15.41/7.44 YES 15.41/7.44 15.41/7.44 Ultimate: Cannot open display: 15.41/7.44 This is Ultimate 0.1.24-8dc7c08-m 15.41/7.44 [2019-03-28 12:13:00,987 INFO L170 SettingsManager]: Resetting all preferences to default values... 15.41/7.44 [2019-03-28 12:13:00,989 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 15.41/7.44 [2019-03-28 12:13:01,000 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 15.41/7.44 [2019-03-28 12:13:01,001 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 15.41/7.44 [2019-03-28 12:13:01,002 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 15.41/7.44 [2019-03-28 12:13:01,003 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 15.41/7.44 [2019-03-28 12:13:01,004 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 15.41/7.44 [2019-03-28 12:13:01,006 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 15.41/7.44 [2019-03-28 12:13:01,007 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 15.41/7.44 [2019-03-28 12:13:01,008 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 15.41/7.44 [2019-03-28 12:13:01,009 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 15.41/7.44 [2019-03-28 12:13:01,010 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 15.41/7.44 [2019-03-28 12:13:01,011 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 15.41/7.44 [2019-03-28 12:13:01,012 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 15.41/7.44 [2019-03-28 12:13:01,012 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 15.41/7.44 [2019-03-28 12:13:01,013 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 15.41/7.44 [2019-03-28 12:13:01,015 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 15.41/7.44 [2019-03-28 12:13:01,017 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 15.41/7.44 [2019-03-28 12:13:01,020 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 15.41/7.44 [2019-03-28 12:13:01,021 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 15.41/7.44 [2019-03-28 12:13:01,022 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 15.41/7.44 [2019-03-28 12:13:01,024 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 15.41/7.44 [2019-03-28 12:13:01,024 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 15.41/7.44 [2019-03-28 12:13:01,024 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 15.41/7.44 [2019-03-28 12:13:01,025 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 15.41/7.44 [2019-03-28 12:13:01,026 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 15.41/7.44 [2019-03-28 12:13:01,027 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 15.41/7.44 [2019-03-28 12:13:01,027 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 15.41/7.44 [2019-03-28 12:13:01,028 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 15.41/7.44 [2019-03-28 12:13:01,028 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 15.41/7.44 [2019-03-28 12:13:01,029 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 15.41/7.44 [2019-03-28 12:13:01,030 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 15.41/7.44 [2019-03-28 12:13:01,030 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 15.41/7.44 [2019-03-28 12:13:01,031 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 15.41/7.44 [2019-03-28 12:13:01,031 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 15.41/7.44 [2019-03-28 12:13:01,031 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 15.41/7.44 [2019-03-28 12:13:01,032 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 15.41/7.44 [2019-03-28 12:13:01,033 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 15.41/7.44 [2019-03-28 12:13:01,033 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 15.41/7.44 [2019-03-28 12:13:01,048 INFO L110 SettingsManager]: Loading preferences was successful 15.41/7.44 [2019-03-28 12:13:01,048 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 15.41/7.44 [2019-03-28 12:13:01,049 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 15.41/7.44 [2019-03-28 12:13:01,049 INFO L133 SettingsManager]: * Rewrite not-equals=true 15.41/7.44 [2019-03-28 12:13:01,049 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 15.41/7.44 [2019-03-28 12:13:01,050 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 15.41/7.44 [2019-03-28 12:13:01,050 INFO L133 SettingsManager]: * Use SBE=true 15.41/7.44 [2019-03-28 12:13:01,050 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 15.41/7.44 [2019-03-28 12:13:01,050 INFO L133 SettingsManager]: * Use old map elimination=false 15.41/7.44 [2019-03-28 12:13:01,050 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 15.41/7.44 [2019-03-28 12:13:01,051 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 15.41/7.44 [2019-03-28 12:13:01,051 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 15.41/7.44 [2019-03-28 12:13:01,051 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 15.41/7.44 [2019-03-28 12:13:01,051 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 15.41/7.44 [2019-03-28 12:13:01,051 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.41/7.44 [2019-03-28 12:13:01,052 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 15.41/7.44 [2019-03-28 12:13:01,052 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 15.41/7.44 [2019-03-28 12:13:01,052 INFO L133 SettingsManager]: * Check division by zero=IGNORE 15.41/7.44 [2019-03-28 12:13:01,052 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 15.41/7.44 [2019-03-28 12:13:01,052 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 15.41/7.44 [2019-03-28 12:13:01,052 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 15.41/7.44 [2019-03-28 12:13:01,053 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 15.41/7.44 [2019-03-28 12:13:01,053 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 15.41/7.44 [2019-03-28 12:13:01,053 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 15.41/7.44 [2019-03-28 12:13:01,053 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.41/7.44 [2019-03-28 12:13:01,053 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 15.41/7.44 [2019-03-28 12:13:01,054 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 15.41/7.44 [2019-03-28 12:13:01,054 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 15.41/7.44 [2019-03-28 12:13:01,054 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 15.41/7.44 [2019-03-28 12:13:01,080 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 15.41/7.44 [2019-03-28 12:13:01,095 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 15.41/7.44 [2019-03-28 12:13:01,099 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 15.41/7.44 [2019-03-28 12:13:01,101 INFO L271 PluginConnector]: Initializing CDTParser... 15.41/7.44 [2019-03-28 12:13:01,101 INFO L276 PluginConnector]: CDTParser initialized 15.41/7.44 [2019-03-28 12:13:01,102 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 15.41/7.44 [2019-03-28 12:13:01,176 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/9ac1f60a3be8441c977764eb8e8a2545/FLAG061ff1901 15.41/7.44 [2019-03-28 12:13:01,514 INFO L307 CDTParser]: Found 1 translation units. 15.41/7.44 [2019-03-28 12:13:01,515 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 15.41/7.44 [2019-03-28 12:13:01,521 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/9ac1f60a3be8441c977764eb8e8a2545/FLAG061ff1901 15.41/7.44 [2019-03-28 12:13:02,002 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/9ac1f60a3be8441c977764eb8e8a2545 15.41/7.44 [2019-03-28 12:13:02,013 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 15.41/7.44 [2019-03-28 12:13:02,015 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 15.41/7.44 [2019-03-28 12:13:02,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 15.41/7.44 [2019-03-28 12:13:02,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 15.41/7.44 [2019-03-28 12:13:02,020 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 15.41/7.44 [2019-03-28 12:13:02,021 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:13:02" (1/1) ... 15.41/7.44 [2019-03-28 12:13:02,024 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@347d0c9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:13:02, skipping insertion in model container 15.41/7.44 [2019-03-28 12:13:02,024 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:13:02" (1/1) ... 15.41/7.44 [2019-03-28 12:13:02,032 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 15.41/7.44 [2019-03-28 12:13:02,048 INFO L176 MainTranslator]: Built tables and reachable declarations 15.41/7.44 [2019-03-28 12:13:02,206 INFO L206 PostProcessor]: Analyzing one entry point: main 15.41/7.44 [2019-03-28 12:13:02,210 INFO L191 MainTranslator]: Completed pre-run 15.41/7.44 [2019-03-28 12:13:02,226 INFO L206 PostProcessor]: Analyzing one entry point: main 15.41/7.44 [2019-03-28 12:13:02,240 INFO L195 MainTranslator]: Completed translation 15.41/7.44 [2019-03-28 12:13:02,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:13:02 WrapperNode 15.41/7.44 [2019-03-28 12:13:02,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 15.41/7.44 [2019-03-28 12:13:02,242 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 15.41/7.44 [2019-03-28 12:13:02,242 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 15.41/7.44 [2019-03-28 12:13:02,242 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 15.41/7.44 [2019-03-28 12:13:02,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:13:02" (1/1) ... 15.41/7.44 [2019-03-28 12:13:02,313 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:13:02" (1/1) ... 