11.29/5.57 NO 11.29/5.57 11.29/5.57 Ultimate: Cannot open display: 11.29/5.57 This is Ultimate 0.1.24-8dc7c08-m 11.29/5.57 [2019-03-28 22:26:00,885 INFO L170 SettingsManager]: Resetting all preferences to default values... 11.29/5.57 [2019-03-28 22:26:00,887 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 11.29/5.57 [2019-03-28 22:26:00,899 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 11.29/5.57 [2019-03-28 22:26:00,899 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 11.29/5.57 [2019-03-28 22:26:00,900 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 11.29/5.57 [2019-03-28 22:26:00,901 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 11.29/5.57 [2019-03-28 22:26:00,903 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 11.29/5.57 [2019-03-28 22:26:00,904 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 11.29/5.57 [2019-03-28 22:26:00,905 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 11.29/5.57 [2019-03-28 22:26:00,906 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 11.29/5.57 [2019-03-28 22:26:00,906 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 11.29/5.57 [2019-03-28 22:26:00,907 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 11.29/5.57 [2019-03-28 22:26:00,908 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 11.29/5.57 [2019-03-28 22:26:00,909 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 11.29/5.57 [2019-03-28 22:26:00,910 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 11.29/5.57 [2019-03-28 22:26:00,911 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 11.29/5.57 [2019-03-28 22:26:00,912 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 11.29/5.57 [2019-03-28 22:26:00,914 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 11.29/5.57 [2019-03-28 22:26:00,916 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 11.29/5.57 [2019-03-28 22:26:00,917 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 11.29/5.57 [2019-03-28 22:26:00,918 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 11.29/5.57 [2019-03-28 22:26:00,920 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 11.29/5.57 [2019-03-28 22:26:00,920 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 11.29/5.57 [2019-03-28 22:26:00,920 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 11.29/5.57 [2019-03-28 22:26:00,921 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 11.29/5.57 [2019-03-28 22:26:00,922 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 11.29/5.57 [2019-03-28 22:26:00,923 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 11.29/5.57 [2019-03-28 22:26:00,923 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 11.29/5.57 [2019-03-28 22:26:00,923 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 11.29/5.57 [2019-03-28 22:26:00,924 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 11.29/5.57 [2019-03-28 22:26:00,925 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 11.29/5.57 [2019-03-28 22:26:00,926 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 11.29/5.57 [2019-03-28 22:26:00,926 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 11.29/5.57 [2019-03-28 22:26:00,927 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 11.29/5.57 [2019-03-28 22:26:00,927 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 11.29/5.57 [2019-03-28 22:26:00,927 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 11.29/5.57 [2019-03-28 22:26:00,928 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 11.29/5.57 [2019-03-28 22:26:00,929 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 11.29/5.57 [2019-03-28 22:26:00,929 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 11.29/5.57 [2019-03-28 22:26:00,944 INFO L110 SettingsManager]: Loading preferences was successful 11.29/5.57 [2019-03-28 22:26:00,944 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 11.29/5.57 [2019-03-28 22:26:00,945 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 11.29/5.57 [2019-03-28 22:26:00,945 INFO L133 SettingsManager]: * Rewrite not-equals=true 11.29/5.57 [2019-03-28 22:26:00,946 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 11.29/5.57 [2019-03-28 22:26:00,946 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 11.29/5.57 [2019-03-28 22:26:00,946 INFO L133 SettingsManager]: * Use SBE=true 11.29/5.57 [2019-03-28 22:26:00,946 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 11.29/5.57 [2019-03-28 22:26:00,946 INFO L133 SettingsManager]: * Use old map elimination=false 11.29/5.57 [2019-03-28 22:26:00,947 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 11.29/5.57 [2019-03-28 22:26:00,947 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 11.29/5.57 [2019-03-28 22:26:00,947 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 11.29/5.57 [2019-03-28 22:26:00,947 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 11.29/5.57 [2019-03-28 22:26:00,947 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 11.29/5.57 [2019-03-28 22:26:00,947 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 11.29/5.57 [2019-03-28 22:26:00,948 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 11.29/5.57 [2019-03-28 22:26:00,948 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 11.29/5.57 [2019-03-28 22:26:00,948 INFO L133 SettingsManager]: * Check division by zero=IGNORE 11.29/5.57 [2019-03-28 22:26:00,948 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 11.29/5.57 [2019-03-28 22:26:00,948 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 11.29/5.57 [2019-03-28 22:26:00,949 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 11.29/5.57 [2019-03-28 22:26:00,949 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 11.29/5.57 [2019-03-28 22:26:00,949 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 11.29/5.57 [2019-03-28 22:26:00,949 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 11.29/5.57 [2019-03-28 22:26:00,949 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.29/5.57 [2019-03-28 22:26:00,949 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 11.29/5.57 [2019-03-28 22:26:00,950 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 11.29/5.57 [2019-03-28 22:26:00,950 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 11.29/5.57 [2019-03-28 22:26:00,950 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 11.29/5.57 [2019-03-28 22:26:00,979 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 11.29/5.57 [2019-03-28 22:26:00,992 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 11.29/5.57 [2019-03-28 22:26:00,996 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 11.29/5.57 [2019-03-28 22:26:00,997 INFO L271 PluginConnector]: Initializing CDTParser... 11.29/5.57 [2019-03-28 22:26:00,998 INFO L276 PluginConnector]: CDTParser initialized 11.29/5.57 [2019-03-28 22:26:00,998 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 11.29/5.57 [2019-03-28 22:26:01,064 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/5f73e260e75646998293eb822353fa3a/FLAGf0432ca1f 11.29/5.57 [2019-03-28 22:26:01,408 INFO L307 CDTParser]: Found 1 translation units. 11.29/5.57 [2019-03-28 22:26:01,408 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 11.29/5.57 [2019-03-28 22:26:01,415 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/5f73e260e75646998293eb822353fa3a/FLAGf0432ca1f 11.29/5.57 [2019-03-28 22:26:01,819 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/5f73e260e75646998293eb822353fa3a 11.29/5.57 [2019-03-28 22:26:01,831 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 11.29/5.57 [2019-03-28 22:26:01,832 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 11.29/5.57 [2019-03-28 22:26:01,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 11.29/5.57 [2019-03-28 22:26:01,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 11.29/5.57 [2019-03-28 22:26:01,838 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 11.29/5.57 [2019-03-28 22:26:01,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:26:01" (1/1) ... 11.29/5.57 [2019-03-28 22:26:01,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f6ba495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:26:01, skipping insertion in model container 11.29/5.57 [2019-03-28 22:26:01,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:26:01" (1/1) ... 11.29/5.57 [2019-03-28 22:26:01,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 11.29/5.57 [2019-03-28 22:26:01,869 INFO L176 MainTranslator]: Built tables and reachable declarations 11.29/5.57 [2019-03-28 22:26:02,031 INFO L206 PostProcessor]: Analyzing one entry point: main 11.29/5.57 [2019-03-28 22:26:02,036 INFO L191 MainTranslator]: Completed pre-run 11.29/5.57 [2019-03-28 22:26:02,053 INFO L206 PostProcessor]: Analyzing one entry point: main 11.29/5.57 [2019-03-28 22:26:02,124 INFO L195 MainTranslator]: Completed translation 11.29/5.57 [2019-03-28 22:26:02,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:26:02 WrapperNode 11.29/5.57 [2019-03-28 22:26:02,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 11.29/5.57 [2019-03-28 22:26:02,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 11.29/5.57 [2019-03-28 22:26:02,126 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 11.29/5.57 [2019-03-28 22:26:02,126 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 11.29/5.57 [2019-03-28 22:26:02,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:26:02" (1/1) ... 