11.74/5.59 NO 11.74/5.59 11.74/5.59 Ultimate: Cannot open display: 11.74/5.59 This is Ultimate 0.1.24-8dc7c08-m 11.74/5.59 [2019-03-28 22:39:00,818 INFO L170 SettingsManager]: Resetting all preferences to default values... 11.74/5.59 [2019-03-28 22:39:00,821 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 11.74/5.59 [2019-03-28 22:39:00,832 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 11.74/5.59 [2019-03-28 22:39:00,832 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 11.74/5.59 [2019-03-28 22:39:00,833 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 11.74/5.59 [2019-03-28 22:39:00,834 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 11.74/5.59 [2019-03-28 22:39:00,836 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 11.74/5.59 [2019-03-28 22:39:00,837 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 11.74/5.59 [2019-03-28 22:39:00,838 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 11.74/5.59 [2019-03-28 22:39:00,839 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 11.74/5.59 [2019-03-28 22:39:00,839 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 11.74/5.59 [2019-03-28 22:39:00,840 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 11.74/5.59 [2019-03-28 22:39:00,841 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 11.74/5.59 [2019-03-28 22:39:00,842 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 11.74/5.59 [2019-03-28 22:39:00,843 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 11.74/5.59 [2019-03-28 22:39:00,844 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 11.74/5.59 [2019-03-28 22:39:00,845 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 11.74/5.59 [2019-03-28 22:39:00,847 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 11.74/5.59 [2019-03-28 22:39:00,849 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 11.74/5.59 [2019-03-28 22:39:00,850 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 11.74/5.59 [2019-03-28 22:39:00,851 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 11.74/5.59 [2019-03-28 22:39:00,853 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 11.74/5.59 [2019-03-28 22:39:00,853 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 11.74/5.59 [2019-03-28 22:39:00,854 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 11.74/5.59 [2019-03-28 22:39:00,854 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 11.74/5.59 [2019-03-28 22:39:00,855 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 11.74/5.59 [2019-03-28 22:39:00,856 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 11.74/5.59 [2019-03-28 22:39:00,856 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 11.74/5.59 [2019-03-28 22:39:00,856 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 11.74/5.59 [2019-03-28 22:39:00,857 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 11.74/5.59 [2019-03-28 22:39:00,858 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 11.74/5.59 [2019-03-28 22:39:00,859 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 11.74/5.59 [2019-03-28 22:39:00,859 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 11.74/5.59 [2019-03-28 22:39:00,860 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 11.74/5.59 [2019-03-28 22:39:00,860 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 11.74/5.59 [2019-03-28 22:39:00,860 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 11.74/5.59 [2019-03-28 22:39:00,861 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 11.74/5.59 [2019-03-28 22:39:00,862 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 11.74/5.59 [2019-03-28 22:39:00,862 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 11.74/5.59 [2019-03-28 22:39:00,876 INFO L110 SettingsManager]: Loading preferences was successful 11.74/5.59 [2019-03-28 22:39:00,877 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 11.74/5.59 [2019-03-28 22:39:00,878 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 11.74/5.59 [2019-03-28 22:39:00,878 INFO L133 SettingsManager]: * Rewrite not-equals=true 11.74/5.59 [2019-03-28 22:39:00,878 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 11.74/5.59 [2019-03-28 22:39:00,878 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 11.74/5.59 [2019-03-28 22:39:00,878 INFO L133 SettingsManager]: * Use SBE=true 11.74/5.59 [2019-03-28 22:39:00,879 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 11.74/5.59 [2019-03-28 22:39:00,879 INFO L133 SettingsManager]: * Use old map elimination=false 11.74/5.59 [2019-03-28 22:39:00,879 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 11.74/5.59 [2019-03-28 22:39:00,879 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 11.74/5.59 [2019-03-28 22:39:00,879 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 11.74/5.59 [2019-03-28 22:39:00,879 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 