13.02/5.73 NO 13.02/5.73 13.02/5.73 Ultimate: Cannot open display: 13.02/5.73 This is Ultimate 0.1.24-8dc7c08-m 13.02/5.73 [2019-03-29 01:55:00,876 INFO L170 SettingsManager]: Resetting all preferences to default values... 13.02/5.73 [2019-03-29 01:55:00,879 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 13.02/5.73 [2019-03-29 01:55:00,890 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 13.02/5.73 [2019-03-29 01:55:00,891 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 13.02/5.73 [2019-03-29 01:55:00,892 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 13.02/5.73 [2019-03-29 01:55:00,893 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 13.02/5.73 [2019-03-29 01:55:00,894 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 13.02/5.73 [2019-03-29 01:55:00,896 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 13.02/5.73 [2019-03-29 01:55:00,897 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 13.02/5.73 [2019-03-29 01:55:00,898 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 13.02/5.73 [2019-03-29 01:55:00,898 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 13.02/5.73 [2019-03-29 01:55:00,899 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 13.02/5.73 [2019-03-29 01:55:00,900 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 13.02/5.73 [2019-03-29 01:55:00,901 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 13.02/5.73 [2019-03-29 01:55:00,901 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 13.02/5.73 [2019-03-29 01:55:00,902 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 13.02/5.73 [2019-03-29 01:55:00,904 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 13.02/5.73 [2019-03-29 01:55:00,906 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 13.02/5.73 [2019-03-29 01:55:00,908 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 13.02/5.73 [2019-03-29 01:55:00,909 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 13.02/5.73 [2019-03-29 01:55:00,910 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 13.02/5.73 [2019-03-29 01:55:00,912 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 13.02/5.73 [2019-03-29 01:55:00,912 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 13.02/5.73 [2019-03-29 01:55:00,913 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 13.02/5.73 [2019-03-29 01:55:00,913 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 13.02/5.73 [2019-03-29 01:55:00,914 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 13.02/5.73 [2019-03-29 01:55:00,915 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 13.02/5.73 [2019-03-29 01:55:00,915 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 13.02/5.73 [2019-03-29 01:55:00,915 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 13.02/5.73 [2019-03-29 01:55:00,916 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 13.02/5.73 [2019-03-29 01:55:00,917 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 13.02/5.73 [2019-03-29 01:55:00,918 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 13.02/5.73 [2019-03-29 01:55:00,918 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 13.02/5.73 [2019-03-29 01:55:00,919 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 13.02/5.73 [2019-03-29 01:55:00,919 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 13.02/5.73 [2019-03-29 01:55:00,919 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 13.02/5.73 [2019-03-29 01:55:00,920 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 13.02/5.73 [2019-03-29 01:55:00,921 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 13.02/5.73 [2019-03-29 01:55:00,921 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 13.02/5.73 [2019-03-29 01:55:00,936 INFO L110 SettingsManager]: Loading preferences was successful 13.02/5.73 [2019-03-29 01:55:00,936 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 13.02/5.73 [2019-03-29 01:55:00,937 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 13.02/5.73 [2019-03-29 01:55:00,938 INFO L133 SettingsManager]: * Rewrite not-equals=true 13.02/5.73 [2019-03-29 01:55:00,938 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 13.02/5.73 [2019-03-29 01:55:00,938 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 13.02/5.73 [2019-03-29 01:55:00,938 INFO L133 SettingsManager]: * Use SBE=true 13.02/5.73 [2019-03-29 01:55:00,938 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 13.02/5.73 [2019-03-29 01:55:00,939 INFO L133 SettingsManager]: * Use old map elimination=false 13.02/5.73 [2019-03-29 01:55:00,939 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 13.02/5.73 [2019-03-29 01:55:00,939 