11.29/5.57 [2019-03-28 22:26:02,142 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:26:02" (1/1) ... 11.29/5.57 [2019-03-28 22:26:02,161 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 11.29/5.57 [2019-03-28 22:26:02,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 11.29/5.57 [2019-03-28 22:26:02,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 11.29/5.57 [2019-03-28 22:26:02,162 INFO L276 PluginConnector]: Boogie Preprocessor initialized 11.29/5.57 [2019-03-28 22:26:02,172 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:26:02" (1/1) ... 11.29/5.57 [2019-03-28 22:26:02,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:26:02" (1/1) ... 11.29/5.57 [2019-03-28 22:26:02,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:26:02" (1/1) ... 11.29/5.57 [2019-03-28 22:26:02,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:26:02" (1/1) ... 11.29/5.57 [2019-03-28 22:26:02,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:26:02" (1/1) ... 11.29/5.57 [2019-03-28 22:26:02,180 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:26:02" (1/1) ... 11.29/5.57 [2019-03-28 22:26:02,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:26:02" (1/1) ... 11.29/5.57 [2019-03-28 22:26:02,182 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 11.29/5.57 [2019-03-28 22:26:02,182 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 11.29/5.57 [2019-03-28 22:26:02,182 INFO L271 PluginConnector]: Initializing RCFGBuilder... 11.29/5.57 [2019-03-28 22:26:02,182 INFO L276 PluginConnector]: RCFGBuilder initialized 11.29/5.57 [2019-03-28 22:26:02,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:26:02" (1/1) ... 11.29/5.57 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 11.29/5.57 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 11.29/5.57 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.29/5.57 [2019-03-28 22:26:02,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 11.29/5.57 [2019-03-28 22:26:02,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 11.29/5.57 [2019-03-28 22:26:02,378 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 11.29/5.57 [2019-03-28 22:26:02,379 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 11.29/5.57 [2019-03-28 22:26:02,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:26:02 BoogieIcfgContainer 11.29/5.57 [2019-03-28 22:26:02,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 11.29/5.57 [2019-03-28 22:26:02,381 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 11.29/5.57 [2019-03-28 22:26:02,381 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 11.29/5.57 [2019-03-28 22:26:02,383 INFO L276 PluginConnector]: BlockEncodingV2 initialized 11.29/5.57 [2019-03-28 22:26:02,384 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:26:02" (1/1) ... 11.29/5.57 [2019-03-28 22:26:02,398 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges 11.29/5.57 [2019-03-28 22:26:02,400 INFO L258 BlockEncoder]: Using Remove infeasible edges 11.29/5.57 [2019-03-28 22:26:02,401 INFO L263 BlockEncoder]: Using Maximize final states 11.29/5.57 [2019-03-28 22:26:02,401 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 11.29/5.57 [2019-03-28 22:26:02,402 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 11.29/5.57 [2019-03-28 22:26:02,404 INFO L296 BlockEncoder]: Using Remove sink states 11.29/5.57 [2019-03-28 22:26:02,405 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 11.29/5.57 [2019-03-28 22:26:02,405 INFO L179 BlockEncoder]: Using Rewrite not-equals 11.29/5.57 [2019-03-28 22:26:02,420 INFO L185 BlockEncoder]: Using Use SBE 11.29/5.57 [2019-03-28 22:26:02,435 INFO L200 BlockEncoder]: SBE split 2 edges 11.29/5.57 [2019-03-28 22:26:02,440 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 11.29/5.57 [2019-03-28 22:26:02,441 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.29/5.57 [2019-03-28 22:26:02,452 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 11.29/5.57 [2019-03-28 22:26:02,454 INFO L70 RemoveSinkStates]: Removed 4 edges and 2 locations by removing sink states 11.29/5.57 [2019-03-28 22:26:02,456 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 11.29/5.57 [2019-03-28 22:26:02,456 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.29/5.57 [2019-03-28 22:26:02,461 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding 11.29/5.57 [2019-03-28 22:26:02,461 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 11.29/5.57 [2019-03-28 22:26:02,462 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 11.29/5.57 [2019-03-28 22:26:02,462 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.29/5.57 [2019-03-28 22:26:02,462 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 11.29/5.57 [2019-03-28 22:26:02,462 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 11.29/5.57 [2019-03-28 22:26:02,463 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 5 edges 11.29/5.57 [2019-03-28 22:26:02,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:26:02 BasicIcfg 11.29/5.57 [2019-03-28 22:26:02,463 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 11.29/5.57 [2019-03-28 22:26:02,464 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 11.29/5.57 [2019-03-28 22:26:02,464 INFO L271 PluginConnector]: Initializing TraceAbstraction... 