11.74/5.59 [2019-03-28 22:39:00,880 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 11.74/5.59 [2019-03-28 22:39:00,880 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 11.74/5.59 [2019-03-28 22:39:00,880 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 11.74/5.59 [2019-03-28 22:39:00,880 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 11.74/5.59 [2019-03-28 22:39:00,880 INFO L133 SettingsManager]: * Check division by zero=IGNORE 11.74/5.59 [2019-03-28 22:39:00,880 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 11.74/5.59 [2019-03-28 22:39:00,881 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 11.74/5.59 [2019-03-28 22:39:00,881 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 11.74/5.59 [2019-03-28 22:39:00,881 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 11.74/5.59 [2019-03-28 22:39:00,881 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 11.74/5.59 [2019-03-28 22:39:00,881 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 11.74/5.59 [2019-03-28 22:39:00,882 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.74/5.59 [2019-03-28 22:39:00,882 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 11.74/5.59 [2019-03-28 22:39:00,882 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 11.74/5.59 [2019-03-28 22:39:00,882 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 11.74/5.59 [2019-03-28 22:39:00,882 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 11.74/5.59 [2019-03-28 22:39:00,908 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 11.74/5.59 [2019-03-28 22:39:00,921 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 11.74/5.59 [2019-03-28 22:39:00,924 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 11.74/5.59 [2019-03-28 22:39:00,926 INFO L271 PluginConnector]: Initializing CDTParser... 11.74/5.59 [2019-03-28 22:39:00,926 INFO L276 PluginConnector]: CDTParser initialized 11.74/5.59 [2019-03-28 22:39:00,927 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 11.74/5.59 [2019-03-28 22:39:00,992 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/9ac9c42fa62641ea8582f9b98d570112/FLAGa17d01415 11.74/5.59 [2019-03-28 22:39:01,335 INFO L307 CDTParser]: Found 1 translation units. 11.74/5.59 [2019-03-28 22:39:01,336 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 11.74/5.59 [2019-03-28 22:39:01,342 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/9ac9c42fa62641ea8582f9b98d570112/FLAGa17d01415 11.74/5.59 [2019-03-28 22:39:01,744 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/9ac9c42fa62641ea8582f9b98d570112 11.74/5.59 [2019-03-28 22:39:01,756 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 11.74/5.59 [2019-03-28 22:39:01,758 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 11.74/5.59 [2019-03-28 22:39:01,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 11.74/5.59 [2019-03-28 22:39:01,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 11.74/5.59 [2019-03-28 22:39:01,763 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 11.74/5.59 [2019-03-28 22:39:01,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:39:01" (1/1) ... 11.74/5.59 [2019-03-28 22:39:01,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39ad8404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:39:01, skipping insertion in model container 11.74/5.59 [2019-03-28 22:39:01,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:39:01" (1/1) ... 11.74/5.59 [2019-03-28 22:39:01,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 11.74/5.59 [2019-03-28 22:39:01,793 INFO L176 MainTranslator]: Built tables and reachable declarations 11.74/5.59 [2019-03-28 22:39:01,949 INFO L206 PostProcessor]: Analyzing one entry point: main 11.74/5.59 [2019-03-28 22:39:01,955 INFO L191 MainTranslator]: Completed pre-run 11.74/5.59 [2019-03-28 22:39:01,972 INFO L206 PostProcessor]: Analyzing one entry point: main 11.74/5.59 [2019-03-28 22:39:01,987 INFO L195 MainTranslator]: Completed translation 11.74/5.59 [2019-03-28 22:39:01,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:39:01 WrapperNode 11.74/5.59 [2019-03-28 22:39:01,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 11.74/5.59 [2019-03-28 22:39:01,989 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 11.74/5.59 [2019-03-28 22:39:01,989 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 11.74/5.59 [2019-03-28 22:39:01,989 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 11.74/5.59 [2019-03-28 22:39:02,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:39:01" (1/1) ... 11.74/5.59 [2019-03-28 22:39:02,064 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:39:01" (1/1) ... 