19.76/9.76 YES 19.76/9.76 19.76/9.76 Ultimate: Cannot open display: 19.76/9.76 This is Ultimate 0.1.24-8dc7c08-m 19.76/9.76 [2019-03-28 22:36:01,369 INFO L170 SettingsManager]: Resetting all preferences to default values... 19.76/9.76 [2019-03-28 22:36:01,371 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 19.76/9.76 [2019-03-28 22:36:01,382 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 19.76/9.76 [2019-03-28 22:36:01,382 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 19.76/9.76 [2019-03-28 22:36:01,383 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 19.76/9.76 [2019-03-28 22:36:01,385 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 19.76/9.76 [2019-03-28 22:36:01,386 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 19.76/9.76 [2019-03-28 22:36:01,388 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 19.76/9.76 [2019-03-28 22:36:01,389 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 19.76/9.76 [2019-03-28 22:36:01,389 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 19.76/9.76 [2019-03-28 22:36:01,390 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 19.76/9.76 [2019-03-28 22:36:01,391 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 19.76/9.76 [2019-03-28 22:36:01,392 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 19.76/9.76 [2019-03-28 22:36:01,393 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 19.76/9.76 [2019-03-28 22:36:01,393 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 19.76/9.76 [2019-03-28 22:36:01,394 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 19.76/9.76 [2019-03-28 22:36:01,396 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 19.76/9.76 [2019-03-28 22:36:01,398 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 19.76/9.76 [2019-03-28 22:36:01,399 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 19.76/9.76 [2019-03-28 22:36:01,400 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 19.76/9.76 [2019-03-28 22:36:01,402 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 19.76/9.76 [2019-03-28 22:36:01,404 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 19.76/9.76 [2019-03-28 22:36:01,404 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 19.76/9.76 [2019-03-28 22:36:01,404 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 19.76/9.76 [2019-03-28 22:36:01,405 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 19.76/9.76 [2019-03-28 22:36:01,405 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 19.76/9.77 [2019-03-28 22:36:01,406 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 19.76/9.77 [2019-03-28 22:36:01,407 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 19.76/9.77 [2019-03-28 22:36:01,407 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 19.76/9.77 [2019-03-28 22:36:01,408 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 19.76/9.77 [2019-03-28 22:36:01,409 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 19.76/9.77 [2019-03-28 22:36:01,410 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 19.76/9.77 [2019-03-28 22:36:01,410 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 19.76/9.77 [2019-03-28 22:36:01,411 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 19.76/9.77 [2019-03-28 22:36:01,411 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 19.76/9.77 [2019-03-28 22:36:01,411 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 19.76/9.77 [2019-03-28 22:36:01,412 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 19.76/9.77 [2019-03-28 22:36:01,412 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 19.76/9.77 [2019-03-28 22:36:01,413 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 19.76/9.77 [2019-03-28 22:36:01,427 INFO L110 SettingsManager]: Loading preferences was successful 19.76/9.77 [2019-03-28 22:36:01,428 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 19.76/9.77 [2019-03-28 22:36:01,429 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 19.76/9.77 [2019-03-28 22:36:01,429 INFO L133 SettingsManager]: * Rewrite not-equals=true 19.76/9.77 [2019-03-28 22:36:01,429 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 19.76/9.77 [2019-03-28 22:36:01,429 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 19.76/9.77 [2019-03-28 22:36:01,429 INFO L133 SettingsManager]: * Use SBE=true 19.76/9.77 [2019-03-28 22:36:01,430 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 19.76/9.77 [2019-03-28 22:36:01,430 INFO L133 SettingsManager]: * Use old map elimination=false 19.76/9.77 [2019-03-28 22:36:01,430 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 19.76/9.77 [2019-03-28 22:36:01,430 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 19.76/9.77 [2019-03-28 22:36:01,430 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 19.76/9.77 [2019-03-28 22:36:01,431 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 19.76/9.77 [2019-03-28 22:36:01,431 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 19.76/9.77 [2019-03-28 22:36:01,431 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 19.76/9.77 [2019-03-28 22:36:01,431 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 19.76/9.77 [2019-03-28 22:36:01,431 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 19.76/9.77 [2019-03-28 22:36:01,431 INFO L133 SettingsManager]: * Check division by zero=IGNORE 19.76/9.77 [2019-03-28 22:36:01,432 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 19.76/9.77 [2019-03-28 22:36:01,432 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 19.76/9.77 [2019-03-28 22:36:01,432 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 19.76/9.77 [2019-03-28 22:36:01,432 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 19.76/9.77 [2019-03-28 22:36:01,432 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 19.76/9.77 [2019-03-28 22:36:01,433 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 19.76/9.77 [2019-03-28 22:36:01,433 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 19.76/9.77 [2019-03-28 22:36:01,433 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 19.76/9.77 [2019-03-28 22:36:01,433 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 19.76/9.77 [2019-03-28 22:36:01,433 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 19.76/9.77 [2019-03-28 22:36:01,434 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 19.76/9.77 [2019-03-28 22:36:01,459 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 19.76/9.77 [2019-03-28 22:36:01,473 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 19.76/9.77 [2019-03-28 22:36:01,476 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 19.76/9.77 [2019-03-28 22:36:01,478 INFO L271 PluginConnector]: Initializing CDTParser... 19.76/9.77 [2019-03-28 22:36:01,478 INFO L276 PluginConnector]: CDTParser initialized 19.76/9.77 [2019-03-28 22:36:01,479 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 19.76/9.77 [2019-03-28 22:36:01,544 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/3221fa2a150a4054927a93521feb875b/FLAG194c464a1 19.76/9.77 [2019-03-28 22:36:01,887 INFO L307 CDTParser]: Found 1 translation units. 19.76/9.77 [2019-03-28 22:36:01,887 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 19.76/9.77 [2019-03-28 22:36:01,894 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/3221fa2a150a4054927a93521feb875b/FLAG194c464a1 19.76/9.77 [2019-03-28 22:36:02,296 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/3221fa2a150a4054927a93521feb875b 19.76/9.77 [2019-03-28 22:36:02,307 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 19.76/9.77 [2019-03-28 22:36:02,309 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 19.76/9.77 [2019-03-28 22:36:02,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 19.76/9.77 [2019-03-28 22:36:02,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 19.76/9.77 [2019-03-28 22:36:02,314 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 19.76/9.77 [2019-03-28 22:36:02,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:36:02" (1/1) ... 19.76/9.77 [2019-03-28 22:36:02,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d9b5d83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:36:02, skipping insertion in model container 19.76/9.77 [2019-03-28 22:36:02,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:36:02" (1/1) ... 19.76/9.77 [2019-03-28 22:36:02,326 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 19.76/9.77 [2019-03-28 22:36:02,343 INFO L176 MainTranslator]: Built tables and reachable declarations 19.76/9.77 [2019-03-28 22:36:02,498 INFO L206 PostProcessor]: Analyzing one entry point: main 19.76/9.77 [2019-03-28 22:36:02,503 INFO L191 MainTranslator]: Completed pre-run 19.76/9.77 [2019-03-28 22:36:02,519 INFO L206 PostProcessor]: Analyzing one entry point: main 19.76/9.77 [2019-03-28 22:36:02,534 INFO L195 MainTranslator]: Completed translation 19.76/9.77 [2019-03-28 22:36:02,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:36:02 WrapperNode 19.76/9.77 [2019-03-28 22:36:02,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 19.76/9.77 [2019-03-28 22:36:02,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 19.76/9.77 [2019-03-28 22:36:02,536 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 19.76/9.77 [2019-03-28 22:36:02,536 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 19.76/9.77 [2019-03-28 22:36:02,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:36:02" (1/1) ... 19.76/9.77 [2019-03-28 22:36:02,614 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:36:02" (1/1) ... 19.76/9.77 [2019-03-28 22:36:02,636 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 19.76/9.77 [2019-03-28 22:36:02,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 19.76/9.77 [2019-03-28 22:36:02,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 19.76/9.77 [2019-03-28 22:36:02,636 INFO L276 PluginConnector]: Boogie Preprocessor initialized 19.76/9.77 [2019-03-28 22:36:02,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:36:02" (1/1) ... 19.76/9.77 [2019-03-28 22:36:02,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:36:02" (1/1) ... 19.76/9.77 [2019-03-28 22:36:02,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:36:02" (1/1) ... 