13.00/6.48 YES 13.00/6.48 13.00/6.48 Ultimate: Cannot open display: 13.00/6.48 This is Ultimate 0.1.24-8dc7c08-m 13.00/6.48 [2019-03-29 01:57:01,473 INFO L170 SettingsManager]: Resetting all preferences to default values... 13.00/6.48 [2019-03-29 01:57:01,475 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 13.00/6.48 [2019-03-29 01:57:01,487 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 13.00/6.48 [2019-03-29 01:57:01,487 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 13.00/6.48 [2019-03-29 01:57:01,488 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 13.00/6.48 [2019-03-29 01:57:01,489 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 13.00/6.48 [2019-03-29 01:57:01,491 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 13.00/6.48 [2019-03-29 01:57:01,492 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 13.00/6.48 [2019-03-29 01:57:01,493 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 13.00/6.48 [2019-03-29 01:57:01,494 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 13.00/6.48 [2019-03-29 01:57:01,494 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 13.00/6.48 [2019-03-29 01:57:01,495 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 13.00/6.48 [2019-03-29 01:57:01,496 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 13.00/6.48 [2019-03-29 01:57:01,497 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 13.00/6.48 [2019-03-29 01:57:01,498 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 13.00/6.48 [2019-03-29 01:57:01,498 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 13.00/6.48 [2019-03-29 01:57:01,500 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 13.00/6.48 [2019-03-29 01:57:01,502 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 13.00/6.48 [2019-03-29 01:57:01,504 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 13.00/6.48 [2019-03-29 01:57:01,505 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 13.00/6.48 [2019-03-29 01:57:01,506 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 13.00/6.48 [2019-03-29 01:57:01,508 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 13.00/6.48 [2019-03-29 01:57:01,508 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 13.00/6.48 [2019-03-29 01:57:01,508 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 13.00/6.48 [2019-03-29 01:57:01,509 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 13.00/6.48 [2019-03-29 01:57:01,510 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 13.00/6.48 [2019-03-29 01:57:01,510 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 13.00/6.48 [2019-03-29 01:57:01,511 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 13.00/6.48 [2019-03-29 01:57:01,511 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 13.00/6.48 [2019-03-29 01:57:01,512 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 13.00/6.48 [2019-03-29 01:57:01,513 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 13.00/6.48 [2019-03-29 01:57:01,514 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 13.00/6.48 [2019-03-29 01:57:01,514 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 13.00/6.48 [2019-03-29 01:57:01,515 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 13.00/6.48 [2019-03-29 01:57:01,515 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 13.00/6.48 [2019-03-29 01:57:01,515 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 13.00/6.48 [2019-03-29 01:57:01,516 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 13.00/6.48 [2019-03-29 01:57:01,517 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 13.00/6.48 [2019-03-29 01:57:01,517 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 13.00/6.48 [2019-03-29 01:57:01,532 INFO L110 SettingsManager]: Loading preferences was successful 13.00/6.48 [2019-03-29 01:57:01,532 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 13.00/6.48 [2019-03-29 01:57:01,533 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 13.00/6.48 [2019-03-29 01:57:01,533 INFO L133 SettingsManager]: * Rewrite not-equals=true 13.00/6.48 [2019-03-29 01:57:01,533 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 13.00/6.48 [2019-03-29 01:57:01,534 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 13.00/6.48 [2019-03-29 01:57:01,534 INFO L133 SettingsManager]: * Use SBE=true 13.00/6.48 [2019-03-29 01:57:01,534 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 13.00/6.48 [2019-03-29 01:57:01,534 INFO L133 SettingsManager]: * Use old map elimination=false 13.00/6.48 [2019-03-29 01:57:01,534 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 13.00/6.48 [2019-03-29 01:57:01,535 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 13.00/6.48 [2019-03-29 01:57:01,535 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 13.00/6.48 [2019-03-29 01:57:01,535 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 13.00/6.48 [2019-03-29 01:57:01,535 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 13.00/6.48 [2019-03-29 01:57:01,535 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.00/6.48 [2019-03-29 01:57:01,535 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 13.00/6.48 [2019-03-29 01:57:01,536 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 13.00/6.48 [2019-03-29 01:57:01,536 INFO L133 SettingsManager]: * Check division by zero=IGNORE 13.00/6.48 [2019-03-29 