/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe-MCR.epf -i ../../../trunk/examples/concurrent/bpl/mcr/example_6.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d9e330d [2020-02-11 01:19:22,008 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-02-11 01:19:22,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-02-11 01:19:22,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-02-11 01:19:22,029 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-02-11 01:19:22,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-02-11 01:19:22,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-02-11 01:19:22,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-02-11 01:19:22,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-02-11 01:19:22,051 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-02-11 01:19:22,053 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-02-11 01:19:22,055 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-02-11 01:19:22,055 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-02-11 01:19:22,057 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-02-11 01:19:22,059 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-02-11 01:19:22,060 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-02-11 01:19:22,061 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-02-11 01:19:22,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-02-11 01:19:22,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-02-11 01:19:22,064 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-02-11 01:19:22,066 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-02-11 01:19:22,066 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-02-11 01:19:22,067 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-02-11 01:19:22,068 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-02-11 01:19:22,070 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-02-11 01:19:22,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-02-11 01:19:22,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-02-11 01:19:22,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-02-11 01:19:22,079 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe-MCR.epf [2020-02-11 01:19:22,092 INFO L113 SettingsManager]: Loading preferences was successful [2020-02-11 01:19:22,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-02-11 01:19:22,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-02-11 01:19:22,094 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-02-11 01:19:22,094 INFO L138 SettingsManager]: * Use SBE=true [2020-02-11 01:19:22,094 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-02-11 01:19:22,095 INFO L138 SettingsManager]: * sizeof long=4 [2020-02-11 01:19:22,095 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-02-11 01:19:22,095 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-02-11 01:19:22,095 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-02-11 01:19:22,095 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-02-11 01:19:22,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-02-11 01:19:22,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-02-11 01:19:22,096 INFO L138 SettingsManager]: * sizeof long double=12 [2020-02-11 01:19:22,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-02-11 01:19:22,096 INFO L138 SettingsManager]: * Use constant arrays=true [2020-02-11 01:19:22,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-02-11 01:19:22,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-02-11 01:19:22,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-02-11 01:19:22,097 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-02-11 01:19:22,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-02-11 01:19:22,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-02-11 01:19:22,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-02-11 01:19:22,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-02-11 01:19:22,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-02-11 01:19:22,098 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-02-11 01:19:22,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-02-11 01:19:22,099 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-02-11 01:19:22,099 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-02-11 01:19:22,099 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-02-11 01:19:22,099 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-02-11 01:19:22,099 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-02-11 01:19:22,357 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-02-11 01:19:22,376 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-02-11 01:19:22,379 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-02-11 01:19:22,381 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-02-11 01:19:22,382 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-02-11 01:19:22,383 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_6.bpl [2020-02-11 01:19:22,383 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_6.bpl' [2020-02-11 01:19:22,420 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-02-11 01:19:22,423 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-02-11 01:19:22,424 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-02-11 01:19:22,424 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-02-11 01:19:22,424 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-02-11 01:19:22,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:19:22" (1/1) ... [2020-02-11 01:19:22,449 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:19:22" (1/1) ... [2020-02-11 01:19:22,458 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-02-11 01:19:22,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-02-11 01:19:22,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-02-11 01:19:22,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-02-11 01:19:22,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:19:22" (1/1) ... [2020-02-11 01:19:22,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:19:22" (1/1) ... [2020-02-11 01:19:22,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:19:22" (1/1) ... [2020-02-11 01:19:22,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:19:22" (1/1) ... [2020-02-11 01:19:22,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:19:22" (1/1) ... [2020-02-11 01:19:22,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:19:22" (1/1) ... [2020-02-11 01:19:22,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:19:22" (1/1) ... [2020-02-11 01:19:22,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-02-11 01:19:22,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-02-11 01:19:22,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-02-11 01:19:22,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-02-11 01:19:22,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:19:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-02-11 01:19:22,557 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2020-02-11 01:19:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2020-02-11 01:19:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2020-02-11 01:19:22,558 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2020-02-11 01:19:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2020-02-11 01:19:22,558 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2020-02-11 01:19:22,558 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2020-02-11 01:19:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2020-02-11 01:19:22,559 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2020-02-11 01:19:22,559 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2020-02-11 01:19:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2020-02-11 01:19:22,559 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2020-02-11 01:19:22,560 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2020-02-11 01:19:22,560 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2020-02-11 01:19:22,560 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2020-02-11 01:19:22,560 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-02-11 01:19:22,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-02-11 01:19:22,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-02-11 01:19:22,562 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2020-02-11 01:19:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2020-02-11 01:19:22,562 