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 13.02/5.73 [2019-03-29 01:55:00,939 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 13.02/5.73 [2019-03-29 01:55:00,939 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 13.02/5.73 [2019-03-29 01:55:00,940 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 13.02/5.73 [2019-03-29 01:55:00,940 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.02/5.73 [2019-03-29 01:55:00,940 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 13.02/5.73 [2019-03-29 01:55:00,940 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 13.02/5.73 [2019-03-29 01:55:00,940 INFO L133 SettingsManager]: * Check division by zero=IGNORE 13.02/5.73 [2019-03-29 01:55:00,940 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 13.02/5.73 [2019-03-29 01:55:00,941 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 13.02/5.73 [2019-03-29 01:55:00,941 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 13.02/5.73 [2019-03-29 01:55:00,941 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 13.02/5.73 [2019-03-29 01:55:00,941 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 13.02/5.73 [2019-03-29 01:55:00,941 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 13.02/5.73 [2019-03-29 01:55:00,942 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.02/5.73 [2019-03-29 01:55:00,942 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 13.02/5.73 [2019-03-29 01:55:00,942 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 13.02/5.73 [2019-03-29 01:55:00,942 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 13.02/5.73 [2019-03-29 01:55:00,942 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 13.02/5.73 [2019-03-29 01:55:00,968 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 13.02/5.73 [2019-03-29 01:55:00,981 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 13.02/5.73 [2019-03-29 01:55:00,985 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 13.02/5.73 [2019-03-29 01:55:00,987 INFO L271 PluginConnector]: Initializing CDTParser... 13.02/5.73 [2019-03-29 01:55:00,987 INFO L276 PluginConnector]: CDTParser initialized 13.02/5.73 [2019-03-29 01:55:00,988 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 13.02/5.73 [2019-03-29 01:55:01,046 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/bafd5289a288491680af7d277bd64b07/FLAGd6463def1 13.02/5.73 [2019-03-29 01:55:01,407 INFO L307 CDTParser]: Found 1 translation units. 13.02/5.73 [2019-03-29 01:55:01,407 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 13.02/5.73 [2019-03-29 01:55:01,414 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/bafd5289a288491680af7d277bd64b07/FLAGd6463def1 13.02/5.73 [2019-03-29 01:55:01,824 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/bafd5289a288491680af7d277bd64b07 13.02/5.73 [2019-03-29 01:55:01,836 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 13.02/5.73 [2019-03-29 01:55:01,838 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 13.02/5.73 [2019-03-29 01:55:01,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 13.02/5.73 [2019-03-29 01:55:01,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 13.02/5.73 [2019-03-29 01:55:01,843 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 13.02/5.73 [2019-03-29 01:55:01,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:55:01" (1/1) ... 13.02/5.73 [2019-03-29 01:55:01,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33e065c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:01, skipping insertion in model container 13.02/5.73 [2019-03-29 01:55:01,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:55:01" (1/1) ... 13.02/5.73 [2019-03-29 01:55:01,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 13.02/5.73 [2019-03-29 01:55:01,872 INFO L176 MainTranslator]: Built tables and reachable declarations 13.02/5.73 [2019-03-29 01:55:02,029 INFO L206 PostProcessor]: Analyzing one entry point: main 13.02/5.73 [2019-03-29 01:55:02,035 INFO L191 MainTranslator]: Completed pre-run 13.02/5.73 [2019-03-29 01:55:02,051 INFO L206 PostProcessor]: Analyzing one entry point: main 13.02/5.73 [2019-03-29 01:55:02,067 INFO L195 MainTranslator]: Completed translation 13.02/5.73 [2019-03-29 01:55:02,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:02 WrapperNode 13.02/5.73 [2019-03-29 01:55:02,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 13.02/5.73 [2019-03-29 01:55:02,068 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 13.02/5.73 [2019-03-29 01:55:02,069 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 13.02/5.73 [2019-03-29 01:55:02,069 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 13.02/5.73 [2019-03-29 01:55:02,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:02" (1/1) ... 