:50" (1/1) ... 14.81/9.31 [2019-03-28 12:02:50,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:02:50" (1/1) ... 14.81/9.31 [2019-03-28 12:02:50,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 14.81/9.31 [2019-03-28 12:02:50,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 14.81/9.31 [2019-03-28 12:02:50,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... 14.81/9.31 [2019-03-28 12:02:50,801 INFO L276 PluginConnector]: RCFGBuilder initialized 14.81/9.31 [2019-03-28 12:02:50,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:02:50" (1/1) ... 14.81/9.31 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.81/9.31 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 14.81/9.31 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.81/9.31 [2019-03-28 12:02:50,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 14.81/9.31 [2019-03-28 12:02:50,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 14.81/9.31 [2019-03-28 12:02:51,000 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 14.81/9.31 [2019-03-28 12:02:51,000 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 14.81/9.31 [2019-03-28 12:02:51,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:02:51 BoogieIcfgContainer 14.81/9.31 [2019-03-28 12:02:51,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 14.81/9.31 [2019-03-28 12:02:51,002 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 14.81/9.31 [2019-03-28 12:02:51,002 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 14.81/9.31 [2019-03-28 12:02:51,005 INFO L276 PluginConnector]: BlockEncodingV2 initialized 14.81/9.31 [2019-03-28 12:02:51,006 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:02:51" (1/1) ... 14.81/9.31 [2019-03-28 12:02:51,021 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 8 edges 14.81/9.31 [2019-03-28 12:02:51,023 INFO L258 BlockEncoder]: Using Remove infeasible edges 14.81/9.31 [2019-03-28 12:02:51,024 INFO L263 BlockEncoder]: Using Maximize final states 14.81/9.31 [2019-03-28 12:02:51,024 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 14.81/9.31 [2019-03-28 12:02:51,025 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 14.81/9.31 [2019-03-28 12:02:51,027 INFO L296 BlockEncoder]: Using Remove sink states 14.81/9.31 [2019-03-28 12:02:51,028 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 14.81/9.31 [2019-03-28 12:02:51,028 INFO L179 BlockEncoder]: Using Rewrite not-equals 14.81/9.31 [2019-03-28 12:02:51,044 INFO L185 BlockEncoder]: Using Use SBE 14.81/9.31 [2019-03-28 12:02:51,060 INFO L200 BlockEncoder]: SBE split 2 edges 14.81/9.31 [2019-03-28 12:02:51,065 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 14.81/9.31 [2019-03-28 12:02:51,067 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.81/9.31 [2019-03-28 12:02:51,075 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding 14.81/9.31 [2019-03-28 12:02:51,077 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 14.81/9.31 [2019-03-28 12:02:51,078 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 14.81/9.31 [2019-03-28 12:02:51,079 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.81/9.31 [2019-03-28 12:02:51,079 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 14.81/9.31 [2019-03-28 12:02:51,079 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 14.81/9.31 [2019-03-28 12:02:51,079 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 5 edges 14.81/9.31 [2019-03-28 12:02:51,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:02:51 BasicIcfg 14.81/9.31 [2019-03-28 12:02:51,080 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 14.81/9.31 [2019-03-28 12:02:51,081 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 14.81/9.31 [2019-03-28 12:02:51,081 INFO L271 PluginConnector]: Initializing TraceAbstraction... 14.81/9.31 [2019-03-28 12:02:51,084 INFO L276 PluginConnector]: TraceAbstraction initialized 14.81/9.31 [2019-03-28 12:02:51,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:02:50" (1/4) ... 14.81/9.31 [2019-03-28 12:02:51,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b4bea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:02:51, skipping insertion in model container 14.81/9.31 [2019-03-28 12:02:51,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:02:50" (2/4) ... 14.81/9.31 [2019-03-28 12:02:51,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b4bea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:02:51, skipping insertion in model container 14.81/9.31 [2019-03-28 12:02:51,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:02:51" (3/4) ... 14.81/9.31 [2019-03-28 12:02:51,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b4bea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:02:51, skipping insertion in model container 14.81/9.31 [2019-03-28 12:02:51,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:02:51" (4/4) ... 14.81/9.31 [2019-03-28 12:02:51,088 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.81/9.31 [2019-03-28 12:02:51,098 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 14.81/9.31 [2019-03-28 12:02:51,106 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 14.81/9.31 [2019-03-28 12:02:51,123 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 14.81/9.31 [2019-03-28 12:02:51,152 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.81/9.31 [2019-03-28 12:02:51,152 INFO L382 AbstractCegarLoop]: Interprodecural is true 14.81/9.31 [2019-03-28 12:02:51,153 INFO L383 AbstractCegarLoop]: Hoare is true 14.81/9.31 [2019-03-28 12:02:51,153 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 14.81/9.31 [2019-03-28 12:02:51,153 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 14.81/9.31 [2019-03-28 12:02:51,153 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.81/9.31 [2019-03-28 12:02:51,153 INFO L387 AbstractCegarLoop]: Difference is false 14.81/9.31 [2019-03-28 12:02:51,153 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 14.81/9.31 [2019-03-28 12:02:51,154 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 14.81/9.31 [2019-03-28 12:02:51,168 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 14.81/9.31 [2019-03-28 12:02:51,173 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 14.81/9.31 [2019-03-28 12:02:51,176 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 14.81/9.31 [2019-03-28 12:02:51,225 INFO L448 ceAbstractionStarter]: For program point L16(lines 16 21) no Hoare annotation was computed. 14.81/9.31 [2019-03-28 12:02:51,226 INFO L451 ceAbstractionStarter]: At program point L16-2(lines 15 22) the Hoare annotation is: true 14.81/9.31 [2019-03-28 12:02:51,226 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 14.81/9.31 [2019-03-28 12:02:51,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:02:51 BasicIcfg 14.81/9.31 [2019-03-28 12:02:51,234 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 14.81/9.31 [2019-03-28 12:02:51,235 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 14.81/9.31 [2019-03-28 12:02:51,235 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 14.81/9.31 [2019-03-28 12:02:51,238 INFO L276 PluginConnector]: BuchiAutomizer initialized 14.81/9.31 [2019-03-28 12:02:51,239 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.81/9.31 [2019-03-28 12:02:51,239 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:02:50" (1/5) ... 14.81/9.31 [2019-03-28 12:02:51,240 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@263dc0fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:02:51, skipping insertion in model container 14.81/9.31 [2019-03-28 12:02:51,240 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.81/9.31 [2019-03-28 12:02:51,240 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:02:50" (2/5) ... 