19.76/9.77 [2019-03-28 22:36:02,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:36:02" (1/1) ... 19.76/9.77 [2019-03-28 22:36:02,649 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:36:02" (1/1) ... 19.76/9.77 [2019-03-28 22:36:02,654 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:36:02" (1/1) ... 19.76/9.77 [2019-03-28 22:36:02,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:36:02" (1/1) ... 19.76/9.77 [2019-03-28 22:36:02,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 19.76/9.77 [2019-03-28 22:36:02,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 19.76/9.77 [2019-03-28 22:36:02,657 INFO L271 PluginConnector]: Initializing RCFGBuilder... 19.76/9.77 [2019-03-28 22:36:02,657 INFO L276 PluginConnector]: RCFGBuilder initialized 19.76/9.77 [2019-03-28 22:36:02,658 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:36:02" (1/1) ... 19.76/9.77 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 19.76/9.77 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 19.76/9.77 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 19.76/9.77 [2019-03-28 22:36:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 19.76/9.77 [2019-03-28 22:36:02,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 19.76/9.77 [2019-03-28 22:36:02,867 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 19.76/9.77 [2019-03-28 22:36:02,867 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. 19.76/9.77 [2019-03-28 22:36:02,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:36:02 BoogieIcfgContainer 19.76/9.77 [2019-03-28 22:36:02,869 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 19.76/9.77 [2019-03-28 22:36:02,869 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 19.76/9.77 [2019-03-28 22:36:02,869 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 19.76/9.77 [2019-03-28 22:36:02,872 INFO L276 PluginConnector]: BlockEncodingV2 initialized 19.76/9.77 [2019-03-28 22:36:02,873 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:36:02" (1/1) ... 19.76/9.77 [2019-03-28 22:36:02,888 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges 19.76/9.77 [2019-03-28 22:36:02,890 INFO L258 BlockEncoder]: Using Remove infeasible edges 19.76/9.77 [2019-03-28 22:36:02,891 INFO L263 BlockEncoder]: Using Maximize final states 19.76/9.77 [2019-03-28 22:36:02,891 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 19.76/9.77 [2019-03-28 22:36:02,892 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 19.76/9.77 [2019-03-28 22:36:02,893 INFO L296 BlockEncoder]: Using Remove sink states 19.76/9.77 [2019-03-28 22:36:02,894 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 19.76/9.77 [2019-03-28 22:36:02,895 INFO L179 BlockEncoder]: Using Rewrite not-equals 19.76/9.77 [2019-03-28 22:36:02,910 INFO L185 BlockEncoder]: Using Use SBE 19.76/9.77 [2019-03-28 22:36:02,924 INFO L200 BlockEncoder]: SBE split 2 edges 19.76/9.77 [2019-03-28 22:36:02,929 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility 19.76/9.77 [2019-03-28 22:36:02,930 INFO L71 MaximizeFinalStates]: 0 new accepting states 19.76/9.77 [2019-03-28 22:36:02,941 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 19.76/9.77 [2019-03-28 22:36:02,943 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 19.76/9.77 [2019-03-28 22:36:02,944 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 19.76/9.77 [2019-03-28 22:36:02,944 INFO L71 MaximizeFinalStates]: 0 new accepting states 19.76/9.77 [2019-03-28 22:36:02,945 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 19.76/9.77 [2019-03-28 22:36:02,945 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 19.76/9.77 [2019-03-28 22:36:02,945 INFO L313 BlockEncoder]: Encoded RCFG 4 locations, 6 edges 19.76/9.77 [2019-03-28 22:36:02,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:36:02 BasicIcfg 19.76/9.77 [2019-03-28 22:36:02,946 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 19.76/9.77 [2019-03-28 22:36:02,947 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 19.76/9.77 [2019-03-28 22:36:02,947 INFO L271 PluginConnector]: Initializing TraceAbstraction... 19.76/9.77 [2019-03-28 22:36:02,950 INFO L276 PluginConnector]: TraceAbstraction initialized 19.76/9.77 [2019-03-28 22:36:02,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:36:02" (1/4) ... 19.76/9.77 [2019-03-28 22:36:02,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cd31012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:36:02, skipping insertion in model container 19.76/9.77 [2019-03-28 22:36:02,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:36:02" (2/4) ... 19.76/9.77 [2019-03-28 22:36:02,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cd31012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:36:02, skipping insertion in model container 19.76/9.77 [2019-03-28 22:36:02,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:36:02" (3/4) ... 19.76/9.77 [2019-03-28 22:36:02,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cd31012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:36:02, skipping insertion in model container 19.76/9.77 [2019-03-28 22:36:02,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:36:02" (4/4) ... 19.76/9.77 [2019-03-28 22:36:02,954 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 19.76/9.77 [2019-03-28 22:36:02,964 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 19.76/9.77 [2019-03-28 22:36:02,972 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 19.76/9.77 [2019-03-28 22:36:02,990 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 19.76/9.77 [2019-03-28 22:36:03,018 INFO L133 ementStrategyFactory]: Using default assertion order modulation 19.76/9.77 [2019-03-28 22:36:03,019 INFO L382 AbstractCegarLoop]: Interprodecural is true 19.76/9.77 [2019-03-28 22:36:03,019 INFO L383 AbstractCegarLoop]: Hoare is true 19.76/9.77 [2019-03-28 22:36:03,019 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 19.76/9.77 [2019-03-28 22:36:03,019 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 19.76/9.77 [2019-03-28 22:36:03,019 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 19.76/9.77 [2019-03-28 22:36:03,020 INFO L387 AbstractCegarLoop]: Difference is false 19.76/9.77 [2019-03-28 22:36:03,020 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 19.76/9.77 [2019-03-28 22:36:03,020 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 19.76/9.77 [2019-03-28 22:36:03,034 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. 19.76/9.77 [2019-03-28 22:36:03,039 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 19.76/9.77 [2019-03-28 22:36:03,042 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. 19.76/9.77 [2019-03-28 22:36:03,094 INFO L451 ceAbstractionStarter]: At program point L17-2(lines 17 19) the Hoare annotation is: true 19.76/9.77 [2019-03-28 22:36:03,095 INFO L448 ceAbstractionStarter]: For program point L17-3(lines 17 19) no Hoare annotation was computed. 19.76/9.77 [2019-03-28 22:36:03,095 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 19.76/9.77 [2019-03-28 22:36:03,095 INFO L451 ceAbstractionStarter]: At program point L13-2(lines 13 23) the Hoare annotation is: true 19.76/9.77 [2019-03-28 22:36:03,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:36:03 BasicIcfg 19.76/9.77 [2019-03-28 22:36:03,103 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 19.76/9.77 [2019-03-28 22:36:03,104 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 19.76/9.77 [2019-03-28 22:36:03,104 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 19.76/9.77 [2019-03-28 22:36:03,108 INFO L276 PluginConnector]: BuchiAutomizer initialized 19.76/9.77 [2019-03-28 22:36:03,109 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 19.76/9.77 [2019-03-28 22:36:03,109 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:36:02" (1/5) ... 19.76/9.77 [2019-03-28 22:36:03,110 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f4526c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:36:03, skipping insertion in model container 19.76/9.77 [2019-03-28 22:36:03,110 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 19.76/9.77 [2019-03-28 22:36:03,110 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:36:02" (2/5) ... 19.76/9.77 [2019-03-28 22:36:03,110 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f4526c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:36:03, skipping insertion in model container 19.76/9.77 [2019-03-28 22:36:03,110 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 19.76/9.77 [2019-03-28 22:36:03,111 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:36:02" (3/5) ... 19.76/9.77 [2019-03-28 22:36:03,111 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f4526c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:36:03, skipping insertion in model container 19.76/9.77 [2019-03-28 22:36:03,111 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 19.76/9.77 [2019-03-28 22:36:03,111 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:36:02" (4/5) ... 19.76/9.77 [2019-03-28 22:36:03,112 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f4526c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:36:03, skipping insertion in model container 19.76/9.77 [2019-03-28 22:36:03,112 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 19.76/9.77 [2019-03-28 22:36:03,112 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:36:03" (5/5) ... 