11.74/5.59 [2019-03-28 22:39:02,083 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 11.74/5.59 [2019-03-28 22:39:02,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 11.74/5.59 [2019-03-28 22:39:02,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 11.74/5.59 [2019-03-28 22:39:02,084 INFO L276 PluginConnector]: Boogie Preprocessor initialized 11.74/5.59 [2019-03-28 22:39:02,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:39:01" (1/1) ... 11.74/5.59 [2019-03-28 22:39:02,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:39:01" (1/1) ... 11.74/5.59 [2019-03-28 22:39:02,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:39:01" (1/1) ... 11.74/5.59 [2019-03-28 22:39:02,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:39:01" (1/1) ... 11.74/5.59 [2019-03-28 22:39:02,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:39:01" (1/1) ... 11.74/5.59 [2019-03-28 22:39:02,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:39:01" (1/1) ... 11.74/5.59 [2019-03-28 22:39:02,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:39:01" (1/1) ... 11.74/5.59 [2019-03-28 22:39:02,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 11.74/5.59 [2019-03-28 22:39:02,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 11.74/5.59 [2019-03-28 22:39:02,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... 11.74/5.59 [2019-03-28 22:39:02,104 INFO L276 PluginConnector]: RCFGBuilder initialized 11.74/5.59 [2019-03-28 22:39:02,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:39:01" (1/1) ... 11.74/5.59 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 11.74/5.59 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 11.74/5.59 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.74/5.59 [2019-03-28 22:39:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 11.74/5.59 [2019-03-28 22:39:02,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 11.74/5.59 [2019-03-28 22:39:02,293 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 11.74/5.59 [2019-03-28 22:39:02,294 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 11.74/5.59 [2019-03-28 22:39:02,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:39:02 BoogieIcfgContainer 11.74/5.59 [2019-03-28 22:39:02,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 11.74/5.59 [2019-03-28 22:39:02,295 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 11.74/5.59 [2019-03-28 22:39:02,296 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 11.74/5.59 [2019-03-28 22:39:02,298 INFO L276 PluginConnector]: BlockEncodingV2 initialized 11.74/5.59 [2019-03-28 22:39:02,298 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:39:02" (1/1) ... 11.74/5.59 [2019-03-28 22:39:02,312 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges 11.74/5.59 [2019-03-28 22:39:02,314 INFO L258 BlockEncoder]: Using Remove infeasible edges 11.74/5.59 [2019-03-28 22:39:02,314 INFO L263 BlockEncoder]: Using Maximize final states 11.74/5.59 [2019-03-28 22:39:02,315 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 11.74/5.59 [2019-03-28 22:39:02,315 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 11.74/5.59 [2019-03-28 22:39:02,317 INFO L296 BlockEncoder]: Using Remove sink states 11.74/5.59 [2019-03-28 22:39:02,318 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 11.74/5.59 [2019-03-28 22:39:02,318 INFO L179 BlockEncoder]: Using Rewrite not-equals 11.74/5.59 [2019-03-28 22:39:02,334 INFO L185 BlockEncoder]: Using Use SBE 11.74/5.59 [2019-03-28 22:39:02,348 INFO L200 BlockEncoder]: SBE split 1 edges 11.74/5.59 [2019-03-28 22:39:02,353 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 11.74/5.59 [2019-03-28 22:39:02,354 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.74/5.59 [2019-03-28 22:39:02,367 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 11.74/5.59 [2019-03-28 22:39:02,369 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 11.74/5.59 [2019-03-28 22:39:02,370 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 11.74/5.59 [2019-03-28 22:39:02,371 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.74/5.59 [2019-03-28 22:39:02,371 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 11.74/5.59 [2019-03-28 22:39:02,371 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 11.74/5.59 [2019-03-28 22:39:02,371 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 5 edges 11.74/5.59 [2019-03-28 22:39:02,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:39:02 BasicIcfg 11.74/5.59 [2019-03-28 22:39:02,372 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 11.74/5.59 [2019-03-28 22:39:02,373 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 11.74/5.59 [2019-03-28 22:39:02,373 INFO L271 PluginConnector]: Initializing TraceAbstraction... 11.74/5.59 [2019-03-28 22:39:02,376 INFO L276 PluginConnector]: TraceAbstraction initialized 11.74/5.59 [2019-03-28 22:39:02,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:39:01" (1/4) ... 