14.81/9.31 [2019-03-28 12:02:51,240 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@263dc0fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:02:51, skipping insertion in model container 14.81/9.31 [2019-03-28 12:02:51,240 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.81/9.31 [2019-03-28 12:02:51,241 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:02:51" (3/5) ... 14.81/9.31 [2019-03-28 12:02:51,241 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@263dc0fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:02:51, skipping insertion in model container 14.81/9.31 [2019-03-28 12:02:51,241 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.81/9.31 [2019-03-28 12:02:51,241 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:02:51" (4/5) ... 14.81/9.31 [2019-03-28 12:02:51,242 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@263dc0fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:02:51, skipping insertion in model container 14.81/9.31 [2019-03-28 12:02:51,242 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.81/9.31 [2019-03-28 12:02:51,242 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:02:51" (5/5) ... 14.81/9.31 [2019-03-28 12:02:51,243 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.81/9.31 [2019-03-28 12:02:51,270 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.81/9.31 [2019-03-28 12:02:51,270 INFO L374 BuchiCegarLoop]: Interprodecural is true 14.81/9.31 [2019-03-28 12:02:51,271 INFO L375 BuchiCegarLoop]: Hoare is true 14.81/9.31 [2019-03-28 12:02:51,271 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 14.81/9.31 [2019-03-28 12:02:51,271 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 14.81/9.31 [2019-03-28 12:02:51,271 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.81/9.31 [2019-03-28 12:02:51,271 INFO L379 BuchiCegarLoop]: Difference is false 14.81/9.31 [2019-03-28 12:02:51,271 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 14.81/9.31 [2019-03-28 12:02:51,271 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 14.81/9.31 [2019-03-28 12:02:51,274 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 14.81/9.31 [2019-03-28 12:02:51,291 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.81/9.31 [2019-03-28 12:02:51,292 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.81/9.31 [2019-03-28 12:02:51,292 INFO L119 BuchiIsEmpty]: Starting construction of run 14.81/9.31 [2019-03-28 12:02:51,299 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.81/9.31 [2019-03-28 12:02:51,299 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 14.81/9.31 [2019-03-28 12:02:51,299 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 14.81/9.31 [2019-03-28 12:02:51,299 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 14.81/9.31 [2019-03-28 12:02:51,300 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.81/9.31 [2019-03-28 12:02:51,300 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.81/9.31 [2019-03-28 12:02:51,300 INFO L119 BuchiIsEmpty]: Starting construction of run 14.81/9.31 [2019-03-28 12:02:51,300 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.81/9.31 [2019-03-28 12:02:51,300 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 14.81/9.31 [2019-03-28 12:02:51,305 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [22] ULTIMATE.startENTRY-->L16-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 5#L16-2true 14.81/9.31 [2019-03-28 12:02:51,306 INFO L796 eck$LassoCheckResult]: Loop: 5#L16-2true [29] L16-2-->L16: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_5) (< 0 v_ULTIMATE.start_main_~x~0_5)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[] 4#L16true [34] L16-->L16-2: Formula: (and (> 0 |v_ULTIMATE.start_main_#t~nondet2_3|) (= v_ULTIMATE.start_main_~x~0_6 (+ v_ULTIMATE.start_main_~x~0_7 (- 1)))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_3|} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~x~0] 5#L16-2true 14.81/9.31 [2019-03-28 12:02:51,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.81/9.31 [2019-03-28 12:02:51,312 INFO L82 PathProgramCache]: Analyzing trace with hash 53, now seen corresponding path program 1 times 14.81/9.31 [2019-03-28 12:02:51,314 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.81/9.31 [2019-03-28 12:02:51,315 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.81/9.31 [2019-03-28 12:02:51,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.81/9.31 [2019-03-28 12:02:51,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.81/9.31 [2019-03-28 12:02:51,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.81/9.31 [2019-03-28 12:02:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.81/9.31 [2019-03-28 12:02:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.81/9.31 [2019-03-28 12:02:51,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.81/9.31 [2019-03-28 12:02:51,377 INFO L82 PathProgramCache]: Analyzing trace with hash 1894, now seen corresponding path program 1 times 14.81/9.31 [2019-03-28 12:02:51,377 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.81/9.31 [2019-03-28 12:02:51,378 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.81/9.31 [2019-03-28 12:02:51,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.81/9.31 [2019-03-28 12:02:51,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.81/9.31 [2019-03-28 12:02:51,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.81/9.31 [2019-03-28 12:02:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.81/9.31 [2019-03-28 12:02:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.81/9.31 [2019-03-28 12:02:51,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.81/9.31 [2019-03-28 12:02:51,397 INFO L82 PathProgramCache]: Analyzing trace with hash 51866, now seen corresponding path program 1 times 14.81/9.31 [2019-03-28 12:02:51,397 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.81/9.31 [2019-03-28 12:02:51,398 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.81/9.31 [2019-03-28 12:02:51,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.81/9.31 [2019-03-28 12:02:51,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.81/9.31 [2019-03-28 12:02:51,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.81/9.31 [2019-03-28 12:02:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.81/9.31 [2019-03-28 12:02:51,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.81/9.31 [2019-03-28 12:02:51,468 INFO L216 LassoAnalysis]: Preferences: 14.81/9.31 [2019-03-28 12:02:51,469 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.81/9.31 [2019-03-28 12:02:51,469 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.81/9.31 [2019-03-28 12:02:51,469 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.81/9.31 [2019-03-28 12:02:51,470 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.81/9.31 [2019-03-28 12:02:51,470 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.81/9.31 [2019-03-28 12:02:51,470 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.81/9.31 [2019-03-28 12:02:51,470 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.81/9.31 [2019-03-28 12:02:51,470 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.81/9.31 [2019-03-28 12:02:51,470 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.81/9.31 [2019-03-28 12:02:51,471 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.81/9.31 [2019-03-28 12:02:51,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.81/9.31 [2019-03-28 12:02:51,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.81/9.31 [2019-03-28 12:02:51,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.81/9.31 [2019-03-28 12:02:51,564 INFO L300 LassoAnalysis]: Preprocessing complete. 