01:57:01,536 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 13.00/6.48 [2019-03-29 01:57:01,536 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 13.00/6.48 [2019-03-29 01:57:01,536 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 13.00/6.48 [2019-03-29 01:57:01,536 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 13.00/6.48 [2019-03-29 01:57:01,537 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 13.00/6.48 [2019-03-29 01:57:01,537 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 13.00/6.48 [2019-03-29 01:57:01,537 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.00/6.48 [2019-03-29 01:57:01,537 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 13.00/6.48 [2019-03-29 01:57:01,537 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 13.00/6.48 [2019-03-29 01:57:01,538 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 13.00/6.48 [2019-03-29 01:57:01,538 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 13.00/6.48 [2019-03-29 01:57:01,564 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 13.00/6.48 [2019-03-29 01:57:01,577 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 13.00/6.48 [2019-03-29 01:57:01,580 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 13.00/6.48 [2019-03-29 01:57:01,582 INFO L271 PluginConnector]: Initializing CDTParser... 13.00/6.48 [2019-03-29 01:57:01,582 INFO L276 PluginConnector]: CDTParser initialized 13.00/6.48 [2019-03-29 01:57:01,583 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 13.00/6.48 [2019-03-29 01:57:01,642 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/c1e0cc2d554744159409a25b91b55ba1/FLAG3eea4990e 13.00/6.48 [2019-03-29 01:57:01,984 INFO L307 CDTParser]: Found 1 translation units. 13.00/6.48 [2019-03-29 01:57:01,985 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 13.00/6.48 [2019-03-29 01:57:01,995 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/c1e0cc2d554744159409a25b91b55ba1/FLAG3eea4990e 13.00/6.48 [2019-03-29 01:57:02,392 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/c1e0cc2d554744159409a25b91b55ba1 13.00/6.48 [2019-03-29 01:57:02,404 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 13.00/6.48 [2019-03-29 01:57:02,405 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 13.00/6.48 [2019-03-29 01:57:02,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 13.00/6.48 [2019-03-29 01:57:02,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 13.00/6.48 [2019-03-29 01:57:02,411 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 13.00/6.48 [2019-03-29 01:57:02,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:57:02" (1/1) ... 13.00/6.48 [2019-03-29 01:57:02,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5204426 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:57:02, skipping insertion in model container 13.00/6.48 [2019-03-29 01:57:02,415 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:57:02" (1/1) ... 13.00/6.48 [2019-03-29 01:57:02,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 13.00/6.48 [2019-03-29 01:57:02,441 INFO L176 MainTranslator]: Built tables and reachable declarations 13.00/6.48 [2019-03-29 01:57:02,600 INFO L206 PostProcessor]: Analyzing one entry point: main 13.00/6.48 [2019-03-29 01:57:02,604 INFO L191 MainTranslator]: Completed pre-run 13.00/6.48 [2019-03-29 01:57:02,621 INFO L206 PostProcessor]: Analyzing one entry point: main 13.00/6.48 [2019-03-29 01:57:02,636 INFO L195 MainTranslator]: Completed translation 13.00/6.48 [2019-03-29 01:57:02,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:57:02 WrapperNode 13.00/6.48 [2019-03-29 01:57:02,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 13.00/6.48 [2019-03-29 01:57:02,638 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 13.00/6.48 [2019-03-29 01:57:02,638 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 13.00/6.48 [2019-03-29 01:57:02,638 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 13.00/6.48 [2019-03-29 01:57:02,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:57:02" (1/1) ... 13.00/6.48 [2019-03-29 01:57:02,713 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:57:02" (1/1) ... 13.00/6.48 [2019-03-29 01:57:02,733 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 13.00/6.48 [2019-03-29 01:57:02,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 13.00/6.48 [2019-03-29 01:57:02,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 13.00/6.48 [2019-03-29 01:57:02,733 INFO L276 PluginConnector]: Boogie Preprocessor initialized 13.00/6.48 [2019-03-29 01:57:02,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:57:02" (1/1) ... 13.00/6.48 [2019-03-29 01:57:02,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:57:02" (1/1) ... 13.00/6.48 [2019-03-29 01:57:02,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:57:02" (1/1) ... 13.00/6.48 [2019-03-29 01:57:02,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:57:02" (1/1) ... 13.00/6.48 [2019-03-29 01:57:02,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:57:02" (1/1) ... 13.00/6.48 [2019-03-29 01:57:02,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:57:02" (1/1) ... 13.00/6.48 [2019-03-29 01:57:02,751 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:57:02" (1/1) ... 