11.29/5.57 [2019-03-28 22:26:02,468 INFO L276 PluginConnector]: TraceAbstraction initialized 11.29/5.57 [2019-03-28 22:26:02,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:26:01" (1/4) ... 11.29/5.57 [2019-03-28 22:26:02,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65adfd46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:26:02, skipping insertion in model container 11.29/5.57 [2019-03-28 22:26:02,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:26:02" (2/4) ... 11.29/5.57 [2019-03-28 22:26:02,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65adfd46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:26:02, skipping insertion in model container 11.29/5.57 [2019-03-28 22:26:02,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:26:02" (3/4) ... 11.29/5.57 [2019-03-28 22:26:02,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65adfd46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:26:02, skipping insertion in model container 11.29/5.57 [2019-03-28 22:26:02,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:26:02" (4/4) ... 11.29/5.57 [2019-03-28 22:26:02,473 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.29/5.57 [2019-03-28 22:26:02,483 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 11.29/5.57 [2019-03-28 22:26:02,491 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 11.29/5.57 [2019-03-28 22:26:02,509 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 11.29/5.57 [2019-03-28 22:26:02,538 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.29/5.57 [2019-03-28 22:26:02,539 INFO L382 AbstractCegarLoop]: Interprodecural is true 11.29/5.57 [2019-03-28 22:26:02,539 INFO L383 AbstractCegarLoop]: Hoare is true 11.29/5.57 [2019-03-28 22:26:02,539 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 11.29/5.57 [2019-03-28 22:26:02,539 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 11.29/5.57 [2019-03-28 22:26:02,540 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.29/5.57 [2019-03-28 22:26:02,540 INFO L387 AbstractCegarLoop]: Difference is false 11.29/5.57 [2019-03-28 22:26:02,540 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 11.29/5.57 [2019-03-28 22:26:02,540 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 11.29/5.57 [2019-03-28 22:26:02,554 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 11.29/5.57 [2019-03-28 22:26:02,560 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 11.29/5.57 [2019-03-28 22:26:02,563 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 11.29/5.57 [2019-03-28 22:26:02,612 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 11.29/5.57 [2019-03-28 22:26:02,613 INFO L448 ceAbstractionStarter]: For program point L22(lines 22 26) no Hoare annotation was computed. 11.29/5.57 [2019-03-28 22:26:02,613 INFO L451 ceAbstractionStarter]: At program point L22-2(lines 21 27) the Hoare annotation is: true 11.29/5.57 [2019-03-28 22:26:02,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:26:02 BasicIcfg 11.29/5.57 [2019-03-28 22:26:02,622 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 11.29/5.57 [2019-03-28 22:26:02,623 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 11.29/5.57 [2019-03-28 22:26:02,623 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 11.29/5.57 [2019-03-28 22:26:02,626 INFO L276 PluginConnector]: BuchiAutomizer initialized 11.29/5.57 [2019-03-28 22:26:02,627 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.29/5.57 [2019-03-28 22:26:02,627 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:26:01" (1/5) ... 11.29/5.57 [2019-03-28 22:26:02,628 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@453ee4c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:26:02, skipping insertion in model container 11.29/5.57 [2019-03-28 22:26:02,628 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.29/5.57 [2019-03-28 22:26:02,628 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:26:02" (2/5) ... 