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2020-02-11 01:19:22,564 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-02-11 01:19:22,752 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-02-11 01:19:22,753 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-02-11 01:19:22,757 INFO L202 PluginConnector]: Adding new model example_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 01:19:22 BoogieIcfgContainer [2020-02-11 01:19:22,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-02-11 01:19:22,758 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-02-11 01:19:22,758 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-02-11 01:19:22,762 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-02-11 01:19:22,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:19:22" (1/2) ... [2020-02-11 01:19:22,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40d85657 and model type example_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 01:19:22, skipping insertion in model container [2020-02-11 01:19:22,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 01:19:22" (2/2) ... [2020-02-11 01:19:22,765 INFO L109 eAbstractionObserver]: Analyzing ICFG example_6.bpl [2020-02-11 01:19:22,775 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-02-11 01:19:22,782 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-02-11 01:19:22,783 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-02-11 01:19:23,002 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-02-11 01:19:23,022 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-02-11 01:19:23,022 INFO L376 AbstractCegarLoop]: Hoare is false [2020-02-11 01:19:23,022 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-02-11 01:19:23,022 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-02-11 01:19:23,023 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-02-11 01:19:23,023 INFO L380 AbstractCegarLoop]: Difference is false [2020-02-11 01:19:23,023 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-02-11 01:19:23,023 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-02-11 01:19:23,036 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 52 places, 63 transitions [2020-02-11 01:19:23,186 INFO L129 PetriNetUnfolder]: 129/213 cut-off events. [2020-02-11 01:19:23,186 INFO L130 PetriNetUnfolder]: For 192/192 co-relation queries the response was YES. [2020-02-11 01:19:23,197 INFO L76 FinitePrefix]: Finished finitePrefix Result has 424 conditions, 213 events. 129/213 cut-off events. For 192/192 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 773 event pairs. 0/212 useless extension candidates. Maximal degree in co-relation 187. Up to 60 conditions per place. [2020-02-11 01:19:23,198 INFO L82 GeneralOperation]: Start removeDead. Operand has 52 places, 63 transitions [2020-02-11 01:19:23,209 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 44 places, 55 transitions [2020-02-11 01:19:23,260 INFO L129 PetriNetUnfolder]: 129/210 cut-off events. [2020-02-11 01:19:23,261 INFO L130 PetriNetUnfolder]: For 192/192 co-relation queries the response was YES. [2020-02-11 01:19:23,261 INFO L219 CegarLoopForPetriNet]: Found error trace [2020-02-11 01:19:23,262 INFO L227 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-02-11 01:19:23,262 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2020-02-11 01:19:23,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-02-11 01:19:23,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1881302245, now seen corresponding path program 1 times [2020-02-11 01:19:23,279 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-02-11 01:19:23,279 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934947793] [2020-02-11 01:19:23,279 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-02-11 01:19:23,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-02-11 01:19:23,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-02-11 01:19:23,445 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934947793] [2020-02-11 01:19:23,446 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-02-11 01:19:23,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-02-11 01:19:23,447 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [140150141] [2020-02-11 01:19:23,448 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-02-11 01:19:23,461 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-02-11 01:19:23,705 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 1458 states and 5833 transitions. [2020-02-11 01:19:23,706 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-02-11 01:19:23,734 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2020-02-11 01:19:23,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-02-11 01:19:23,735 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-02-11 01:19:23,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-02-11 01:19:23,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-02-11 01:19:23,759 INFO L413 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 63 [2020-02-11 01:19:23,760 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 55 transitions. Second operand 3 states. [2020-02-11 01:19:23,761 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-02-11 01:19:23,761 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 63 [2020-02-11 01:19:23,763 INFO L68 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-02-11 01:19:23,864 INFO L129 PetriNetUnfolder]: 124/205 cut-off events. [2020-02-11 01:19:23,864 INFO L130 PetriNetUnfolder]: For 252/252 co-relation queries the response was YES. [2020-02-11 01:19:23,870 INFO L76 FinitePrefix]: Finished finitePrefix Result has 443 conditions, 205 events. 124/205 cut-off events. For 252/252 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 690 event pairs. 1/206 useless extension candidates. Maximal degree in co-relation 193. Up to 60 conditions per place. [2020-02-11 01:19:23,880 INFO L145 encePairwiseOnDemand]: 61/63 looper letters, 5 selfloop transitions, 1 changer transitions 0/54 dead transitions. [2020-02-11 01:19:23,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-02-11 01:19:23,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-02-11 01:19:23,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 175 transitions. [2020-02-11 01:19:23,888 INFO L464 CegarLoopForPetriNet]: DFA transition density 0.9259259259259259 [2020-02-11 01:19:23,889 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 175 transitions. [2020-02-11 01:19:23,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 175 transitions. [2020-02-11 01:19:23,891 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-02-11 01:19:23,894 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 175 transitions. [2020-02-11 01:19:23,900 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-02-11 01:19:23,905 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-02-11 01:19:23,905 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-02-11 01:19:23,908 INFO L178 Difference]: Start difference. First operand has 44 places, 55 transitions. Second operand 3 states and 175 transitions. [2020-02-11 01:19:23,912 INFO L206 Difference]: Finished difference. Result has 46 places, 54 transitions [2020-02-11 01:19:23,915 INFO L292 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=233, PETRI_PLACES=46, PETRI_TRANSITIONS=54} [2020-02-11 01:19:23,916 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 46 places, 54 transitions [2020-02-11 01:19:23,968 INFO L129 PetriNetUnfolder]: 124/205 cut-off events. [2020-02-11 01:19:23,968 INFO L130 PetriNetUnfolder]: For 187/187 co-relation queries the response was YES. [2020-02-11 01:19:23,970 INFO L76 FinitePrefix]: Finished finitePrefix Result has 412 conditions, 205 events. 124/205 cut-off events. For 187/187 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 650 event pairs. 