13.00/6.48 [2019-03-29 01:57:02,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 13.00/6.48 [2019-03-29 01:57:02,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 13.00/6.48 [2019-03-29 01:57:02,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... 13.00/6.48 [2019-03-29 01:57:02,753 INFO L276 PluginConnector]: RCFGBuilder initialized 13.00/6.48 [2019-03-29 01:57:02,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:57:02" (1/1) ... 13.00/6.48 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.00/6.48 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 13.00/6.48 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.00/6.48 [2019-03-29 01:57:02,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 13.00/6.48 [2019-03-29 01:57:02,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 13.00/6.48 [2019-03-29 01:57:02,939 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 13.00/6.48 [2019-03-29 01:57:02,940 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 13.00/6.48 [2019-03-29 01:57:02,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:57:02 BoogieIcfgContainer 13.00/6.48 [2019-03-29 01:57:02,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 13.00/6.48 [2019-03-29 01:57:02,959 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 13.00/6.48 [2019-03-29 01:57:02,960 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 13.00/6.48 [2019-03-29 01:57:02,962 INFO L276 PluginConnector]: BlockEncodingV2 initialized 13.00/6.48 [2019-03-29 01:57:02,962 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:57:02" (1/1) ... 13.00/6.48 [2019-03-29 01:57:02,977 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges 13.00/6.48 [2019-03-29 01:57:02,978 INFO L258 BlockEncoder]: Using Remove infeasible edges 13.00/6.48 [2019-03-29 01:57:02,979 INFO L263 BlockEncoder]: Using Maximize final states 13.00/6.48 [2019-03-29 01:57:02,980 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 13.00/6.48 [2019-03-29 01:57:02,980 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 13.00/6.48 [2019-03-29 01:57:02,982 INFO L296 BlockEncoder]: Using Remove sink states 13.00/6.48 [2019-03-29 01:57:02,983 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 13.00/6.48 [2019-03-29 01:57:02,983 INFO L179 BlockEncoder]: Using Rewrite not-equals 13.00/6.48 [2019-03-29 01:57:02,997 INFO L185 BlockEncoder]: Using Use SBE 13.00/6.48 [2019-03-29 01:57:03,011 INFO L200 BlockEncoder]: SBE split 1 edges 13.00/6.48 [2019-03-29 01:57:03,016 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 13.00/6.48 [2019-03-29 01:57:03,017 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.00/6.48 [2019-03-29 01:57:03,028 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 13.00/6.48 [2019-03-29 01:57:03,029 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 13.00/6.48 [2019-03-29 01:57:03,031 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 13.00/6.48 [2019-03-29 01:57:03,031 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.00/6.48 [2019-03-29 01:57:03,031 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 13.00/6.48 [2019-03-29 01:57:03,031 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 13.00/6.48 [2019-03-29 01:57:03,032 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 13.00/6.48 [2019-03-29 01:57:03,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:57:03 BasicIcfg 13.00/6.48 [2019-03-29 01:57:03,032 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 13.00/6.48 [2019-03-29 01:57:03,033 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 13.00/6.48 [2019-03-29 01:57:03,033 INFO L271 PluginConnector]: Initializing TraceAbstraction... 13.00/6.48 [2019-03-29 01:57:03,036 INFO L276 PluginConnector]: TraceAbstraction initialized 13.00/6.48 [2019-03-29 01:57:03,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 01:57:02" (1/4) ... 13.00/6.48 [2019-03-29 01:57:03,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36eb94c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:57:03, skipping insertion in model container 13.00/6.48 [2019-03-29 01:57:03,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:57:02" (2/4) ... 13.00/6.48 [2019-03-29 01:57:03,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36eb94c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:57:03, skipping insertion in model container 13.00/6.48 [2019-03-29 01:57:03,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:57:02" (3/4) ... 13.00/6.48 [2019-03-29 01:57:03,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36eb94c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:57:03, skipping insertion in model container 13.00/6.48 [2019-03-29 01:57:03,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:57:03" (4/4) ... 