14.81/9.31 [2019-03-28 12:02:51,565 INFO L412 LassoAnalysis]: Checking for nontermination... 14.81/9.31 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.81/9.31 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.81/9.31 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.81/9.31 [2019-03-28 12:02:51,573 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.81/9.31 [2019-03-28 12:02:51,573 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.81/9.31 [2019-03-28 12:02:51,609 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.81/9.31 [2019-03-28 12:02:51,609 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=-1} Honda state: {ULTIMATE.start_main_#t~nondet2=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.81/9.31 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.81/9.31 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.81/9.31 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.81/9.31 [2019-03-28 12:02:51,615 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.81/9.31 [2019-03-28 12:02:51,615 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.81/9.31 [2019-03-28 12:02:51,643 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.81/9.31 [2019-03-28 12:02:51,643 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=1} Honda state: {ULTIMATE.start_main_~y~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.81/9.31 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.81/9.31 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.81/9.31 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.81/9.31 [2019-03-28 12:02:51,649 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.81/9.31 [2019-03-28 12:02:51,649 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.81/9.31 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.81/9.31 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.81/9.31 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.81/9.31 [2019-03-28 12:02:51,681 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.81/9.31 [2019-03-28 12:02:51,681 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.81/9.31 [2019-03-28 12:02:51,713 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.81/9.31 [2019-03-28 12:02:51,715 INFO L216 LassoAnalysis]: Preferences: 14.81/9.31 [2019-03-28 12:02:51,715 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.81/9.31 [2019-03-28 12:02:51,715 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.81/9.31 [2019-03-28 12:02:51,715 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.81/9.31 [2019-03-28 12:02:51,715 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.81/9.31 [2019-03-28 12:02:51,716 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.81/9.31 [2019-03-28 12:02:51,716 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.81/9.31 [2019-03-28 12:02:51,716 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.81/9.31 [2019-03-28 12:02:51,716 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.81/9.31 [2019-03-28 12:02:51,716 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.81/9.31 [2019-03-28 12:02:51,716 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.81/9.31 [2019-03-28 12:02:51,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.81/9.31 [2019-03-28 12:02:51,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.81/9.31 [2019-03-28 12:02:51,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.81/9.31 [2019-03-28 12:02:51,787 INFO L300 LassoAnalysis]: Preprocessing complete. 14.81/9.31 [2019-03-28 12:02:51,793 INFO L497 LassoAnalysis]: Using template 'affine'. 14.81/9.31 [2019-03-28 12:02:51,795 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.81/9.31 Termination analysis: LINEAR_WITH_GUESSES 14.81/9.31 Number of strict supporting invariants: 0 14.81/9.31 Number of non-strict supporting invariants: 1 14.81/9.31 Consider only non-deceasing supporting invariants: true 14.81/9.31 Simplify termination arguments: true 14.81/9.31 Simplify supporting invariants: trueOverapproximate stem: false 14.81/9.31 [2019-03-28 12:02:51,797 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.81/9.31 [2019-03-28 12:02:51,797 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.81/9.31 [2019-03-28 12:02:51,798 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.81/9.31 [2019-03-28 12:02:51,798 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.81/9.31 [2019-03-28 12:02:51,798 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.81/9.31 [2019-03-28 12:02:51,800 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.81/9.31 [2019-03-28 12:02:51,800 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.81/9.31 [2019-03-28 12:02:51,808 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.81/9.31 [2019-03-28 12:02:51,808 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.81/9.31 Termination analysis: LINEAR_WITH_GUESSES 14.81/9.31 Number of strict supporting invariants: 0 14.81/9.31 Number of non-strict supporting invariants: 1 14.81/9.31 Consider only non-deceasing supporting invariants: true 14.81/9.31 Simplify termination arguments: true 14.81/9.31 Simplify supporting invariants: trueOverapproximate stem: false 14.81/9.31 [2019-03-28 12:02:51,809 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.81/9.31 [2019-03-28 12:02:51,809 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.81/9.31 [2019-03-28 12:02:51,809 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.81/9.31 [2019-03-28 12:02:51,810 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.81/9.31 [2019-03-28 12:02:51,810 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.81/9.31 [2019-03-28 12:02:51,810 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.81/9.31 [2019-03-28 12:02:51,811 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.81/9.31 [2019-03-28 12:02:51,812 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.81/9.31 [2019-03-28 12:02:51,813 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.81/9.31 Termination analysis: LINEAR_WITH_GUESSES 14.81/9.31 Number of strict supporting invariants: 0 14.81/9.31 Number of non-strict supporting invariants: 1 14.81/9.31 Consider only non-deceasing supporting invariants: true 14.81/9.31 Simplify termination arguments: true 14.81/9.31 Simplify supporting invariants: trueOverapproximate stem: false 14.81/9.31 [2019-03-28 12:02:51,814 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.81/9.31 [2019-03-28 12:02:51,814 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.81/9.31 [2019-03-28 12:02:51,814 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.81/9.31 [2019-03-28 12:02:51,814 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.81/9.31 [2019-03-28 12:02:51,814 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.81/9.31 [2019-03-28 12:02:51,815 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.81/9.31 [2019-03-28 12:02:51,815 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.81/9.31 [2019-03-28 12:02:51,821 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.81/9.31 [2019-03-28 12:02:51,825 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 14.81/9.31 [2019-03-28 12:02:51,825 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 14.81/9.31 [2019-03-28 12:02:51,827 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.81/9.31 [2019-03-28 12:02:51,827 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.81/9.31 [2019-03-28 12:02:51,827 INFO L518 LassoAnalysis]: Proved termination. 