0/205 useless extension candidates. Maximal degree in co-relation 397. Up to 60 conditions per place. [2020-02-11 01:19:23,971 INFO L82 GeneralOperation]: Start removeDead. Operand has 46 places, 54 transitions [2020-02-11 01:19:23,976 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 46 places, 54 transitions [2020-02-11 01:19:23,978 INFO L479 AbstractCegarLoop]: Abstraction has has 46 places, 54 transitions [2020-02-11 01:19:23,978 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-02-11 01:19:24,005 INFO L129 PetriNetUnfolder]: 124/204 cut-off events. [2020-02-11 01:19:24,005 INFO L130 PetriNetUnfolder]: For 187/187 co-relation queries the response was YES. [2020-02-11 01:19:24,005 INFO L219 CegarLoopForPetriNet]: Found error trace [2020-02-11 01:19:24,005 INFO L227 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-02-11 01:19:24,006 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2020-02-11 01:19:24,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-02-11 01:19:24,006 INFO L82 PathProgramCache]: Analyzing trace with hash -2070443331, now seen corresponding path program 1 times [2020-02-11 01:19:24,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-02-11 01:19:24,007 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51941572] [2020-02-11 01:19:24,007 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-02-11 01:19:24,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-02-11 01:19:24,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-02-11 01:19:24,062 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51941572] [2020-02-11 01:19:24,062 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-02-11 01:19:24,062 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-02-11 01:19:24,063 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1326032478] [2020-02-11 01:19:24,063 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-02-11 01:19:24,065 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-02-11 01:19:24,164 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 1458 states and 5833 transitions. [2020-02-11 01:19:24,164 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-02-11 01:19:24,182 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 2 times. [2020-02-11 01:19:24,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-02-11 01:19:24,193 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-02-11 01:19:24,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-02-11 01:19:24,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-02-11 01:19:24,196 INFO L413 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 63 [2020-02-11 01:19:24,197 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 54 transitions. Second operand 3 states. [2020-02-11 01:19:24,197 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-02-11 01:19:24,197 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 63 [2020-02-11 01:19:24,197 INFO L68 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-02-11 01:19:24,257 INFO L129 PetriNetUnfolder]: 100/175 cut-off events. [2020-02-11 01:19:24,257 INFO L130 PetriNetUnfolder]: For 225/225 co-relation queries the response was YES. [2020-02-11 01:19:24,259 INFO L76 FinitePrefix]: Finished finitePrefix Result has 380 conditions, 175 events. 100/175 cut-off events. For 225/225 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 579 event pairs. 5/180 useless extension candidates. Maximal degree in co-relation 364. Up to 60 conditions per place. [2020-02-11 01:19:24,262 INFO L145 encePairwiseOnDemand]: 60/63 looper letters, 4 selfloop transitions, 1 changer transitions 0/52 dead transitions. [2020-02-11 01:19:24,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-02-11 01:19:24,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-02-11 01:19:24,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 175 transitions. [2020-02-11 01:19:24,265 INFO L464 CegarLoopForPetriNet]: DFA transition density 0.9259259259259259 [2020-02-11 01:19:24,265 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 175 transitions. [2020-02-11 01:19:24,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 175 transitions. [2020-02-11 01:19:24,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-02-11 01:19:24,265 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 175 transitions. [2020-02-11 01:19:24,266 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-02-11 01:19:24,267 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-02-11 01:19:24,267 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-02-11 01:19:24,267 INFO L178 Difference]: Start difference. First operand has 46 places, 54 transitions. Second operand 3 states and 175 transitions. [2020-02-11 01:19:24,268 INFO L206 Difference]: Finished difference. Result has 48 places, 52 transitions [2020-02-11 01:19:24,268 INFO L292 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=233, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=225, PETRI_PLACES=48, PETRI_TRANSITIONS=52} [2020-02-11 01:19:24,269 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 48 places, 52 transitions [2020-02-11 01:19:24,289 INFO L129 PetriNetUnfolder]: 100/175 cut-off events. [2020-02-11 01:19:24,289 INFO L130 PetriNetUnfolder]: For 158/158 co-relation queries the response was YES. [2020-02-11 01:19:24,291 INFO L76 FinitePrefix]: Finished finitePrefix Result has 354 conditions, 175 events. 100/175 cut-off events. For 158/158 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 555 event pairs. 0/175 useless extension candidates. Maximal degree in co-relation 338. Up to 60 conditions per place. [2020-02-11 01:19:24,291 INFO L82 GeneralOperation]: Start removeDead. Operand has 48 places, 52 transitions [2020-02-11 01:19:24,294 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 48 places, 52 transitions [2020-02-11 01:19:24,295 INFO L479 AbstractCegarLoop]: Abstraction has has 48 places, 52 transitions [2020-02-11 01:19:24,295 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-02-11 01:19:24,319 INFO L129 PetriNetUnfolder]: 100/174 cut-off events. [2020-02-11 01:19:24,320 INFO L130 PetriNetUnfolder]: For 158/158 co-relation queries the response was YES. [2020-02-11 01:19:24,320 INFO L219 CegarLoopForPetriNet]: Found error trace [2020-02-11 01:19:24,320 INFO L227 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-02-11 01:19:24,321 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2020-02-11 01:19:24,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-02-11 01:19:24,321 INFO L82 PathProgramCache]: Analyzing trace with hash -405537765, now seen corresponding path program 1 times [2020-02-11 01:19:24,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-02-11 01:19:24,322 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510783466] [2020-02-11 01:19:24,322 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-02-11 01:19:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-02-11 01:19:24,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-02-11 01:19:24,357 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510783466] [2020-02-11 01:19:24,357 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-02-11 01:19:24,357 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-02-11 01:19:24,357 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2017681332] [2020-02-11 01:19:24,358 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-02-11 01:19:24,360 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-02-11 01:19:24,487 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 1458 states and 5833 transitions. [2020-02-11 01:19:24,487 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-02-11 01:19:24,496 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2020-02-11 01:19:24,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-02-11 01:19:24,497 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-02-11 01:19:24,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-02-11 01:19:24,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-02-11 01:19:24,498 INFO L413 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 63 [2020-02-11 01:19:24,498 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 52 transitions. Second operand 3 states. [2020-02-11 01:19:24,498 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-02-11 01:19:24,498 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 63 [2020-02-11 01:19:24,498 INFO L68 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-02-11 01:19:24,524 INFO L129 PetriNetUnfolder]: 35/85 cut-off events. [2020-02-11 01:19:24,525 INFO L130 PetriNetUnfolder]: For 141/141 co-relation queries the response was YES. [2020-02-11 01:19:24,526 INFO L76 FinitePrefix]: Finished finitePrefix Result has 182 conditions, 85 events. 35/85 cut-off events. For 141/141 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 235 event pairs. 