/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_8.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d9e330d [2020-02-11 01:21:21,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-02-11 01:21:21,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-02-11 01:21:21,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-02-11 01:21:21,109 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-02-11 01:21:21,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-02-11 01:21:21,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-02-11 01:21:21,114 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-02-11 01:21:21,115 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-02-11 01:21:21,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-02-11 01:21:21,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-02-11 01:21:21,118 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-02-11 01:21:21,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-02-11 01:21:21,119 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-02-11 01:21:21,120 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-02-11 01:21:21,122 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-02-11 01:21:21,122 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-02-11 01:21:21,123 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-02-11 01:21:21,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-02-11 01:21:21,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-02-11 01:21:21,132 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-02-11 01:21:21,134 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-02-11 01:21:21,135 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-02-11 01:21:21,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-02-11 01:21:21,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-02-11 01:21:21,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-02-11 01:21:21,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-02-11 01:21:21,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-02-11 01:21:21,149 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 01:21:21,163 INFO L113 SettingsManager]: Loading preferences was successful [2020-02-11 01:21:21,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-02-11 01:21:21,166 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-02-11 01:21:21,167 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-02-11 01:21:21,167 INFO L138 SettingsManager]: * Use SBE=true [2020-02-11 01:21:21,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-02-11 01:21:21,167 INFO L138 SettingsManager]: * sizeof long=4 [2020-02-11 01:21:21,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-02-11 01:21:21,168 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-02-11 01:21:21,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-02-11 01:21:21,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-02-11 01:21:21,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-02-11 01:21:21,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-02-11 01:21:21,168 INFO L138 SettingsManager]: * sizeof long double=12 [2020-02-11 01:21:21,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-02-11 01:21:21,169 INFO L138 SettingsManager]: * Use constant arrays=true [2020-02-11 01:21:21,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-02-11 01:21:21,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-02-11 01:21:21,169 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-02-11 01:21:21,170 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-02-11 01:21:21,170 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-02-11 01:21:21,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-02-11 01:21:21,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-02-11 01:21:21,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-02-11 01:21:21,172 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-02-11 01:21:21,172 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-02-11 01:21:21,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-02-11 01:21:21,173 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-02-11 01:21:21,173 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-02-11 01:21:21,173 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-02-11 01:21:21,173 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-02-11 01:21:21,173 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-02-11 01:21:21,469 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-02-11 01:21:21,478 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-02-11 01:21:21,484 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-02-11 01:21:21,486 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-02-11 01:21:21,486 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-02-11 01:21:21,487 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_8.bpl [2020-02-11 01:21:21,488 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_8.bpl' [2020-02-11 01:21:21,532 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-02-11 01:21:21,537 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-02-11 01:21:21,538 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-02-11 01:21:21,538 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-02-11 01:21:21,538 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-02-11 01:21:21,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:21:21" (1/1) ... [2020-02-11 01:21:21,566 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:21:21" (1/1) ... [2020-02-11 01:21:21,576 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-02-11 01:21:21,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-02-11 01:21:21,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-02-11 01:21:21,578 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-02-11 01:21:21,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:21:21" (1/1) ... [2020-02-11 