15.41/7.44 [2019-03-28 12:13:02,332 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 15.41/7.44 [2019-03-28 12:13:02,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 15.41/7.44 [2019-03-28 12:13:02,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 15.41/7.44 [2019-03-28 12:13:02,333 INFO L276 PluginConnector]: Boogie Preprocessor initialized 15.41/7.44 [2019-03-28 12:13:02,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:13:02" (1/1) ... 15.41/7.44 [2019-03-28 12:13:02,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:13:02" (1/1) ... 15.41/7.44 [2019-03-28 12:13:02,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:13:02" (1/1) ... 15.41/7.44 [2019-03-28 12:13:02,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:13:02" (1/1) ... 15.41/7.44 [2019-03-28 12:13:02,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:13:02" (1/1) ... 15.41/7.44 [2019-03-28 12:13:02,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:13:02" (1/1) ... 15.41/7.44 [2019-03-28 12:13:02,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:13:02" (1/1) ... 15.41/7.44 [2019-03-28 12:13:02,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 15.41/7.44 [2019-03-28 12:13:02,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 15.41/7.44 [2019-03-28 12:13:02,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... 15.41/7.44 [2019-03-28 12:13:02,353 INFO L276 PluginConnector]: RCFGBuilder initialized 15.41/7.44 [2019-03-28 12:13:02,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:13:02" (1/1) ... 15.41/7.44 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.41/7.44 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 15.41/7.44 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.41/7.44 [2019-03-28 12:13:02,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 15.41/7.44 [2019-03-28 12:13:02,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 15.41/7.44 [2019-03-28 12:13:02,556 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 15.41/7.44 [2019-03-28 12:13:02,557 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. 15.41/7.44 [2019-03-28 12:13:02,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:13:02 BoogieIcfgContainer 15.41/7.44 [2019-03-28 12:13:02,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 15.41/7.44 [2019-03-28 12:13:02,559 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 15.41/7.44 [2019-03-28 12:13:02,559 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 15.41/7.44 [2019-03-28 12:13:02,561 INFO L276 PluginConnector]: BlockEncodingV2 initialized 15.41/7.44 [2019-03-28 12:13:02,562 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:13:02" (1/1) ... 15.41/7.44 [2019-03-28 12:13:02,576 INFO L313 BlockEncoder]: Initial Icfg 10 locations, 13 edges 15.41/7.44 [2019-03-28 12:13:02,577 INFO L258 BlockEncoder]: Using Remove infeasible edges 15.41/7.44 [2019-03-28 12:13:02,578 INFO L263 BlockEncoder]: Using Maximize final states 15.41/7.44 [2019-03-28 12:13:02,579 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 15.41/7.44 [2019-03-28 12:13:02,579 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 15.41/7.44 [2019-03-28 12:13:02,581 INFO L296 BlockEncoder]: Using Remove sink states 15.41/7.44 [2019-03-28 12:13:02,582 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 15.41/7.44 [2019-03-28 12:13:02,582 INFO L179 BlockEncoder]: Using Rewrite not-equals 15.41/7.44 [2019-03-28 12:13:02,597 INFO L185 BlockEncoder]: Using Use SBE 15.41/7.44 [2019-03-28 12:13:02,612 INFO L200 BlockEncoder]: SBE split 2 edges 15.41/7.44 [2019-03-28 12:13:02,617 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 15.41/7.44 [2019-03-28 12:13:02,619 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.41/7.44 [2019-03-28 12:13:02,629 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 15.41/7.44 [2019-03-28 12:13:02,631 INFO L70 RemoveSinkStates]: Removed 4 edges and 2 locations by removing sink states 15.41/7.44 [2019-03-28 12:13:02,632 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.41/7.44 [2019-03-28 12:13:02,633 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.41/7.44 [2019-03-28 12:13:02,636 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding 15.41/7.44 [2019-03-28 12:13:02,637 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 15.41/7.44 [2019-03-28 12:13:02,637 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.41/7.44 [2019-03-28 12:13:02,637 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.41/7.44 [2019-03-28 12:13:02,637 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 15.41/7.44 [2019-03-28 12:13:02,638 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 15.41/7.44 [2019-03-28 12:13:02,638 INFO L313 BlockEncoder]: Encoded RCFG 4 locations, 6 edges 15.41/7.44 [2019-03-28 12:13:02,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:13:02 BasicIcfg 15.41/7.44 [2019-03-28 12:13:02,639 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 15.41/7.44 [2019-03-28 12:13:02,640 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 15.41/7.44 [2019-03-28 12:13:02,640 INFO L271 PluginConnector]: Initializing TraceAbstraction... 15.41/7.44 [2019-03-28 12:13:02,643 INFO L276 PluginConnector]: TraceAbstraction initialized 15.41/7.44 [2019-03-28 12:13:02,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:13:02" (1/4) ... 15.41/7.44 [2019-03-28 12:13:02,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d7b4666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:13:02, skipping insertion in model container 15.41/7.44 [2019-03-28 12:13:02,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:13:02" (2/4) ... 15.41/7.44 [2019-03-28 12:13:02,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d7b4666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:13:02, skipping insertion in model container 15.41/7.44 [2019-03-28 12:13:02,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:13:02" (3/4) ... 15.41/7.44 [2019-03-28 12:13:02,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d7b4666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:13:02, skipping insertion in model container 15.41/7.44 [2019-03-28 12:13:02,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:13:02" (4/4) ... 15.41/7.44 [2019-03-28 12:13:02,650 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.41/7.44 [2019-03-28 12:13:02,660 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 15.41/7.44 [2019-03-28 12:13:02,669 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 15.41/7.44 [2019-03-28 12:13:02,687 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 15.41/7.44 [2019-03-28 12:13:02,715 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.41/7.44 [2019-03-28 12:13:02,716 INFO L382 AbstractCegarLoop]: Interprodecural is true 15.41/7.44 [2019-03-28 12:13:02,716 INFO L383 AbstractCegarLoop]: Hoare is true 15.41/7.44 [2019-03-28 12:13:02,716 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 15.41/7.44 [2019-03-28 12:13:02,716 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 15.41/7.44 [2019-03-28 12:13:02,716 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.41/7.44 [2019-03-28 12:13:02,716 INFO L387 AbstractCegarLoop]: Difference is false 15.41/7.44 [2019-03-28 12:13:02,716 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 15.41/7.44 [2019-03-28 12:13:02,717 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 15.41/7.44 [2019-03-28 12:13:02,731 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. 15.41/7.44 [2019-03-28 12:13:02,736 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 15.41/7.44 [2019-03-28 12:13:02,739 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. 15.41/7.44 [2019-03-28 12:13:02,788 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 15.41/7.45 [2019-03-28 12:13:02,789 INFO L448 ceAbstractionStarter]: For program point L11(lines 11 15) no Hoare annotation was computed. 15.41/7.45 [2019-03-28 12:13:02,789 INFO L448 ceAbstractionStarter]: For program point L11-2(lines 11 15) no Hoare annotation was computed. 15.41/7.45 [2019-03-28 12:13:02,789 INFO L451 ceAbstractionStarter]: At program point L10-2(lines 10 17) the Hoare annotation is: true 15.41/7.45 [2019-03-28 12:13:02,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:13:02 BasicIcfg 15.41/7.45 [2019-03-28 12:13:02,797 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 15.41/7.45 [2019-03-28 12:13:02,798 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 15.41/7.45 [2019-03-28 12:13:02,798 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 15.41/7.45 [2019-03-28 12:13:02,801 INFO L276 PluginConnector]: BuchiAutomizer initialized 15.41/7.45 [2019-03-28 12:13:02,802 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.41/7.45 [2019-03-28 12:13:02,802 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:13:02" (1/5) ... 15.41/7.45 [2019-03-28 12:13:02,803 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40cdd0c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:13:02, skipping insertion in model container 15.41/7.45 [2019-03-28 12:13:02,803 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.41/7.45 [2019-03-28 12:13:02,803 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:13:02" (2/5) ... 15.41/7.45 [2019-03-28 12:13:02,804 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40cdd0c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:13:02, skipping insertion in model container 15.41/7.45 [2019-03-28 12:13:02,804 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.41/7.45 [2019-03-28 12:13:02,804 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:13:02" (3/5) ... 