20/105 useless extension candidates. Maximal degree in co-relation 165. Up to 20 conditions per place. [2020-02-11 01:19:24,528 INFO L145 encePairwiseOnDemand]: 58/63 looper letters, 2 selfloop transitions, 1 changer transitions 0/48 dead transitions. [2020-02-11 01:19:24,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-02-11 01:19:24,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-02-11 01:19:24,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 175 transitions. [2020-02-11 01:19:24,529 INFO L464 CegarLoopForPetriNet]: DFA transition density 0.9259259259259259 [2020-02-11 01:19:24,530 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 175 transitions. [2020-02-11 01:19:24,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 175 transitions. [2020-02-11 01:19:24,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-02-11 01:19:24,531 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 175 transitions. [2020-02-11 01:19:24,531 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-02-11 01:19:24,532 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-02-11 01:19:24,532 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-02-11 01:19:24,532 INFO L178 Difference]: Start difference. First operand has 48 places, 52 transitions. Second operand 3 states and 175 transitions. [2020-02-11 01:19:24,533 INFO L206 Difference]: Finished difference. Result has 50 places, 48 transitions [2020-02-11 01:19:24,533 INFO L292 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=225, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=207, PETRI_PLACES=50, PETRI_TRANSITIONS=48} [2020-02-11 01:19:24,534 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 50 places, 48 transitions [2020-02-11 01:19:24,543 INFO L129 PetriNetUnfolder]: 35/85 cut-off events. [2020-02-11 01:19:24,544 INFO L130 PetriNetUnfolder]: For 69/69 co-relation queries the response was YES. [2020-02-11 01:19:24,544 INFO L76 FinitePrefix]: Finished finitePrefix Result has 176 conditions, 85 events. 35/85 cut-off events. For 69/69 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 226 event pairs. 0/85 useless extension candidates. Maximal degree in co-relation 159. Up to 20 conditions per place. [2020-02-11 01:19:24,545 INFO L82 GeneralOperation]: Start removeDead. Operand has 50 places, 48 transitions [2020-02-11 01:19:24,546 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 50 places, 48 transitions [2020-02-11 01:19:24,547 INFO L479 AbstractCegarLoop]: Abstraction has has 50 places, 48 transitions [2020-02-11 01:19:24,547 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-02-11 01:19:24,556 INFO L129 PetriNetUnfolder]: 35/84 cut-off events. [2020-02-11 01:19:24,557 INFO L130 PetriNetUnfolder]: For 69/69 co-relation queries the response was YES. [2020-02-11 01:19:24,557 INFO L219 CegarLoopForPetriNet]: Found error trace [2020-02-11 01:19:24,557 INFO L227 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-02-11 01:19:24,557 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2020-02-11 01:19:24,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-02-11 01:19:24,558 INFO L82 PathProgramCache]: Analyzing trace with hash -2118512583, now seen corresponding path program 1 times [2020-02-11 01:19:24,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-02-11 01:19:24,559 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045147505] [2020-02-11 01:19:24,559 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-02-11 01:19:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-02-11 01:19:24,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-02-11 01:19:24,594 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045147505] [2020-02-11 01:19:24,594 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-02-11 01:19:24,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-02-11 01:19:24,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1128221806] [2020-02-11 01:19:24,595 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-02-11 01:19:24,597 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-02-11 01:19:24,688 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 1458 states and 5833 transitions. [2020-02-11 01:19:24,688 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-02-11 01:19:24,701 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 4 times. [2020-02-11 01:19:24,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-02-11 01:19:24,702 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-02-11 01:19:24,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-02-11 01:19:24,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-02-11 01:19:24,703 INFO L413 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 63 [2020-02-11 01:19:24,703 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 48 transitions. Second operand 3 states. [2020-02-11 01:19:24,704 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-02-11 01:19:24,704 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 63 [2020-02-11 01:19:24,704 INFO L68 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-02-11 01:19:24,722 INFO L129 PetriNetUnfolder]: 6/37 cut-off events. [2020-02-11 01:19:24,722 INFO L130 PetriNetUnfolder]: For 57/57 co-relation queries the response was YES. [2020-02-11 01:19:24,722 INFO L76 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 37 events. 6/37 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 72 event pairs. 11/48 useless extension candidates. Maximal degree in co-relation 65. Up to 6 conditions per place. [2020-02-11 01:19:24,724 INFO L145 encePairwiseOnDemand]: 57/63 looper letters, 1 selfloop transitions, 1 changer transitions 0/34 dead transitions. [2020-02-11 01:19:24,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-02-11 01:19:24,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-02-11 01:19:24,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 175 transitions. [2020-02-11 01:19:24,725 INFO L464 CegarLoopForPetriNet]: DFA transition density 0.9259259259259259 [2020-02-11 01:19:24,725 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 175 transitions. [2020-02-11 01:19:24,726 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 175 transitions. [2020-02-11 01:19:24,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-02-11 01:19:24,726 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 175 transitions. [2020-02-11 01:19:24,727 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-02-11 01:19:24,727 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-02-11 01:19:24,727 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-02-11 01:19:24,727 INFO L178 Difference]: Start difference. First operand has 50 places, 48 transitions. Second operand 3 states and 175 transitions. [2020-02-11 01:19:24,728 INFO L206 Difference]: Finished difference. Result has 52 places, 34 transitions [2020-02-11 01:19:24,728 INFO L292 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=207, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=139, PETRI_PLACES=52, PETRI_TRANSITIONS=34} [2020-02-11 01:19:24,729 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 52 places, 34 transitions [2020-02-11 01:19:24,734 INFO L129 PetriNetUnfolder]: 6/37 cut-off events. [2020-02-11 01:19:24,734 INFO L130 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2020-02-11 01:19:24,734 INFO L76 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 37 events. 6/37 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 66 event pairs. 