01:21:21,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:21:21" (1/1) ... [2020-02-11 01:21:21,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:21:21" (1/1) ... [2020-02-11 01:21:21,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:21:21" (1/1) ... [2020-02-11 01:21:21,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:21:21" (1/1) ... [2020-02-11 01:21:21,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:21:21" (1/1) ... [2020-02-11 01:21:21,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:21:21" (1/1) ... [2020-02-11 01:21:21,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-02-11 01:21:21,602 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-02-11 01:21:21,602 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-02-11 01:21:21,602 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-02-11 01:21:21,606 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:21:21" (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 01:21:21,687 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2020-02-11 01:21:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2020-02-11 01:21:21,688 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2020-02-11 01:21:21,688 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2020-02-11 01:21:21,688 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2020-02-11 01:21:21,689 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2020-02-11 01:21:21,689 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2020-02-11 01:21:21,690 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2020-02-11 01:21:21,690 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2020-02-11 01:21:21,690 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2020-02-11 01:21:21,690 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2020-02-11 01:21:21,690 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2020-02-11 01:21:21,691 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2020-02-11 01:21:21,691 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2020-02-11 01:21:21,691 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2020-02-11 01:21:21,691 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-02-11 01:21:21,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-02-11 01:21:21,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-02-11 01:21:21,692 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2020-02-11 01:21:21,692 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2020-02-11 01:21:21,692 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2020-02-11 01:21:21,693 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2020-02-11 01:21:21,699 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2020-02-11 01:21:21,700 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2020-02-11 01:21:21,701 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2020-02-11 01:21:21,701 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2020-02-11 01:21:21,702 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2020-02-11 01:21:21,703 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 01:21:21,950 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-02-11 01:21:21,951 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-02-11 01:21:21,967 INFO L202 PluginConnector]: Adding new model example_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 01:21:21 BoogieIcfgContainer [2020-02-11 01:21:21,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-02-11 01:21:21,972 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-02-11 01:21:21,972 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-02-11 01:21:21,975 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-02-11 01:21:21,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 01:21:21" (1/2) ... [2020-02-11 01:21:21,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3662f718 and model type example_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 01:21:21, skipping insertion in model container [2020-02-11 01:21:21,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 01:21:21" (2/2) ... [2020-02-11 01:21:21,978 INFO L109 eAbstractionObserver]: Analyzing ICFG example_8.bpl [2020-02-11 01:21:21,988 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-02-11 01:21:21,999 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-02-11 01:21:22,000 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-02-11 01:21:22,209 INFO L251 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2020-02-11 01:21:22,225 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-02-11 01:21:22,225 INFO L376 AbstractCegarLoop]: Hoare is false [2020-02-11 01:21:22,225 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-02-11 01:21:22,226 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-02-11 01:21:22,226 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-02-11 01:21:22,226 INFO L380 AbstractCegarLoop]: Difference is false [2020-02-11 01:21:22,226 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-02-11 01:21:22,226 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-02-11 01:21:22,238 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 68 places, 99 transitions [2020-02-11 01:21:22,642 INFO L129 PetriNetUnfolder]: 769/1051 cut-off events. [2020-02-11 01:21:22,642 INFO L130 PetriNetUnfolder]: For 1024/1024 co-relation queries the response was YES. [2020-02-11 01:21:22,671 INFO L76 FinitePrefix]: Finished finitePrefix Result has 2100 conditions, 1051 events. 769/1051 cut-off events. For 1024/1024 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 3864 event pairs. 