11.29/5.57 [2019-03-28 22:26:02,628 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@453ee4c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:26:02, skipping insertion in model container 11.29/5.57 [2019-03-28 22:26:02,629 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.29/5.57 [2019-03-28 22:26:02,629 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:26:02" (3/5) ... 11.29/5.57 [2019-03-28 22:26:02,629 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@453ee4c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:26:02, skipping insertion in model container 11.29/5.57 [2019-03-28 22:26:02,629 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.29/5.57 [2019-03-28 22:26:02,629 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:26:02" (4/5) ... 11.29/5.57 [2019-03-28 22:26:02,630 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@453ee4c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:26:02, skipping insertion in model container 11.29/5.57 [2019-03-28 22:26:02,630 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.29/5.57 [2019-03-28 22:26:02,630 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:26:02" (5/5) ... 11.29/5.57 [2019-03-28 22:26:02,632 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.29/5.57 [2019-03-28 22:26:02,659 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.29/5.57 [2019-03-28 22:26:02,660 INFO L374 BuchiCegarLoop]: Interprodecural is true 11.29/5.57 [2019-03-28 22:26:02,660 INFO L375 BuchiCegarLoop]: Hoare is true 11.29/5.57 [2019-03-28 22:26:02,660 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 11.29/5.57 [2019-03-28 22:26:02,660 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 11.29/5.57 [2019-03-28 22:26:02,661 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.29/5.57 [2019-03-28 22:26:02,661 INFO L379 BuchiCegarLoop]: Difference is false 11.29/5.57 [2019-03-28 22:26:02,661 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 11.29/5.57 [2019-03-28 22:26:02,661 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 11.29/5.57 [2019-03-28 22:26:02,665 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 11.29/5.57 [2019-03-28 22:26:02,683 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 11.29/5.57 [2019-03-28 22:26:02,683 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.29/5.57 [2019-03-28 22:26:02,684 INFO L119 BuchiIsEmpty]: Starting construction of run 11.29/5.57 [2019-03-28 22:26:02,689 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 11.29/5.57 [2019-03-28 22:26:02,689 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 11.29/5.57 [2019-03-28 22:26:02,690 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 11.29/5.57 [2019-03-28 22:26:02,690 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 11.29/5.57 [2019-03-28 22:26:02,690 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 11.29/5.57 [2019-03-28 22:26:02,690 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.29/5.57 [2019-03-28 22:26:02,691 INFO L119 BuchiIsEmpty]: Starting construction of run 11.29/5.57 [2019-03-28 22:26:02,691 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 11.29/5.57 [2019-03-28 22:26:02,691 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 11.29/5.57 [2019-03-28 22:26:02,696 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [50] ULTIMATE.startENTRY-->L22-2: Formula: (and (<= 0 v_ULTIMATE.start_main_~y2~0_13) (<= 0 v_ULTIMATE.start_main_~y1~0_13)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_~y1~0=v_ULTIMATE.start_main_~y1~0_13, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~y2~0=v_ULTIMATE.start_main_~y2~0_13} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~y1~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y2~0] 5#L22-2true 11.29/5.57 [2019-03-28 22:26:02,697 INFO L796 eck$LassoCheckResult]: Loop: 5#L22-2true [46] L22-2-->L22: Formula: (< v_ULTIMATE.start_main_~y1~0_12 v_ULTIMATE.start_main_~y2~0_12) InVars {ULTIMATE.start_main_~y1~0=v_ULTIMATE.start_main_~y1~0_12, ULTIMATE.start_main_~y2~0=v_ULTIMATE.start_main_~y2~0_12} OutVars{ULTIMATE.start_main_~y1~0=v_ULTIMATE.start_main_~y1~0_12, ULTIMATE.start_main_~y2~0=v_ULTIMATE.start_main_~y2~0_12} AuxVars[] AssignedVars[] 4#L22true [43] L22-->L22-2: Formula: (and (>= v_ULTIMATE.start_main_~y2~0_8 v_ULTIMATE.start_main_~y1~0_8) (= v_ULTIMATE.start_main_~y2~0_7 (+ v_ULTIMATE.start_main_~y2~0_8 (* (- 1) v_ULTIMATE.start_main_~y1~0_8)))) InVars {ULTIMATE.start_main_~y1~0=v_ULTIMATE.start_main_~y1~0_8, ULTIMATE.start_main_~y2~0=v_ULTIMATE.start_main_~y2~0_8} OutVars{ULTIMATE.start_main_~y1~0=v_ULTIMATE.start_main_~y1~0_8, ULTIMATE.start_main_~y2~0=v_ULTIMATE.start_main_~y2~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~y2~0] 5#L22-2true 11.29/5.57 [2019-03-28 22:26:02,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.29/5.57 [2019-03-28 