0/37 useless extension candidates. Maximal degree in co-relation 64. Up to 6 conditions per place. [2020-02-11 01:19:24,735 INFO L82 GeneralOperation]: Start removeDead. Operand has 52 places, 34 transitions [2020-02-11 01:19:24,736 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 52 places, 34 transitions [2020-02-11 01:19:24,736 INFO L479 AbstractCegarLoop]: Abstraction has has 52 places, 34 transitions [2020-02-11 01:19:24,736 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-02-11 01:19:24,741 INFO L129 PetriNetUnfolder]: 6/36 cut-off events. [2020-02-11 01:19:24,741 INFO L130 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2020-02-11 01:19:24,742 INFO L219 CegarLoopForPetriNet]: Found error trace [2020-02-11 01:19:24,742 INFO L227 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-02-11 01:19:24,742 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2020-02-11 01:19:24,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-02-11 01:19:24,743 INFO L82 PathProgramCache]: Analyzing trace with hash -1018528613, now seen corresponding path program 1 times [2020-02-11 01:19:24,743 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-02-11 01:19:24,743 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090316202] [2020-02-11 01:19:24,743 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-02-11 01:19:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-02-11 01:19:24,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-02-11 01:19:24,781 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090316202] [2020-02-11 01:19:24,781 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-02-11 01:19:24,782 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-02-11 01:19:24,782 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [418301322] [2020-02-11 01:19:24,782 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-02-11 01:19:24,784 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-02-11 01:19:24,875 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 1458 states and 5833 transitions. [2020-02-11 01:19:24,876 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-02-11 01:19:24,884 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2020-02-11 01:19:24,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-02-11 01:19:24,885 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-02-11 01:19:24,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-02-11 01:19:24,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-02-11 01:19:24,886 INFO L413 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 63 [2020-02-11 01:19:24,886 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 34 transitions. Second operand 3 states. [2020-02-11 01:19:24,886 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-02-11 01:19:24,887 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 63 [2020-02-11 01:19:24,887 INFO L68 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-02-11 01:19:24,904 INFO L129 PetriNetUnfolder]: 0/25 cut-off events. [2020-02-11 01:19:24,904 INFO L130 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2020-02-11 01:19:24,904 INFO L76 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 25 events. 0/25 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 32 event pairs. 3/28 useless extension candidates. Maximal degree in co-relation 42. Up to 2 conditions per place. [2020-02-11 01:19:24,906 INFO L145 encePairwiseOnDemand]: 59/63 looper letters, 1 selfloop transitions, 1 changer transitions 0/25 dead transitions. [2020-02-11 01:19:24,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-02-11 01:19:24,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-02-11 01:19:24,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 173 transitions. [2020-02-11 01:19:24,907 INFO L464 CegarLoopForPetriNet]: DFA transition density 0.9153439153439153 [2020-02-11 01:19:24,908 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 173 transitions. [2020-02-11 01:19:24,908 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 173 transitions. [2020-02-11 01:19:24,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-02-11 01:19:24,908 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 173 transitions. [2020-02-11 01:19:24,909 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-02-11 01:19:24,909 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-02-11 01:19:24,909 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-02-11 01:19:24,910 INFO L178 Difference]: Start difference. First operand has 52 places, 34 transitions. Second operand 3 states and 173 transitions. [2020-02-11 01:19:24,910 INFO L206 Difference]: Finished difference. Result has 54 places, 25 transitions [2020-02-11 01:19:24,910 INFO L292 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=139, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=54, PETRI_TRANSITIONS=25} [2020-02-11 01:19:24,910 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 54 places, 25 transitions [2020-02-11 01:19:24,915 INFO L129 PetriNetUnfolder]: 0/25 cut-off events. [2020-02-11 01:19:24,915 INFO L130 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2020-02-11 01:19:24,916 INFO L76 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 25 events. 0/25 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 34 event pairs. 0/25 useless extension candidates. Maximal degree in co-relation 41. Up to 2 conditions per place. [2020-02-11 01:19:24,916 INFO L82 GeneralOperation]: Start removeDead. Operand has 54 places, 25 transitions [2020-02-11 01:19:24,917 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 54 places, 25 transitions [2020-02-11 01:19:24,917 INFO L479 AbstractCegarLoop]: Abstraction has has 54 places, 25 transitions [2020-02-11 01:19:24,917 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-02-11 01:19:24,921 INFO L129 PetriNetUnfolder]: 0/24 cut-off events. [2020-02-11 01:19:24,921 INFO L130 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2020-02-11 01:19:24,922 INFO L219 CegarLoopForPetriNet]: Found error trace [2020-02-11 01:19:24,922 INFO L227 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-02-11 01:19:24,922 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2020-02-11 01:19:24,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-02-11 01:19:24,923 INFO L82 PathProgramCache]: Analyzing trace with hash -1466452965, now seen corresponding path program 1 times [2020-02-11 01:19:24,923 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-02-11 01:19:24,923 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055807479] [2020-02-11 01:19:24,924 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-02-11 01:19:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-02-11 01:19:25,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-02-11 01:19:25,423 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055807479] [2020-02-11 01:19:25,423 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-02-11 01:19:25,423 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-02-11 01:19:25,424 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [592181360] [2020-02-11 01:19:25,424 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-02-11 01:19:25,426 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-02-11 01:19:25,516 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 1458 states and 5833 transitions. [2020-02-11 01:19:25,516 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-02-11 01:19:35,651 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 203 times. [2020-02-11 01:19:35,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 121 states [2020-02-11 01:19:35,652 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-02-11 01:19:35,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2020-02-11 01:19:35,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1245, Invalid=13275, Unknown=0, NotChecked=0, Total=14520 [2020-02-11 01:19:35,662 INFO L413 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 63 [2020-02-11 01:19:35,663 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 25 transitions. Second operand 121 states. [2020-02-11 01:19:35,663 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-02-11 01:19:35,664 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 63 [2020-02-11 01:19:35,664 INFO L68 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-02-11 01:19:56,453 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2020-02-11 01:19:58,866 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2020-02-11 01:19:59,847 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2020-02-11 01:20:01,735 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2020-02-11 01:20:02,627 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-02-11 01:20:03,693 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 39 [2020-02-11 01:20:04,594 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2020-02-11 01:20:05,460 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2020-02-11 01:20:06,787 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 39 [2020-02-11 01:20:08,764 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2020-02-11 01:20:09,212 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2020-02-11 01:20:10,014 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-02-11 01:20:10,235 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 35 [2020-02-11 01:20:10,460 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2020-02-11 01:20:11,123 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2020-02-11 01:20:11,339 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2020-02-11 