15.41/7.45 [2019-03-28 12:13:02,804 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40cdd0c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:13:02, skipping insertion in model container 15.41/7.45 [2019-03-28 12:13:02,805 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.41/7.45 [2019-03-28 12:13:02,805 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:13:02" (4/5) ... 15.41/7.45 [2019-03-28 12:13:02,805 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40cdd0c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:13:02, skipping insertion in model container 15.41/7.45 [2019-03-28 12:13:02,805 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.41/7.45 [2019-03-28 12:13:02,805 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:13:02" (5/5) ... 15.41/7.45 [2019-03-28 12:13:02,807 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.41/7.45 [2019-03-28 12:13:02,834 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.41/7.45 [2019-03-28 12:13:02,834 INFO L374 BuchiCegarLoop]: Interprodecural is true 15.41/7.45 [2019-03-28 12:13:02,834 INFO L375 BuchiCegarLoop]: Hoare is true 15.41/7.45 [2019-03-28 12:13:02,834 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 15.41/7.45 [2019-03-28 12:13:02,834 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 15.41/7.45 [2019-03-28 12:13:02,834 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.41/7.45 [2019-03-28 12:13:02,835 INFO L379 BuchiCegarLoop]: Difference is false 15.41/7.45 [2019-03-28 12:13:02,835 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 15.41/7.45 [2019-03-28 12:13:02,835 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 15.41/7.45 [2019-03-28 12:13:02,838 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 15.41/7.45 [2019-03-28 12:13:02,855 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 15.41/7.45 [2019-03-28 12:13:02,855 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.41/7.45 [2019-03-28 12:13:02,855 INFO L119 BuchiIsEmpty]: Starting construction of run 15.41/7.45 [2019-03-28 12:13:02,860 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.41/7.45 [2019-03-28 12:13:02,861 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 15.41/7.45 [2019-03-28 12:13:02,861 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 15.41/7.45 [2019-03-28 12:13:02,861 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 15.41/7.45 [2019-03-28 12:13:02,861 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 15.41/7.45 [2019-03-28 12:13:02,862 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.41/7.45 [2019-03-28 12:13:02,862 INFO L119 BuchiIsEmpty]: Starting construction of run 15.41/7.45 [2019-03-28 12:13:02,862 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.41/7.45 [2019-03-28 12:13:02,862 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 15.41/7.45 [2019-03-28 12:13:02,867 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [55] ULTIMATE.startENTRY-->L10-2: Formula: (and (= |v_ULTIMATE.start_test_fun_#in~x_2| |v_ULTIMATE.start_main_#t~nondet0_5|) (= |v_ULTIMATE.start_test_fun_#in~y_2| |v_ULTIMATE.start_main_#t~nondet1_5|) (< 0 v_ULTIMATE.start_test_fun_~x_12) (= v_ULTIMATE.start_test_fun_~y_7 |v_ULTIMATE.start_test_fun_#in~y_2|) (= |v_ULTIMATE.start_test_fun_#in~x_2| v_ULTIMATE.start_test_fun_~x_12) (< 0 v_ULTIMATE.start_test_fun_~y_7) (= v_ULTIMATE.start_test_fun_~c~0_7 0)) InVars {} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_7, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_5|, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_12, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_5|, ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_test_fun_#res=|v_ULTIMATE.start_test_fun_#res_8|, ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_7, ULTIMATE.start_test_fun_#in~y=|v_ULTIMATE.start_test_fun_#in~y_2|, ULTIMATE.start_test_fun_#in~x=|v_ULTIMATE.start_test_fun_#in~x_2|} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_test_fun_~x, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~ret2, ULTIMATE.start_main_#res, ULTIMATE.start_test_fun_#res, ULTIMATE.start_test_fun_~c~0, ULTIMATE.start_test_fun_#in~y, ULTIMATE.start_test_fun_#in~x] 5#L10-2true 15.41/7.45 [2019-03-28 12:13:02,868 INFO L796 eck$LassoCheckResult]: Loop: 5#L10-2true [50] L10-2-->L11: Formula: (> v_ULTIMATE.start_test_fun_~x_6 0) InVars {ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_6} OutVars{ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_6} AuxVars[] AssignedVars[] 4#L11true [33] L11-->L11-2: Formula: (and (< v_ULTIMATE.start_test_fun_~y_5 v_ULTIMATE.start_test_fun_~x_8) (= v_ULTIMATE.start_test_fun_~x_7 v_ULTIMATE.start_test_fun_~y_5)) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_5, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_8} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_5, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_7} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~x] 6#L11-2true [44] L11-2-->L10-2: Formula: (= v_ULTIMATE.start_test_fun_~c~0_3 (+ v_ULTIMATE.start_test_fun_~c~0_4 1)) InVars {ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_4} OutVars{ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_3} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~c~0] 5#L10-2true 15.41/7.45 [2019-03-28 12:13:02,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.41/7.45 [2019-03-28 12:13:02,875 INFO L82 PathProgramCache]: Analyzing trace with hash 86, now seen corresponding path program 1 times 15.41/7.45 [2019-03-28 12:13:02,877 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.41/7.45 [2019-03-28 12:13:02,878 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.41/7.45 [2019-03-28 12:13:02,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/7.45 [2019-03-28 12:13:02,898 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.41/7.45 [2019-03-28 12:13:02,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/7.45 [2019-03-28 12:13:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.41/7.45 [2019-03-28 12:13:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.41/7.45 [2019-03-28 12:13:02,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.41/7.45 [2019-03-28 12:13:02,954 INFO L82 PathProgramCache]: Analyzing trace with hash 78908, now seen corresponding path program 1 times 15.41/7.45 [2019-03-28 12:13:02,954 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.41/7.45 [2019-03-28 12:13:02,955 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.41/7.45 [2019-03-28 12:13:02,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/7.45 [2019-03-28 12:13:02,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.41/7.45 [2019-03-28 12:13:02,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/7.45 [2019-03-28 12:13:02,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.41/7.45 [2019-03-28 12:13:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.41/7.45 [2019-03-28 12:13:02,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.41/7.45 [2019-03-28 12:13:02,964 INFO L82 PathProgramCache]: Analyzing trace with hash 2611143, now seen corresponding path program 1 times 15.41/7.45 [2019-03-28 12:13:02,965 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.41/7.45 [2019-03-28 12:13:02,965 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.41/7.45 [2019-03-28 12:13:02,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/7.45 [2019-03-28 12:13:02,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.41/7.45 [2019-03-28 12:13:02,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/7.45 [2019-03-28 12:13:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.41/7.45 [2019-03-28 12:13:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.41/7.45 [2019-03-28 12:13:03,036 INFO L216 LassoAnalysis]: Preferences: 15.41/7.45 [2019-03-28 12:13:03,038 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.41/7.45 [2019-03-28 12:13:03,038 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.41/7.45 [2019-03-28 12:13:03,038 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.41/7.45 [2019-03-28 12:13:03,038 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.41/7.45 [2019-03-28 12:13:03,038 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.41/7.45 [2019-03-28 12:13:03,039 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.41/7.45 [2019-03-28 12:13:03,039 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.41/7.45 [2019-03-28 12:13:03,039 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.41/7.45 [2019-03-28 12:13:03,039 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.41/7.45 [2019-03-28 12:13:03,039 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.41/7.45 [2019-03-28 12:13:03,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.41/7.45 [2019-03-28 12:13:03,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.41/7.45 [2019-03-28 12:13:03,139 INFO L300 LassoAnalysis]: Preprocessing complete. 15.41/7.45 [2019-03-28 12:13:03,140 INFO L412 LassoAnalysis]: Checking for nontermination... 