13.02/5.73 [2019-03-29 01:55:02,144 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:02" (1/1) ... 13.02/5.73 [2019-03-29 01:55:02,165 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 13.02/5.73 [2019-03-29 01:55:02,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 13.02/5.73 [2019-03-29 01:55:02,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 13.02/5.73 [2019-03-29 01:55:02,166 INFO L276 PluginConnector]: Boogie Preprocessor initialized 13.02/5.73 [2019-03-29 01:55:02,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:02" (1/1) ... 13.02/5.73 [2019-03-29 01:55:02,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:02" (1/1) ... 13.02/5.73 [2019-03-29 01:55:02,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:02" (1/1) ... 13.02/5.73 [2019-03-29 01:55:02,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:02" (1/1) ... 13.02/5.73 [2019-03-29 01:55:02,179 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:02" (1/1) ... 13.02/5.73 [2019-03-29 01:55:02,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:02" (1/1) ... 13.02/5.73 [2019-03-29 01:55:02,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:02" (1/1) ... 13.02/5.73 [2019-03-29 01:55:02,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 13.02/5.73 [2019-03-29 01:55:02,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 13.02/5.73 [2019-03-29 01:55:02,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... 13.02/5.73 [2019-03-29 01:55:02,187 INFO L276 PluginConnector]: RCFGBuilder initialized 13.02/5.73 [2019-03-29 01:55:02,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:02" (1/1) ... 13.02/5.73 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.02/5.73 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 13.02/5.73 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.02/5.73 [2019-03-29 01:55:02,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 13.02/5.73 [2019-03-29 01:55:02,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 13.02/5.73 [2019-03-29 01:55:02,399 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 13.02/5.73 [2019-03-29 01:55:02,399 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. 13.02/5.73 [2019-03-29 01:55:02,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:55:02 BoogieIcfgContainer 13.02/5.73 [2019-03-29 01:55:02,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 13.02/5.73 [2019-03-29 01:55:02,401 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 13.02/5.73 [2019-03-29 01:55:02,401 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 13.02/5.73 [2019-03-29 01:55:02,404 INFO L276 PluginConnector]: BlockEncodingV2 initialized 13.02/5.73 [2019-03-29 01:55:02,405 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:55:02" (1/1) ... 13.02/5.73 [2019-03-29 01:55:02,419 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges 13.02/5.73 [2019-03-29 01:55:02,421 INFO L258 BlockEncoder]: Using Remove infeasible edges 13.02/5.73 [2019-03-29 01:55:02,422 INFO L263 BlockEncoder]: Using Maximize final states 13.02/5.73 [2019-03-29 01:55:02,422 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 13.02/5.73 [2019-03-29 01:55:02,423 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 13.02/5.73 [2019-03-29 01:55:02,425 INFO L296 BlockEncoder]: Using Remove sink states 13.02/5.73 [2019-03-29 01:55:02,426 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 13.02/5.73 [2019-03-29 01:55:02,426 INFO L179 BlockEncoder]: Using Rewrite not-equals 13.02/5.73 [2019-03-29 01:55:02,440 INFO L185 BlockEncoder]: Using Use SBE 13.02/5.73 [2019-03-29 01:55:02,448 INFO L200 BlockEncoder]: SBE split 0 edges 13.02/5.73 [2019-03-29 01:55:02,453 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility 13.02/5.73 [2019-03-29 01:55:02,454 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.02/5.73 [2019-03-29 01:55:02,473 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding 13.02/5.73 [2019-03-29 01:55:02,476 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 13.02/5.73 [2019-03-29 01:55:02,477 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 13.02/5.73 [2019-03-29 01:55:02,477 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.02/5.73 [2019-03-29 01:55:02,478 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 13.02/5.73 [2019-03-29 01:55:02,478 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 13.02/5.73 [2019-03-29 01:55:02,478 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 13.02/5.73 [2019-03-29 01:55:02,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:55:02 BasicIcfg 13.02/5.73 [2019-03-29 01:55:02,479 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 13.02/5.73 [2019-03-29 01:55:02,480 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 13.02/5.73 [2019-03-29 01:55:02,480 INFO L271 PluginConnector]: Initializing TraceAbstraction... 