19.76/9.77 [2019-03-28 22:36:03,113 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 19.76/9.77 [2019-03-28 22:36:03,141 INFO L133 ementStrategyFactory]: Using default assertion order modulation 19.76/9.77 [2019-03-28 22:36:03,141 INFO L374 BuchiCegarLoop]: Interprodecural is true 19.76/9.77 [2019-03-28 22:36:03,141 INFO L375 BuchiCegarLoop]: Hoare is true 19.76/9.77 [2019-03-28 22:36:03,142 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 19.76/9.77 [2019-03-28 22:36:03,142 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 19.76/9.77 [2019-03-28 22:36:03,142 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 19.76/9.77 [2019-03-28 22:36:03,142 INFO L379 BuchiCegarLoop]: Difference is false 19.76/9.77 [2019-03-28 22:36:03,142 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 19.76/9.77 [2019-03-28 22:36:03,142 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 19.76/9.77 [2019-03-28 22:36:03,146 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 19.76/9.77 [2019-03-28 22:36:03,164 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 19.76/9.77 [2019-03-28 22:36:03,166 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 19.76/9.77 [2019-03-28 22:36:03,166 INFO L119 BuchiIsEmpty]: Starting construction of run 19.76/9.77 [2019-03-28 22:36:03,171 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 19.76/9.77 [2019-03-28 22:36:03,172 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 19.76/9.77 [2019-03-28 22:36:03,172 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 19.76/9.77 [2019-03-28 22:36:03,172 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 19.76/9.77 [2019-03-28 22:36:03,173 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 19.76/9.77 [2019-03-28 22:36:03,173 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 19.76/9.77 [2019-03-28 22:36:03,173 INFO L119 BuchiIsEmpty]: Starting construction of run 19.76/9.77 [2019-03-28 22:36:03,173 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 19.76/9.77 [2019-03-28 22:36:03,173 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 19.76/9.77 [2019-03-28 22:36:03,178 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [35] ULTIMATE.startENTRY-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~tmp~0=v_ULTIMATE.start_main_~tmp~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~tmp~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~xtmp~0] 5#L13-2true 19.76/9.77 [2019-03-28 22:36:03,179 INFO L796 eck$LassoCheckResult]: Loop: 5#L13-2true [38] L13-2-->L17-2: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_10) (< 0 v_ULTIMATE.start_main_~x~0_8) (= v_ULTIMATE.start_main_~tmp~0_5 v_ULTIMATE.start_main_~y~0_10) (= v_ULTIMATE.start_main_~xtmp~0_8 v_ULTIMATE.start_main_~x~0_8)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~tmp~0=v_ULTIMATE.start_main_~tmp~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~tmp~0, ULTIMATE.start_main_~xtmp~0] 3#L17-2true [46] L17-2-->L17-3: Formula: (>= 0 v_ULTIMATE.start_main_~y~0_6) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6} AuxVars[] AssignedVars[] 6#L17-3true [40] L17-3-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_6 v_ULTIMATE.start_main_~tmp~0_4) (= v_ULTIMATE.start_main_~y~0_8 v_ULTIMATE.start_main_~xtmp~0_7)) InVars {ULTIMATE.start_main_~tmp~0=v_ULTIMATE.start_main_~tmp~0_4, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~tmp~0=v_ULTIMATE.start_main_~tmp~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 5#L13-2true 19.76/9.77 [2019-03-28 22:36:03,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 19.76/9.77 [2019-03-28 22:36:03,185 INFO L82 PathProgramCache]: Analyzing trace with hash 66, now seen corresponding path program 1 times 19.76/9.77 [2019-03-28 22:36:03,187 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 19.76/9.77 [2019-03-28 22:36:03,188 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 19.76/9.77 [2019-03-28 22:36:03,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 19.76/9.77 [2019-03-28 22:36:03,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 19.76/9.77 [2019-03-28 22:36:03,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 19.76/9.77 [2019-03-28 22:36:03,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 19.76/9.77 [2019-03-28 22:36:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 19.76/9.77 [2019-03-28 22:36:03,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 19.76/9.77 [2019-03-28 22:36:03,262 INFO L82 PathProgramCache]: Analyzing trace with hash 67775, now seen corresponding path program 1 times 19.76/9.77 [2019-03-28 22:36:03,262 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 19.76/9.77 [2019-03-28 22:36:03,262 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 19.76/9.77 [2019-03-28 22:36:03,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 19.76/9.77 [2019-03-28 22:36:03,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 19.76/9.77 [2019-03-28 22:36:03,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 19.76/9.77 [2019-03-28 22:36:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 19.76/9.77 [2019-03-28 22:36:03,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 19.76/9.77 [2019-03-28 22:36:03,306 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 19.76/9.77 [2019-03-28 22:36:03,306 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 19.76/9.77 [2019-03-28 22:36:03,311 INFO L811 eck$LassoCheckResult]: loop already infeasible 19.76/9.77 [2019-03-28 22:36:03,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 19.76/9.77 [2019-03-28 22:36:03,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 19.76/9.77 [2019-03-28 22:36:03,329 INFO L87 Difference]: Start difference. First operand 4 states. Second operand 3 states. 19.76/9.77 [2019-03-28 22:36:03,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 19.76/9.77 [2019-03-28 22:36:03,349 INFO L93 Difference]: Finished difference Result 4 states and 5 transitions. 19.76/9.77 [2019-03-28 22:36:03,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 19.76/9.77 [2019-03-28 22:36:03,353 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4 states and 5 transitions. 19.76/9.77 [2019-03-28 22:36:03,353 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 19.76/9.77 [2019-03-28 22:36:03,357 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4 states to 4 states and 5 transitions. 19.76/9.77 [2019-03-28 22:36:03,359 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 19.76/9.77 [2019-03-28 22:36:03,359 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 19.76/9.77 [2019-03-28 22:36:03,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 5 transitions. 19.76/9.77 [2019-03-28 22:36:03,360 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 19.76/9.77 [2019-03-28 22:36:03,360 INFO L706 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. 19.76/9.77 [2019-03-28 22:36:03,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states and 5 transitions. 19.76/9.77 [2019-03-28 22:36:03,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. 19.76/9.77 [2019-03-28 22:36:03,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 19.76/9.77 [2019-03-28 22:36:03,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions. 19.76/9.77 [2019-03-28 22:36:03,390 INFO L729 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. 19.76/9.77 [2019-03-28 22:36:03,390 INFO L609 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. 19.76/9.77 [2019-03-28 22:36:03,391 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 19.76/9.77 [2019-03-28 22:36:03,391 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 5 transitions. 19.76/9.77 [2019-03-28 22:36:03,391 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 19.76/9.77 [2019-03-28 22:36:03,391 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 19.76/9.77 [2019-03-28 22:36:03,391 INFO L119 BuchiIsEmpty]: Starting construction of run 19.76/9.77 [2019-03-28 22:36:03,392 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 19.76/9.77 [2019-03-28 22:36:03,392 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 19.76/9.77 [2019-03-28 22:36:03,392 INFO L794 eck$LassoCheckResult]: Stem: 19#ULTIMATE.startENTRY [35] ULTIMATE.startENTRY-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~tmp~0=v_ULTIMATE.start_main_~tmp~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~tmp~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~xtmp~0] 20#L13-2 19.76/9.77 [2019-03-28 22:36:03,393 INFO L796 eck$LassoCheckResult]: Loop: 20#L13-2 [38] L13-2-->L17-2: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_10) (< 0 v_ULTIMATE.start_main_~x~0_8) (= v_ULTIMATE.start_main_~tmp~0_5 v_ULTIMATE.start_main_~y~0_10) (= v_ULTIMATE.start_main_~xtmp~0_8 v_ULTIMATE.start_main_~x~0_8)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~tmp~0=v_ULTIMATE.start_main_~tmp~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~tmp~0, ULTIMATE.start_main_~xtmp~0] 17#L17-2 [47] L17-2-->L17-3: Formula: (> v_ULTIMATE.start_main_~y~0_6 v_ULTIMATE.start_main_~xtmp~0_4) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_4} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_4} AuxVars[] AssignedVars[] 18#L17-3 [40] L17-3-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_6 v_ULTIMATE.start_main_~tmp~0_4) (= v_ULTIMATE.start_main_~y~0_8 v_ULTIMATE.start_main_~xtmp~0_7)) InVars {ULTIMATE.start_main_~tmp~0=v_ULTIMATE.start_main_~tmp~0_4, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~tmp~0=v_ULTIMATE.start_main_~tmp~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 20#L13-2 19.76/9.77 [2019-03-28 22:36:03,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 19.76/9.77 [2019-03-28 22:36:03,393 INFO L82 PathProgramCache]: Analyzing trace with hash 66, now seen corresponding path program 2 times 19.76/9.77 [2019-03-28 22:36:03,393 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 19.76/9.77 [2019-03-28 22:36:03,393 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 19.76/9.77 [2019-03-28 22:36:03,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 19.76/9.77 [2019-03-28 22:36:03,395 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 19.76/9.77 [2019-03-28 22:36:03,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 19.76/9.77 [2019-03-28 22:36:03,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 19.76/9.77 [2019-03-28 22:36:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 19.76/9.77 [2019-03-28 22:36:03,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 19.76/9.77 [2019-03-28 22:36:03,400 INFO L82 PathProgramCache]: Analyzing trace with hash 67806, now seen corresponding path program 1 times 19.76/9.77 [2019-03-28 22:36:03,400 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 19.76/9.77 [2019-03-28 22:36:03,401 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 19.76/9.77 [2019-03-28 22:36:03,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 