22:26:02,703 INFO L82 PathProgramCache]: Analyzing trace with hash 81, now seen corresponding path program 1 times 11.29/5.57 [2019-03-28 22:26:02,705 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.29/5.57 [2019-03-28 22:26:02,706 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.29/5.57 [2019-03-28 22:26:02,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.29/5.57 [2019-03-28 22:26:02,735 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.29/5.57 [2019-03-28 22:26:02,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.29/5.57 [2019-03-28 22:26:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.29/5.57 [2019-03-28 22:26:02,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.29/5.57 [2019-03-28 22:26:02,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.29/5.57 [2019-03-28 22:26:02,778 INFO L82 PathProgramCache]: Analyzing trace with hash 2430, now seen corresponding path program 1 times 11.29/5.57 [2019-03-28 22:26:02,778 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.29/5.57 [2019-03-28 22:26:02,778 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.29/5.57 [2019-03-28 22:26:02,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.29/5.57 [2019-03-28 22:26:02,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.29/5.57 [2019-03-28 22:26:02,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.29/5.57 [2019-03-28 22:26:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.29/5.57 [2019-03-28 22:26:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.29/5.57 [2019-03-28 22:26:02,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.29/5.57 [2019-03-28 22:26:02,794 INFO L82 PathProgramCache]: Analyzing trace with hash 79310, now seen corresponding path program 1 times 11.29/5.57 [2019-03-28 22:26:02,794 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.29/5.57 [2019-03-28 22:26:02,794 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.29/5.57 [2019-03-28 22:26:02,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.29/5.57 [2019-03-28 22:26:02,796 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.29/5.57 [2019-03-28 22:26:02,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.29/5.57 [2019-03-28 22:26:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.29/5.57 [2019-03-28 22:26:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.29/5.57 [2019-03-28 22:26:02,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:26:02 BasicIcfg 11.29/5.57 [2019-03-28 22:26:02,882 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 11.29/5.57 [2019-03-28 22:26:02,883 INFO L168 Benchmark]: Toolchain (without parser) took 1051.16 ms. Allocated memory was 649.6 MB in the beginning and 664.3 MB in the end (delta: 14.7 MB). Free memory was 558.4 MB in the beginning and 576.7 MB in the end (delta: -18.3 MB). There was no memory consumed. Max. memory is 50.3 GB. 11.29/5.57 [2019-03-28 22:26:02,885 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.29/5.57 [2019-03-28 22:26:02,885 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.95 ms. Allocated memory was 649.6 MB in the beginning and 664.3 MB in the end (delta: 14.7 MB). Free memory was 558.4 MB in the beginning and 632.1 MB in the end (delta: -73.7 MB). Peak memory consumption was 30.1 MB. Max. memory is 50.3 GB. 11.29/5.57 [2019-03-28 22:26:02,886 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.56 ms. Allocated memory is still 664.3 MB. Free memory was 632.1 MB in the beginning and 631.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 11.29/5.57 [2019-03-28 22:26:02,887 INFO L168 Benchmark]: Boogie Preprocessor took 19.92 ms. Allocated memory is still 664.3 MB. Free memory was 631.0 MB in the beginning and 628.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 11.29/5.57 [2019-03-28 22:26:02,887 INFO L168 Benchmark]: RCFGBuilder took 198.24 ms. Allocated memory is still 664.3 MB. Free memory was 628.2 MB in the beginning and 614.4 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 50.3 GB. 11.29/5.57 [2019-03-28 22:26:02,888 INFO L168 Benchmark]: BlockEncodingV2 took 82.74 ms. Allocated memory is still 664.3 MB. Free memory was 614.4 MB in the beginning and 609.