13.02/5.73 [2019-03-29 01:55:02,483 INFO L276 PluginConnector]: TraceAbstraction initialized 13.02/5.73 [2019-03-29 01:55:02,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 01:55:01" (1/4) ... 13.02/5.73 [2019-03-29 01:55:02,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba03c9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:55:02, skipping insertion in model container 13.02/5.73 [2019-03-29 01:55:02,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:02" (2/4) ... 13.02/5.73 [2019-03-29 01:55:02,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba03c9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:55:02, skipping insertion in model container 13.02/5.73 [2019-03-29 01:55:02,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:55:02" (3/4) ... 13.02/5.73 [2019-03-29 01:55:02,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba03c9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:55:02, skipping insertion in model container 13.02/5.73 [2019-03-29 01:55:02,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:55:02" (4/4) ... 13.02/5.73 [2019-03-29 01:55:02,488 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.02/5.73 [2019-03-29 01:55:02,498 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 13.02/5.73 [2019-03-29 01:55:02,506 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 13.02/5.73 [2019-03-29 01:55:02,523 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 13.02/5.73 [2019-03-29 01:55:02,552 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.02/5.73 [2019-03-29 01:55:02,553 INFO L382 AbstractCegarLoop]: Interprodecural is true 13.02/5.73 [2019-03-29 01:55:02,553 INFO L383 AbstractCegarLoop]: Hoare is true 13.02/5.73 [2019-03-29 01:55:02,553 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 13.02/5.73 [2019-03-29 01:55:02,553 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 13.02/5.73 [2019-03-29 01:55:02,554 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.02/5.73 [2019-03-29 01:55:02,554 INFO L387 AbstractCegarLoop]: Difference is false 13.02/5.73 [2019-03-29 01:55:02,554 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 13.02/5.73 [2019-03-29 01:55:02,554 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 13.02/5.73 [2019-03-29 01:55:02,568 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 13.02/5.73 [2019-03-29 01:55:02,574 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 13.02/5.73 [2019-03-29 01:55:02,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 13.02/5.73 [2019-03-29 01:55:02,628 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 13.02/5.73 [2019-03-29 01:55:02,629 INFO L451 ceAbstractionStarter]: At program point L12-2(lines 12 14) the Hoare annotation is: true 13.02/5.73 [2019-03-29 01:55:02,639 INFO L451 ceAbstractionStarter]: At program point L10-2(lines 10 16) the Hoare annotation is: true 13.02/5.73 [2019-03-29 01:55:02,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:55:02 BasicIcfg 13.02/5.73 [2019-03-29 01:55:02,648 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 13.02/5.73 [2019-03-29 01:55:02,649 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 13.02/5.73 [2019-03-29 01:55:02,649 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 13.02/5.73 [2019-03-29 01:55:02,653 INFO L276 PluginConnector]: BuchiAutomizer initialized 13.02/5.73 [2019-03-29 01:55:02,654 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.02/5.73 [2019-03-29 01:55:02,654 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 01:55:01" (1/5) ... 13.02/5.73 [2019-03-29 01:55:02,655 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@547f8a0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:55:02, skipping insertion in model container 13.02/5.73 [2019-03-29 01:55:02,655 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.02/5.73 [2019-03-29 01:55:02,655 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:02" (2/5) ... 13.02/5.73 [2019-03-29 01:55:02,655 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@547f8a0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:55:02, skipping insertion in model container 13.02/5.73 [2019-03-29 01:55:02,655 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.02/5.73 [2019-03-29 01:55:02,656 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:55:02" (3/5) ... 