19.76/9.77 [2019-03-28 22:36:03,402 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 19.76/9.77 [2019-03-28 22:36:03,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 19.76/9.77 [2019-03-28 22:36:03,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 19.76/9.77 [2019-03-28 22:36:03,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 19.76/9.77 [2019-03-28 22:36:03,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 19.76/9.77 [2019-03-28 22:36:03,416 INFO L82 PathProgramCache]: Analyzing trace with hash 2004221, now seen corresponding path program 1 times 19.76/9.77 [2019-03-28 22:36:03,416 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 19.76/9.77 [2019-03-28 22:36:03,416 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 19.76/9.77 [2019-03-28 22:36:03,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 19.76/9.77 [2019-03-28 22:36:03,417 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 19.76/9.77 [2019-03-28 22:36:03,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 19.76/9.77 [2019-03-28 22:36:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 19.76/9.77 [2019-03-28 22:36:03,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 19.76/9.77 [2019-03-28 22:36:03,496 INFO L216 LassoAnalysis]: Preferences: 19.76/9.77 [2019-03-28 22:36:03,497 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 19.76/9.77 [2019-03-28 22:36:03,497 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 19.76/9.77 [2019-03-28 22:36:03,497 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 19.76/9.77 [2019-03-28 22:36:03,497 INFO L127 ssoRankerPreferences]: Use exernal solver: true 19.76/9.77 [2019-03-28 22:36:03,497 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 19.76/9.77 [2019-03-28 22:36:03,498 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 19.76/9.77 [2019-03-28 22:36:03,498 INFO L130 ssoRankerPreferences]: Path of dumped script: 19.76/9.77 [2019-03-28 22:36:03,498 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 19.76/9.77 [2019-03-28 22:36:03,498 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 19.76/9.77 [2019-03-28 22:36:03,498 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 19.76/9.77 [2019-03-28 22:36:03,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 19.76/9.77 [2019-03-28 22:36:03,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 19.76/9.77 [2019-03-28 22:36:03,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 19.76/9.77 [2019-03-28 22:36:03,658 INFO L300 LassoAnalysis]: Preprocessing complete. 19.76/9.77 [2019-03-28 22:36:03,659 INFO L412 LassoAnalysis]: Checking for nontermination... 19.76/9.77 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 19.76/9.77 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 19.76/9.77 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 19.76/9.77 [2019-03-28 22:36:03,667 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 19.76/9.77 [2019-03-28 22:36:03,667 INFO L163 nArgumentSynthesizer]: Using integer mode. 19.76/9.77 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 19.76/9.77 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 19.76/9.77 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 19.76/9.77 [2019-03-28 22:36:03,710 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 19.76/9.77 [2019-03-28 22:36:03,710 INFO L163 nArgumentSynthesizer]: Using integer mode. 19.76/9.77 [2019-03-28 22:36:05,200 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 19.76/9.77 [2019-03-28 22:36:05,203 INFO L216 LassoAnalysis]: Preferences: 19.76/9.77 [2019-03-28 22:36:05,203 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 19.76/9.77 [2019-03-28 22:36:05,203 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 19.76/9.77 [2019-03-28 22:36:05,203 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 19.76/9.77 [2019-03-28 22:36:05,203 INFO L127 ssoRankerPreferences]: Use exernal solver: false 19.76/9.77 [2019-03-28 22:36:05,204 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 19.76/9.77 [2019-03-28 22:36:05,204 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 19.76/9.77 [2019-03-28 22:36:05,204 INFO L130 ssoRankerPreferences]: Path of dumped script: 19.76/9.77 [2019-03-28 22:36:05,204 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 19.76/9.77 [2019-03-28 22:36:05,204 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 19.76/9.77 [2019-03-28 22:36:05,204 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 19.76/9.77 [2019-03-28 22:36:05,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 19.76/9.77 [2019-03-28 22:36:05,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 19.76/9.77 [2019-03-28 22:36:05,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 19.76/9.77 [2019-03-28 22:36:05,302 INFO L300 LassoAnalysis]: Preprocessing complete. 19.76/9.77 [2019-03-28 22:36:05,308 INFO L497 LassoAnalysis]: Using template 'affine'. 19.76/9.77 [2019-03-28 22:36:05,310 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 19.76/9.77 Termination analysis: LINEAR_WITH_GUESSES 19.76/9.77 Number of strict supporting invariants: 0 19.76/9.77 Number of non-strict supporting invariants: 1 19.76/9.77 Consider only non-deceasing supporting invariants: true 19.76/9.77 Simplify termination arguments: true 19.76/9.77 Simplify supporting invariants: trueOverapproximate stem: false 19.76/9.77 [2019-03-28 22:36:05,311 INFO L339 nArgumentSynthesizer]: Template has degree 0. 19.76/9.77 [2019-03-28 22:36:05,312 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 19.76/9.77 [2019-03-28 22:36:05,312 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 19.76/9.77 [2019-03-28 22:36:05,312 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 19.76/9.77 [2019-03-28 22:36:05,317 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 19.76/9.77 [2019-03-28 22:36:05,317 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 19.76/9.77 [2019-03-28 22:36:05,325 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 19.76/9.77 [2019-03-28 22:36:05,325 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 19.76/9.77 Termination analysis: LINEAR_WITH_GUESSES 19.76/9.77 Number of strict supporting invariants: 0 19.76/9.77 Number of non-strict supporting invariants: 1 19.76/9.77 Consider only non-deceasing supporting invariants: true 19.76/9.77 Simplify termination arguments: true 19.76/9.77 Simplify supporting invariants: trueOverapproximate stem: false 19.76/9.77 [2019-03-28 22:36:05,326 INFO L339 nArgumentSynthesizer]: Template has degree 0. 19.76/9.77 [2019-03-28 22:36:05,326 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 19.76/9.77 [2019-03-28 22:36:05,327 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 19.76/9.77 [2019-03-28 22:36:05,327 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 19.76/9.77 [2019-03-28 22:36:05,327 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 19.76/9.77 [2019-03-28 22:36:05,329 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 19.76/9.77 [2019-03-28 22:36:05,329 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 19.76/9.77 [2019-03-28 22:36:05,348 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 19.76/9.77 [2019-03-28 22:36:05,361 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 19.76/9.77 [2019-03-28 22:36:05,362 INFO L444 ModelExtractionUtils]: 3 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. 19.76/9.77 [2019-03-28 22:36:05,364 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 19.76/9.77 [2019-03-28 22:36:05,364 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 19.76/9.77 [2019-03-28 22:36:05,364 INFO L518 LassoAnalysis]: Proved termination. 19.76/9.77 [2019-03-28 22:36:05,365 INFO L520 LassoAnalysis]: Termination argument consisting of: 19.76/9.77 Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 19.76/9.77 Supporting invariants [] 19.76/9.77 [2019-03-28 22:36:05,366 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 19.76/9.77 [2019-03-28 22:36:05,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 19.76/9.77 [2019-03-28 22:36:05,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 19.76/9.77 [2019-03-28 22:36:05,391 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 19.76/9.77 [2019-03-28 22:36:05,393 INFO L279 TraceCheckSpWp]: Computing forward predicates... 19.76/9.77 [2019-03-28 22:36:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 19.76/9.77 [2019-03-28 22:36:05,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core 19.76/9.77 [2019-03-28 22:36:05,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... 19.76/9.77 [2019-03-28 22:36:05,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 19.76/9.77 [2019-03-28 22:36:05,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 19.76/9.77 [2019-03-28 22:36:05,469 INFO L137 LoopCannibalizer]: termination argument not suffcient for all loop shiftings 19.76/9.77 [2019-03-28 22:36:05,469 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization 19.76/9.77 [2019-03-28 22:36:05,472 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates 19.76/9.77 [2019-03-28 22:36:05,473 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states and 5 transitions. cyclomatic complexity: 2 Second operand 4 states. 19.76/9.77 [2019-03-28 22:36:05,576 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states and 5 transitions. cyclomatic complexity: 2. Second operand 4 states. Result 14 states and 20 transitions. Complement of second has 11 states. 19.76/9.77 [2019-03-28 22:36:05,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 4 non-accepting loop states 2 accepting loop states 19.76/9.77 [2019-03-28 22:36:05,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 19.76/9.77 [2019-03-28 22:36:05,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 15 transitions. 19.76/9.77 [2019-03-28 22:36:05,580 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 15 transitions. Stem has 1 letters. Loop has 3 letters. 19.76/9.77 [2019-03-28 22:36:05,582 INFO L116 BuchiAccepts]: Finished buchiAccepts. 19.76/9.77 [2019-03-28 22:36:05,582 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 15 transitions. Stem has 4 letters. Loop has 3 letters. 