01:20:11,605 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-02-11 01:20:12,116 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 39 [2020-02-11 01:20:12,331 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2020-02-11 01:20:13,342 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2020-02-11 01:20:13,748 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2020-02-11 01:20:15,033 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2020-02-11 01:20:15,808 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 42 [2020-02-11 01:20:16,048 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 [2020-02-11 01:20:16,294 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2020-02-11 01:20:16,943 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2020-02-11 01:20:17,184 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-02-11 01:20:17,488 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-02-11 01:20:17,790 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2020-02-11 01:20:18,042 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 42 [2020-02-11 01:20:18,294 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2020-02-11 01:20:18,910 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2020-02-11 01:20:19,389 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2020-02-11 01:20:19,846 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-02-11 01:20:20,068 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-02-11 01:20:21,261 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-02-11 01:20:21,685 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 40 [2020-02-11 01:20:22,327 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 42 [2020-02-11 01:20:22,607 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 38 [2020-02-11 01:20:22,878 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2020-02-11 01:20:23,134 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 [2020-02-11 01:20:23,399 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-02-11 01:20:23,650 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 [2020-02-11 01:20:24,307 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 45 [2020-02-11 01:20:24,573 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-02-11 01:20:24,832 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2020-02-11 01:20:25,238 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2020-02-11 01:20:25,650 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-02-11 01:20:25,932 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 44 [2020-02-11 01:20:26,188 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2020-02-11 01:20:26,667 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2020-02-11 01:20:26,950 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 39 [2020-02-11 01:20:27,222 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2020-02-11 01:20:27,479 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 39 [2020-02-11 01:20:27,805 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-02-11 01:20:28,040 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-02-11 01:20:28,444 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2020-02-11 01:20:28,868 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-02-11 01:20:29,128 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 44 [2020-02-11 01:20:29,373 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2020-02-11 01:20:29,592 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2020-02-11 01:20:29,830 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2020-02-11 01:20:31,494 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 42 [2020-02-11 01:20:31,967 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2020-02-11 01:20:32,205 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2020-02-11 01:20:32,459 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-02-11 01:20:32,696 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2020-02-11 01:20:33,348 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 34 [2020-02-11 01:20:34,516 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 41 [2020-02-11 01:20:34,780 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 40 [2020-02-11 01:20:35,005 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 38 [2020-02-11 01:20:35,350 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 45 [2020-02-11 01:20:35,605 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-02-11 01:20:35,913 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-02-11 01:20:36,140 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2020-02-11 01:20:36,446 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-02-11 01:20:36,800 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 46 [2020-02-11 01:20:37,111 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 45 [2020-02-11 01:20:37,442 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 44 [2020-02-11 01:20:37,669 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 38 [2020-02-11 01:20:38,092 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-02-11 01:20:38,361 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2020-02-11 01:20:38,739 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 44 [2020-02-11 01:20:39,043 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 43 [2020-02-11 01:20:39,355 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 43 [2020-02-11 01:20:39,600 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2020-02-11 01:20:39,804 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-02-11 01:20:40,419 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2020-02-11 01:20:41,263 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 43 [2020-02-11 01:20:41,524 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 41 [2020-02-11 01:20:41,885 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 48 [2020-02-11 01:20:42,238 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-02-11 01:20:42,606 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-02-11 01:20:42,862 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 42 [2020-02-11 01:20:43,123 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2020-02-11 01:20:43,480 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 49 [2020-02-11 01:20:43,868 WARN L192 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 48 [2020-02-11 01:20:44,294 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 47 [2020-02-11 01:20:44,537 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2020-02-11 01:20:44,902 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2020-02-11 01:20:45,167 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2020-02-11 01:20:45,418 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-02-11 01:20:45,735 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 47 [2020-02-11 01:20:46,071 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 46 [2020-02-11 01:20:46,447 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 46 [2020-02-11 01:20:46,697 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2020-02-11 01:20:46,947 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2020-02-11 01:20:47,196 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 40 [2020-02-11 01:20:47,642 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2020-02-11 01:20:47,850 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2020-02-11 01:20:48,679 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 46 [2020-02-11 01:20:48,988 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 44 [2020-02-11 01:20:49,261 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 42 [2020-02-11 01:20:49,526 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 42 [2020-02-11 01:20:49,788 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2020-02-11 01:20:50,069 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2020-02-11 01:20:50,433 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 48 [2020-02-11 01:20:50,831 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 47 [2020-02-11 01:20:51,212 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 47 [2020-02-11 01:20:51,482 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2020-02-11 01:20:51,867 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-02-11 01:20:52,137 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2020-02-11 01:20:52,527 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 48 [2020-02-11 01:20:52,794 