13.02/5.73 [2019-03-29 01:55:02,656 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@547f8a0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:55:02, skipping insertion in model container 13.02/5.73 [2019-03-29 01:55:02,656 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.02/5.73 [2019-03-29 01:55:02,656 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:55:02" (4/5) ... 13.02/5.73 [2019-03-29 01:55:02,657 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@547f8a0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:55:02, skipping insertion in model container 13.02/5.73 [2019-03-29 01:55:02,657 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.02/5.73 [2019-03-29 01:55:02,657 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:55:02" (5/5) ... 13.02/5.73 [2019-03-29 01:55:02,658 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.02/5.73 [2019-03-29 01:55:02,686 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.02/5.73 [2019-03-29 01:55:02,686 INFO L374 BuchiCegarLoop]: Interprodecural is true 13.02/5.73 [2019-03-29 01:55:02,687 INFO L375 BuchiCegarLoop]: Hoare is true 13.02/5.73 [2019-03-29 01:55:02,687 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 13.02/5.73 [2019-03-29 01:55:02,687 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 13.02/5.73 [2019-03-29 01:55:02,687 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.02/5.73 [2019-03-29 01:55:02,687 INFO L379 BuchiCegarLoop]: Difference is false 13.02/5.73 [2019-03-29 01:55:02,687 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 13.02/5.73 [2019-03-29 01:55:02,687 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 13.02/5.73 [2019-03-29 01:55:02,691 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 13.02/5.73 [2019-03-29 01:55:02,709 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 13.02/5.73 [2019-03-29 01:55:02,710 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.02/5.73 [2019-03-29 01:55:02,710 INFO L119 BuchiIsEmpty]: Starting construction of run 13.02/5.73 [2019-03-29 01:55:02,715 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.02/5.73 [2019-03-29 01:55:02,715 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 13.02/5.73 [2019-03-29 01:55:02,716 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 13.02/5.73 [2019-03-29 01:55:02,716 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 13.02/5.73 [2019-03-29 01:55:02,716 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 13.02/5.73 [2019-03-29 01:55:02,716 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.02/5.73 [2019-03-29 01:55:02,717 INFO L119 BuchiIsEmpty]: Starting construction of run 13.02/5.73 [2019-03-29 01:55:02,717 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.02/5.73 [2019-03-29 01:55:02,717 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 13.02/5.73 [2019-03-29 01:55:02,722 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [34] ULTIMATE.startENTRY-->L10-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 0) InVars {} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 5#L10-2true 13.02/5.73 [2019-03-29 01:55:02,723 INFO L796 eck$LassoCheckResult]: Loop: 5#L10-2true [39] L10-2-->L12-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_9 100) (= v_ULTIMATE.start_main_~j~0_7 0)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 3#L12-2true [45] L12-2-->L10-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_12 v_ULTIMATE.start_main_~i~0_11) (<= 1 v_ULTIMATE.start_main_~j~0_8)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 5#L10-2true 13.02/5.73 [2019-03-29 01:55:02,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.02/5.73 [2019-03-29 01:55:02,729 INFO L82 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 1 times 13.02/5.73 [2019-03-29 01:55:02,731 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.02/5.73 [2019-03-29 01:55:02,732 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.02/5.73 [2019-03-29 01:55:02,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.02/5.73 [2019-03-29 01:55:02,763 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.02/5.73 [2019-03-29 01:55:02,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.02/5.73 [2019-03-29 01:55:02,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.02/5.73 [2019-03-29 01:55:02,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.02/5.73 [2019-03-29 01:55:02,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.02/5.73 [2019-03-29 01:55:02,805 INFO L82 PathProgramCache]: Analyzing trace with hash 2215, now seen corresponding path program 1 times 13.02/5.73 [2019-03-29 01:55:02,805 