19.76/9.77 [2019-03-28 22:36:05,582 INFO L116 BuchiAccepts]: Finished buchiAccepts. 19.76/9.77 [2019-03-28 22:36:05,583 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 15 transitions. Stem has 1 letters. Loop has 6 letters. 19.76/9.77 [2019-03-28 22:36:05,583 INFO L116 BuchiAccepts]: Finished buchiAccepts. 19.76/9.77 [2019-03-28 22:36:05,588 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 20 transitions. 19.76/9.77 [2019-03-28 22:36:05,589 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 19.76/9.77 [2019-03-28 22:36:05,590 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 13 states and 18 transitions. 19.76/9.77 [2019-03-28 22:36:05,590 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 19.76/9.77 [2019-03-28 22:36:05,590 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 19.76/9.77 [2019-03-28 22:36:05,590 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. 19.76/9.77 [2019-03-28 22:36:05,591 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 19.76/9.77 [2019-03-28 22:36:05,591 INFO L706 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. 19.76/9.77 [2019-03-28 22:36:05,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. 19.76/9.77 [2019-03-28 22:36:05,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. 19.76/9.77 [2019-03-28 22:36:05,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. 19.76/9.77 [2019-03-28 22:36:05,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 17 transitions. 19.76/9.77 [2019-03-28 22:36:05,593 INFO L729 BuchiCegarLoop]: Abstraction has 12 states and 17 transitions. 19.76/9.77 [2019-03-28 22:36:05,593 INFO L609 BuchiCegarLoop]: Abstraction has 12 states and 17 transitions. 19.76/9.77 [2019-03-28 22:36:05,593 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 19.76/9.77 [2019-03-28 22:36:05,593 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 17 transitions. 19.76/9.77 [2019-03-28 22:36:05,594 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 19.76/9.77 [2019-03-28 22:36:05,594 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 19.76/9.77 [2019-03-28 22:36:05,594 INFO L119 BuchiIsEmpty]: Starting construction of run 19.76/9.77 [2019-03-28 22:36:05,595 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 19.76/9.77 [2019-03-28 22:36:05,595 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] 19.76/9.77 [2019-03-28 22:36:05,595 INFO L794 eck$LassoCheckResult]: Stem: 91#ULTIMATE.startENTRY [35] ULTIMATE.startENTRY-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~tmp~0=v_ULTIMATE.start_main_~tmp~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~tmp~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~xtmp~0] 92#L13-2 [38] L13-2-->L17-2: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_10) (< 0 v_ULTIMATE.start_main_~x~0_8) (= v_ULTIMATE.start_main_~tmp~0_5 v_ULTIMATE.start_main_~y~0_10) (= v_ULTIMATE.start_main_~xtmp~0_8 v_ULTIMATE.start_main_~x~0_8)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~tmp~0=v_ULTIMATE.start_main_~tmp~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~tmp~0, ULTIMATE.start_main_~xtmp~0] 86#L17-2 19.76/9.77 [2019-03-28 22:36:05,595 INFO L796 eck$LassoCheckResult]: Loop: 86#L17-2 [33] L17-2-->L17-2: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_7) (<= v_ULTIMATE.start_main_~y~0_7 v_ULTIMATE.start_main_~xtmp~0_6) (= v_ULTIMATE.start_main_~xtmp~0_5 (+ v_ULTIMATE.start_main_~xtmp~0_6 (* (- 1) v_ULTIMATE.start_main_~y~0_7)))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~xtmp~0] 87#L17-2 [47] L17-2-->L17-3: Formula: (> v_ULTIMATE.start_main_~y~0_6 v_ULTIMATE.start_main_~xtmp~0_4) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_4} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_4} AuxVars[] AssignedVars[] 95#L17-3 [40] L17-3-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_6 v_ULTIMATE.start_main_~tmp~0_4) (= v_ULTIMATE.start_main_~y~0_8 v_ULTIMATE.start_main_~xtmp~0_7)) InVars {ULTIMATE.start_main_~tmp~0=v_ULTIMATE.start_main_~tmp~0_4, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~tmp~0=v_ULTIMATE.start_main_~tmp~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 93#L13-2 [38] L13-2-->L17-2: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_10) (< 0 v_ULTIMATE.start_main_~x~0_8) (= v_ULTIMATE.start_main_~tmp~0_5 v_ULTIMATE.start_main_~y~0_10) (= v_ULTIMATE.start_main_~xtmp~0_8 v_ULTIMATE.start_main_~x~0_8)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~tmp~0=v_ULTIMATE.start_main_~tmp~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~tmp~0, ULTIMATE.start_main_~xtmp~0] 86#L17-2 19.76/9.77 [2019-03-28 22:36:05,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 19.76/9.77 [2019-03-28 22:36:05,596 INFO L82 PathProgramCache]: Analyzing trace with hash 2084, now seen corresponding path program 1 times 19.76/9.77 [2019-03-28 22:36:05,596 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 19.76/9.77 [2019-03-28 22:36:05,596 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 19.76/9.77 [2019-03-28 22:36:05,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 19.76/9.77 [2019-03-28 22:36:05,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 19.76/9.77 [2019-03-28 22:36:05,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 19.76/9.77 [2019-03-28 22:36:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 19.76/9.77 [2019-03-28 22:36:05,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 19.76/9.77 [2019-03-28 22:36:05,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 19.76/9.77 [2019-03-28 22:36:05,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1953069, now seen corresponding path program 1 times 19.76/9.77 [2019-03-28 22:36:05,606 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 19.76/9.77 [2019-03-28 22:36:05,607 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 19.76/9.77 [2019-03-28 22:36:05,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 19.76/9.77 [2019-03-28 22:36:05,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 19.76/9.77 [2019-03-28 22:36:05,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 19.76/9.77 [2019-03-28 22:36:05,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 19.76/9.77 [2019-03-28 22:36:05,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 19.76/9.77 [2019-03-28 22:36:05,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 19.76/9.77 [2019-03-28 22:36:05,619 INFO L82 PathProgramCache]: Analyzing trace with hash 1925647312, now seen corresponding path program 1 times 19.76/9.77 [2019-03-28 22:36:05,620 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 19.76/9.77 [2019-03-28 22:36:05,620 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 19.76/9.77 [2019-03-28 22:36:05,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 19.76/9.77 [2019-03-28 22:36:05,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 19.76/9.77 [2019-03-28 22:36:05,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 19.76/9.77 [2019-03-28 22:36:05,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 19.76/9.77 [2019-03-28 22:36:05,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 19.76/9.77 [2019-03-28 22:36:05,705 INFO L216 LassoAnalysis]: Preferences: 19.76/9.77 [2019-03-28 22:36:05,705 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 19.76/9.77 [2019-03-28 22:36:05,705 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 19.76/9.77 [2019-03-28 22:36:05,706 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 19.76/9.77 [2019-03-28 22:36:05,706 INFO L127 ssoRankerPreferences]: Use exernal solver: true 19.76/9.77 [2019-03-28 22:36:05,706 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 19.76/9.77 [2019-03-28 22:36:05,706 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 19.76/9.77 [2019-03-28 22:36:05,706 INFO L130 ssoRankerPreferences]: Path of dumped script: 19.76/9.77 [2019-03-28 22:36:05,706 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 19.76/9.77 [2019-03-28 22:36:05,706 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 19.76/9.77 [2019-03-28 22:36:05,706 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 19.76/9.77 [2019-03-28 22:36:05,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 19.76/9.77 [2019-03-28 22:36:05,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 19.76/9.77 [2019-03-28 22:36:05,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 19.76/9.77 [2019-03-28 22:36:05,818 INFO L300 LassoAnalysis]: Preprocessing complete. 19.76/9.77 [2019-03-28 22:36:05,819 INFO L412 LassoAnalysis]: Checking for nontermination... 19.76/9.77 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 19.76/9.77 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 19.76/9.77 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 19.76/9.77 [2019-03-28 22:36:05,827 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 19.76/9.77 [2019-03-28 22:36:05,827 INFO L163 nArgumentSynthesizer]: Using integer mode. 19.76/9.77 [2019-03-28 22:36:05,859 INFO L445 LassoAnalysis]: Proved nontermination for one component. 19.76/9.77 [2019-03-28 22:36:05,859 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 19.76/9.77 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 19.76/9.77 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 19.76/9.77 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 19.76/9.77 [2019-03-28 22:36:05,866 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 19.76/9.77 [2019-03-28 22:36:05,867 INFO L163 nArgumentSynthesizer]: Using integer mode. 19.76/9.77 [2019-03-28 22:36:05,895 INFO L445 LassoAnalysis]: Proved nontermination for one component. 