13.00/6.48 [2019-03-29 01:57:03,040 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.00/6.48 [2019-03-29 01:57:03,050 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 13.00/6.48 [2019-03-29 01:57:03,058 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 13.00/6.48 [2019-03-29 01:57:03,076 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 13.00/6.48 [2019-03-29 01:57:03,104 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.00/6.48 [2019-03-29 01:57:03,105 INFO L382 AbstractCegarLoop]: Interprodecural is true 13.00/6.48 [2019-03-29 01:57:03,105 INFO L383 AbstractCegarLoop]: Hoare is true 13.00/6.48 [2019-03-29 01:57:03,105 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 13.00/6.48 [2019-03-29 01:57:03,106 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 13.00/6.48 [2019-03-29 01:57:03,106 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.00/6.48 [2019-03-29 01:57:03,106 INFO L387 AbstractCegarLoop]: Difference is false 13.00/6.48 [2019-03-29 01:57:03,106 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 13.00/6.48 [2019-03-29 01:57:03,106 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 13.00/6.48 [2019-03-29 01:57:03,120 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 13.00/6.48 [2019-03-29 01:57:03,126 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 13.00/6.48 [2019-03-29 01:57:03,129 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 13.00/6.48 [2019-03-29 01:57:03,179 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 13.00/6.48 [2019-03-29 01:57:03,179 INFO L451 ceAbstractionStarter]: At program point L13-2(lines 13 16) the Hoare annotation is: true 13.00/6.48 [2019-03-29 01:57:03,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:57:03 BasicIcfg 13.00/6.48 [2019-03-29 01:57:03,187 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 13.00/6.48 [2019-03-29 01:57:03,188 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 13.00/6.48 [2019-03-29 01:57:03,188 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 13.00/6.48 [2019-03-29 01:57:03,192 INFO L276 PluginConnector]: BuchiAutomizer initialized 13.00/6.48 [2019-03-29 01:57:03,192 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.00/6.48 [2019-03-29 01:57:03,193 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 01:57:02" (1/5) ... 13.00/6.48 [2019-03-29 01:57:03,193 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@57d67c3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:57:03, skipping insertion in model container 13.00/6.48 [2019-03-29 01:57:03,193 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.00/6.48 [2019-03-29 01:57:03,194 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:57:02" (2/5) ... 13.00/6.48 [2019-03-29 01:57:03,194 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@57d67c3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:57:03, skipping insertion in model container 13.00/6.48 [2019-03-29 01:57:03,194 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.00/6.48 [2019-03-29 01:57:03,194 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:57:02" (3/5) ... 13.00/6.48 [2019-03-29 01:57:03,195 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@57d67c3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:57:03, skipping insertion in model container 13.00/6.48 [2019-03-29 01:57:03,195 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.00/6.48 [2019-03-29 01:57:03,195 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:57:03" (4/5) ... 13.00/6.48 [2019-03-29 01:57:03,195 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@57d67c3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:57:03, skipping insertion in model container 13.00/6.48 [2019-03-29 01:57:03,196 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.00/6.48 [2019-03-29 01:57:03,196 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:57:03" (5/5) ... 13.00/6.48 [2019-03-29 01:57:03,197 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.00/6.48 [2019-03-29 01:57:03,224 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.00/6.48 [2019-03-29 01:57:03,225 INFO L374 BuchiCegarLoop]: Interprodecural is true 13.00/6.48 [2019-03-29 01:57:03,225 INFO L375 BuchiCegarLoop]: Hoare is true 13.00/6.48 [2019-03-29 01:57:03,225 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 13.00/6.48 [2019-03-29 01:57:03,226 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 13.00/6.48 [2019-03-29 01:57:03,226 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.00/6.48 [2019-03-29 01:57:03,226 INFO L379 BuchiCegarLoop]: Difference is false 13.00/6.48 [2019-03-29 01:57:03,226 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 13.00/6.48 [2019-03-29 01:57:03,226 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 13.00/6.48 [2019-03-29 01:57:03,230 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 13.00/6.48 [2019-03-29 01:57:03,249 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 13.00/6.48 [2019-03-29 01:57:03,249 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.00/6.48 [2019-03-29 01:57:03,249 INFO L119 BuchiIsEmpty]: Starting construction of run 13.00/6.48 [2019-03-29 01:57:03,254 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.00/6.48 [2019-03-29 01:57:03,255 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 13.00/6.48 [2019-03-29 01:57:03,255 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 13.00/6.48 [2019-03-29 01:57:03,255 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 13.00/6.48 [2019-03-29 01:57:03,255 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 13.00/6.48 [2019-03-29 01:57:03,255 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.00/6.48 [2019-03-29 01:57:03,256 INFO L119 BuchiIsEmpty]: Starting construction of run 13.00/6.48 [2019-03-29 01:57:03,256 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.00/6.48 [2019-03-29 01:57:03,256 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 13.00/6.48 [2019-03-29 01:57:03,261 