15.41/7.45 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.41/7.45 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.41/7.45 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.41/7.45 [2019-03-28 12:13:03,148 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.41/7.45 [2019-03-28 12:13:03,148 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.41/7.45 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.41/7.45 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.41/7.45 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.41/7.45 [2019-03-28 12:13:03,186 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.41/7.45 [2019-03-28 12:13:03,186 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.41/7.45 [2019-03-28 12:13:03,365 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.41/7.45 [2019-03-28 12:13:03,368 INFO L216 LassoAnalysis]: Preferences: 15.41/7.45 [2019-03-28 12:13:03,368 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.41/7.45 [2019-03-28 12:13:03,368 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.41/7.45 [2019-03-28 12:13:03,368 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.41/7.45 [2019-03-28 12:13:03,368 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.41/7.45 [2019-03-28 12:13:03,369 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.41/7.45 [2019-03-28 12:13:03,369 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.41/7.45 [2019-03-28 12:13:03,369 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.41/7.45 [2019-03-28 12:13:03,369 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.41/7.45 [2019-03-28 12:13:03,369 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.41/7.45 [2019-03-28 12:13:03,369 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.41/7.45 [2019-03-28 12:13:03,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.41/7.45 [2019-03-28 12:13:03,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.41/7.45 [2019-03-28 12:13:03,434 INFO L300 LassoAnalysis]: Preprocessing complete. 15.41/7.45 [2019-03-28 12:13:03,439 INFO L497 LassoAnalysis]: Using template 'affine'. 15.41/7.45 [2019-03-28 12:13:03,441 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.41/7.45 Termination analysis: LINEAR_WITH_GUESSES 15.41/7.45 Number of strict supporting invariants: 0 15.41/7.45 Number of non-strict supporting invariants: 1 15.41/7.45 Consider only non-deceasing supporting invariants: true 15.41/7.45 Simplify termination arguments: true 15.41/7.45 Simplify supporting invariants: trueOverapproximate stem: false 15.41/7.45 [2019-03-28 12:13:03,443 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.41/7.45 [2019-03-28 12:13:03,443 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.41/7.45 [2019-03-28 12:13:03,444 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.41/7.45 [2019-03-28 12:13:03,444 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.41/7.45 [2019-03-28 12:13:03,444 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.41/7.45 [2019-03-28 12:13:03,447 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.41/7.45 [2019-03-28 12:13:03,447 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.41/7.45 [2019-03-28 12:13:03,455 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.41/7.45 [2019-03-28 12:13:03,466 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 15.41/7.45 [2019-03-28 12:13:03,466 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 2 variables to zero. 15.41/7.45 [2019-03-28 12:13:03,468 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.41/7.45 [2019-03-28 12:13:03,468 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.41/7.45 [2019-03-28 12:13:03,469 INFO L518 LassoAnalysis]: Proved termination. 15.41/7.45 [2019-03-28 12:13:03,470 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.41/7.45 Ranking function f(ULTIMATE.start_test_fun_~x) = 1*ULTIMATE.start_test_fun_~x 15.41/7.45 Supporting invariants [] 15.41/7.45 [2019-03-28 12:13:03,471 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.41/7.45 [2019-03-28 12:13:03,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.41/7.45 [2019-03-28 12:13:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.41/7.45 [2019-03-28 12:13:03,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core 15.41/7.45 [2019-03-28 12:13:03,509 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.41/7.45 [2019-03-28 12:13:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.41/7.45 [2019-03-28 12:13:03,523 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core 15.41/7.45 [2019-03-28 12:13:03,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.41/7.45 [2019-03-28 12:13:03,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.41/7.45 [2019-03-28 12:13:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.41/7.45 [2019-03-28 12:13:03,631 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core 15.41/7.45 [2019-03-28 12:13:03,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.41/7.45 [2019-03-28 12:13:03,638 INFO L98 LoopCannibalizer]: 4 predicates before loop cannibalization 4 predicates after loop cannibalization 15.41/7.45 [2019-03-28 12:13:03,644 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 4 loop predicates 15.41/7.45 [2019-03-28 12:13:03,645 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states. Second operand 4 states. 15.41/7.45 [2019-03-28 12:13:03,755 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states.. Second operand 4 states. Result 20 states and 32 transitions. Complement of second has 10 states. 15.41/7.45 [2019-03-28 12:13:03,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 3 non-accepting loop states 2 accepting loop states 15.41/7.45 [2019-03-28 12:13:03,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 15.41/7.45 [2019-03-28 12:13:03,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 28 transitions. 15.41/7.45 [2019-03-28 12:13:03,760 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 28 transitions. Stem has 1 letters. Loop has 3 letters. 15.41/7.45 [2019-03-28 12:13:03,762 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.41/7.45 [2019-03-28 12:13:03,762 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 28 transitions. Stem has 4 letters. Loop has 3 letters. 15.41/7.45 [2019-03-28 12:13:03,763 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.41/7.45 [2019-03-28 12:13:03,763 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 28 transitions. Stem has 1 letters. Loop has 6 letters. 15.41/7.45 [2019-03-28 12:13:03,763 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.41/7.45 [2019-03-28 12:13:03,770 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 32 transitions. 15.41/7.45 [2019-03-28 12:13:03,772 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 15.41/7.45 [2019-03-28 12:13:03,777 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 15 states and 24 transitions. 15.41/7.45 [2019-03-28 12:13:03,778 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 15.41/7.45 [2019-03-28 12:13:03,778 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 15.41/7.45 [2019-03-28 12:13:03,779 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 24 transitions. 15.41/7.45 [2019-03-28 12:13:03,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.41/7.45 [2019-03-28 12:13:03,780 INFO L706 BuchiCegarLoop]: Abstraction has 15 states and 24 transitions. 15.41/7.45 [2019-03-28 12:13:03,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 24 transitions. 15.41/7.45 [2019-03-28 12:13:03,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 10. 15.41/7.45 [2019-03-28 12:13:03,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. 15.41/7.45 [2019-03-28 12:13:03,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 15 transitions. 15.41/7.45 [2019-03-28 12:13:03,810 INFO L729 BuchiCegarLoop]: Abstraction has 10 states and 15 transitions. 15.41/7.45 [2019-03-28 12:13:03,810 INFO L609 BuchiCegarLoop]: Abstraction has 10 states and 15 transitions. 15.41/7.45 [2019-03-28 12:13:03,810 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 15.41/7.45 [2019-03-28 12:13:03,810 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 15 transitions. 15.41/7.45 [2019-03-28 12:13:03,811 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 15.41/7.45 [2019-03-28 12:13:03,811 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.41/7.45 [2019-03-28 12:13:03,811 INFO L119 BuchiIsEmpty]: Starting construction of run 15.41/7.45 [2019-03-28 12:13:03,811 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] 15.41/7.45 [2019-03-28 12:13:03,812 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 15.41/7.45 [2019-03-28 12:13:03,812 INFO L794 eck$LassoCheckResult]: Stem: 81#ULTIMATE.startENTRY [55] ULTIMATE.startENTRY-->L10-2: Formula: (and (= |v_ULTIMATE.start_test_fun_#in~x_2| |v_ULTIMATE.start_main_#t~nondet0_5|) (= |v_ULTIMATE.start_test_fun_#in~y_2| |v_ULTIMATE.start_main_#t~nondet1_5|) (< 0 v_ULTIMATE.start_test_fun_~x_12) (= v_ULTIMATE.start_test_fun_~y_7 |v_ULTIMATE.start_test_fun_#in~y_2|) (= |v_ULTIMATE.start_test_fun_#in~x_2| v_ULTIMATE.start_test_fun_~x_12) (< 0 v_ULTIMATE.start_test_fun_~y_7) (= v_ULTIMATE.start_test_fun_~c~0_7 0)) InVars {} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_7, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_5|, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_12, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_5|, ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_test_fun_#res=|v_ULTIMATE.start_test_fun_#res_8|, ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_7, ULTIMATE.start_test_fun_#in~y=|v_ULTIMATE.start_test_fun_#in~y_2|, ULTIMATE.start_test_fun_#in~x=|v_ULTIMATE.start_test_fun_#in~x_2|} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_test_fun_~x, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~ret2, ULTIMATE.start_main_#res, ULTIMATE.start_test_fun_#res, ULTIMATE.start_test_fun_~c~0, ULTIMATE.start_test_fun_#in~y, ULTIMATE.start_test_fun_#in~x] 82#L10-2 [50] L10-2-->L11: Formula: (> v_ULTIMATE.start_test_fun_~x_6 0) InVars {ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_6} OutVars{ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_6} AuxVars[] AssignedVars[] 