19.76/9.77 [2019-03-28 22:36:05,896 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 19.76/9.77 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 19.76/9.77 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 19.76/9.77 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 19.76/9.77 [2019-03-28 22:36:05,902 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 19.76/9.77 [2019-03-28 22:36:05,903 INFO L163 nArgumentSynthesizer]: Using integer mode. 19.76/9.77 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 19.76/9.77 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 19.76/9.77 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 19.76/9.77 [2019-03-28 22:36:05,942 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 19.76/9.77 [2019-03-28 22:36:05,942 INFO L163 nArgumentSynthesizer]: Using integer mode. 19.76/9.77 [2019-03-28 22:36:06,532 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 19.76/9.77 [2019-03-28 22:36:06,535 INFO L216 LassoAnalysis]: Preferences: 19.76/9.77 [2019-03-28 22:36:06,535 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 19.76/9.77 [2019-03-28 22:36:06,536 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 19.76/9.77 [2019-03-28 22:36:06,536 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 19.76/9.77 [2019-03-28 22:36:06,536 INFO L127 ssoRankerPreferences]: Use exernal solver: false 19.76/9.77 [2019-03-28 22:36:06,536 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 19.76/9.77 [2019-03-28 22:36:06,536 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 19.76/9.77 [2019-03-28 22:36:06,536 INFO L130 ssoRankerPreferences]: Path of dumped script: 19.76/9.77 [2019-03-28 22:36:06,536 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 19.76/9.77 [2019-03-28 22:36:06,537 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 19.76/9.77 [2019-03-28 22:36:06,537 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 19.76/9.77 [2019-03-28 22:36:06,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 19.76/9.77 [2019-03-28 22:36:06,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 19.76/9.77 [2019-03-28 22:36:06,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 19.76/9.77 [2019-03-28 22:36:06,630 INFO L300 LassoAnalysis]: Preprocessing complete. 19.76/9.77 [2019-03-28 22:36:06,630 INFO L497 LassoAnalysis]: Using template 'affine'. 19.76/9.77 [2019-03-28 22:36:06,631 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 19.76/9.77 Termination analysis: LINEAR_WITH_GUESSES 19.76/9.77 Number of strict supporting invariants: 0 19.76/9.77 Number of non-strict supporting invariants: 1 19.76/9.77 Consider only non-deceasing supporting invariants: true 19.76/9.77 Simplify termination arguments: true 19.76/9.77 Simplify supporting invariants: trueOverapproximate stem: false 19.76/9.77 [2019-03-28 22:36:06,632 INFO L339 nArgumentSynthesizer]: Template has degree 0. 19.76/9.77 [2019-03-28 22:36:06,632 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 19.76/9.77 [2019-03-28 22:36:06,632 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 19.76/9.77 [2019-03-28 22:36:06,632 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 19.76/9.77 [2019-03-28 22:36:06,634 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 19.76/9.77 [2019-03-28 22:36:06,635 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 19.76/9.77 [2019-03-28 22:36:06,639 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 19.76/9.77 [2019-03-28 22:36:06,639 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 19.76/9.77 Termination analysis: LINEAR_WITH_GUESSES 19.76/9.77 Number of strict supporting invariants: 0 19.76/9.77 Number of non-strict supporting invariants: 1 19.76/9.77 Consider only non-deceasing supporting invariants: true 19.76/9.77 Simplify termination arguments: true 19.76/9.77 Simplify supporting invariants: trueOverapproximate stem: false 19.76/9.77 [2019-03-28 22:36:06,640 INFO L339 nArgumentSynthesizer]: Template has degree 0. 19.76/9.77 [2019-03-28 22:36:06,640 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 19.76/9.77 [2019-03-28 22:36:06,640 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 19.76/9.77 [2019-03-28 22:36:06,640 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 19.76/9.77 [2019-03-28 22:36:06,640 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 19.76/9.77 [2019-03-28 22:36:06,641 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 19.76/9.77 [2019-03-28 22:36:06,642 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 19.76/9.77 [2019-03-28 22:36:06,651 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 19.76/9.77 [2019-03-28 22:36:06,663 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 19.76/9.77 [2019-03-28 22:36:06,663 INFO L444 ModelExtractionUtils]: 1 out of 6 variables were initially zero. Simplification set additionally 2 variables to zero. 19.76/9.77 [2019-03-28 22:36:06,663 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 19.76/9.77 [2019-03-28 22:36:06,664 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 19.76/9.77 [2019-03-28 22:36:06,664 INFO L518 LassoAnalysis]: Proved termination. 19.76/9.77 [2019-03-28 22:36:06,664 INFO L520 LassoAnalysis]: Termination argument consisting of: 19.76/9.77 Ranking function f(ULTIMATE.start_main_~xtmp~0, ULTIMATE.start_main_~tmp~0) = 1*ULTIMATE.start_main_~xtmp~0 + 1*ULTIMATE.start_main_~tmp~0 19.76/9.77 Supporting invariants [] 19.76/9.77 [2019-03-28 22:36:06,664 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 19.76/9.77 [2019-03-28 22:36:06,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 19.76/9.77 [2019-03-28 22:36:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 19.76/9.77 [2019-03-28 22:36:06,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core 19.76/9.77 [2019-03-28 22:36:06,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... 19.76/9.77 [2019-03-28 22:36:06,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 19.76/9.77 [2019-03-28 22:36:06,699 WARN L254 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 10 conjunts are in the unsatisfiable core 19.76/9.77 [2019-03-28 22:36:06,700 INFO L279 TraceCheckSpWp]: Computing forward predicates... 19.76/9.77 [2019-03-28 22:36:06,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 19.76/9.77 [2019-03-28 22:36:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 19.76/9.77 [2019-03-28 22:36:06,758 WARN L254 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 9 conjunts are in the unsatisfiable core 19.76/9.77 [2019-03-28 22:36:06,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... 19.76/9.77 [2019-03-28 22:36:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 19.76/9.77 [2019-03-28 22:36:06,889 INFO L137 LoopCannibalizer]: termination argument not suffcient for all loop shiftings 19.76/9.77 [2019-03-28 22:36:06,889 INFO L98 LoopCannibalizer]: 4 predicates before loop cannibalization 10 predicates after loop cannibalization 19.76/9.77 [2019-03-28 22:36:06,889 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 10 loop predicates 19.76/9.77 [2019-03-28 22:36:06,890 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 12 states and 17 transitions. cyclomatic complexity: 7 Second operand 5 states. 19.76/9.77 [2019-03-28 22:36:07,303 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 12 states and 17 transitions. cyclomatic complexity: 7. Second operand 5 states. Result 56 states and 75 transitions. Complement of second has 32 states. 19.76/9.77 [2019-03-28 22:36:07,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 7 non-accepting loop states 1 accepting loop states 19.76/9.77 [2019-03-28 22:36:07,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 19.76/9.77 [2019-03-28 22:36:07,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 18 transitions. 19.76/9.77 [2019-03-28 22:36:07,305 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 18 transitions. Stem has 2 letters. Loop has 4 letters. 19.76/9.77 [2019-03-28 22:36:07,305 INFO L116 BuchiAccepts]: Finished buchiAccepts. 19.76/9.77 [2019-03-28 22:36:07,305 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 18 transitions. Stem has 6 letters. Loop has 4 letters. 19.76/9.77 [2019-03-28 22:36:07,305 INFO L116 BuchiAccepts]: Finished buchiAccepts. 19.76/9.77 [2019-03-28 22:36:07,306 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 18 transitions. Stem has 2 letters. Loop has 8 letters. 19.76/9.77 [2019-03-28 22:36:07,306 INFO L116 BuchiAccepts]: Finished buchiAccepts. 19.76/9.77 [2019-03-28 22:36:07,307 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 56 states and 75 transitions. 19.76/9.77 [2019-03-28 22:36:07,311 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 19.76/9.77 [2019-03-28 22:36:07,314 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 56 states to 27 states and 40 transitions. 19.76/9.77 [2019-03-28 22:36:07,314 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 19.76/9.77 [2019-03-28 22:36:07,314 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 19.76/9.77 [2019-03-28 22:36:07,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 40 transitions. 19.76/9.77 [2019-03-28 22:36:07,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 19.76/9.77 [2019-03-28 22:36:07,314 INFO L706 BuchiCegarLoop]: Abstraction has 27 states and 40 transitions. 19.76/9.77 [2019-03-28 22:36:07,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 40 transitions. 19.76/9.77 [2019-03-28 22:36:07,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 14. 19.76/9.77 [2019-03-28 22:36:07,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. 19.76/9.77 [2019-03-28 22:36:07,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 21 transitions. 19.76/9.77 [2019-03-28 22:36:07,318 INFO L729 BuchiCegarLoop]: Abstraction has 14 states and 21 transitions. 19.76/9.77 [2019-03-28 22:36:07,318 INFO L609 BuchiCegarLoop]: Abstraction has 14 states and 21 transitions. 19.76/9.77 [2019-03-28 22:36:07,318 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 19.76/9.77 [2019-03-28 22:36:07,318 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 21 transitions. 