14.81/9.31 [2019-03-28 12:02:51,828 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.81/9.31 Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 14.81/9.31 Supporting invariants [] 14.81/9.31 [2019-03-28 12:02:51,829 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.81/9.31 [2019-03-28 12:02:51,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.81/9.31 [2019-03-28 12:02:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.81/9.31 [2019-03-28 12:02:51,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 14.81/9.31 [2019-03-28 12:02:51,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.81/9.31 [2019-03-28 12:02:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.81/9.31 [2019-03-28 12:02:51,880 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core 14.81/9.31 [2019-03-28 12:02:51,881 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.81/9.31 [2019-03-28 12:02:51,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.81/9.31 [2019-03-28 12:02:51,934 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 14.81/9.31 [2019-03-28 12:02:51,939 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 14.81/9.31 [2019-03-28 12:02:51,941 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 14.81/9.31 [2019-03-28 12:02:51,981 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 7 states and 12 transitions. Complement of second has 4 states. 14.81/9.31 [2019-03-28 12:02:51,982 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 14.81/9.31 [2019-03-28 12:02:51,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 14.81/9.31 [2019-03-28 12:02:51,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. 14.81/9.31 [2019-03-28 12:02:51,986 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 1 letters. Loop has 2 letters. 14.81/9.31 [2019-03-28 12:02:51,988 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.81/9.31 [2019-03-28 12:02:51,988 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 2 letters. 14.81/9.31 [2019-03-28 12:02:51,988 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.81/9.31 [2019-03-28 12:02:51,988 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 1 letters. Loop has 4 letters. 14.81/9.31 [2019-03-28 12:02:51,988 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.81/9.31 [2019-03-28 12:02:51,995 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 12 transitions. 14.81/9.31 [2019-03-28 12:02:51,996 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.81/9.31 [2019-03-28 12:02:52,000 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 7 states and 12 transitions. 14.81/9.31 [2019-03-28 12:02:52,001 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 14.81/9.31 [2019-03-28 12:02:52,001 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 14.81/9.31 [2019-03-28 12:02:52,002 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 12 transitions. 14.81/9.31 [2019-03-28 12:02:52,002 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 14.81/9.31 [2019-03-28 12:02:52,002 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 12 transitions. 14.81/9.31 [2019-03-28 12:02:52,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 12 transitions. 14.81/9.31 [2019-03-28 12:02:52,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. 14.81/9.31 [2019-03-28 12:02:52,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 14.81/9.31 [2019-03-28 12:02:52,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 12 transitions. 14.81/9.31 [2019-03-28 12:02:52,032 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 12 transitions. 14.81/9.31 [2019-03-28 12:02:52,032 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 12 transitions. 14.81/9.31 [2019-03-28 12:02:52,032 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 14.81/9.31 [2019-03-28 12:02:52,033 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 12 transitions. 14.81/9.31 [2019-03-28 12:02:52,033 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.81/9.31 [2019-03-28 12:02:52,033 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.81/9.31 [2019-03-28 12:02:52,033 INFO L119 BuchiIsEmpty]: Starting construction of run 14.81/9.31 [2019-03-28 12:02:52,034 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 14.81/9.31 [2019-03-28 12:02:52,034 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 14.81/9.31 [2019-03-28 12:02:52,034 INFO L794 eck$LassoCheckResult]: Stem: 47#ULTIMATE.startENTRY [22] ULTIMATE.startENTRY-->L16-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~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_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 48#L16-2 [29] L16-2-->L16: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_5) (< 0 v_ULTIMATE.start_main_~x~0_5)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[] 43#L16 [24] L16-->L16-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_6 (+ v_ULTIMATE.start_main_~y~0_7 (- 1))) (= 0 |v_ULTIMATE.start_main_#t~nondet2_5|) (= v_ULTIMATE.start_main_~x~0_8 |v_ULTIMATE.start_main_#t~nondet3_3|)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 44#L16-2 14.81/9.31 [2019-03-28 12:02:52,035 INFO L796 eck$LassoCheckResult]: Loop: 44#L16-2 [29] L16-2-->L16: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_5) (< 0 v_ULTIMATE.start_main_~x~0_5)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[] 49#L16 [34] L16-->L16-2: Formula: (and (> 0 |v_ULTIMATE.start_main_#t~nondet2_3|) (= v_ULTIMATE.start_main_~x~0_6 (+ v_ULTIMATE.start_main_~x~0_7 (- 1)))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_3|} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~x~0] 44#L16-2 14.81/9.31 [2019-03-28 12:02:52,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.81/9.31 [2019-03-28 12:02:52,035 INFO L82 PathProgramCache]: Analyzing trace with hash 51856, now seen corresponding path program 1 times 14.81/9.31 [2019-03-28 12:02:52,035 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.81/9.31 [2019-03-28 12:02:52,035 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.81/9.31 [2019-03-28 12:02:52,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.81/9.31 [2019-03-28 12:02:52,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.81/9.31 [2019-03-28 12:02:52,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.81/9.31 [2019-03-28 12:02:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.81/9.31 [2019-03-28 12:02:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.81/9.31 [2019-03-28 12:02:52,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.81/9.31 [2019-03-28 12:02:52,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1894, now seen corresponding path program 2 times 14.81/9.31 [2019-03-28 12:02:52,046 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.81/9.31 [2019-03-28 12:02:52,046 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.81/9.31 [2019-03-28 12:02:52,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.81/9.31 [2019-03-28 12:02:52,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.81/9.31 [2019-03-28 12:02:52,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.81/9.31 [2019-03-28 12:02:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.81/9.31 [2019-03-28 12:02:52,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.81/9.31 [2019-03-28 12:02:52,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.81/9.31 [2019-03-28 12:02:52,052 INFO L82 PathProgramCache]: Analyzing trace with hash 49834549, now seen