0/1050 useless extension candidates. Maximal degree in co-relation 933. Up to 280 conditions per place. [2020-02-11 01:21:22,671 INFO L82 GeneralOperation]: Start removeDead. Operand has 68 places, 99 transitions [2020-02-11 01:21:22,702 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 58 places, 89 transitions [2020-02-11 01:21:22,942 INFO L129 PetriNetUnfolder]: 769/1048 cut-off events. [2020-02-11 01:21:22,942 INFO L130 PetriNetUnfolder]: For 1024/1024 co-relation queries the response was YES. [2020-02-11 01:21:22,942 INFO L219 CegarLoopForPetriNet]: Found error trace [2020-02-11 01:21:22,943 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-02-11 01:21:22,944 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2020-02-11 01:21:22,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-02-11 01:21:22,957 INFO L82 PathProgramCache]: Analyzing trace with hash -1286151989, now seen corresponding path program 1 times [2020-02-11 01:21:22,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-02-11 01:21:22,972 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915776619] [2020-02-11 01:21:22,973 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-02-11 01:21:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-02-11 01:21:23,214 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 01:21:23,215 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915776619] [2020-02-11 01:21:23,217 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-02-11 01:21:23,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-02-11 01:21:23,218 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1024596708] [2020-02-11 01:21:23,222 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-02-11 01:21:23,237 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-02-11 01:21:25,201 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 13122 states and 69985 transitions. [2020-02-11 01:21:25,202 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-02-11 01:21:25,327 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 4 times. [2020-02-11 01:21:25,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-02-11 01:21:25,328 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-02-11 01:21:25,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-02-11 01:21:25,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-02-11 01:21:25,347 INFO L413 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 99 [2020-02-11 01:21:25,349 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 89 transitions. Second operand 3 states. [2020-02-11 01:21:25,349 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-02-11 01:21:25,349 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 99 [2020-02-11 01:21:25,351 INFO L68 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-02-11 01:21:25,647 INFO L129 PetriNetUnfolder]: 328/488 cut-off events. [2020-02-11 01:21:25,647 INFO L130 PetriNetUnfolder]: For 840/840 co-relation queries the response was YES. [2020-02-11 01:21:25,652 INFO L76 FinitePrefix]: Finished finitePrefix Result has 986 conditions, 488 events. 328/488 cut-off events. For 840/840 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1900 event pairs. 120/608 useless extension candidates. Maximal degree in co-relation 915. Up to 140 conditions per place. [2020-02-11 01:21:25,673 INFO L145 encePairwiseOnDemand]: 92/99 looper letters, 2 selfloop transitions, 1 changer transitions 0/83 dead transitions. [2020-02-11 01:21:25,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-02-11 01:21:25,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-02-11 01:21:25,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 279 transitions. [2020-02-11 01:21:25,686 INFO L464 CegarLoopForPetriNet]: DFA transition density 0.9393939393939394 [2020-02-11 01:21:25,687 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 279 transitions. [2020-02-11 01:21:25,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 279 transitions. [2020-02-11 01:21:25,690 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-02-11 01:21:25,693 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 279 transitions. [2020-02-11 01:21:25,699 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-02-11 01:21:25,707 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-02-11 01:21:25,708 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-02-11 01:21:25,710 INFO L178 Difference]: Start difference. First operand has 58 places, 89 transitions. Second operand 3 states and 279 transitions. [2020-02-11 01:21:25,714 INFO L206 Difference]: Finished difference. Result has 60 places, 83 transitions [2020-02-11 01:21:25,717 INFO L292 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=394, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=366, PETRI_PLACES=60, PETRI_TRANSITIONS=83} [2020-02-11 01:21:25,719 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 60 places, 83 transitions [2020-02-11 01:21:25,821 INFO L129 PetriNetUnfolder]: 328/488 cut-off events. [2020-02-11 01:21:25,821 INFO L130 PetriNetUnfolder]: For 464/464 co-relation queries the response was YES. [2020-02-11 01:21:25,827 INFO L76 FinitePrefix]: Finished finitePrefix Result has 978 conditions, 488 events. 328/488 cut-off events. For 464/464 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1646 event pairs. 0/488 useless extension candidates. Maximal degree in co-relation 946. Up to 140 conditions per place. [2020-02-11 01:21:25,827 INFO L82 GeneralOperation]: Start removeDead. Operand has 60 places, 83 transitions [2020-02-11 01:21:25,844 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 83 transitions [2020-02-11 01:21:25,846 INFO L479 AbstractCegarLoop]: Abstraction has has 60 places, 83 transitions [2020-02-11 01:21:25,847 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-02-11 01:21:25,962 INFO L129 PetriNetUnfolder]: 328/487 cut-off events. [2020-02-11 01:21:25,962 INFO L130 PetriNetUnfolder]: For 464/464 co-relation queries the response was YES. [2020-02-11 01:21:25,963 INFO L219 CegarLoopForPetriNet]: Found error trace [2020-02-11 01:21:25,963 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-02-11 01:21:25,964 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2020-02-11 01:21:25,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-02-11 01:21:25,964 