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [19] ULTIMATE.startENTRY-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 4#L13-2true 13.00/6.48 [2019-03-29 01:57:03,262 INFO L796 eck$LassoCheckResult]: Loop: 4#L13-2true [22] L13-2-->L13-2: Formula: (and (< v_ULTIMATE.start_main_~y~0_8 v_ULTIMATE.start_main_~x~0_7) (= v_ULTIMATE.start_main_~z~0_7 (+ v_ULTIMATE.start_main_~z~0_8 1)) (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~y~0_8 1)) (< v_ULTIMATE.start_main_~z~0_8 v_ULTIMATE.start_main_~x~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0] 4#L13-2true 13.00/6.48 [2019-03-29 01:57:03,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.00/6.48 [2019-03-29 01:57:03,268 INFO L82 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 1 times 13.00/6.48 [2019-03-29 01:57:03,270 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.00/6.48 [2019-03-29 01:57:03,270 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.00/6.48 [2019-03-29 01:57:03,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.00/6.48 [2019-03-29 01:57:03,299 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.00/6.48 [2019-03-29 01:57:03,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.00/6.48 [2019-03-29 01:57:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.00/6.48 [2019-03-29 01:57:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.00/6.48 [2019-03-29 01:57:03,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.00/6.48 [2019-03-29 01:57:03,344 INFO L82 PathProgramCache]: Analyzing trace with hash 53, now seen corresponding path program 1 times 13.00/6.48 [2019-03-29 01:57:03,344 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.00/6.48 [2019-03-29 01:57:03,345 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.00/6.48 [2019-03-29 01:57:03,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.00/6.48 [2019-03-29 01:57:03,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.00/6.48 [2019-03-29 01:57:03,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.00/6.48 [2019-03-29 01:57:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.00/6.48 [2019-03-29 01:57:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.00/6.48 [2019-03-29 01:57:03,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.00/6.48 [2019-03-29 01:57:03,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1572, now seen corresponding path program 1 times 13.00/6.48 [2019-03-29 01:57:03,360 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.00/6.48 [2019-03-29 01:57:03,360 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.00/6.48 [2019-03-29 01:57:03,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.00/6.48 [2019-03-29 01:57:03,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.00/6.48 [2019-03-29 01:57:03,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.00/6.48 [2019-03-29 01:57:03,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.00/6.48 [2019-03-29 01:57:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.00/6.48 [2019-03-29 01:57:03,429 INFO L216 LassoAnalysis]: Preferences: 13.00/6.48 [2019-03-29 01:57:03,431 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.00/6.48 [2019-03-29 01:57:03,431 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.00/6.48 [2019-03-29 01:57:03,431 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.00/6.48 [2019-03-29 01:57:03,431 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.00/6.48 [2019-03-29 01:57:03,431 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.00/6.48 [2019-03-29 01:57:03,431 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.00/6.48 [2019-03-29 01:57:03,432 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.00/6.48 [2019-03-29 01:57:03,432 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.00/6.48 [2019-03-29 01:57:03,432 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.00/6.48 [2019-03-29 01:57:03,432 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.00/6.48 [2019-03-29 01:57:03,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.00/6.48 [2019-03-29 01:57:03,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.00/6.48 [2019-03-29 01:57:03,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.00/6.48 [2019-03-29 01:57:03,569 INFO L300 LassoAnalysis]: Preprocessing complete. 13.00/6.48 [2019-03-29 01:57:03,569 INFO L412 LassoAnalysis]: Checking for nontermination... 13.00/6.48 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.00/6.48 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.00/6.48 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.00/6.48 [2019-03-29 01:57:03,575 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.00/6.48 [2019-03-29 01:57:03,575 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.00/6.48 [2019-03-29 01:57:03,609 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.00/6.48 [2019-03-29 01:57:03,609 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 13.00/6.48 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.00/6.48 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.00/6.48 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.00/6.48 [2019-03-29 01:57:03,615 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.00/6.48 [2019-03-29 01:57:03,615 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.00/6.48 [2019-03-29 01:57:03,642 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.00/6.48 [2019-03-29 