corresponding path program 1 times 14.81/9.31 [2019-03-28 12:02:52,053 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.81/9.31 [2019-03-28 12:02:52,053 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.81/9.31 [2019-03-28 12:02:52,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.81/9.31 [2019-03-28 12:02:52,054 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 14.81/9.31 [2019-03-28 12:02:52,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.81/9.31 [2019-03-28 12:02:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.81/9.31 [2019-03-28 12:02:52,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.81/9.31 [2019-03-28 12:02:52,083 INFO L216 LassoAnalysis]: Preferences: 14.81/9.31 [2019-03-28 12:02:52,083 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.81/9.31 [2019-03-28 12:02:52,084 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.81/9.31 [2019-03-28 12:02:52,084 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.81/9.31 [2019-03-28 12:02:52,084 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.81/9.31 [2019-03-28 12:02:52,084 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.81/9.31 [2019-03-28 12:02:52,084 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.81/9.31 [2019-03-28 12:02:52,084 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.81/9.31 [2019-03-28 12:02:52,084 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 14.81/9.31 [2019-03-28 12:02:52,085 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.81/9.31 [2019-03-28 12:02:52,085 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.81/9.31 [2019-03-28 12:02:52,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.81/9.31 [2019-03-28 12:02:52,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.81/9.31 [2019-03-28 12:02:52,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.81/9.31 [2019-03-28 12:02:52,122 INFO L300 LassoAnalysis]: Preprocessing complete. 14.81/9.31 [2019-03-28 12:02:52,123 INFO L412 LassoAnalysis]: Checking for nontermination... 14.81/9.31 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.81/9.31 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.81/9.31 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.81/9.31 [2019-03-28 12:02:52,127 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.81/9.31 [2019-03-28 12:02:52,127 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.81/9.31 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.81/9.31 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.81/9.31 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.81/9.31 [2019-03-28 12:02:52,158 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.81/9.31 [2019-03-28 12:02:52,158 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.81/9.31 [2019-03-28 12:02:52,188 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.81/9.31 [2019-03-28 12:02:52,190 INFO L216 LassoAnalysis]: Preferences: 14.81/9.31 [2019-03-28 12:02:52,190 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.81/9.31 [2019-03-28 12:02:52,191 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.81/9.31 [2019-03-28 12:02:52,191 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.81/9.31 [2019-03-28 12:02:52,191 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.81/9.31 [2019-03-28 12:02:52,191 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.81/9.31 [2019-03-28 12:02:52,191 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.81/9.31 [2019-03-28 12:02:52,191 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.81/9.31 [2019-03-28 12:02:52,191 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 14.81/9.31 [2019-03-28 12:02:52,192 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.81/9.31 [2019-03-28 12:02:52,192 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.81/9.31 [2019-03-28 12:02:52,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.81/9.31 [2019-03-28 12:02:52,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.81/9.31 [2019-03-28 12:02:52,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.81/9.31 [2019-03-28 12:02:52,239 INFO L300 LassoAnalysis]: Preprocessing complete. 14.81/9.31 [2019-03-28 12:02:52,239 INFO L497 LassoAnalysis]: Using template 'affine'. 14.81/9.31 [2019-03-28 12:02:52,239 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.81/9.31 Termination analysis: LINEAR_WITH_GUESSES 14.81/9.31 Number of strict supporting invariants: 0 14.81/9.31 Number of non-strict supporting invariants: 1 14.81/9.31 Consider only non-deceasing supporting invariants: true 14.81/9.31 Simplify termination arguments: true 14.81/9.31 Simplify supporting invariants: trueOverapproximate stem: false 14.81/9.31 [2019-03-28 12:02:52,240 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.81/9.31 [2019-03-28 12:02:52,241 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.81/9.31 [2019-03-28 12:02:52,241 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.81/9.31 [2019-03-28 12:02:52,241 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.81/9.31 [2019-03-28 12:02:52,241 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.81/9.31 [2019-03-28 12:02:52,242 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.81/9.31 [2019-03-28 12:02:52,242 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.81/9.31 [2019-03-28 12:02:52,248 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.81/9.31 [2019-03-28 12:02:52,251 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 14.81/9.31 [2019-03-28 12:02:52,251 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 14.81/9.31 [2019-03-28 12:02:52,252 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.81/9.31 [2019-03-28 12:02:52,252 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.81/9.31 [2019-03-28 12:02:52,252 INFO L518 LassoAnalysis]: Proved termination. 14.81/9.31 [2019-03-28 12:02:52,252 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.81/9.31 Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 14.81/9.31 Supporting invariants [] 14.81/9.31 [2019-03-28 12:02:52,253 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.81/9.31 [2019-03-28 12:02:52,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.81/9.31 [2019-03-28 12:02:52,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.81/9.31 [2019-03-28 12:02:52,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core 14.81/9.31 [2019-03-28 12:02:52,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.81/9.31 [2019-03-28 12:02:52,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.81/9.31 [2019-03-28 12:02:52,283 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core 14.81/9.31 [2019-03-28 12:02:52,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.81/9.31 [2019-03-28 12:02:52,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.81/9.31 [2019-03-28 12:02:52,303 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 14.81/9.31 [2019-03-28 12:02:52,304 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 14.81/9.31 [2019-03-28 12:02:52,304 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 12 transitions. cyclomatic complexity: 7 Second operand 3 states. 14.81/9.31 [2019-03-28 12:02:52,324 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 7 states and 12 transitions. cyclomatic complexity: 7. Second operand 3 states. Result 9 states and 15 transitions. Complement of second has 4 states. 14.81/9.31 [2019-03-28 12:02:52,324 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 14.81/9.31 [2019-03-28 12:02:52,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 14.81/9.31 [2019-03-28 12:02:52,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. 