INFO L82 PathProgramCache]: Analyzing trace with hash -1259837659, now seen corresponding path program 1 times [2020-02-11 01:21:25,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-02-11 01:21:25,965 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373111642] [2020-02-11 01:21:25,966 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-02-11 01:21:26,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-02-11 01:21:26,057 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 01:21:26,057 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373111642] [2020-02-11 01:21:26,058 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-02-11 01:21:26,058 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-02-11 01:21:26,058 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1158471134] [2020-02-11 01:21:26,059 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-02-11 01:21:26,065 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-02-11 01:21:27,814 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 13122 states and 69985 transitions. [2020-02-11 01:21:27,814 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-02-11 01:21:27,899 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 6 times. [2020-02-11 01:21:27,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-02-11 01:21:27,901 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-02-11 01:21:27,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-02-11 01:21:27,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-02-11 01:21:27,902 INFO L413 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 99 [2020-02-11 01:21:27,903 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 83 transitions. Second operand 3 states. [2020-02-11 01:21:27,903 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-02-11 01:21:27,903 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 99 [2020-02-11 01:21:27,903 INFO L68 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-02-11 01:21:28,004 INFO L129 PetriNetUnfolder]: 292/445 cut-off events. [2020-02-11 01:21:28,004 INFO L130 PetriNetUnfolder]: For 559/559 co-relation queries the response was YES. [2020-02-11 01:21:28,009 INFO L76 FinitePrefix]: Finished finitePrefix Result has 952 conditions, 445 events. 292/445 cut-off events. For 559/559 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1728 event pairs. 7/452 useless extension candidates. Maximal degree in co-relation 918. Up to 140 conditions per place. [2020-02-11 01:21:28,020 INFO L145 encePairwiseOnDemand]: 96/99 looper letters, 6 selfloop transitions, 1 changer transitions 0/81 dead transitions. [2020-02-11 01:21:28,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-02-11 01:21:28,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-02-11 01:21:28,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 279 transitions. [2020-02-11 01:21:28,022 INFO L464 CegarLoopForPetriNet]: DFA transition density 0.9393939393939394 [2020-02-11 01:21:28,022 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 279 transitions. [2020-02-11 01:21:28,022 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 279 transitions. [2020-02-11 01:21:28,022 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-02-11 01:21:28,023 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 279 transitions. [2020-02-11 01:21:28,023 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-02-11 01:21:28,024 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-02-11 01:21:28,024 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-02-11 01:21:28,024 INFO L178 Difference]: Start difference. First operand has 60 places, 83 transitions. Second operand 3 states and 279 transitions. [2020-02-11 01:21:28,026 INFO L206 Difference]: Finished difference. Result has 62 places, 81 transitions [2020-02-11 01:21:28,026 INFO L292 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=366, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=358, PETRI_PLACES=62, PETRI_TRANSITIONS=81} [2020-02-11 01:21:28,027 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 62 places, 81 transitions [2020-02-11 01:21:28,110 INFO L129 PetriNetUnfolder]: 292/445 cut-off events. [2020-02-11 01:21:28,110 INFO L130 PetriNetUnfolder]: For 422/422 co-relation queries the response was YES. [2020-02-11 01:21:28,117 INFO L76 FinitePrefix]: Finished finitePrefix Result has 894 conditions, 445 events. 292/445 cut-off events. For 422/422 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1485 event pairs. 0/445 useless extension candidates. Maximal degree in co-relation 873. Up to 140 conditions per place. [2020-02-11 01:21:28,117 INFO L82 GeneralOperation]: Start removeDead. Operand has 62 places, 81 transitions [2020-02-11 01:21:28,132 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 62 places, 81 transitions [2020-02-11 01:21:28,132 INFO L479 AbstractCegarLoop]: Abstraction has has 62 places, 81 transitions [2020-02-11 01:21:28,133 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-02-11 01:21:28,210 INFO L129 PetriNetUnfolder]: 292/444 cut-off events. [2020-02-11 01:21:28,210 INFO L130 PetriNetUnfolder]: For 422/422 co-relation queries the response was YES. [2020-02-11 01:21:28,210 INFO L219 CegarLoopForPetriNet]: Found error trace [2020-02-11 01:21:28,210 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-02-11 01:21:28,211 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2020-02-11 01:21:28,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-02-11 01:21:28,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1767933835, now seen corresponding path program 1 times [2020-02-11 01:21:28,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-02-11 01:21:28,212 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912437582] [2020-02-11 01:21:28,213 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-02-11 01:21:28,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-02-11 01:21:28,249 