85#L11 [47] L11-->L11-2: Formula: (and (= v_ULTIMATE.start_test_fun_~x_9 (+ v_ULTIMATE.start_test_fun_~x_10 (- 1))) (>= v_ULTIMATE.start_test_fun_~y_6 v_ULTIMATE.start_test_fun_~x_10)) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_6, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_10} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_6, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_9} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~x] 86#L11-2 [44] L11-2-->L10-2: Formula: (= v_ULTIMATE.start_test_fun_~c~0_3 (+ v_ULTIMATE.start_test_fun_~c~0_4 1)) InVars {ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_4} OutVars{ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_3} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~c~0] 89#L10-2 15.41/7.45 [2019-03-28 12:13:03,812 INFO L796 eck$LassoCheckResult]: Loop: 89#L10-2 [51] L10-2-->L11: Formula: (< v_ULTIMATE.start_test_fun_~x_6 0) InVars {ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_6} OutVars{ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_6} AuxVars[] AssignedVars[] 83#L11 [33] L11-->L11-2: Formula: (and (< v_ULTIMATE.start_test_fun_~y_5 v_ULTIMATE.start_test_fun_~x_8) (= v_ULTIMATE.start_test_fun_~x_7 v_ULTIMATE.start_test_fun_~y_5)) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_5, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_8} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_5, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_7} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~x] 84#L11-2 [44] L11-2-->L10-2: Formula: (= v_ULTIMATE.start_test_fun_~c~0_3 (+ v_ULTIMATE.start_test_fun_~c~0_4 1)) InVars {ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_4} OutVars{ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_3} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~c~0] 89#L10-2 15.41/7.45 [2019-03-28 12:13:03,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.41/7.45 [2019-03-28 12:13:03,813 INFO L82 PathProgramCache]: Analyzing trace with hash 2611577, now seen corresponding path program 1 times 15.41/7.45 [2019-03-28 12:13:03,813 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.41/7.45 [2019-03-28 12:13:03,813 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.41/7.45 [2019-03-28 12:13:03,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/7.45 [2019-03-28 12:13:03,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.41/7.45 [2019-03-28 12:13:03,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/7.45 [2019-03-28 12:13:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.41/7.45 [2019-03-28 12:13:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.41/7.45 [2019-03-28 12:13:03,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.41/7.45 [2019-03-28 12:13:03,825 INFO L82 PathProgramCache]: Analyzing trace with hash 79869, now seen corresponding path program 1 times 15.41/7.45 [2019-03-28 12:13:03,825 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.41/7.45 [2019-03-28 12:13:03,825 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.41/7.45 [2019-03-28 12:13:03,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/7.45 [2019-03-28 12:13:03,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.41/7.45 [2019-03-28 12:13:03,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/7.45 [2019-03-28 12:13:03,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.41/7.45 [2019-03-28 12:13:03,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.41/7.45 [2019-03-28 12:13:03,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.41/7.45 [2019-03-28 12:13:03,832 INFO L82 PathProgramCache]: Analyzing trace with hash 492129157, now seen corresponding path program 1 times 15.41/7.45 [2019-03-28 12:13:03,832 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.41/7.45 [2019-03-28 12:13:03,832 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.41/7.45 [2019-03-28 12:13:03,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/7.45 [2019-03-28 12:13:03,833 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.41/7.45 [2019-03-28 12:13:03,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/7.45 [2019-03-28 12:13:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.41/7.45 [2019-03-28 12:13:03,878 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.41/7.45 [2019-03-28 12:13:03,880 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. 15.41/7.45 [2019-03-28 12:13:03,880 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP 15.41/7.45 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.41/7.45 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) 15.41/7.45 Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 15.41/7.45 [2019-03-28 12:13:03,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.41/7.45 [2019-03-28 12:13:03,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.41/7.45 [2019-03-28 12:13:03,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjunts are in the unsatisfiable core 15.41/7.45 [2019-03-28 12:13:03,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.41/7.45 [2019-03-28 12:13:03,910 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.41/7.45 [2019-03-28 12:13:03,938 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. 15.41/7.45 [2019-03-28 12:13:03,938 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 15.41/7.45 [2019-03-28 12:13:03,974 INFO L216 LassoAnalysis]: Preferences: 15.41/7.45 [2019-03-28 12:13:03,974 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.41/7.45 [2019-03-28 12:13:03,974 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.41/7.45 [2019-03-28 12:13:03,975 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.41/7.45 [2019-03-28 12:13:03,975 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.41/7.45 [2019-03-28 12:13:03,975 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.41/7.45 [2019-03-28 12:13:03,975 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.41/7.45 [2019-03-28 12:13:03,975 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.41/7.45 [2019-03-28 12:13:03,975 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 15.41/7.45 [2019-03-28 12:13:03,975 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.41/7.45 [2019-03-28 12:13:03,975 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.41/7.45 [2019-03-28 12:13:03,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.41/7.45 [2019-03-28 12:13:03,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.41/7.45 [2019-03-28 12:13:04,035 INFO L300 LassoAnalysis]: Preprocessing complete. 15.41/7.45 [2019-03-28 12:13:04,036 INFO L412 LassoAnalysis]: Checking for nontermination... 15.41/7.45 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.41/7.45 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.41/7.45 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.41/7.45 [2019-03-28 12:13:04,044 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.41/7.45 [2019-03-28 12:13:04,044 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.41/7.45 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.41/7.45 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.41/7.45 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.41/7.45 [2019-03-28 12:13:04,078 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.41/7.45 [2019-03-28 12:13:04,078 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.41/7.45 [2019-03-28 12:13:04,099 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.41/7.45 [2019-03-28 12:13:04,099 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_fun_~c~0=0} Honda state: {ULTIMATE.start_test_fun_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_test_fun_~c~0=-4}, {ULTIMATE.start_test_fun_~c~0=7}, {ULTIMATE.start_test_fun_~c~0=-2}] Lambdas: [1, 1, 1] Nus: [0, 0] 15.41/7.45 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.41/7.45 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.41/7.45 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.41/7.45 [2019-03-28 12:13:04,129 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.41/7.45 [2019-03-28 12:13:04,130 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.41/7.45 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.41/7.45 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.41/7.45 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.41/7.45 [2019-03-28 12:13:04,167 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.41/7.45 [2019-03-28 12:13:04,167 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.41/7.45 [2019-03-28 12:13:04,413 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.41/7.45 [2019-03-28 12:13:04,416 INFO L216 LassoAnalysis]: Preferences: 15.41/7.45 [2019-03-28 12:13:04,417 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.41/7.45 [2019-03-28 12:13:04,417 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.41/7.45 [2019-03-28 12:13:04,417 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.41/7.45 [2019-03-28 12:13:04,417 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.41/7.45 [2019-03-28 12:13:04,417 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.41/7.45 [2019-03-28 12:13:04,417 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.41/7.45 [2019-03-28 12:13:04,417 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.41/7.45 [2019-03-28 12:13:04,417 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 15.41/7.45 [2019-03-28 12:13:04,418 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.41/7.45 [2019-03-28 12:13:04,418 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.41/7.45 [2019-03-28 12:13:04,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.41/7.45 [2019-03-28 12:13:04,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.41/7.45 [2019-03-28 12:13:04,461 INFO L300 LassoAnalysis]: Preprocessing complete. 