01:57:03,642 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 13.00/6.48 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.00/6.48 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.00/6.48 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.00/6.48 [2019-03-29 01:57:03,647 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.00/6.48 [2019-03-29 01:57:03,647 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.00/6.48 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.00/6.48 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.00/6.48 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.00/6.48 [2019-03-29 01:57:03,679 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.00/6.48 [2019-03-29 01:57:03,679 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.00/6.48 [2019-03-29 01:57:03,995 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 13.00/6.48 [2019-03-29 01:57:03,998 INFO L216 LassoAnalysis]: Preferences: 13.00/6.48 [2019-03-29 01:57:03,998 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.00/6.48 [2019-03-29 01:57:03,998 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.00/6.48 [2019-03-29 01:57:03,998 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.00/6.48 [2019-03-29 01:57:03,999 INFO L127 ssoRankerPreferences]: Use exernal solver: false 13.00/6.48 [2019-03-29 01:57:03,999 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 13.00/6.48 [2019-03-29 01:57:03,999 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.00/6.48 [2019-03-29 01:57:03,999 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.00/6.48 [2019-03-29 01:57:03,999 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.00/6.48 [2019-03-29 01:57:03,999 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.00/6.48 [2019-03-29 01:57:03,999 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.00/6.48 [2019-03-29 01:57:04,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.00/6.48 [2019-03-29 01:57:04,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.00/6.48 [2019-03-29 01:57:04,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.00/6.48 [2019-03-29 01:57:04,110 INFO L300 LassoAnalysis]: Preprocessing complete. 13.00/6.48 [2019-03-29 01:57:04,116 INFO L497 LassoAnalysis]: Using template 'affine'. 13.00/6.48 [2019-03-29 01:57:04,118 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.00/6.48 Termination analysis: LINEAR_WITH_GUESSES 13.00/6.48 Number of strict supporting invariants: 0 13.00/6.48 Number of non-strict supporting invariants: 1 13.00/6.48 Consider only non-deceasing supporting invariants: true 13.00/6.48 Simplify termination arguments: true 13.00/6.48 Simplify supporting invariants: trueOverapproximate stem: false 13.00/6.48 [2019-03-29 01:57:04,120 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.00/6.48 [2019-03-29 01:57:04,120 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.00/6.48 [2019-03-29 01:57:04,121 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.00/6.48 [2019-03-29 01:57:04,121 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.00/6.48 [2019-03-29 01:57:04,125 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 13.00/6.48 [2019-03-29 01:57:04,126 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 13.00/6.48 [2019-03-29 01:57:04,135 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 13.00/6.48 [2019-03-29 01:57:04,136 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.00/6.48 Termination analysis: LINEAR_WITH_GUESSES 13.00/6.48 Number of strict supporting invariants: 0 13.00/6.48 Number of non-strict supporting invariants: 1 13.00/6.48 Consider only non-deceasing supporting invariants: true 13.00/6.48 Simplify termination arguments: true 13.00/6.48 Simplify supporting invariants: trueOverapproximate stem: false 13.00/6.48 [2019-03-29 01:57:04,136 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.00/6.48 [2019-03-29 01:57:04,137 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.00/6.48 [2019-03-29 01:57:04,137 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.00/6.48 [2019-03-29 01:57:04,137 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.00/6.48 [2019-03-29 01:57:04,140 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 13.00/6.48 [2019-03-29 01:57:04,140 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 13.00/6.48 [2019-03-29 01:57:04,149 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 13.00/6.48 [2019-03-29 01:57:04,149 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.00/6.48 Termination analysis: LINEAR_WITH_GUESSES 13.00/6.48 Number of strict supporting invariants: 0 13.00/6.48 Number of non-strict supporting invariants: 1 13.00/6.48 Consider only non-deceasing supporting invariants: true 13.00/6.48 Simplify termination arguments: true 13.00/6.48 Simplify supporting invariants: trueOverapproximate stem: false 13.00/6.48 [2019-03-29 01:57:04,150 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.00/6.48 [2019-03-29 01:57:04,150 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.00/6.48 [2019-03-29 01:57:04,151 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.00/6.48 [2019-03-29 01:57:04,151 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.00/6.48 [2019-03-29 01:57:04,151 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.00/6.48 [2019-03-29 01:57:04,154 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.00/6.48 [2019-03-29 01:57:04,154 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.00/6.48 [2019-03-29 01:57:04,164 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 13.00/6.48 [2019-03-29 01:57:04,177 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 13.00/6.48 [2019-03-29 01:57:04,177 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. 