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 01:21:28,250 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912437582] [2020-02-11 01:21:28,250 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-02-11 01:21:28,250 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-02-11 01:21:28,251 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [244572698] [2020-02-11 01:21:28,251 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-02-11 01:21:28,257 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-02-11 01:21:30,572 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 13122 states and 69985 transitions. [2020-02-11 01:21:30,573 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-02-11 01:21:30,621 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 8 times. [2020-02-11 01:21:30,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-02-11 01:21:30,622 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-02-11 01:21:30,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-02-11 01:21:30,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-02-11 01:21:30,623 INFO L413 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 99 [2020-02-11 01:21:30,624 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 81 transitions. Second operand 3 states. [2020-02-11 01:21:30,624 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-02-11 01:21:30,624 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 99 [2020-02-11 01:21:30,624 INFO L68 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-02-11 01:21:30,721 INFO L129 PetriNetUnfolder]: 287/439 cut-off events. [2020-02-11 01:21:30,721 INFO L130 PetriNetUnfolder]: For 536/536 co-relation queries the response was YES. [2020-02-11 01:21:30,728 INFO L76 FinitePrefix]: Finished finitePrefix Result has 942 conditions, 439 events. 287/439 cut-off events. For 536/536 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1695 event pairs. 1/440 useless extension candidates. Maximal degree in co-relation 919. Up to 140 conditions per place. [2020-02-11 01:21:30,742 INFO L145 encePairwiseOnDemand]: 97/99 looper letters, 7 selfloop transitions, 1 changer transitions 0/80 dead transitions. [2020-02-11 01:21:30,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-02-11 01:21:30,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-02-11 01:21:30,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 279 transitions. [2020-02-11 01:21:30,745 INFO L464 CegarLoopForPetriNet]: DFA transition density 0.9393939393939394 [2020-02-11 01:21:30,745 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 279 transitions. [2020-02-11 01:21:30,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 279 transitions. [2020-02-11 01:21:30,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-02-11 01:21:30,746 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 279 transitions. [2020-02-11 01:21:30,746 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-02-11 01:21:30,747 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-02-11 01:21:30,748 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-02-11 01:21:30,748 INFO L178 Difference]: Start difference. First operand has 62 places, 81 transitions. Second operand 3 states and 279 transitions. [2020-02-11 01:21:30,749 INFO L206 Difference]: Finished difference. Result has 64 places, 80 transitions [2020-02-11 01:21:30,750 INFO L292 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=358, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=355, PETRI_PLACES=64, PETRI_TRANSITIONS=80} [2020-02-11 01:21:30,750 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 64 places, 80 transitions [2020-02-11 01:21:30,828 INFO L129 PetriNetUnfolder]: 287/439 cut-off events. [2020-02-11 01:21:30,828 INFO L130 PetriNetUnfolder]: For 417/417 co-relation queries the response was YES. [2020-02-11 01:21:30,834 INFO L76 FinitePrefix]: Finished finitePrefix Result has 884 conditions, 439 events. 287/439 cut-off events. For 417/417 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1469 event pairs. 0/439 useless extension candidates. Maximal degree in co-relation 865. Up to 140 conditions per place. [2020-02-11 01:21:30,835 INFO L82 GeneralOperation]: Start removeDead. Operand has 64 places, 80 transitions [2020-02-11 01:21:30,847 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 64 places, 80 transitions [2020-02-11 01:21:30,847 INFO L479 AbstractCegarLoop]: Abstraction has has 64 places, 80 transitions [2020-02-11 01:21:30,847 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-02-11 01:21:30,925 INFO L129 PetriNetUnfolder]: 287/438 cut-off events. [2020-02-11 01:21:30,925 INFO L130 PetriNetUnfolder]: For 417/417 co-relation queries the response was YES. [2020-02-11 01:21:30,925 INFO L219 CegarLoopForPetriNet]: Found error trace [2020-02-11 01:21:30,926 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-02-11 01:21:30,926 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2020-02-11 01:21:30,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-02-11 01:21:30,927 INFO L82 PathProgramCache]: Analyzing trace with hash -569421241, now seen corresponding path program 1 times [2020-02-11 01:21:30,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-02-11 01:21:30,927 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494178023] [2020-02-11 01:21:30,928 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-02-11 01:21:30,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-02-11 01:21:30,991 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 01:21:30,992 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494178023] [2020-02-11 01:21:30,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-02-11 01:21:30,992 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-02-11 01:21:30,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [987914822] [2020-02-11 01:21:30,993 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-02-11 