14.81/9.31 [2019-03-28 12:02:52,325 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 2 letters. 14.81/9.31 [2019-03-28 12:02:52,326 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.81/9.31 [2019-03-28 12:02:52,326 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 5 letters. Loop has 2 letters. 14.81/9.31 [2019-03-28 12:02:52,326 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.81/9.31 [2019-03-28 12:02:52,326 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 4 letters. 14.81/9.31 [2019-03-28 12:02:52,327 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.81/9.31 [2019-03-28 12:02:52,328 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 15 transitions. 14.81/9.31 [2019-03-28 12:02:52,329 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 14.81/9.31 [2019-03-28 12:02:52,329 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 9 states and 15 transitions. 14.81/9.31 [2019-03-28 12:02:52,329 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 14.81/9.31 [2019-03-28 12:02:52,330 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 14.81/9.31 [2019-03-28 12:02:52,330 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 15 transitions. 14.81/9.31 [2019-03-28 12:02:52,330 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 14.81/9.31 [2019-03-28 12:02:52,330 INFO L706 BuchiCegarLoop]: Abstraction has 9 states and 15 transitions. 14.81/9.31 [2019-03-28 12:02:52,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 15 transitions. 14.81/9.31 [2019-03-28 12:02:52,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 5. 14.81/9.31 [2019-03-28 12:02:52,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 14.81/9.31 [2019-03-28 12:02:52,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 8 transitions. 14.81/9.31 [2019-03-28 12:02:52,332 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. 14.81/9.31 [2019-03-28 12:02:52,332 INFO L609 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. 14.81/9.31 [2019-03-28 12:02:52,332 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 14.81/9.31 [2019-03-28 12:02:52,332 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 8 transitions. 14.81/9.31 [2019-03-28 12:02:52,333 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 14.81/9.31 [2019-03-28 12:02:52,333 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.81/9.31 [2019-03-28 12:02:52,333 INFO L119 BuchiIsEmpty]: Starting construction of run 14.81/9.31 [2019-03-28 12:02:52,333 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.81/9.31 [2019-03-28 12:02:52,333 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 14.81/9.31 [2019-03-28 12:02:52,334 INFO L794 eck$LassoCheckResult]: Stem: 99#ULTIMATE.startENTRY [22] ULTIMATE.startENTRY-->L16-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 96#L16-2 14.81/9.31 [2019-03-28 12:02:52,334 INFO L796 eck$LassoCheckResult]: Loop: 96#L16-2 [29] L16-2-->L16: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_5) (< 0 v_ULTIMATE.start_main_~x~0_5)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[] 95#L16 [24] L16-->L16-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_6 (+ v_ULTIMATE.start_main_~y~0_7 (- 1))) (= 0 |v_ULTIMATE.start_main_#t~nondet2_5|) (= v_ULTIMATE.start_main_~x~0_8 |v_ULTIMATE.start_main_#t~nondet3_3|)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 96#L16-2 14.81/9.31 [2019-03-28 12:02:52,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.81/9.31 [2019-03-28 12:02:52,334 INFO L82 PathProgramCache]: Analyzing trace with hash 53, now seen corresponding path program 2 times 14.81/9.31 [2019-03-28 12:02:52,334 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.81/9.31 [2019-03-28 12:02:52,335 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.81/9.31 [2019-03-28 12:02:52,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.81/9.31 [2019-03-28 12:02:52,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.81/9.31 [2019-03-28 12:02:52,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.81/9.31 [2019-03-28 12:02:52,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.81/9.31 [2019-03-28 12:02:52,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.81/9.31 [2019-03-28 12:02:52,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.81/9.31 [2019-03-28 12:02:52,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1884, now seen corresponding path program 1 times 14.81/9.31 [2019-03-28 12:02:52,340 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.81/9.31 [2019-03-28 12:02:52,341 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.81/9.31 [2019-03-28 12:02:52,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.81/9.31 [2019-03-28 12:02:52,342 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 14.81/9.31 [2019-03-28 12:02:52,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.81/9.31 [2019-03-28 12:02:52,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.81/9.31 [2019-03-28 12:02:52,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.81/9.31 [2019-03-28 12:02:52,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.81/9.31 [2019-03-28 12:02:52,348 INFO L82 PathProgramCache]: Analyzing trace with hash 51856, now seen corresponding path program 2 times 14.81/9.31 [2019-03-28 12:02:52,348 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.81/9.31 [2019-03-28 12:02:52,348 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.81/9.31 [2019-03-28 12:02:52,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.81/9.31 [2019-03-28 12:02:52,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.81/9.31 [2019-03-28 12:02:52,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.81/9.31 [2019-03-28 12:02:52,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.81/9.31 [2019-03-28 12:02:52,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.81/9.31 [2019-03-28 12:02:52,386 INFO L216 LassoAnalysis]: Preferences: 14.81/9.31 [2019-03-28 12:02:52,386 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.81/9.31 [2019-03-28 12:02:52,387 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.81/9.31 [2019-03-28 12:02:52,387 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.81/9.31 [2019-03-28 12:02:52,387 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.81/9.31 [2019-03-28 12:02:52,387 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.81/9.31 [2019-03-28 12:02:52,387 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.81/9.31 [2019-03-28 12:02:52,387 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.81/9.31 [2019-03-28 12:02:52,387 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 14.81/9.31 [2019-03-28 12:02:52,388 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.81/9.31 [2019-03-28 12:02:52,388 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.81/9.31 [2019-03-28 12:02:52,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.81/9.31 [2019-03-28 12:02:52,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.81/9.31 [2019-03-28 12:02:52,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.81/9.31 [2019-03-28 12:02:52,463 INFO L300 LassoAnalysis]: Preprocessing complete. 14.81/9.31 [2019-03-28 12:02:52,463 INFO L412 LassoAnalysis]: Checking for nontermination... 