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2020-02-11 01:20:53,077 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 42 [2020-02-11 01:20:53,334 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 42 [2020-02-11 01:20:53,648 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2020-02-11 01:20:53,927 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2020-02-11 01:20:54,349 WARN L192 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 47 [2020-02-11 01:20:54,627 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-02-11 01:20:54,877 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2020-02-11 01:20:55,127 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2020-02-11 01:20:55,406 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2020-02-11 01:20:55,785 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 49 [2020-02-11 01:20:56,173 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 48 [2020-02-11 01:20:56,541 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 46 [2020-02-11 01:20:56,804 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-02-11 01:20:57,064 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-02-11 01:20:57,321 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-02-11 01:20:57,591 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2020-02-11 01:20:57,845 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-02-11 01:20:58,300 WARN L192 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 48 [2020-02-11 01:20:58,556 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2020-02-11 01:20:58,834 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-02-11 01:20:59,107 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-02-11 01:20:59,370 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-02-11 01:20:59,626 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-02-11 01:20:59,862 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 40 [2020-02-11 01:21:00,133 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 42 [2020-02-11 01:21:00,358 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2020-02-11 01:21:00,601 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-02-11 01:21:00,844 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-02-11 01:21:01,107 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-02-11 01:21:01,354 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2020-02-11 01:21:01,604 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 42 [2020-02-11 01:21:01,855 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2020-02-11 01:21:02,114 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-02-11 01:21:02,353 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2020-02-11 01:21:02,584 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2020-02-11 01:21:02,995 WARN L192 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 46 [2020-02-11 01:21:03,396 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 48 [2020-02-11 01:21:03,787 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 47 [2020-02-11 01:21:04,356 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 28 [2020-02-11 01:21:04,576 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 32 [2020-02-11 01:21:04,791 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 34 [2020-02-11 01:21:05,107 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 41 [2020-02-11 01:21:05,392 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 41 [2020-02-11 01:21:05,629 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 37 [2020-02-11 01:21:05,868 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 39 [2020-02-11 01:21:06,120 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 39 [2020-02-11 01:21:06,387 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 38 [2020-02-11 01:21:06,736 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 46 [2020-02-11 01:21:07,083 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 46 [2020-02-11 01:21:07,452 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 45 [2020-02-11 01:21:07,788 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 45 [2020-02-11 01:21:08,141 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 44 [2020-02-11 01:21:08,458 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 44 [2020-02-11 01:21:08,774 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 44 [2020-02-11 01:21:09,108 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 44 [2020-02-11 01:21:09,431 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 44 [2020-02-11 01:21:09,772 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 43 [2020-02-11 01:21:10,096 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 44 [2020-02-11 01:21:10,405 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 42 [2020-02-11 01:21:10,717 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 43 [2020-02-11 01:21:11,012 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 41 [2020-02-11 01:21:11,296 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 41 [2020-02-11 01:21:11,600 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 44 [2020-02-11 01:21:11,910 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 44 [2020-02-11 01:21:12,130 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 40 [2020-02-11 01:21:12,403 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 42 [2020-02-11 01:21:12,687 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 42 [2020-02-11 01:21:13,169 WARN L192 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 49 [2020-02-11 01:21:13,609 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 49 [2020-02-11 01:21:14,023 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 48 [2020-02-11 01:21:14,430 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 48 [2020-02-11 01:21:14,803 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 47 [2020-02-11 01:21:15,169 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 47 [2020-02-11 01:21:15,594 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 47 [2020-02-11 01:21:15,991 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 47 [2020-02-11 01:21:16,401 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 47 [2020-02-11 01:21:16,818 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 46 [2020-02-11 01:21:17,230 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 47 [2020-02-11 01:21:17,608 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 45 [2020-02-11 01:21:17,986 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 46 [2020-02-11 01:21:18,338 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 44 [2020-02-11 01:21:18,698 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 44 [2020-02-11 01:21:19,077 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 47 [2020-02-11 01:21:19,460 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 47 [2020-02-11 01:21:19,758 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 43 [2020-02-11 01:21:20,098 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 45 [2020-02-11 01:21:20,444 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 45 [2020-02-11 01:21:20,828 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 48 [2020-02-11 01:21:21,236 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 48 [2020-02-11 01:21:21,617 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 48 [2020-02-11 01:21:22,030 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 48 [2020-02-11 01:21:22,422 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 49 [2020-02-11 01:21:22,847 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 49 [2020-02-11 01:21:23,270 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 49 [2020-02-11 01:21:23,703 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 48 [2020-02-11 01:21:24,178 WARN L192 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 48 [2020-02-11 01:21:24,620 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 47 [2020-02-11 01:21:25,054 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 47 [2020-02-11 01:21:25,486 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 48 [2020-02-11 01:21:25,941 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 48 [2020-02-11 01:21:26,372 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 48 [2020-02-11 01:21:26,740 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 49 [2020-02-11 01:21:27,125 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 49 [2020-02-11 01:21:27,471 