19.76/9.77 [2019-03-28 22:36:07,319 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 19.76/9.77 [2019-03-28 22:36:07,319 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 19.76/9.77 [2019-03-28 22:36:07,319 INFO L119 BuchiIsEmpty]: Starting construction of run 19.76/9.77 [2019-03-28 22:36:07,320 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 19.76/9.77 [2019-03-28 22:36:07,320 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 19.76/9.77 [2019-03-28 22:36:07,320 INFO L794 eck$LassoCheckResult]: Stem: 256#ULTIMATE.startENTRY [35] ULTIMATE.startENTRY-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~tmp~0=v_ULTIMATE.start_main_~tmp~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~tmp~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~xtmp~0] 257#L13-2 [38] L13-2-->L17-2: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_10) (< 0 v_ULTIMATE.start_main_~x~0_8) (= v_ULTIMATE.start_main_~tmp~0_5 v_ULTIMATE.start_main_~y~0_10) (= v_ULTIMATE.start_main_~xtmp~0_8 v_ULTIMATE.start_main_~x~0_8)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~tmp~0=v_ULTIMATE.start_main_~tmp~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~tmp~0, ULTIMATE.start_main_~xtmp~0] 258#L17-2 [33] L17-2-->L17-2: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_7) (<= v_ULTIMATE.start_main_~y~0_7 v_ULTIMATE.start_main_~xtmp~0_6) (= v_ULTIMATE.start_main_~xtmp~0_5 (+ v_ULTIMATE.start_main_~xtmp~0_6 (* (- 1) v_ULTIMATE.start_main_~y~0_7)))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~xtmp~0] 253#L17-2 19.76/9.77 [2019-03-28 22:36:07,320 INFO L796 eck$LassoCheckResult]: Loop: 253#L17-2 [33] L17-2-->L17-2: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_7) (<= v_ULTIMATE.start_main_~y~0_7 v_ULTIMATE.start_main_~xtmp~0_6) (= v_ULTIMATE.start_main_~xtmp~0_5 (+ v_ULTIMATE.start_main_~xtmp~0_6 (* (- 1) v_ULTIMATE.start_main_~y~0_7)))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~xtmp~0] 253#L17-2 19.76/9.77 [2019-03-28 22:36:07,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 19.76/9.77 [2019-03-28 22:36:07,321 INFO L82 PathProgramCache]: Analyzing trace with hash 64637, now seen corresponding path program 1 times 19.76/9.77 [2019-03-28 22:36:07,321 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 19.76/9.77 [2019-03-28 22:36:07,321 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 19.76/9.77 [2019-03-28 22:36:07,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 19.76/9.77 [2019-03-28 22:36:07,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 19.76/9.77 [2019-03-28 22:36:07,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 19.76/9.77 [2019-03-28 22:36:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 19.76/9.77 [2019-03-28 22:36:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 19.76/9.77 [2019-03-28 22:36:07,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 19.76/9.77 [2019-03-28 22:36:07,337 INFO L82 PathProgramCache]: Analyzing trace with hash 64, now seen corresponding path program 1 times 19.76/9.77 [2019-03-28 22:36:07,340 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 19.76/9.77 [2019-03-28 22:36:07,340 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 19.76/9.77 [2019-03-28 22:36:07,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 19.76/9.77 [2019-03-28 22:36:07,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 19.76/9.77 [2019-03-28 22:36:07,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 19.76/9.77 [2019-03-28 22:36:07,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 19.76/9.77 [2019-03-28 22:36:07,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 19.76/9.77 [2019-03-28 22:36:07,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 19.76/9.77 [2019-03-28 22:36:07,346 INFO L82 PathProgramCache]: Analyzing trace with hash 2003780, now seen corresponding path program 2 times 19.76/9.77 [2019-03-28 22:36:07,346 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 19.76/9.77 [2019-03-28 22:36:07,346 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 19.76/9.77 [2019-03-28 22:36:07,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 19.76/9.77 [2019-03-28 22:36:07,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 19.76/9.77 [2019-03-28 22:36:07,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 19.76/9.77 [2019-03-28 22:36:07,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 19.76/9.77 [2019-03-28 22:36:07,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 19.76/9.77 [2019-03-28 22:36:07,368 INFO L216 LassoAnalysis]: Preferences: 19.76/9.77 [2019-03-28 22:36:07,368 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 19.76/9.77 [2019-03-28 22:36:07,368 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 19.76/9.77 [2019-03-28 22:36:07,369 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 19.76/9.77 [2019-03-28 22:36:07,369 INFO L127 ssoRankerPreferences]: Use exernal solver: true 19.76/9.77 [2019-03-28 22:36:07,369 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 19.76/9.77 [2019-03-28 22:36:07,369 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 19.76/9.77 [2019-03-28 22:36:07,369 INFO L130 ssoRankerPreferences]: Path of dumped script: 19.76/9.77 [2019-03-28 22:36:07,369 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop 19.76/9.77 [2019-03-28 22:36:07,369 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 19.76/9.77 [2019-03-28 22:36:07,369 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 19.76/9.77 [2019-03-28 22:36:07,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 19.76/9.77 [2019-03-28 22:36:07,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 19.76/9.77 [2019-03-28 22:36:07,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 19.76/9.77 [2019-03-28 22:36:07,416 INFO L300 LassoAnalysis]: Preprocessing complete. 19.76/9.77 [2019-03-28 22:36:07,417 INFO L412 LassoAnalysis]: Checking for nontermination... 19.76/9.77 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 19.76/9.77 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 19.76/9.77 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 19.76/9.77 [2019-03-28 22:36:07,421 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 19.76/9.77 [2019-03-28 22:36:07,421 INFO L163 nArgumentSynthesizer]: Using integer mode. 19.76/9.77 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 19.76/9.77 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 19.76/9.77 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 19.76/9.77 [2019-03-28 22:36:07,453 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 19.76/9.77 [2019-03-28 22:36:07,454 INFO L163 nArgumentSynthesizer]: Using integer mode. 19.76/9.77 [2019-03-28 22:36:07,603 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 19.76/9.77 [2019-03-28 22:36:07,605 INFO L216 LassoAnalysis]: Preferences: 19.76/9.77 [2019-03-28 22:36:07,605 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 19.76/9.77 [2019-03-28 22:36:07,605 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 19.76/9.77 [2019-03-28 22:36:07,606 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 19.76/9.77 [2019-03-28 22:36:07,606 INFO L127 ssoRankerPreferences]: Use exernal solver: false 19.76/9.77 [2019-03-28 22:36:07,606 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 19.76/9.77 [2019-03-28 22:36:07,606 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 19.76/9.77 [2019-03-28 22:36:07,606 INFO L130 ssoRankerPreferences]: Path of dumped script: 19.76/9.77 [2019-03-28 22:36:07,606 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop 19.76/9.77 [2019-03-28 22:36:07,607 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 19.76/9.77 [2019-03-28 22:36:07,607 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 19.76/9.77 [2019-03-28 22:36:07,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 19.76/9.77 [2019-03-28 22:36:07,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 19.76/9.77 [2019-03-28 22:36:07,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 19.76/9.77 [2019-03-28 22:36:07,647 INFO L300 LassoAnalysis]: Preprocessing complete. 19.76/9.77 [2019-03-28 22:36:07,647 INFO L497 LassoAnalysis]: Using template 'affine'. 19.76/9.77 [2019-03-28 22:36:07,648 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 19.76/9.77 Termination analysis: LINEAR_WITH_GUESSES 19.76/9.77 Number of strict supporting invariants: 0 19.76/9.77 Number of non-strict supporting invariants: 1 19.76/9.77 Consider only non-deceasing supporting invariants: true 19.76/9.77 Simplify termination arguments: true 19.76/9.77 Simplify supporting invariants: trueOverapproximate stem: false 19.76/9.77 [2019-03-28 22:36:07,649 INFO L339 nArgumentSynthesizer]: Template has degree 0. 19.76/9.77 [2019-03-28 22:36:07,649 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 19.76/9.77 [2019-03-28 22:36:07,649 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 19.76/9.77 [2019-03-28 22:36:07,649 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 19.76/9.77 [2019-03-28 22:36:07,649 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 19.76/9.77 [2019-03-28 22:36:07,650 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 19.76/9.77 [2019-03-28 22:36:07,650 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 19.76/9.77 [2019-03-28 22:36:07,654 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 19.76/9.77 [2019-03-28 22:36:07,657 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 19.76/9.77 [2019-03-28 22:36:07,657 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 2 variables to zero. 19.76/9.77 [2019-03-28 22:36:07,658 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 19.76/9.77 [2019-03-28 22:36:07,658 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 19.76/9.77 [2019-03-28 22:36:07,658 INFO L518 LassoAnalysis]: Proved termination. 19.76/9.77 [2019-03-28 22:36:07,658 INFO L520 LassoAnalysis]: Termination argument consisting of: 19.76/9.77 Ranking function f(ULTIMATE.start_main_~xtmp~0) = 1*ULTIMATE.start_main_~xtmp~0 19.76/9.77 Supporting invariants [] 19.76/9.77 [2019-03-28 22:36:07,659 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 19.76/9.77 [2019-03-28 22:36:07,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 19.76/9.77 [2019-03-28 22:36:07,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 19.76/9.77 [2019-03-28 22:36:07,683 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core 19.76/9.77 [2019-03-28 22:36:07,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... 19.76/9.77 [2019-03-28 22:36:07,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 19.76/9.77 [2019-03-28 22:36:07,686 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core 19.76/9.77 [2019-03-28 22:36:07,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... 