14.81/9.31 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.81/9.31 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.81/9.31 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.81/9.31 [2019-03-28 12:02:52,469 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.81/9.31 [2019-03-28 12:02:52,469 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.81/9.31 [2019-03-28 12:02:52,473 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.81/9.31 [2019-03-28 12:02:52,474 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.81/9.31 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.81/9.31 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.81/9.31 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.81/9.31 [2019-03-28 12:02:52,503 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.81/9.31 [2019-03-28 12:02:52,504 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.81/9.31 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.81/9.31 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.81/9.31 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.81/9.31 [2019-03-28 12:02:52,536 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.81/9.31 [2019-03-28 12:02:52,537 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.81/9.31 [2019-03-28 12:02:52,566 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.81/9.31 [2019-03-28 12:02:52,568 INFO L216 LassoAnalysis]: Preferences: 14.81/9.31 [2019-03-28 12:02:52,569 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.81/9.31 [2019-03-28 12:02:52,569 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.81/9.31 [2019-03-28 12:02:52,569 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.81/9.31 [2019-03-28 12:02:52,569 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.81/9.31 [2019-03-28 12:02:52,569 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.81/9.31 [2019-03-28 12:02:52,569 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.81/9.31 [2019-03-28 12:02:52,570 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.81/9.31 [2019-03-28 12:02:52,570 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 14.81/9.31 [2019-03-28 12:02:52,570 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.81/9.31 [2019-03-28 12:02:52,570 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.81/9.31 [2019-03-28 12:02:52,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.81/9.31 [2019-03-28 12:02:52,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.81/9.31 [2019-03-28 12:02:52,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.81/9.31 [2019-03-28 12:02:52,633 INFO L300 LassoAnalysis]: Preprocessing complete. 14.81/9.31 [2019-03-28 12:02:52,633 INFO L497 LassoAnalysis]: Using template 'affine'. 14.81/9.31 [2019-03-28 12:02:52,634 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.81/9.31 Termination analysis: LINEAR_WITH_GUESSES 14.81/9.31 Number of strict supporting invariants: 0 14.81/9.31 Number of non-strict supporting invariants: 1 14.81/9.31 Consider only non-deceasing supporting invariants: true 14.81/9.31 Simplify termination arguments: true 14.81/9.31 Simplify supporting invariants: trueOverapproximate stem: false 14.81/9.31 [2019-03-28 12:02:52,635 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.81/9.31 [2019-03-28 12:02:52,635 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.81/9.31 [2019-03-28 12:02:52,635 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.81/9.31 [2019-03-28 12:02:52,635 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.81/9.31 [2019-03-28 12:02:52,635 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.81/9.31 [2019-03-28 12:02:52,636 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.81/9.31 [2019-03-28 12:02:52,636 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.81/9.31 [2019-03-28 12:02:52,637 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.81/9.31 [2019-03-28 12:02:52,638 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.81/9.31 Termination analysis: LINEAR_WITH_GUESSES 14.81/9.31 Number of strict supporting invariants: 0 14.81/9.31 Number of non-strict supporting invariants: 1 14.81/9.31 Consider only non-deceasing supporting invariants: true 14.81/9.31 Simplify termination arguments: true 14.81/9.31 Simplify supporting invariants: trueOverapproximate stem: false 14.81/9.31 [2019-03-28 12:02:52,638 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.81/9.31 [2019-03-28 12:02:52,639 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.81/9.31 [2019-03-28 12:02:52,639 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.81/9.31 [2019-03-28 12:02:52,639 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.81/9.31 [2019-03-28 12:02:52,639 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.81/9.31 [2019-03-28 12:02:52,640 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.81/9.31 [2019-03-28 12:02:52,640 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.81/9.31 [2019-03-28 12:02:52,645 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.81/9.31 [2019-03-28 12:02:52,648 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 14.81/9.31 [2019-03-28 12:02:52,648 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 14.81/9.31 [2019-03-28 12:02:52,648 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.81/9.31 [2019-03-28 12:02:52,649 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.81/9.31 [2019-03-28 12:02:52,649 INFO L518 LassoAnalysis]: Proved termination. 14.81/9.31 [2019-03-28 12:02:52,649 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.81/9.31 Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 14.81/9.31 Supporting invariants [] 14.81/9.31 [2019-03-28 12:02:52,649 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.81/9.31 [2019-03-28 12:02:52,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.81/9.31 [2019-03-28 12:02:52,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.81/9.31 [2019-03-28 12:02:52,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 14.81/9.31 [2019-03-28 12:02:52,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.81/9.31 [2019-03-28 12:02:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.81/9.31 [2019-03-28 12:02:52,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core 14.81/9.31 [2019-03-28 12:02:52,688 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.81/9.31 [2019-03-28 12:02:52,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.81/9.31 [2019-03-28 12:02:52,711 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 14.81/9.31 [2019-03-28 12:02:52,712 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 14.81/9.31 [2019-03-28 12:02:52,712 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states and 8 transitions. cyclomatic complexity: 4 Second operand 3 states. 14.81/9.31 [2019-03-28 12:02:52,738 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states and 8 transitions. cyclomatic complexity: 4. Second operand 3 states. Result 11 states and 20 transitions. Complement of second has 4 states. 14.81/9.31 [2019-03-28 12:02:52,738 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 14.81/9.31 [2019-03-28 12:02:52,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 14.81/9.31 [2019-03-28 12:02:52,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. 14.81/9.31 [2019-03-28 12:02:52,739 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 1 letters. Loop has 2 letters. 14.81/9.31 [2019-03-28 12:02:52,739 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.81/9.31 [2019-03-28 12:02:52,739 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 3 letters. Loop has 2 letters. 14.81/9.31 [2019-03-28 12:02:52,740 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.81/9.31 [2019-03-28 12:02:52,740 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 1 letters. Loop has 4 letters. 