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.02/5.73 [2019-03-29 01:55:02,805 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.02/5.73 [2019-03-29 01:55:02,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.02/5.73 [2019-03-29 01:55:02,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.02/5.73 [2019-03-29 01:55:02,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.02/5.73 [2019-03-29 01:55:02,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.02/5.73 [2019-03-29 01:55:02,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.02/5.73 [2019-03-29 01:55:02,857 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 13.02/5.73 [2019-03-29 01:55:02,858 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 13.02/5.73 [2019-03-29 01:55:02,863 INFO L811 eck$LassoCheckResult]: loop already infeasible 13.02/5.73 [2019-03-29 01:55:02,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 13.02/5.73 [2019-03-29 01:55:02,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 13.02/5.73 [2019-03-29 01:55:02,880 INFO L87 Difference]: Start difference. First operand 3 states. Second operand 3 states. 13.02/5.73 [2019-03-29 01:55:02,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 13.02/5.73 [2019-03-29 01:55:02,905 INFO L93 Difference]: Finished difference Result 4 states and 5 transitions. 13.02/5.73 [2019-03-29 01:55:02,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 13.02/5.73 [2019-03-29 01:55:02,910 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4 states and 5 transitions. 13.02/5.73 [2019-03-29 01:55:02,910 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 13.02/5.73 [2019-03-29 01:55:02,914 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4 states to 4 states and 5 transitions. 13.02/5.73 [2019-03-29 01:55:02,916 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 13.02/5.73 [2019-03-29 01:55:02,916 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 13.02/5.73 [2019-03-29 01:55:02,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 5 transitions. 13.02/5.73 [2019-03-29 01:55:02,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 13.02/5.73 [2019-03-29 01:55:02,917 INFO L706 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. 13.02/5.73 [2019-03-29 01:55:02,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states and 5 transitions. 13.02/5.73 [2019-03-29 01:55:02,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. 13.02/5.73 [2019-03-29 01:55:02,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 13.02/5.73 [2019-03-29 01:55:02,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions. 13.02/5.73 [2019-03-29 01:55:02,948 INFO L729 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. 13.02/5.73 [2019-03-29 01:55:02,948 INFO L609 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. 13.02/5.73 [2019-03-29 01:55:02,948 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 13.02/5.73 [2019-03-29 01:55:02,948 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 5 transitions. 13.02/5.73 [2019-03-29 01:55:02,949 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 13.02/5.73 [2019-03-29 01:55:02,949 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.02/5.73 [2019-03-29 01:55:02,949 INFO L119 BuchiIsEmpty]: Starting construction of run 13.02/5.73 [2019-03-29 01:55:02,949 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.02/5.73 [2019-03-29 01:55:02,950 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 13.02/5.73 [2019-03-29 01:55:02,950 INFO L794 eck$LassoCheckResult]: Stem: 18#ULTIMATE.startENTRY [34] ULTIMATE.startENTRY-->L10-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 0) InVars {} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 19#L10-2 13.02/5.73 [2019-03-29 01:55:02,950 INFO L796 eck$LassoCheckResult]: Loop: 19#L10-2 [39] L10-2-->L12-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_9 100) (= v_ULTIMATE.start_main_~j~0_7 0)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 16#L12-2 [33] L12-2-->L12-2: Formula: (and (< v_ULTIMATE.start_main_~j~0_6 1) (= v_ULTIMATE.start_main_~j~0_5 (+ v_ULTIMATE.start_main_~j~0_6 1))) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_6} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 17#L12-2 [45] L12-2-->L10-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_12 v_ULTIMATE.start_main_~i~0_11) (<= 1 v_ULTIMATE.start_main_~j~0_8)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 19#L10-2 13.02/5.73 [2019-03-29 01:55:02,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.02/5.73 [2019-03-29 01:55:02,951 INFO L82 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 2 times 