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 11.29/5.57 [2019-03-28 22:26:02,889 INFO L168 Benchmark]: TraceAbstraction took 157.65 ms. Allocated memory is still 664.3 MB. Free memory was 609.0 MB in the beginning and 599.3 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 11.29/5.57 [2019-03-28 22:26:02,889 INFO L168 Benchmark]: BuchiAutomizer took 259.47 ms. Allocated memory is still 664.3 MB. Free memory was 599.3 MB in the beginning and 576.7 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 50.3 GB. 11.29/5.57 [2019-03-28 22:26:02,894 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 11.29/5.57 --- Results --- 11.29/5.57 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 11.29/5.57 - StatisticsResult: Initial Icfg 11.29/5.57 8 locations, 11 edges 11.29/5.57 - StatisticsResult: Encoded RCFG 11.29/5.57 3 locations, 5 edges 11.29/5.57 * Results from de.uni_freiburg.informatik.ultimate.core: 11.29/5.57 - StatisticsResult: Toolchain Benchmarks 11.29/5.57 Benchmark results are: 11.29/5.57 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.29/5.57 * CACSL2BoogieTranslator took 291.95 ms. Allocated memory was 649.6 MB in the beginning and 664.3 MB in the end (delta: 14.7 MB). Free memory was 558.4 MB in the beginning and 632.1 MB in the end (delta: -73.7 MB). Peak memory consumption was 30.1 MB. Max. memory is 50.3 GB. 11.29/5.57 * Boogie Procedure Inliner took 35.56 ms. Allocated memory is still 664.3 MB. Free memory was 632.1 MB in the beginning and 631.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 11.29/5.57 * Boogie Preprocessor took 19.92 ms. Allocated memory is still 664.3 MB. Free memory was 631.0 MB in the beginning and 628.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 11.29/5.57 * RCFGBuilder took 198.24 ms. Allocated memory is still 664.3 MB. Free memory was 628.2 MB in the beginning and 614.4 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 50.3 GB. 11.29/5.57 * BlockEncodingV2 took 82.74 ms. Allocated memory is still 664.3 MB. Free memory was 614.4 MB in the beginning and 609.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 11.29/5.57 * TraceAbstraction took 157.65 ms. Allocated memory is still 664.3 MB. Free memory was 609.0 MB in the beginning and 599.3 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 11.29/5.57 * BuchiAutomizer took 259.47 ms. Allocated memory is still 664.3 MB. Free memory was 599.3 MB in the beginning and 576.7 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 50.3 GB. 11.29/5.57 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 11.29/5.57 - AllSpecificationsHoldResult: All specifications hold 11.29/5.57 We were not able to verify any specifiation because the program does not contain any specification. 11.29/5.57 - InvariantResult [Line: 21]: Loop Invariant 11.29/5.57 Derived loop invariant: 1 11.29/5.57 - StatisticsResult: Ultimate Automizer benchmark data 11.29/5.57 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 11.29/5.57 - StatisticsResult: Constructed decomposition of program 11.29/5.57 Trivial decomposition into one nonterminating module. 11.29/5.57 - StatisticsResult: Timing statistics 11.29/5.57 BüchiAutomizer plugin needed 0.2s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s 11.29/5.57 - TerminationAnalysisResult: Nontermination possible 11.29/5.57 Buchi Automizer proved that your program is nonterminating for some inputs 11.29/5.57 - FixpointNonTerminationResult [Line: 21]: Nontermination argument in form of an infinite program execution. 11.29/5.57 Nontermination argument in form of an infinite execution 11.29/5.57 State at position 0 is 11.29/5.57 {} 11.29/5.57 State at position 1 is 11.29/5.57 {y2=1, y1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4eff8c8c=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6bf97c6f=0} 11.29/5.57 - StatisticsResult: NonterminationArgumentStatistics 11.29/5.57 Fixpoint 11.29/5.57 - NonterminatingLassoResult [Line: 21]: Nonterminating execution 11.29/5.57 Found a nonterminating execution for the following lasso shaped sequence of statements. 11.29/5.57 Stem: 11.29/5.57 [L17] int y1, y2; 11.29/5.57 [L18] y1 = __VERIFIER_nondet_int() 11.29/5.57 [L19] y2 = __VERIFIER_nondet_int() 11.29/5.57 [L20] COND TRUE y1 >= 0 && y2 >= 0 11.29/5.57 Loop: 11.29/5.57 [L21] COND TRUE y1 != y2 11.29/5.57 [L22] COND FALSE !(y1 > y2) 11.29/5.57 [L25] y2 = y2 - y1 11.29/5.57 End of lasso representation. 11.29/5.57 RESULT: Ultimate proved your program to be incorrect! 11.29/5.57 !SESSION 2019-03-28 22:25:58.544 ----------------------------------------------- 11.29/5.57 eclipse.buildId=unknown 11.29/5.57 java.version=1.8.0_181 11.29/5.57 java.vendor=Oracle Corporation 11.29/5.57 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 11.29/5.57 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 11.29/5.57 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 11.29/5.57 11.29/5.57 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:26:03.131 11.29/5.57 !MESSAGE The workspace will exit with unsaved changes in this session. 11.29/5.57 Received shutdown request... 11.29/5.57 Ultimate: 11.29/5.57 GTK+ Version Check 11.29/5.57 EOF