15.41/7.45 [2019-03-28 12:13:04,462 INFO L497 LassoAnalysis]: Using template 'affine'. 15.41/7.45 [2019-03-28 12:13:04,462 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.41/7.45 Termination analysis: LINEAR_WITH_GUESSES 15.41/7.45 Number of strict supporting invariants: 0 15.41/7.45 Number of non-strict supporting invariants: 1 15.41/7.45 Consider only non-deceasing supporting invariants: true 15.41/7.45 Simplify termination arguments: true 15.41/7.45 Simplify supporting invariants: trueOverapproximate stem: false 15.41/7.45 [2019-03-28 12:13:04,463 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.41/7.45 [2019-03-28 12:13:04,463 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.41/7.45 [2019-03-28 12:13:04,463 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.41/7.45 [2019-03-28 12:13:04,463 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.41/7.45 [2019-03-28 12:13:04,464 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.41/7.45 [2019-03-28 12:13:04,464 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.41/7.45 [2019-03-28 12:13:04,464 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.41/7.45 [2019-03-28 12:13:04,468 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.41/7.45 [2019-03-28 12:13:04,469 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.41/7.45 Termination analysis: LINEAR_WITH_GUESSES 15.41/7.45 Number of strict supporting invariants: 0 15.41/7.45 Number of non-strict supporting invariants: 1 15.41/7.45 Consider only non-deceasing supporting invariants: true 15.41/7.45 Simplify termination arguments: true 15.41/7.45 Simplify supporting invariants: trueOverapproximate stem: false 15.41/7.45 [2019-03-28 12:13:04,469 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.41/7.45 [2019-03-28 12:13:04,469 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.41/7.45 [2019-03-28 12:13:04,469 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.41/7.45 [2019-03-28 12:13:04,470 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.41/7.45 [2019-03-28 12:13:04,470 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.41/7.45 [2019-03-28 12:13:04,471 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.41/7.45 [2019-03-28 12:13:04,471 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.41/7.45 [2019-03-28 12:13:04,477 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.41/7.45 [2019-03-28 12:13:04,484 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 15.41/7.45 [2019-03-28 12:13:04,484 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 15.41/7.45 [2019-03-28 12:13:04,485 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.41/7.45 [2019-03-28 12:13:04,485 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.41/7.45 [2019-03-28 12:13:04,485 INFO L518 LassoAnalysis]: Proved termination. 15.41/7.45 [2019-03-28 12:13:04,485 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.41/7.45 Ranking function f(ULTIMATE.start_test_fun_~x, ULTIMATE.start_test_fun_~y) = 1*ULTIMATE.start_test_fun_~x - 1*ULTIMATE.start_test_fun_~y 15.41/7.45 Supporting invariants [] 15.41/7.45 [2019-03-28 12:13:04,486 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.41/7.45 [2019-03-28 12:13:04,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.41/7.45 [2019-03-28 12:13:04,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.41/7.45 [2019-03-28 12:13:04,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjunts are in the unsatisfiable core 15.41/7.45 [2019-03-28 12:13:04,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.41/7.45 [2019-03-28 12:13:04,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.41/7.45 [2019-03-28 12:13:04,519 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 15.41/7.45 [2019-03-28 12:13:04,519 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.41/7.45 [2019-03-28 12:13:04,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.41/7.45 [2019-03-28 12:13:04,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.41/7.45 [2019-03-28 12:13:04,551 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 15.41/7.45 [2019-03-28 12:13:04,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.41/7.45 [2019-03-28 12:13:04,552 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization 15.41/7.45 [2019-03-28 12:13:04,553 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 15.41/7.45 [2019-03-28 12:13:04,553 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 10 states and 15 transitions. cyclomatic complexity: 7 Second operand 4 states. 15.41/7.45 [2019-03-28 12:13:04,634 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 10 states and 15 transitions. cyclomatic complexity: 7. Second operand 4 states. Result 70 states and 110 transitions. Complement of second has 23 states. 15.41/7.45 [2019-03-28 12:13:04,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 2 non-accepting loop states 2 accepting loop states 15.41/7.45 [2019-03-28 12:13:04,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 15.41/7.45 [2019-03-28 12:13:04,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 22 transitions. 15.41/7.45 [2019-03-28 12:13:04,637 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 4 letters. Loop has 3 letters. 15.41/7.45 [2019-03-28 12:13:04,637 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.41/7.45 [2019-03-28 12:13:04,638 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 7 letters. Loop has 3 letters. 15.41/7.45 [2019-03-28 12:13:04,638 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.41/7.45 [2019-03-28 12:13:04,638 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 4 letters. Loop has 6 letters. 15.41/7.45 [2019-03-28 12:13:04,639 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.41/7.45 [2019-03-28 12:13:04,641 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 70 states and 110 transitions. 15.41/7.45 [2019-03-28 12:13:04,645 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 15.41/7.45 [2019-03-28 12:13:04,647 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 70 states to 27 states and 37 transitions. 15.41/7.45 [2019-03-28 12:13:04,647 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 15.41/7.45 [2019-03-28 12:13:04,647 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 15.41/7.45 [2019-03-28 12:13:04,647 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 37 transitions. 15.41/7.45 [2019-03-28 12:13:04,647 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.41/7.45 [2019-03-28 12:13:04,648 INFO L706 BuchiCegarLoop]: Abstraction has 27 states and 37 transitions. 15.41/7.45 [2019-03-28 12:13:04,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 37 transitions. 15.41/7.45 [2019-03-28 12:13:04,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 17. 15.41/7.45 [2019-03-28 12:13:04,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. 15.41/7.45 [2019-03-28 12:13:04,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 25 transitions. 15.41/7.45 [2019-03-28 12:13:04,650 INFO L729 BuchiCegarLoop]: Abstraction has 17 states and 25 transitions. 15.41/7.45 [2019-03-28 12:13:04,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. 15.41/7.45 [2019-03-28 12:13:04,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 15.41/7.45 [2019-03-28 12:13:04,654 INFO L87 Difference]: Start difference. First operand 17 states and 25 transitions. Second operand 4 states. 15.41/7.45 [2019-03-28 12:13:04,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 15.41/7.45 [2019-03-28 12:13:04,674 INFO L93 Difference]: Finished difference Result 23 states and 32 transitions. 15.41/7.45 [2019-03-28 12:13:04,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 15.41/7.45 [2019-03-28 12:13:04,676 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 32 transitions. 15.41/7.45 [2019-03-28 12:13:04,677 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 15.41/7.45 [2019-03-28 12:13:04,678 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 14 states and 17 transitions. 15.41/7.45 [2019-03-28 12:13:04,678 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 15.41/7.45 [2019-03-28 12:13:04,678 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 15.41/7.45 [2019-03-28 12:13:04,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. 15.41/7.45 [2019-03-28 12:13:04,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.41/7.45 [2019-03-28 12:13:04,679 INFO L706 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. 15.41/7.45 [2019-03-28 12:13:04,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. 15.41/7.45 [2019-03-28 12:13:04,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 11. 15.41/7.45 [2019-03-28 12:13:04,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. 15.41/7.45 [2019-03-28 12:13:04,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. 15.41/7.45 [2019-03-28 12:13:04,681 INFO L729 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. 15.41/7.45 [2019-03-28 12:13:04,681 INFO L609 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. 15.41/7.45 [2019-03-28 12:13:04,681 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 15.41/7.45 [2019-03-28 12:13:04,681 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. 