13.02/5.73 [2019-03-29 01:55:02,951 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.02/5.73 [2019-03-29 01:55:02,951 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.02/5.73 [2019-03-29 01:55:02,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.02/5.73 [2019-03-29 01:55:02,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.02/5.73 [2019-03-29 01:55:02,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.02/5.73 [2019-03-29 01:55:02,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.02/5.73 [2019-03-29 01:55:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.02/5.73 [2019-03-29 01:55:02,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.02/5.73 [2019-03-29 01:55:02,957 INFO L82 PathProgramCache]: Analyzing trace with hash 68338, now seen corresponding path program 1 times 13.02/5.73 [2019-03-29 01:55:02,957 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.02/5.73 [2019-03-29 01:55:02,957 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.02/5.73 [2019-03-29 01:55:02,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.02/5.73 [2019-03-29 01:55:02,959 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 13.02/5.73 [2019-03-29 01:55:02,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.02/5.73 [2019-03-29 01:55:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.02/5.73 [2019-03-29 01:55:02,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.02/5.73 [2019-03-29 01:55:02,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.02/5.73 [2019-03-29 01:55:02,967 INFO L82 PathProgramCache]: Analyzing trace with hash 1974962, now seen corresponding path program 1 times 13.02/5.73 [2019-03-29 01:55:02,968 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.02/5.73 [2019-03-29 01:55:02,968 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.02/5.73 [2019-03-29 01:55:02,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.02/5.73 [2019-03-29 01:55:02,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.02/5.73 [2019-03-29 01:55:02,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.02/5.73 [2019-03-29 01:55:02,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.02/5.73 [2019-03-29 01:55:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.02/5.73 [2019-03-29 01:55:03,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:55:03 BasicIcfg 13.02/5.73 [2019-03-29 01:55:03,056 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 13.02/5.73 [2019-03-29 01:55:03,057 INFO L168 Benchmark]: Toolchain (without parser) took 1219.97 ms. Allocated memory is still 649.6 MB. Free memory was 565.1 MB in the beginning and 559.5 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 50.3 GB. 13.02/5.73 [2019-03-29 01:55:03,059 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 591.9 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.02/5.73 [2019-03-29 01:55:03,060 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.92 ms. Allocated memory is still 649.6 MB. Free memory was 563.8 MB in the beginning and 554.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 13.02/5.73 [2019-03-29 01:55:03,061 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.23 ms. Allocated memory is still 649.6 MB. Free memory was 554.3 MB in the beginning and 615.5 MB in the end (delta: -61.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 13.02/5.73 [2019-03-29 01:55:03,061 INFO L168 Benchmark]: Boogie Preprocessor took 20.70 ms. Allocated memory is still 649.6 MB. Free memory was 615.5 MB in the beginning and 614.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 13.02/5.73 [2019-03-29 01:55:03,062 INFO L168 Benchmark]: RCFGBuilder took 213.84 ms. Allocated memory is still 649.6 MB. Free memory was 614.1 MB in the beginning and 600.1 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 50.3 GB. 13.02/5.73 [2019-03-29 01:55:03,063 INFO L168 Benchmark]: BlockEncodingV2 took 77.92 ms. Allocated memory is still 649.6 MB. Free memory was 600.1 MB in the beginning and 594.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.02/5.73 [2019-03-29 01:55:03,063 INFO L168 Benchmark]: TraceAbstraction took 168.50 ms. Allocated memory is still 649.6 MB. Free memory was 594.7 MB in the beginning and 585.