11.74/5.59 [2019-03-28 22:39:02,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@694eacda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:39:02, skipping insertion in model container 11.74/5.59 [2019-03-28 22:39:02,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:39:01" (2/4) ... 11.74/5.59 [2019-03-28 22:39:02,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@694eacda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:39:02, skipping insertion in model container 11.74/5.59 [2019-03-28 22:39:02,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:39:02" (3/4) ... 11.74/5.59 [2019-03-28 22:39:02,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@694eacda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:39:02, skipping insertion in model container 11.74/5.59 [2019-03-28 22:39:02,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:39:02" (4/4) ... 11.74/5.59 [2019-03-28 22:39:02,380 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.74/5.59 [2019-03-28 22:39:02,391 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 11.74/5.59 [2019-03-28 22:39:02,398 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 11.74/5.59 [2019-03-28 22:39:02,416 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 11.74/5.59 [2019-03-28 22:39:02,444 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.74/5.59 [2019-03-28 22:39:02,445 INFO L382 AbstractCegarLoop]: Interprodecural is true 11.74/5.59 [2019-03-28 22:39:02,445 INFO L383 AbstractCegarLoop]: Hoare is true 11.74/5.59 [2019-03-28 22:39:02,445 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 11.74/5.59 [2019-03-28 22:39:02,445 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 11.74/5.59 [2019-03-28 22:39:02,445 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.74/5.59 [2019-03-28 22:39:02,446 INFO L387 AbstractCegarLoop]: Difference is false 11.74/5.59 [2019-03-28 22:39:02,446 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 11.74/5.59 [2019-03-28 22:39:02,446 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 11.74/5.59 [2019-03-28 22:39:02,460 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 11.74/5.59 [2019-03-28 22:39:02,465 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 11.74/5.59 [2019-03-28 22:39:02,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 11.74/5.59 [2019-03-28 22:39:02,517 INFO L448 ceAbstractionStarter]: For program point L14(lines 14 18) no Hoare annotation was computed. 11.74/5.59 [2019-03-28 22:39:02,518 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 11.74/5.59 [2019-03-28 22:39:02,518 INFO L451 ceAbstractionStarter]: At program point L14-2(lines 13 19) the Hoare annotation is: true 11.74/5.59 [2019-03-28 22:39:02,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:39:02 BasicIcfg 11.74/5.59 [2019-03-28 22:39:02,526 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 11.74/5.59 [2019-03-28 22:39:02,527 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 11.74/5.59 [2019-03-28 22:39:02,527 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 11.74/5.59 [2019-03-28 22:39:02,530 INFO L276 PluginConnector]: BuchiAutomizer initialized 11.74/5.59 [2019-03-28 22:39:02,531 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.74/5.59 [2019-03-28 22:39:02,531 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:39:01" (1/5) ... 11.74/5.59 [2019-03-28 22:39:02,532 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e5343fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:39:02, skipping insertion in model container 11.74/5.59 [2019-03-28 22:39:02,532 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.74/5.59 [2019-03-28 22:39:02,532 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:39:01" (2/5) ... 11.74/5.59 [2019-03-28 22:39:02,533 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e5343fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:39:02, skipping insertion in model container 11.74/5.59 [2019-03-28 22:39:02,533 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.74/5.59 [2019-03-28 22:39:02,533 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:39:02" (3/5) ... 11.74/5.59 [2019-03-28 22:39:02,534 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e5343fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:39:02, skipping insertion in model container 11.74/5.59 [2019-03-28 22:39:02,534 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.74/5.59 [2019-03-28 22:39:02,534 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:39:02" (4/5) ... 11.74/5.59 [2019-03-28 22:39:02,534 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e5343fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:39:02, skipping insertion in model container 11.74/5.59 [2019-03-28 22:39:02,534 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.74/5.59 [2019-03-28 22:39:02,535 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:39:02" (5/5) ... 