13.00/6.48 [2019-03-29 01:57:04,179 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 13.00/6.48 [2019-03-29 01:57:04,179 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 13.00/6.48 [2019-03-29 01:57:04,180 INFO L518 LassoAnalysis]: Proved termination. 13.00/6.48 [2019-03-29 01:57:04,180 INFO L520 LassoAnalysis]: Termination argument consisting of: 13.00/6.48 Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0) = -1*ULTIMATE.start_main_~y~0 + 1*ULTIMATE.start_main_~x~0 13.00/6.48 Supporting invariants [] 13.00/6.48 [2019-03-29 01:57:04,182 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 13.00/6.48 [2019-03-29 01:57:04,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.00/6.48 [2019-03-29 01:57:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.00/6.48 [2019-03-29 01:57:04,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 13.00/6.48 [2019-03-29 01:57:04,229 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.00/6.48 [2019-03-29 01:57:04,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.00/6.48 [2019-03-29 01:57:04,239 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 13.00/6.48 [2019-03-29 01:57:04,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.00/6.48 [2019-03-29 01:57:04,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.00/6.48 [2019-03-29 01:57:04,251 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 13.00/6.48 [2019-03-29 01:57:04,256 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 13.00/6.48 [2019-03-29 01:57:04,258 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 2 states. Second operand 2 states. 13.00/6.48 [2019-03-29 01:57:04,276 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 2 states.. Second operand 2 states. Result 3 states and 3 transitions. Complement of second has 2 states. 13.00/6.48 [2019-03-29 01:57:04,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states 13.00/6.48 [2019-03-29 01:57:04,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 13.00/6.48 [2019-03-29 01:57:04,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. 13.00/6.48 [2019-03-29 01:57:04,280 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 1 letters. 13.00/6.48 [2019-03-29 01:57:04,280 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.00/6.48 [2019-03-29 01:57:04,281 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 2 letters. Loop has 1 letters. 13.00/6.48 [2019-03-29 01:57:04,281 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.00/6.48 [2019-03-29 01:57:04,281 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 2 letters. 13.00/6.48 [2019-03-29 01:57:04,281 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.00/6.48 [2019-03-29 01:57:04,286 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 3 transitions. 13.00/6.48 [2019-03-29 01:57:04,286 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.00/6.48 [2019-03-29 01:57:04,289 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 0 states and 0 transitions. 13.00/6.48 [2019-03-29 01:57:04,290 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 13.00/6.48 [2019-03-29 01:57:04,290 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 13.00/6.48 [2019-03-29 01:57:04,291 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 13.00/6.48 [2019-03-29 01:57:04,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 13.00/6.48 [2019-03-29 01:57:04,291 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.00/6.48 [2019-03-29 01:57:04,291 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.00/6.48 [2019-03-29 01:57:04,291 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.00/6.48 [2019-03-29 01:57:04,292 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 13.00/6.48 [2019-03-29 01:57:04,292 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 13.00/6.48 [2019-03-29 01:57:04,292 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.00/6.48 [2019-03-29 01:57:04,292 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 13.00/6.48 [2019-03-29 01:57:04,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:57:04 BasicIcfg 13.00/6.48 [2019-03-29 01:57:04,298 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 13.00/6.48 [2019-03-29 01:57:04,298 INFO L168 Benchmark]: Toolchain (without parser) took 1894.08 ms. Allocated memory was 649.6 MB in the beginning and 662.7 MB in the end (delta: 13.1 MB). Free memory was 558.4 MB in the beginning and 528.6 MB in the end (delta: 29.9 MB). Peak memory consumption was 43.0 MB. Max. memory is 50.3 GB. 13.00/6.48 [2019-03-29 01:57:04,300 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.00/6.48 [2019-03-29 01:57:04,300 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.38 ms. Allocated memory is still 649.6 MB. Free memory was 558.4 MB in the beginning and 548.