19.76/9.77 [2019-03-28 22:36:07,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 19.76/9.77 [2019-03-28 22:36:07,687 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 19.76/9.77 [2019-03-28 22:36:07,687 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates 19.76/9.77 [2019-03-28 22:36:07,688 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 14 states and 21 transitions. cyclomatic complexity: 10 Second operand 2 states. 19.76/9.77 [2019-03-28 22:36:07,700 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 14 states and 21 transitions. cyclomatic complexity: 10. Second operand 2 states. Result 19 states and 26 transitions. Complement of second has 4 states. 19.76/9.77 [2019-03-28 22:36:07,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 19.76/9.77 [2019-03-28 22:36:07,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 19.76/9.77 [2019-03-28 22:36:07,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. 19.76/9.77 [2019-03-28 22:36:07,701 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 1 letters. 19.76/9.77 [2019-03-28 22:36:07,701 INFO L116 BuchiAccepts]: Finished buchiAccepts. 19.76/9.77 [2019-03-28 22:36:07,701 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 4 letters. Loop has 1 letters. 19.76/9.77 [2019-03-28 22:36:07,702 INFO L116 BuchiAccepts]: Finished buchiAccepts. 19.76/9.77 [2019-03-28 22:36:07,702 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 2 letters. 19.76/9.77 [2019-03-28 22:36:07,702 INFO L116 BuchiAccepts]: Finished buchiAccepts. 19.76/9.77 [2019-03-28 22:36:07,703 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 26 transitions. 19.76/9.77 [2019-03-28 22:36:07,704 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 19.76/9.77 [2019-03-28 22:36:07,704 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. 19.76/9.77 [2019-03-28 22:36:07,704 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 19.76/9.77 [2019-03-28 22:36:07,704 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 19.76/9.77 [2019-03-28 22:36:07,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 19.76/9.77 [2019-03-28 22:36:07,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 19.76/9.77 [2019-03-28 22:36:07,705 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 19.76/9.77 [2019-03-28 22:36:07,705 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 19.76/9.77 [2019-03-28 22:36:07,705 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 19.76/9.77 [2019-03-28 22:36:07,705 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ 19.76/9.77 [2019-03-28 22:36:07,705 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 19.76/9.77 [2019-03-28 22:36:07,705 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 19.76/9.77 [2019-03-28 22:36:07,705 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 19.76/9.77 [2019-03-28 22:36:07,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:36:07 BasicIcfg 19.76/9.77 [2019-03-28 22:36:07,711 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 19.76/9.77 [2019-03-28 22:36:07,712 INFO L168 Benchmark]: Toolchain (without parser) took 5404.01 ms. Allocated memory was 649.6 MB in the beginning and 748.2 MB in the end (delta: 98.6 MB). Free memory was 564.9 MB in the beginning and 626.7 MB in the end (delta: -61.8 MB). Peak memory consumption was 36.8 MB. Max. memory is 50.3 GB. 19.76/9.77 [2019-03-28 22:36:07,714 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 590.8 MB. There was no memory consumed. Max. memory is 50.3 GB. 19.76/9.77 [2019-03-28 22:36:07,714 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.01 ms. Allocated memory is still 649.6 MB. Free memory was 564.9 MB in the beginning and 554.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 50.3 GB. 19.76/9.77 [2019-03-28 22:36:07,715 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.03 ms. Allocated memory was 649.6 MB in the beginning and 681.6 MB in the end (delta: 32.0 MB). Free memory was 554.9 MB in the beginning and 648.4 MB in the end (delta: -93.5 MB). Peak memory consumption was 21.4 MB. Max. memory is 50.3 GB. 19.76/9.77 [2019-03-28 22:36:07,715 INFO L168 Benchmark]: Boogie Preprocessor took 20.43 ms. Allocated memory is still 681.6 MB. Free memory was 648.4 MB in the beginning and 645.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 19.76/9.77 [2019-03-28 22:36:07,716 INFO L168 Benchmark]: RCFGBuilder took 211.87 ms. Allocated memory is still 681.6 MB. Free memory was 645.6 MB in the beginning and 632.0 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 50.3 GB. 19.76/9.77 [2019-03-28 22:36:07,717 INFO L168 Benchmark]: BlockEncodingV2 took 76.76 ms. Allocated memory is still 681.6 MB. Free memory was 632.0 MB in the beginning and 626.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 19.76/9.77 [2019-03-28 22:36:07,717 INFO L168 Benchmark]: TraceAbstraction took 156.82 ms. Allocated memory is still 681.6 MB. Free memory was 625.5 MB in the beginning and 616.9 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 19.76/9.77 [2019-03-28 22:36:07,718 INFO L168 Benchmark]: BuchiAutomizer took 4607.49 ms. Allocated memory was 681.6 MB in the beginning and 748.2 MB in the end (delta: 66.6 MB). Free memory was 616.9 MB in the beginning and 626.7 MB in the end (delta: -9.8 MB). Peak memory consumption was 56.8 MB. Max. memory is 50.3 GB. 19.76/9.77 [2019-03-28 22:36:07,722 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 19.76/9.77 --- Results --- 19.76/9.77 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 19.76/9.77 - StatisticsResult: Initial Icfg 19.76/9.77 8 locations, 11 edges 19.76/9.77 - StatisticsResult: Encoded RCFG 19.76/9.77 4 locations, 6 edges 19.76/9.77 * Results from de.uni_freiburg.informatik.ultimate.core: 19.76/9.77 - StatisticsResult: Toolchain Benchmarks 19.76/9.77 Benchmark results are: 19.76/9.77 * CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 590.8 MB. There was no memory consumed. Max. memory is 50.3 GB. 19.76/9.77 * CACSL2BoogieTranslator took 225.01 ms. Allocated memory is still 649.6 MB. Free memory was 564.9 MB in the beginning and 554.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 50.3 GB. 19.76/9.77 * Boogie Procedure Inliner took 100.03 ms. Allocated memory was 649.6 MB in the beginning and 681.6 MB in the end (delta: 32.0 MB). Free memory was 554.9 MB in the beginning and 648.4 MB in the end (delta: -93.5 MB). Peak memory consumption was 21.4 MB. Max. memory is 50.3 GB. 19.76/9.77 * Boogie Preprocessor took 20.43 ms. Allocated memory is still 681.6 MB. Free memory was 648.4 MB in the beginning and 645.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 19.76/9.77 * RCFGBuilder took 211.87 ms. Allocated memory is still 681.6 MB. Free memory was 645.6 MB in the beginning and 632.0 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 50.3 GB. 19.76/9.77 * BlockEncodingV2 took 76.76 ms. Allocated memory is still 681.6 MB. Free memory was 632.0 MB in the beginning and 626.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 19.76/9.77 * TraceAbstraction took 156.82 ms. Allocated memory is still 681.6 MB. Free memory was 625.5 MB in the beginning and 616.9 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 19.76/9.77 * BuchiAutomizer took 4607.49 ms. Allocated memory was 681.6 MB in the beginning and 748.2 MB in the end (delta: 66.6 MB). Free memory was 616.9 MB in the beginning and 626.7 MB in the end (delta: -9.8 MB). Peak memory consumption was 56.8 MB. Max. memory is 50.3 GB. 19.76/9.77 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 19.76/9.77 - AllSpecificationsHoldResult: All specifications hold 19.76/9.77 We were not able to verify any specifiation because the program does not contain any specification. 19.76/9.77 - InvariantResult [Line: 17]: Loop Invariant 19.76/9.77 Derived loop invariant: 1 19.76/9.77 - InvariantResult [Line: 13]: Loop Invariant 19.76/9.77 Derived loop invariant: 1 19.76/9.77 - StatisticsResult: Ultimate Automizer benchmark data 19.76/9.77 CFG has 1 procedures, 4 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=4occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 19.76/9.77 - StatisticsResult: Constructed decomposition of program 19.76/9.77 Your program was decomposed into 4 terminating modules (1 trivial, 0 deterministic, 3 nondeterministic). One nondeterministic module has affine ranking function y and consists of 7 locations. One nondeterministic module has affine ranking function xtmp + tmp and consists of 9 locations. One nondeterministic module has affine ranking function xtmp and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. 19.76/9.77 - StatisticsResult: Timing statistics 19.76/9.77 BüchiAutomizer plugin needed 4.5s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 3.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 14 states and ocurred in iteration 3. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/1 HoareTripleCheckerStatistics: 16 SDtfs, 31 SDslu, 0 SDs, 0 SdLazy, 102 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax161 hnf97 lsp61 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq164 hnf91 smp100 dnf100 smp100 tf107 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 2.4s 19.76/9.77 - TerminationAnalysisResult: Termination proven 19.76/9.77 Buchi Automizer proved that your program is terminating 19.76/9.77 RESULT: Ultimate proved your program to be correct! 19.76/9.77 !SESSION 2019-03-28 22:35:59.081 ----------------------------------------------- 19.76/9.77 eclipse.buildId=unknown 19.76/9.77 java.version=1.8.0_181 19.76/9.77 java.vendor=Oracle Corporation 19.76/9.77 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 19.76/9.77 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 19.76/9.77 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c 19.76/9.77 19.76/9.77 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:36:07.953 19.76/9.77 !MESSAGE The workspace will exit with unsaved changes in this session. 19.76/9.77 Received shutdown request... 19.76/9.77 Ultimate: 19.76/9.77 GTK+ Version Check 19.76/9.77 EOF