11.74/5.59 [2019-03-28 22:39:02,536 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.74/5.59 [2019-03-28 22:39:02,562 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.74/5.59 [2019-03-28 22:39:02,563 INFO L374 BuchiCegarLoop]: Interprodecural is true 11.74/5.59 [2019-03-28 22:39:02,563 INFO L375 BuchiCegarLoop]: Hoare is true 11.74/5.59 [2019-03-28 22:39:02,563 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 11.74/5.59 [2019-03-28 22:39:02,563 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 11.74/5.59 [2019-03-28 22:39:02,564 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.74/5.59 [2019-03-28 22:39:02,564 INFO L379 BuchiCegarLoop]: Difference is false 11.74/5.59 [2019-03-28 22:39:02,564 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 11.74/5.59 [2019-03-28 22:39:02,564 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 11.74/5.59 [2019-03-28 22:39:02,567 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 11.74/5.59 [2019-03-28 22:39:02,585 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 11.74/5.59 [2019-03-28 22:39:02,585 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.74/5.59 [2019-03-28 22:39:02,586 INFO L119 BuchiIsEmpty]: Starting construction of run 11.74/5.59 [2019-03-28 22:39:02,591 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 11.74/5.59 [2019-03-28 22:39:02,591 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 11.74/5.59 [2019-03-28 22:39:02,591 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 11.74/5.59 [2019-03-28 22:39:02,591 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 11.74/5.59 [2019-03-28 22:39:02,592 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 11.74/5.59 [2019-03-28 22:39:02,592 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.74/5.59 [2019-03-28 22:39:02,592 INFO L119 BuchiIsEmpty]: Starting construction of run 11.74/5.59 [2019-03-28 22:39:02,592 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 11.74/5.59 [2019-03-28 22:39:02,593 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 11.74/5.59 [2019-03-28 22:39:02,598 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [25] ULTIMATE.startENTRY-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~bm~0_1 v_ULTIMATE.start_main_~b~0_1) (= v_ULTIMATE.start_main_~am~0_1 v_ULTIMATE.start_main_~a~0_1)) InVars {} OutVars{ULTIMATE.start_main_~bm~0=v_ULTIMATE.start_main_~bm~0_1, ULTIMATE.start_main_~a~0=v_ULTIMATE.start_main_~a~0_1, ULTIMATE.start_main_~am~0=v_ULTIMATE.start_main_~am~0_1, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~bm~0, ULTIMATE.start_main_~a~0, ULTIMATE.start_main_~am~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~b~0] 4#L14-2true 11.74/5.60 [2019-03-28 22:39:02,598 INFO L796 eck$LassoCheckResult]: Loop: 4#L14-2true [35] L14-2-->L14: Formula: (> v_ULTIMATE.start_main_~am~0_7 v_ULTIMATE.start_main_~bm~0_7) InVars {ULTIMATE.start_main_~bm~0=v_ULTIMATE.start_main_~bm~0_7, ULTIMATE.start_main_~am~0=v_ULTIMATE.start_main_~am~0_7} OutVars{ULTIMATE.start_main_~bm~0=v_ULTIMATE.start_main_~bm~0_7, ULTIMATE.start_main_~am~0=v_ULTIMATE.start_main_~am~0_7} AuxVars[] AssignedVars[] 5#L14true [34] L14-->L14-2: Formula: (and (>= v_ULTIMATE.start_main_~bm~0_10 v_ULTIMATE.start_main_~am~0_10) (= v_ULTIMATE.start_main_~am~0_9 (+ v_ULTIMATE.start_main_~am~0_10 v_ULTIMATE.start_main_~a~0_4))) InVars {ULTIMATE.start_main_~bm~0=v_ULTIMATE.start_main_~bm~0_10, ULTIMATE.start_main_~a~0=v_ULTIMATE.start_main_~a~0_4, ULTIMATE.start_main_~am~0=v_ULTIMATE.start_main_~am~0_10} OutVars{ULTIMATE.start_main_~bm~0=v_ULTIMATE.start_main_~bm~0_10, ULTIMATE.start_main_~a~0=v_ULTIMATE.start_main_~a~0_4, ULTIMATE.start_main_~am~0=v_ULTIMATE.start_main_~am~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~am~0] 4#L14-2true 11.74/5.60 [2019-03-28 22:39:02,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.74/5.60 [2019-03-28 22:39:02,604 INFO L82 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 1 times 11.74/5.60 [2019-03-28 22:39:02,606 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.74/5.60 [2019-03-28 22:39:02,607 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.74/5.60 [2019-03-28 22:39:02,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.74/5.60 [2019-03-28 22:39:02,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.74/5.60 [2019-03-28 22:39:02,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.74/5.60 [2019-03-28 22:39:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.74/5.60 [2019-03-28 22:39:02,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.74/5.60 [2019-03-28 22:39:02,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.74/5.60 [2019-03-28 22:39:02,677 INFO L82 PathProgramCache]: Analyzing trace with hash 2080, now seen corresponding path program 1 times 11.74/5.60 [2019-03-28 22:39:02,677 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.74/5.60 [2019-03-28 22:39:02,677 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.74/5.60 [2019-03-28 22:39:02,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.74/5.60 [2019-03-28 22:39:02,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.74/5.60 [2019-03-28 22:39:02,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.74/5.60 [2019-03-28 22:39:02,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 11.74/5.60 [2019-03-28 22:39:02,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 11.74/5.60 [2019-03-28 22:39:02,723 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 11.74/5.60 [2019-03-28 22:39:02,724 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 11.74/5.60 [2019-03-28 22:39:02,729 INFO L811 eck$LassoCheckResult]: loop already infeasible 11.74/5.60 [2019-03-28 22:39:02,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 11.74/5.60 [2019-03-28 22:39:02,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 11.74/5.60 [2019-03-28 22:39:02,746 INFO L87 Difference]: Start difference. First operand 3 states. Second operand 3 states. 11.74/5.60 [2019-03-28 22:39:02,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 11.74/5.60 [2019-03-28 22:39:02,772 INFO L93 Difference]: Finished difference Result 4 states and 6 transitions. 11.74/5.60 [2019-03-28 22:39:02,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 11.74/5.60 [2019-03-28 22:39:02,776 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4 states and 6 transitions. 11.74/5.60 [2019-03-28 22:39:02,777 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 11.74/5.60 [2019-03-28 22:39:02,783 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4 states to 4 states and 6 transitions. 11.74/5.60 [2019-03-28 22:39:02,784 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 11.74/5.60 [2019-03-28 22:39:02,784 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 11.74/5.60 [2019-03-28 22:39:02,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 6 transitions. 11.74/5.60 [2019-03-28 22:39:02,785 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 11.74/5.60 [2019-03-28 22:39:02,785 INFO L706 BuchiCegarLoop]: Abstraction has 4 states and 6 transitions. 11.74/5.60 [2019-03-28 22:39:02,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states and 6 transitions. 11.74/5.60 [2019-03-28 22:39:02,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. 11.74/5.60 [2019-03-28 22:39:02,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 11.74/5.60 [2019-03-28 22:39:02,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions. 11.74/5.60 [2019-03-28 22:39:02,816 INFO L729 BuchiCegarLoop]: Abstraction has 4 states and 6 transitions. 11.74/5.60 [2019-03-28 22:39:02,816 INFO L609 BuchiCegarLoop]: Abstraction has 4 states and 6 transitions. 11.74/5.60 [2019-03-28 22:39:02,816 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 11.74/5.60 [2019-03-28 22:39:02,816 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 6 transitions. 11.74/5.60 [2019-03-28 22:39:02,817 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 11.74/5.60 [2019-03-28 22:39:02,817 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.74/5.60 [2019-03-28 22:39:02,817 INFO L119 BuchiIsEmpty]: Starting construction of run 11.74/5.60 [2019-03-28 22:39:02,817 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 11.74/5.60 [2019-03-28 22:39:02,817 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 11.74/5.60 [2019-03-28 22:39:02,818 INFO L794 eck$LassoCheckResult]: Stem: 16#ULTIMATE.startENTRY [25] ULTIMATE.startENTRY-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~bm~0_1 v_ULTIMATE.start_main_~b~0_1) (= v_ULTIMATE.start_main_~am~0_1 v_ULTIMATE.start_main_~a~0_1)) InVars {} OutVars{ULTIMATE.start_main_~bm~0=v_ULTIMATE.start_main_~bm~0_1, ULTIMATE.start_main_~a~0=v_ULTIMATE.start_main_~a~0_1, ULTIMATE.start_main_~am~0=v_ULTIMATE.start_main_~am~0_1, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~bm~0, ULTIMATE.start_main_~a~0, ULTIMATE.start_main_~am~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~b~0] 17#L14-2 11.74/5.60 [2019-03-28 22:39:02,818 INFO L796 eck$LassoCheckResult]: Loop: 17#L14-2 [35] L14-2-->L14: Formula: (> v_ULTIMATE.start_main_~am~0_7 v_ULTIMATE.start_main_~bm~0_7) InVars {ULTIMATE.start_main_~bm~0=v_ULTIMATE.start_main_~bm~0_7, ULTIMATE.start_main_~am~0=v_ULTIMATE.start_main_~am~0_7} OutVars{ULTIMATE.start_main_~bm~0=v_ULTIMATE.start_main_~bm~0_7, ULTIMATE.start_main_~am~0=v_ULTIMATE.start_main_~am~0_7} AuxVars[] AssignedVars[] 18#L14 [31] L14-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~bm~0_8 (+ v_ULTIMATE.start_main_~bm~0_9 v_ULTIMATE.start_main_~b~0_4)) (< v_ULTIMATE.start_main_~bm~0_9 v_ULTIMATE.start_main_~am~0_8)) InVars {ULTIMATE.start_main_~bm~0=v_ULTIMATE.start_main_~bm~0_9, ULTIMATE.start_main_~am~0=v_ULTIMATE.start_main_~am~0_8, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_4} OutVars{ULTIMATE.start_main_~bm~0=v_ULTIMATE.start_main_~bm~0_8, ULTIMATE.start_main_~am~0=v_ULTIMATE.start_main_~am~0_8, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_4} AuxVars[] AssignedVars[ULTIMATE.start_main_~bm~0] 17#L14-2 11.74/5.60 [2019-03-28 22:39:02,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.74/5.60 [2019-03-28 22:39:02,819 INFO L82 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 2 times 11.74/5.60 [2019-03-28 22:39:02,819 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.74/5.60 [2019-03-28 22:39:02,819 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.74/5.60 [2019-03-28 22:39:02,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.74/5.60 [2019-03-28 22:39:02,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.74/5.60 [2019-03-28 22:39:02,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.74/5.60 [2019-03-28 22:39:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.74/5.60 [2019-03-28 22:39:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.74/5.60 [2019-03-28 22:39:02,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.74/5.60 [2019-03-28 22:39:02,825 INFO L82 PathProgramCache]: Analyzing trace with hash 2077, now seen corresponding path program 1 times 11.74/5.60 [2019-03-28 22:39:02,825 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.74/5.60 [2019-03-28 22:39:02,826 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.74/5.60 [2019-03-28 22:39:02,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.74/5.60 [2019-03-28 22:39:02,827 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 11.74/5.60 [2019-03-28 22:39:02,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.74/5.60 [2019-03-28 22:39:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.74/5.60 [2019-03-28 22:39:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.74/5.60 [2019-03-28 22:39:02,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.74/5.60 [2019-03-28 22:39:02,834 INFO L82 PathProgramCache]: Analyzing trace with hash 54932, now seen corresponding path program 1 times 11.74/5.60 [2019-03-28 22:39:02,834 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.74/5.60 [2019-03-28 22:39:02,834 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.74/5.60 [2019-03-28 22:39:02,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.74/5.60 [2019-03-28 22:39:02,836 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.74/5.60 [2019-03-28 22:39:02,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.74/5.60 [2019-03-28 22:39:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.74/5.60 [2019-03-28 22:39:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.74/5.60 [2019-03-28 22:39:02,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:39:02 BasicIcfg 11.74/5.60 [2019-03-28 22:39:02,915 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 11.74/5.60 [2019-03-28 22:39:02,915 INFO L168 Benchmark]: Toolchain (without parser) took 1158.72 ms. Allocated memory was 649.6 MB in the beginning and 696.3 MB in the end (delta: 46.7 MB). Free memory was 558.5 MB in the beginning and 601.0 MB in the end (delta: -42.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 50.3 GB. 11.74/5.60 [2019-03-28 22:39:02,918 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.74/5.60 [2019-03-28 22:39:02,919 INFO L168 Benchmark]: CACSL2BoogieTranslator took 229.87 ms. Allocated memory is still 649.6 MB. Free memory was 558.5 MB in the beginning and 549.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 11.74/5.60 [2019-03-28 22:39:02,920 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.21 ms. Allocated memory was 649.6 MB in the beginning and 696.3 MB in the end (delta: 46.7 MB). Free memory was 549.1 MB in the beginning and 662.6 MB in the end (delta: -113.5 MB). Peak memory consumption was 20.1 MB. Max. memory is 50.3 GB. 11.74/5.60 [2019-03-28 22:39:02,920 INFO L168 Benchmark]: Boogie Preprocessor took 19.51 ms. Allocated memory is still 696.3 MB. Free memory is still 662.6 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.74/5.60 [2019-03-28 22:39:02,921 INFO L168 Benchmark]: RCFGBuilder took 191.77 ms. Allocated memory is still 696.3 MB. Free memory was 662.6 MB in the beginning and 647.9 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 50.3 GB. 11.74/5.60 [2019-03-28 22:39:02,921 INFO L168 Benchmark]: BlockEncodingV2 took 76.60 ms. Allocated memory is still 696.3 MB. Free memory was 647.9 MB in the beginning and 641.4 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 11.74/5.60 [2019-03-28 22:39:02,922 INFO L168 Benchmark]: TraceAbstraction took 153.63 ms. Allocated memory is still 696.3 MB. Free memory was 641.4 MB in the beginning and 632.