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 13.00/6.48 [2019-03-29 01:57:04,301 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.88 ms. Allocated memory was 649.6 MB in the beginning and 662.7 MB in the end (delta: 13.1 MB). Free memory was 548.7 MB in the beginning and 628.4 MB in the end (delta: -79.7 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 13.00/6.48 [2019-03-29 01:57:04,302 INFO L168 Benchmark]: Boogie Preprocessor took 19.53 ms. Allocated memory is still 662.7 MB. Free memory was 628.4 MB in the beginning and 625.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 13.00/6.48 [2019-03-29 01:57:04,303 INFO L168 Benchmark]: RCFGBuilder took 205.92 ms. Allocated memory is still 662.7 MB. Free memory was 625.6 MB in the beginning and 613.2 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 50.3 GB. 13.00/6.48 [2019-03-29 01:57:04,303 INFO L168 Benchmark]: BlockEncodingV2 took 73.00 ms. Allocated memory is still 662.7 MB. Free memory was 613.2 MB in the beginning and 607.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.00/6.48 [2019-03-29 01:57:04,304 INFO L168 Benchmark]: TraceAbstraction took 154.25 ms. Allocated memory is still 662.7 MB. Free memory was 607.8 MB in the beginning and 599.1 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 13.00/6.48 [2019-03-29 01:57:04,304 INFO L168 Benchmark]: BuchiAutomizer took 1109.90 ms. Allocated memory is still 662.7 MB. Free memory was 599.1 MB in the beginning and 528.6 MB in the end (delta: 70.6 MB). Peak memory consumption was 70.6 MB. Max. memory is 50.3 GB. 13.00/6.48 [2019-03-29 01:57:04,309 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 13.00/6.48 --- Results --- 13.00/6.48 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 13.00/6.48 - StatisticsResult: Initial Icfg 13.00/6.48 6 locations, 7 edges 13.00/6.48 - StatisticsResult: Encoded RCFG 13.00/6.48 2 locations, 2 edges 13.00/6.48 * Results from de.uni_freiburg.informatik.ultimate.core: 13.00/6.48 - StatisticsResult: Toolchain Benchmarks 13.00/6.48 Benchmark results are: 13.00/6.48 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.00/6.48 * CACSL2BoogieTranslator took 231.38 ms. Allocated memory is still 649.6 MB. Free memory was 558.4 MB in the beginning and 548.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 13.00/6.48 * Boogie Procedure Inliner took 94.88 ms. Allocated memory was 649.6 MB in the beginning and 662.7 MB in the end (delta: 13.1 MB). Free memory was 548.7 MB in the beginning and 628.4 MB in the end (delta: -79.7 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 13.00/6.48 * Boogie Preprocessor took 19.53 ms. Allocated memory is still 662.7 MB. Free memory was 628.4 MB in the beginning and 625.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 13.00/6.48 * RCFGBuilder took 205.92 ms. Allocated memory is still 662.7 MB. Free memory was 625.6 MB in the beginning and 613.2 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 50.3 GB. 13.00/6.48 * BlockEncodingV2 took 73.00 ms. Allocated memory is still 662.7 MB. Free memory was 613.2 MB in the beginning and 607.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.00/6.48 * TraceAbstraction took 154.25 ms. Allocated memory is still 662.7 MB. Free memory was 607.8 MB in the beginning and 599.1 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 13.00/6.48 * BuchiAutomizer took 1109.90 ms. Allocated memory is still 662.7 MB. Free memory was 599.1 MB in the beginning and 528.6 MB in the end (delta: 70.6 MB). Peak memory consumption was 70.6 MB. Max. memory is 50.3 GB. 13.00/6.48 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 13.00/6.48 - AllSpecificationsHoldResult: All specifications hold 13.00/6.48 We were not able to verify any specifiation because the program does not contain any specification. 13.00/6.48 - InvariantResult [Line: 13]: Loop Invariant 13.00/6.48 Derived loop invariant: 1 13.00/6.48 - StatisticsResult: Ultimate Automizer benchmark data 13.00/6.48 CFG has 1 procedures, 2 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=2occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 13.00/6.48 - StatisticsResult: Constructed decomposition of program 13.00/6.48 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function -1 * y + x and consists of 2 locations. 13.00/6.48 - StatisticsResult: Timing statistics 13.00/6.48 BüchiAutomizer plugin needed 1.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax166 hnf100 lsp60 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq166 hnf93 smp100 dnf100 smp100 tf107 neg100 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s 13.00/6.48 - TerminationAnalysisResult: Termination proven 13.00/6.48 Buchi Automizer proved that your program is terminating 13.00/6.48 RESULT: Ultimate proved your program to be correct! 13.00/6.48 !SESSION 2019-03-29 01:56:59.152 ----------------------------------------------- 13.00/6.48 eclipse.buildId=unknown 13.00/6.48 java.version=1.8.0_181 13.00/6.48 java.vendor=Oracle Corporation 13.00/6.48 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 13.00/6.48 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 13.00/6.48 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 13.00/6.48 13.00/6.48 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 01:57:04.540 13.00/6.48 !MESSAGE The workspace will exit with unsaved changes in this session. 13.00/6.48 Received shutdown request... 13.00/6.48 Ultimate: 13.00/6.48 GTK+ Version Check 13.00/6.48 EOF