15.41/7.45 [2019-03-28 12:13:04,681 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 15.41/7.45 [2019-03-28 12:13:04,682 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.41/7.45 [2019-03-28 12:13:04,682 INFO L119 BuchiIsEmpty]: Starting construction of run 15.41/7.45 [2019-03-28 12:13:04,682 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] 15.41/7.45 [2019-03-28 12:13:04,682 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 15.41/7.45 [2019-03-28 12:13:04,683 INFO L794 eck$LassoCheckResult]: Stem: 295#ULTIMATE.startENTRY [55] ULTIMATE.startENTRY-->L10-2: Formula: (and (= |v_ULTIMATE.start_test_fun_#in~x_2| |v_ULTIMATE.start_main_#t~nondet0_5|) (= |v_ULTIMATE.start_test_fun_#in~y_2| |v_ULTIMATE.start_main_#t~nondet1_5|) (< 0 v_ULTIMATE.start_test_fun_~x_12) (= v_ULTIMATE.start_test_fun_~y_7 |v_ULTIMATE.start_test_fun_#in~y_2|) (= |v_ULTIMATE.start_test_fun_#in~x_2| v_ULTIMATE.start_test_fun_~x_12) (< 0 v_ULTIMATE.start_test_fun_~y_7) (= v_ULTIMATE.start_test_fun_~c~0_7 0)) InVars {} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_7, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_5|, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_12, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_5|, ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_test_fun_#res=|v_ULTIMATE.start_test_fun_#res_8|, ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_7, ULTIMATE.start_test_fun_#in~y=|v_ULTIMATE.start_test_fun_#in~y_2|, ULTIMATE.start_test_fun_#in~x=|v_ULTIMATE.start_test_fun_#in~x_2|} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_test_fun_~x, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~ret2, ULTIMATE.start_main_#res, ULTIMATE.start_test_fun_#res, ULTIMATE.start_test_fun_~c~0, ULTIMATE.start_test_fun_#in~y, ULTIMATE.start_test_fun_#in~x] 296#L10-2 [50] L10-2-->L11: Formula: (> v_ULTIMATE.start_test_fun_~x_6 0) InVars {ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_6} OutVars{ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_6} AuxVars[] AssignedVars[] 302#L11 [33] L11-->L11-2: Formula: (and (< v_ULTIMATE.start_test_fun_~y_5 v_ULTIMATE.start_test_fun_~x_8) (= v_ULTIMATE.start_test_fun_~x_7 v_ULTIMATE.start_test_fun_~y_5)) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_5, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_8} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_5, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_7} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~x] 303#L11-2 [44] L11-2-->L10-2: Formula: (= v_ULTIMATE.start_test_fun_~c~0_3 (+ v_ULTIMATE.start_test_fun_~c~0_4 1)) InVars {ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_4} OutVars{ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_3} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~c~0] 305#L10-2 [51] L10-2-->L11: Formula: (< v_ULTIMATE.start_test_fun_~x_6 0) InVars {ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_6} OutVars{ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_6} AuxVars[] AssignedVars[] 297#L11 15.41/7.45 [2019-03-28 12:13:04,683 INFO L796 eck$LassoCheckResult]: Loop: 297#L11 [47] L11-->L11-2: Formula: (and (= v_ULTIMATE.start_test_fun_~x_9 (+ v_ULTIMATE.start_test_fun_~x_10 (- 1))) (>= v_ULTIMATE.start_test_fun_~y_6 v_ULTIMATE.start_test_fun_~x_10)) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_6, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_10} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_6, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_9} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~x] 298#L11-2 [44] L11-2-->L10-2: Formula: (= v_ULTIMATE.start_test_fun_~c~0_3 (+ v_ULTIMATE.start_test_fun_~c~0_4 1)) InVars {ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_4} OutVars{ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_3} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~c~0] 301#L10-2 [51] L10-2-->L11: Formula: (< v_ULTIMATE.start_test_fun_~x_6 0) InVars {ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_6} OutVars{ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_6} AuxVars[] AssignedVars[] 297#L11 15.41/7.45 [2019-03-28 12:13:04,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.41/7.45 [2019-03-28 12:13:04,683 INFO L82 PathProgramCache]: Analyzing trace with hash 80945484, now seen corresponding path program 1 times 15.41/7.45 [2019-03-28 12:13:04,683 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.41/7.45 [2019-03-28 12:13:04,684 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.41/7.45 [2019-03-28 12:13:04,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/7.45 [2019-03-28 12:13:04,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.41/7.45 [2019-03-28 12:13:04,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/7.45 [2019-03-28 12:13:04,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.41/7.45 [2019-03-28 12:13:04,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.41/7.45 [2019-03-28 12:13:04,707 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. 15.41/7.45 [2019-03-28 12:13:04,707 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP 15.41/7.45 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.41/7.45 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) 15.41/7.45 Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 15.41/7.45 [2019-03-28 12:13:04,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.41/7.45 [2019-03-28 12:13:04,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.41/7.45 [2019-03-28 12:13:04,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjunts are in the unsatisfiable core 15.41/7.45 [2019-03-28 12:13:04,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.41/7.45 [2019-03-28 12:13:04,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.41/7.45 [2019-03-28 12:13:04,757 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. 15.41/7.45 [2019-03-28 12:13:04,758 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2] total 2 15.41/7.45 [2019-03-28 12:13:04,758 INFO L799 eck$LassoCheckResult]: stem already infeasible 15.41/7.45 [2019-03-28 12:13:04,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.41/7.45 [2019-03-28 12:13:04,758 INFO L82 PathProgramCache]: Analyzing trace with hash 76373, now seen corresponding path program 1 times 15.41/7.45 [2019-03-28 12:13:04,759 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.41/7.45 [2019-03-28 12:13:04,759 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.41/7.45 [2019-03-28 12:13:04,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/7.45 [2019-03-28 12:13:04,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.41/7.45 [2019-03-28 12:13:04,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/7.45 [2019-03-28 12:13:04,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.41/7.45 [2019-03-28 12:13:04,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.41/7.45 [2019-03-28 12:13:04,782 INFO L216 LassoAnalysis]: Preferences: 15.41/7.45 [2019-03-28 12:13:04,783 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.41/7.45 [2019-03-28 12:13:04,783 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.41/7.45 [2019-03-28 12:13:04,783 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.41/7.45 [2019-03-28 12:13:04,783 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.41/7.45 [2019-03-28 12:13:04,783 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.41/7.45 [2019-03-28 12:13:04,783 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.41/7.45 [2019-03-28 12:13:04,784 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.41/7.45 [2019-03-28 12:13:04,784 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 15.41/7.45 [2019-03-28 12:13:04,784 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.41/7.45 [2019-03-28 12:13:04,784 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.41/7.45 [2019-03-28 12:13:04,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.41/7.45 [2019-03-28 12:13:04,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.41/7.45 [2019-03-28 12:13:04,827 INFO L300 LassoAnalysis]: Preprocessing complete. 15.41/7.45 [2019-03-28 12:13:04,827 INFO L412 LassoAnalysis]: Checking for nontermination... 15.41/7.45 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.41/7.45 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.41/7.45 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.41/7.45 [2019-03-28 12:13:04,832 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.41/7.45 [2019-03-28 12:13:04,832 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.41/7.45 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.41/7.45 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.41/7.45 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.41/7.45 [2019-03-28 12:13:04,864 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.41/7.45 [2019-03-28 12:13:04,864 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.41/7.45 [2019-03-28 12:13:04,880 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.41/7.45 [2019-03-28 12:13:04,881 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_fun_~c~0=0} Honda state: {ULTIMATE.start_test_fun_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_test_fun_~c~0=-4}, {ULTIMATE.start_test_fun_~c~0=7}, {ULTIMATE.start_test_fun_~c~0=-2}] Lambdas: [1, 1, 1] Nus: [0, 0] 15.41/7.45 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.41/7.45 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.41/7.45 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.41/7.45 [2019-03-28 12:13:04,909 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.41/7.45 [2019-03-28 12:13:04,909 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.41/7.45 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.41/7.45 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.41/7.45 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.41/7.45 [2019-03-28 12:13:04,942 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.41/7.45 [2019-03-28 12:13:04,942 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.41/7.45 [2019-03-28 12:13:04,968 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.41/7.45 [2019-03-28 12:13:04,968 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_fun_~y=-6, ULTIMATE.start_test_fun_~x=-6} Honda state: {ULTIMATE.start_test_fun_~y=-6, ULTIMATE.start_test_fun_~x=-6} Generalized eigenvectors: [{ULTIMATE.start_test_fun_~y=0, ULTIMATE.start_test_fun_~x=0}, {ULTIMATE.start_test_fun_~y=0, ULTIMATE.start_test_fun_~x=-1}, {ULTIMATE.start_test_fun_~y=0, ULTIMATE.start_test_fun_~x=0}] Lambdas: [0, 1, 0] Nus: [0, 0] 15.41/7.45 [2019-03-28 12:13:04,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. 