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 11.74/5.60 [2019-03-28 22:39:02,923 INFO L168 Benchmark]: BuchiAutomizer took 387.83 ms. Allocated memory is still 696.3 MB. Free memory was 632.0 MB in the beginning and 601.0 MB in the end (delta: 31.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 50.3 GB. 11.74/5.60 [2019-03-28 22:39:02,927 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 11.74/5.60 --- Results --- 11.74/5.60 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 11.74/5.60 - StatisticsResult: Initial Icfg 11.74/5.60 7 locations, 9 edges 11.74/5.60 - StatisticsResult: Encoded RCFG 11.74/5.60 3 locations, 5 edges 11.74/5.60 * Results from de.uni_freiburg.informatik.ultimate.core: 11.74/5.60 - StatisticsResult: Toolchain Benchmarks 11.74/5.60 Benchmark results are: 11.74/5.60 * CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.74/5.60 * CACSL2BoogieTranslator took 229.87 ms. Allocated memory is still 649.6 MB. Free memory was 558.5 MB in the beginning and 549.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 11.74/5.60 * Boogie Procedure Inliner took 94.21 ms. Allocated memory was 649.6 MB in the beginning and 696.3 MB in the end (delta: 46.7 MB). Free memory was 549.1 MB in the beginning and 662.6 MB in the end (delta: -113.5 MB). Peak memory consumption was 20.1 MB. Max. memory is 50.3 GB. 11.74/5.60 * Boogie Preprocessor took 19.51 ms. Allocated memory is still 696.3 MB. Free memory is still 662.6 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.74/5.60 * RCFGBuilder took 191.77 ms. Allocated memory is still 696.3 MB. Free memory was 662.6 MB in the beginning and 647.9 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 50.3 GB. 11.74/5.60 * BlockEncodingV2 took 76.60 ms. Allocated memory is still 696.3 MB. Free memory was 647.9 MB in the beginning and 641.4 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 11.74/5.60 * TraceAbstraction took 153.63 ms. Allocated memory is still 696.3 MB. Free memory was 641.4 MB in the beginning and 632.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 11.74/5.60 * BuchiAutomizer took 387.83 ms. Allocated memory is still 696.3 MB. Free memory was 632.0 MB in the beginning and 601.0 MB in the end (delta: 31.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 50.3 GB. 11.74/5.60 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 11.74/5.60 - AllSpecificationsHoldResult: All specifications hold 11.74/5.60 We were not able to verify any specifiation because the program does not contain any specification. 11.74/5.60 - InvariantResult [Line: 13]: Loop Invariant 11.74/5.60 Derived loop invariant: 1 11.74/5.60 - StatisticsResult: Ultimate Automizer benchmark data 11.74/5.60 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 11.74/5.60 - StatisticsResult: Constructed decomposition of program 11.74/5.60 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. 11.74/5.60 - StatisticsResult: Timing statistics 11.74/5.60 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: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 8 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 11.74/5.60 - TerminationAnalysisResult: Nontermination possible 11.74/5.60 Buchi Automizer proved that your program is nonterminating for some inputs 11.74/5.60 - FixpointNonTerminationResult [Line: 13]: Nontermination argument in form of an infinite program execution. 11.74/5.60 Nontermination argument in form of an infinite execution 11.74/5.60 State at position 0 is 11.74/5.60 {} 11.74/5.60 State at position 1 is 11.74/5.60 {a=1, \result=0, am=1, b=0, bm=0} 11.74/5.60 - StatisticsResult: NonterminationArgumentStatistics 11.74/5.60 Fixpoint 11.74/5.60 - NonterminatingLassoResult [Line: 13]: Nonterminating execution 11.74/5.60 Found a nonterminating execution for the following lasso shaped sequence of statements. 11.74/5.60 Stem: 11.74/5.60 [L6] int a; 11.74/5.60 [L7] int b; 11.74/5.60 [L8] int am; 11.74/5.60 [L9] int bm; 11.74/5.60 [L10] am = a 11.74/5.60 [L11] bm = b 11.74/5.60 Loop: 11.74/5.60 [L13] COND TRUE am != bm 11.74/5.60 [L14] COND TRUE am > bm 11.74/5.60 [L15] bm = bm+b 11.74/5.60 End of lasso representation. 11.74/5.60 RESULT: Ultimate proved your program to be incorrect! 11.74/5.60 !SESSION 2019-03-28 22:38:58.476 ----------------------------------------------- 11.74/5.60 eclipse.buildId=unknown 11.74/5.60 java.version=1.8.0_181 11.74/5.60 java.vendor=Oracle Corporation 11.74/5.60 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 11.74/5.60 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 11.74/5.60 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 11.74/5.60 11.74/5.60 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:39:03.162 11.74/5.60 !MESSAGE The workspace will exit with unsaved changes in this session. 11.74/5.60 Received shutdown request... 11.74/5.60 Ultimate: 11.74/5.60 GTK+ Version Check 11.74/5.60 EOF