14.81/9.31 [2019-03-28 12:02:52,740 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.81/9.31 [2019-03-28 12:02:52,741 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 20 transitions. 14.81/9.31 [2019-03-28 12:02:52,742 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.81/9.31 [2019-03-28 12:02:52,742 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. 14.81/9.31 [2019-03-28 12:02:52,743 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 14.81/9.31 [2019-03-28 12:02:52,743 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 14.81/9.31 [2019-03-28 12:02:52,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 14.81/9.31 [2019-03-28 12:02:52,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 14.81/9.31 [2019-03-28 12:02:52,743 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.81/9.31 [2019-03-28 12:02:52,743 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.81/9.31 [2019-03-28 12:02:52,743 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.81/9.31 [2019-03-28 12:02:52,744 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 14.81/9.31 [2019-03-28 12:02:52,744 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 14.81/9.31 [2019-03-28 12:02:52,744 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.81/9.31 [2019-03-28 12:02:52,744 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 14.81/9.31 [2019-03-28 12:02:52,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:02:52 BasicIcfg 14.81/9.31 [2019-03-28 12:02:52,752 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 14.81/9.31 [2019-03-28 12:02:52,753 INFO L168 Benchmark]: Toolchain (without parser) took 2307.32 ms. Allocated memory was 649.6 MB in the beginning and 666.9 MB in the end (delta: 17.3 MB). Free memory was 565.2 MB in the beginning and 434.0 MB in the end (delta: 131.3 MB). Peak memory consumption was 148.6 MB. Max. memory is 50.3 GB. 14.81/9.31 [2019-03-28 12:02:52,755 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. 14.81/9.31 [2019-03-28 12:02:52,755 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.05 ms. Allocated memory was 649.6 MB in the beginning and 666.9 MB in the end (delta: 17.3 MB). Free memory was 565.2 MB in the beginning and 634.3 MB in the end (delta: -69.1 MB). Peak memory consumption was 30.2 MB. Max. memory is 50.3 GB. 14.81/9.31 [2019-03-28 12:02:52,756 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.58 ms. Allocated memory is still 666.9 MB. Free memory was 634.3 MB in the beginning and 633.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 14.81/9.31 [2019-03-28 12:02:52,756 INFO L168 Benchmark]: Boogie Preprocessor took 20.67 ms. Allocated memory is still 666.9 MB. Free memory was 633.0 MB in the beginning and 629.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 14.81/9.31 [2019-03-28 12:02:52,757 INFO L168 Benchmark]: RCFGBuilder took 201.23 ms. Allocated memory is still 666.9 MB. Free memory was 629.9 MB in the beginning and 616.9 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 50.3 GB. 14.81/9.31 [2019-03-28 12:02:52,758 INFO L168 Benchmark]: BlockEncodingV2 took 77.80 ms. Allocated memory is still 666.9 MB. Free memory was 616.9 MB in the beginning and 612.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 50.3 GB. 14.81/9.31 [2019-03-28 12:02:52,758 INFO L168 Benchmark]: TraceAbstraction took 153.11 ms. Allocated memory is still 666.9 MB. Free memory was 611.5 MB in the beginning and 603.4 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 14.81/9.31 [2019-03-28 12:02:52,759 INFO L168 Benchmark]: BuchiAutomizer took 1517.56 ms. Allocated memory is still 666.9 MB. Free memory was 603.4 MB in the beginning and 434.0 MB in the end (delta: 169.4 MB). Peak memory consumption was 169.4 MB. Max. memory is 50.3 GB. 14.81/9.31 [2019-03-28 12:02:52,763 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 14.81/9.31 --- Results --- 14.81/9.31 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 14.81/9.31 - StatisticsResult: Initial Icfg 14.81/9.31 6 locations, 8 edges 14.81/9.31 - StatisticsResult: Encoded RCFG 14.81/9.31 3 locations, 5 edges 14.81/9.31 * Results from de.uni_freiburg.informatik.ultimate.core: 14.81/9.31 - StatisticsResult: Toolchain Benchmarks 14.81/9.31 Benchmark results are: 14.81/9.31 * 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. 14.81/9.31 * CACSL2BoogieTranslator took 292.05 ms. Allocated memory was 649.6 MB in the beginning and 666.9 MB in the end (delta: 17.3 MB). Free memory was 565.2 MB in the beginning and 634.3 MB in the end (delta: -69.1 MB). Peak memory consumption was 30.2 MB. Max. memory is 50.3 GB. 14.81/9.31 * Boogie Procedure Inliner took 39.58 ms. Allocated memory is still 666.9 MB. Free memory was 634.3 MB in the beginning and 633.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 14.81/9.31 * Boogie Preprocessor took 20.67 ms. Allocated memory is still 666.9 MB. Free memory was 633.0 MB in the beginning and 629.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 14.81/9.31 * RCFGBuilder took 201.23 ms. Allocated memory is still 666.9 MB. Free memory was 629.9 MB in the beginning and 616.9 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 50.3 GB. 14.81/9.31 * BlockEncodingV2 took 77.80 ms. Allocated memory is still 666.9 MB. Free memory was 616.9 MB in the beginning and 612.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 50.3 GB. 14.81/9.31 * TraceAbstraction took 153.11 ms. Allocated memory is still 666.9 MB. Free memory was 611.5 MB in the beginning and 603.4 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 14.81/9.31 * BuchiAutomizer took 1517.56 ms. Allocated memory is still 666.9 MB. Free memory was 603.4 MB in the beginning and 434.0 MB in the end (delta: 169.4 MB). Peak memory consumption was 169.4 MB. Max. memory is 50.3 GB. 14.81/9.31 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 14.81/9.31 - AllSpecificationsHoldResult: All specifications hold 14.81/9.31 We were not able to verify any specifiation because the program does not contain any specification. 14.81/9.31 - InvariantResult [Line: 15]: Loop Invariant 14.81/9.31 Derived loop invariant: 1 14.81/9.31 - StatisticsResult: Ultimate Automizer benchmark data 14.81/9.31 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, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 14.81/9.31 - StatisticsResult: Constructed decomposition of program 14.81/9.31 Your program was decomposed into 3 terminating modules (0 trivial, 0 deterministic, 3 nondeterministic). One nondeterministic module has affine ranking function x and consists of 3 locations. One nondeterministic module has affine ranking function x and consists of 3 locations. One nondeterministic module has affine ranking function y and consists of 3 locations. 14.81/9.31 - StatisticsResult: Timing statistics 14.81/9.31 BüchiAutomizer plugin needed 1.4s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 11 SDtfs, 22 SDslu, 2 SDs, 0 SdLazy, 37 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax100 hnf100 lsp59 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 13ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s 14.81/9.31 - TerminationAnalysisResult: Termination proven 14.81/9.31 Buchi Automizer proved that your program is terminating 14.81/9.31 RESULT: Ultimate proved your program to be correct! 14.81/9.31 14.81/9.31 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:02:52.993 14.81/9.31 !MESSAGE The workspace will exit with unsaved changes in this session. 14.81/9.31 Received shutdown request... 14.81/9.31 Ultimate: 14.81/9.31 GTK+ Version Check 14.81/9.31 EOF