15.41/7.45 [2019-03-28 12:13:04,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 15.41/7.45 [2019-03-28 12:13:04,993 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. cyclomatic complexity: 4 Second operand 4 states. 15.41/7.45 [2019-03-28 12:13:05,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 15.41/7.45 [2019-03-28 12:13:05,008 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. 15.41/7.45 [2019-03-28 12:13:05,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 15.41/7.45 [2019-03-28 12:13:05,010 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 11 transitions. 15.41/7.45 [2019-03-28 12:13:05,010 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.41/7.45 [2019-03-28 12:13:05,011 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. 15.41/7.45 [2019-03-28 12:13:05,011 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 15.41/7.45 [2019-03-28 12:13:05,011 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 15.41/7.45 [2019-03-28 12:13:05,011 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 15.41/7.45 [2019-03-28 12:13:05,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.41/7.45 [2019-03-28 12:13:05,012 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.41/7.45 [2019-03-28 12:13:05,012 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.41/7.45 [2019-03-28 12:13:05,012 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.41/7.45 [2019-03-28 12:13:05,012 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 15.41/7.45 [2019-03-28 12:13:05,012 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 15.41/7.45 [2019-03-28 12:13:05,012 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.41/7.45 [2019-03-28 12:13:05,012 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 15.41/7.45 [2019-03-28 12:13:05,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:13:05 BasicIcfg 15.41/7.45 [2019-03-28 12:13:05,018 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 15.41/7.45 [2019-03-28 12:13:05,019 INFO L168 Benchmark]: Toolchain (without parser) took 3005.28 ms. Allocated memory was 649.6 MB in the beginning and 671.1 MB in the end (delta: 21.5 MB). Free memory was 563.8 MB in the beginning and 408.8 MB in the end (delta: 155.0 MB). Peak memory consumption was 176.5 MB. Max. memory is 50.3 GB. 15.41/7.45 [2019-03-28 12:13:05,021 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.41/7.45 [2019-03-28 12:13:05,021 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.33 ms. Allocated memory is still 649.6 MB. Free memory was 563.8 MB in the beginning and 554.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 15.41/7.45 [2019-03-28 12:13:05,022 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.99 ms. Allocated memory was 649.6 MB in the beginning and 671.1 MB in the end (delta: 21.5 MB). Free memory was 554.3 MB in the beginning and 637.4 MB in the end (delta: -83.1 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 15.41/7.45 [2019-03-28 12:13:05,022 INFO L168 Benchmark]: Boogie Preprocessor took 19.79 ms. Allocated memory is still 671.1 MB. Free memory was 637.4 MB in the beginning and 635.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 15.41/7.45 [2019-03-28 12:13:05,023 INFO L168 Benchmark]: RCFGBuilder took 205.36 ms. Allocated memory is still 671.1 MB. Free memory was 635.6 MB in the beginning and 620.2 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 50.3 GB. 15.41/7.45 [2019-03-28 12:13:05,024 INFO L168 Benchmark]: BlockEncodingV2 took 80.19 ms. Allocated memory is still 671.1 MB. Free memory was 620.2 MB in the beginning and 614.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 15.41/7.45 [2019-03-28 12:13:05,024 INFO L168 Benchmark]: TraceAbstraction took 157.89 ms. Allocated memory is still 671.1 MB. Free memory was 613.5 MB in the beginning and 605.4 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 15.41/7.45 [2019-03-28 12:13:05,025 INFO L168 Benchmark]: BuchiAutomizer took 2220.52 ms. Allocated memory is still 671.1 MB. Free memory was 605.4 MB in the beginning and 408.8 MB in the end (delta: 196.6 MB). Peak memory consumption was 196.6 MB. Max. memory is 50.3 GB. 15.41/7.45 [2019-03-28 12:13:05,029 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 15.41/7.45 --- Results --- 15.41/7.45 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 15.41/7.45 - StatisticsResult: Initial Icfg 15.41/7.45 10 locations, 13 edges 15.41/7.45 - StatisticsResult: Encoded RCFG 15.41/7.45 4 locations, 6 edges 15.41/7.45 * Results from de.uni_freiburg.informatik.ultimate.core: 15.41/7.45 - StatisticsResult: Toolchain Benchmarks 15.41/7.45 Benchmark results are: 15.41/7.45 * CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.41/7.45 * CACSL2BoogieTranslator took 225.33 ms. Allocated memory is still 649.6 MB. Free memory was 563.8 MB in the beginning and 554.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 15.41/7.45 * Boogie Procedure Inliner took 90.99 ms. Allocated memory was 649.6 MB in the beginning and 671.1 MB in the end (delta: 21.5 MB). Free memory was 554.3 MB in the beginning and 637.4 MB in the end (delta: -83.1 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 15.41/7.45 * Boogie Preprocessor took 19.79 ms. Allocated memory is still 671.1 MB. Free memory was 637.4 MB in the beginning and 635.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 15.41/7.45 * RCFGBuilder took 205.36 ms. Allocated memory is still 671.1 MB. Free memory was 635.6 MB in the beginning and 620.2 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 50.3 GB. 15.41/7.45 * BlockEncodingV2 took 80.19 ms. Allocated memory is still 671.1 MB. Free memory was 620.2 MB in the beginning and 614.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 15.41/7.45 * TraceAbstraction took 157.89 ms. Allocated memory is still 671.1 MB. Free memory was 613.5 MB in the beginning and 605.4 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 15.41/7.45 * BuchiAutomizer took 2220.52 ms. Allocated memory is still 671.1 MB. Free memory was 605.4 MB in the beginning and 408.8 MB in the end (delta: 196.6 MB). Peak memory consumption was 196.6 MB. Max. memory is 50.3 GB. 15.41/7.45 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 15.41/7.45 - AllSpecificationsHoldResult: All specifications hold 15.41/7.45 We were not able to verify any specifiation because the program does not contain any specification. 15.41/7.45 - InvariantResult [Line: 10]: Loop Invariant 15.41/7.45 Derived loop invariant: 1 15.41/7.45 - StatisticsResult: Ultimate Automizer benchmark data 15.41/7.45 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, 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 15.41/7.45 - StatisticsResult: Constructed decomposition of program 15.41/7.45 Your program was decomposed into 4 terminating modules (2 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function x and consists of 7 locations. One nondeterministic module has affine ranking function x + -1 * y and consists of 6 locations. 2 modules have a trivial ranking function, the largest among these consists of 4 locations. 15.41/7.45 - StatisticsResult: Timing statistics 15.41/7.45 BüchiAutomizer plugin needed 2.1s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 18 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 11 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 14 SDtfs, 30 SDslu, 14 SDs, 0 SdLazy, 70 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN1 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax100 hnf100 lsp69 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq138 hnf93 smp100 dnf100 smp100 tf113 neg100 sie122 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 28ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 3 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.6s 15.41/7.45 - TerminationAnalysisResult: Termination proven 15.41/7.45 Buchi Automizer proved that your program is terminating 15.41/7.45 RESULT: Ultimate proved your program to be correct! 15.41/7.45 !SESSION 2019-03-28 12:12:58.642 ----------------------------------------------- 15.41/7.45 eclipse.buildId=unknown 15.41/7.45 java.version=1.8.0_181 15.41/7.45 java.vendor=Oracle Corporation 15.41/7.45 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 15.41/7.45 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 15.41/7.45 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 15.41/7.45 15.41/7.45 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:13:05.267 15.41/7.45 !MESSAGE The workspace will exit with unsaved changes in this session. 15.41/7.45 Received shutdown request... 15.41/7.45 Ultimate: 15.41/7.45 GTK+ Version Check 15.41/7.45 EOF