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 47 [2020-02-11 01:21:27,845 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 47 [2020-02-11 01:21:28,231 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 47 [2020-02-11 01:21:28,623 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 46 [2020-02-11 01:21:29,028 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 49 [2020-02-11 01:21:29,490 WARN L192 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 46 [2020-02-11 01:21:29,922 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 48 [2020-02-11 01:21:30,318 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 49 [2020-02-11 01:21:30,769 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 49 [2020-02-11 01:21:31,180 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 47 [2020-02-11 01:21:31,577 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 47 [2020-02-11 01:21:32,008 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 49 [2020-02-11 01:21:32,418 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 48 [2020-02-11 01:21:32,815 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 46 [2020-02-11 01:21:33,213 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 48 [2020-02-11 01:21:33,580 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 46 [2020-02-11 01:21:33,924 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 44 [2020-02-11 01:21:34,328 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 47 [2020-02-11 01:21:34,797 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 46 [2020-02-11 01:21:35,223 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 47 [2020-02-11 01:21:35,610 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 47 [2020-02-11 01:21:36,011 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 49 [2020-02-11 01:21:36,427 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 49 [2020-02-11 01:21:36,830 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 47 [2020-02-11 01:21:37,224 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 48 [2020-02-11 01:21:37,667 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 48 [2020-02-11 01:21:38,057 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 47 [2020-02-11 01:21:38,430 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 45 [2020-02-11 01:21:40,454 INFO L129 PetriNetUnfolder]: 831/2224 cut-off events. [2020-02-11 01:21:40,454 INFO L130 PetriNetUnfolder]: For 1905/1905 co-relation queries the response was YES. [2020-02-11 01:21:40,467 INFO L76 FinitePrefix]: Finished finitePrefix Result has 4514 conditions, 2224 events. 831/2224 cut-off events. For 1905/1905 co-relation queries the response was YES. Maximal size of possible extension queue 345. Compared 20689 event pairs. 1/2225 useless extension candidates. Maximal degree in co-relation 4484. Up to 411 conditions per place. [2020-02-11 01:21:40,477 INFO L145 encePairwiseOnDemand]: 51/63 looper letters, 0 selfloop transitions, 0 changer transitions 1232/1232 dead transitions. [2020-02-11 01:21:40,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 443 states. [2020-02-11 01:21:40,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-02-11 01:21:40,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 10085 transitions. [2020-02-11 01:21:40,509 INFO L464 CegarLoopForPetriNet]: DFA transition density 0.3613529685764449 [2020-02-11 01:21:40,510 INFO L72 ComplementDD]: Start complementDD. Operand 443 states and 10085 transitions. [2020-02-11 01:21:40,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 443 states and 10085 transitions. [2020-02-11 01:21:40,516 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-02-11 01:21:40,517 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 443 states and 10085 transitions. [2020-02-11 01:21:40,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 444 states. [2020-02-11 01:21:40,564 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 444 states. [2020-02-11 01:21:40,564 INFO L81 ComplementDD]: Finished complementDD. Result 444 states. [2020-02-11 01:21:40,564 INFO L178 Difference]: Start difference. First operand has 54 places, 25 transitions. Second operand 443 states and 10085 transitions. [2020-02-11 01:21:40,565 INFO L206 Difference]: Finished difference. Result has 496 places, 0 transitions [2020-02-11 01:21:40,565 INFO L292 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=443, PETRI_FLOW=0, PETRI_PLACES=496, PETRI_TRANSITIONS=0} [2020-02-11 01:21:40,565 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 496 places, 0 transitions [2020-02-11 01:21:40,566 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2020-02-11 01:21:40,566 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-02-11 01:21:40,566 INFO L76 FinitePrefix]: Finished finitePrefix Result has 13 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2020-02-11 01:21:40,566 INFO L82 GeneralOperation]: Start removeDead. Operand has 496 places, 0 transitions [2020-02-11 01:21:40,566 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 0 places, 0 transitions [2020-02-11 01:21:40,566 INFO L479 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions [2020-02-11 01:21:40,567 INFO L480 AbstractCegarLoop]: Interpolant automaton has 121 states. [2020-02-11 01:21:40,567 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2020-02-11 01:21:40,567 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-02-11 01:21:40,572 INFO L202 PluginConnector]: Adding new model example_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.02 01:21:40 BasicIcfg [2020-02-11 01:21:40,573 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-02-11 01:21:40,574 INFO L168 Benchmark]: Toolchain (without parser) took 138153.13 ms. Allocated memory was 138.9 MB in the beginning and 1.0 GB in the end (delta: 890.8 MB). Free memory was 118.8 MB in the beginning and 851.4 MB in the end (delta: -732.6 MB). Peak memory consumption was 158.1 MB. Max. memory is 7.1 GB. [2020-02-11 01:21:40,574 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-02-11 01:21:40,575 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.90 ms. Allocated memory is still 138.9 MB. Free memory was 118.6 MB in the beginning and 116.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2020-02-11 01:21:40,575 INFO L168 Benchmark]: Boogie Preprocessor took 21.40 ms. Allocated memory is still 138.9 MB. Free memory was 116.8 MB in the beginning and 115.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2020-02-11 01:21:40,575 INFO L168 Benchmark]: RCFGBuilder took 276.55 ms. Allocated memory is still 138.9 MB. Free memory was 115.7 MB in the beginning and 103.4 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. [2020-02-11 01:21:40,576 INFO L168 Benchmark]: TraceAbstraction took 137814.52 ms. Allocated memory was 138.9 MB in the beginning and 1.0 GB in the end (delta: 890.8 MB). Free memory was 103.0 MB in the beginning and 851.4 MB in the end (delta: -748.5 MB). Peak memory consumption was 142.3 MB. Max. memory is 7.1 GB. [2020-02-11 01:21:40,577 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 34.90 ms. Allocated memory is still 138.9 MB. Free memory was 118.6 MB in the beginning and 116.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 21.40 ms. Allocated memory is still 138.9 MB. Free memory was 116.8 MB in the beginning and 115.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 276.55 ms. Allocated memory is still 138.9 MB. Free memory was 115.7 MB in the beginning and 103.4 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 137814.52 ms. Allocated memory was 138.9 MB in the beginning and 1.0 GB in the end (delta: 890.8 MB). Free memory was 103.0 MB in the beginning and 851.4 MB in the end (delta: -748.5 MB). Peak memory consumption was 142.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 25]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. Result: SAFE, OverallTime: 137.5s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 125.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 293 SDtfs, 834 SDslu, 11827 SDs, 0 SdLazy, 17639 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 688 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 555 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87004 ImplicationChecksByTransitivity, 115.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 496 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 14976 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...