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 13.02/5.73 [2019-03-29 01:55:03,064 INFO L168 Benchmark]: BuchiAutomizer took 407.49 ms. Allocated memory is still 649.6 MB. Free memory was 585.2 MB in the beginning and 559.5 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 50.3 GB. 13.02/5.73 [2019-03-29 01:55:03,068 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 13.02/5.73 --- Results --- 13.02/5.73 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 13.02/5.73 - StatisticsResult: Initial Icfg 13.02/5.73 8 locations, 11 edges 13.02/5.73 - StatisticsResult: Encoded RCFG 13.02/5.73 3 locations, 4 edges 13.02/5.73 * Results from de.uni_freiburg.informatik.ultimate.core: 13.02/5.73 - StatisticsResult: Toolchain Benchmarks 13.02/5.73 Benchmark results are: 13.02/5.73 * CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 591.9 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.02/5.73 * CACSL2BoogieTranslator took 228.92 ms. Allocated memory is still 649.6 MB. Free memory was 563.8 MB in the beginning and 554.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 13.02/5.73 * Boogie Procedure Inliner took 97.23 ms. Allocated memory is still 649.6 MB. Free memory was 554.3 MB in the beginning and 615.5 MB in the end (delta: -61.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 13.02/5.73 * Boogie Preprocessor took 20.70 ms. Allocated memory is still 649.6 MB. Free memory was 615.5 MB in the beginning and 614.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 13.02/5.73 * RCFGBuilder took 213.84 ms. Allocated memory is still 649.6 MB. Free memory was 614.1 MB in the beginning and 600.1 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 50.3 GB. 13.02/5.73 * BlockEncodingV2 took 77.92 ms. Allocated memory is still 649.6 MB. Free memory was 600.1 MB in the beginning and 594.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.02/5.73 * TraceAbstraction took 168.50 ms. Allocated memory is still 649.6 MB. Free memory was 594.7 MB in the beginning and 585.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 13.02/5.73 * BuchiAutomizer took 407.49 ms. Allocated memory is still 649.6 MB. Free memory was 585.2 MB in the beginning and 559.5 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 50.3 GB. 13.02/5.73 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 13.02/5.73 - AllSpecificationsHoldResult: All specifications hold 13.02/5.73 We were not able to verify any specifiation because the program does not contain any specification. 13.02/5.73 - InvariantResult [Line: 12]: Loop Invariant 13.02/5.73 Derived loop invariant: 1 13.02/5.73 - InvariantResult [Line: 10]: Loop Invariant 13.02/5.73 Derived loop invariant: 1 13.02/5.73 - StatisticsResult: Ultimate Automizer benchmark data 13.02/5.73 CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 13.02/5.73 - StatisticsResult: Constructed decomposition of program 13.02/5.73 Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 4 locations. 13.02/5.73 - StatisticsResult: Timing statistics 13.02/5.73 BüchiAutomizer plugin needed 0.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 4 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 3 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s 13.02/5.73 - TerminationAnalysisResult: Nontermination possible 13.02/5.73 Buchi Automizer proved that your program is nonterminating for some inputs 13.02/5.73 - FixpointNonTerminationResult [Line: 10]: Nontermination argument in form of an infinite program execution. 13.02/5.73 Nontermination argument in form of an infinite execution 13.02/5.73 State at position 0 is 13.02/5.73 {} 13.02/5.73 State at position 1 is 13.02/5.73 {\result=0, i=0, j=1} 13.02/5.73 - StatisticsResult: NonterminationArgumentStatistics 13.02/5.73 Fixpoint 13.02/5.73 - NonterminatingLassoResult [Line: 10]: Nonterminating execution 13.02/5.73 Found a nonterminating execution for the following lasso shaped sequence of statements. 13.02/5.73 Stem: 13.02/5.73 [L6] int i; 13.02/5.73 [L7] int j; 13.02/5.73 [L8] i = 0 13.02/5.73 Loop: 13.02/5.73 [L10] COND TRUE i < 100 13.02/5.73 [L11] j = 0 13.02/5.73 [L12] COND TRUE j < 1 13.02/5.73 [L13] j = j+1 13.02/5.73 [L12] COND FALSE !(j < 1) 13.02/5.73 [L15] i = i+0 13.02/5.73 End of lasso representation. 13.02/5.73 RESULT: Ultimate proved your program to be incorrect! 13.02/5.73 !SESSION 2019-03-29 01:54:58.419 ----------------------------------------------- 13.02/5.73 eclipse.buildId=unknown 13.02/5.73 java.version=1.8.0_181 13.02/5.73 java.vendor=Oracle Corporation 13.02/5.73 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 13.02/5.73 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 13.02/5.73 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 13.02/5.73 13.02/5.73 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 01:55:03.304 13.02/5.73 !MESSAGE The workspace will exit with unsaved changes in this session. 13.02/5.73 Received shutdown request... 13.02/5.73 Ultimate: 13.02/5.73 GTK+ Version Check 13.02/5.73 EOF