01:21:30,996 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-02-11 01:21:32,771 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 13122 states and 69985 transitions. [2020-02-11 01:21:32,771 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-02-11 01:21:32,806 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 4 times. [2020-02-11 01:21:32,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-02-11 01:21:32,807 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-02-11 01:21:32,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-02-11 01:21:32,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-02-11 01:21:32,808 INFO L413 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 99 [2020-02-11 01:21:32,808 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 80 transitions. Second operand 3 states. [2020-02-11 01:21:32,808 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-02-11 01:21:32,808 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 99 [2020-02-11 01:21:32,809 INFO L68 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-02-11 01:21:32,921 INFO L129 PetriNetUnfolder]: 113/209 cut-off events. [2020-02-11 01:21:32,921 INFO L130 PetriNetUnfolder]: For 354/354 co-relation queries the response was YES. [2020-02-11 01:21:32,924 INFO L76 FinitePrefix]: Finished finitePrefix Result has 434 conditions, 209 events. 113/209 cut-off events. For 354/354 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 701 event pairs. 50/259 useless extension candidates. Maximal degree in co-relation 414. Up to 60 conditions per place. [2020-02-11 01:21:32,929 INFO L145 encePairwiseOnDemand]: 93/99 looper letters, 3 selfloop transitions, 1 changer transitions 0/75 dead transitions. [2020-02-11 01:21:32,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-02-11 01:21:32,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-02-11 01:21:32,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 279 transitions. [2020-02-11 01:21:32,931 INFO L464 CegarLoopForPetriNet]: DFA transition density 0.9393939393939394 [2020-02-11 01:21:32,932 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 279 transitions. [2020-02-11 01:21:32,932 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 279 transitions. [2020-02-11 01:21:32,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-02-11 01:21:32,933 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 279 transitions. [2020-02-11 01:21:32,933 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-02-11 01:21:32,934 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-02-11 01:21:32,935 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-02-11 01:21:32,935 INFO L178 Difference]: Start difference. First operand has 64 places, 80 transitions. Second operand 3 states and 279 transitions. [2020-02-11 01:21:32,936 INFO L206 Difference]: Finished difference. Result has 66 places, 75 transitions [2020-02-11 01:21:32,937 INFO L292 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=355, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=332, PETRI_PLACES=66, PETRI_TRANSITIONS=75} [2020-02-11 01:21:32,937 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 66 places, 75 transitions [2020-02-11 01:21:32,963 INFO L129 PetriNetUnfolder]: 113/209 cut-off events. [2020-02-11 01:21:32,964 INFO L130 PetriNetUnfolder]: For 188/188 co-relation queries the response was YES. [2020-02-11 01:21:32,966 INFO L76 FinitePrefix]: Finished finitePrefix Result has 426 conditions, 209 events. 113/209 cut-off events. For 188/188 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 651 event pairs. 0/209 useless extension candidates. Maximal degree in co-relation 406. Up to 60 conditions per place. [2020-02-11 01:21:32,970 INFO L82 GeneralOperation]: Start removeDead. Operand has 66 places, 75 transitions [2020-02-11 01:21:32,977 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 66 places, 75 transitions [2020-02-11 01:21:32,978 INFO L479 AbstractCegarLoop]: Abstraction has has 66 places, 75 transitions [2020-02-11 01:21:32,978 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-02-11 01:21:33,007 INFO L129 PetriNetUnfolder]: 113/208 cut-off events. [2020-02-11 01:21:33,008 INFO L130 PetriNetUnfolder]: For 188/188 co-relation queries the response was YES. [2020-02-11 01:21:33,008 INFO L219 CegarLoopForPetriNet]: Found error trace [2020-02-11 01:21:33,008 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-02-11 01:21:33,008 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2020-02-11 01:21:33,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-02-11 01:21:33,009 INFO L82 PathProgramCache]: Analyzing trace with hash -1247448769, now seen corresponding path program 1 times [2020-02-11 01:21:33,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-02-11 01:21:33,011 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35737826] [2020-02-11 01:21:33,011 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-02-11 01:21:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-02-11 01:21:33,063 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 01:21:33,063 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35737826] [2020-02-11 01:21:33,063 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-02-11 01:21:33,064 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-02-11 01:21:33,064 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [419255339] [2020-02-11 01:21:33,064 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-02-11 01:21:33,068 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-02-11 01:21:34,728 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 13122 states and 69985 transitions. [2020-02-11 01:21:34,728 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-02-11 01:21:34,764 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 6 times. [2020-02-11 01:21:34,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-02-11 01:21:34,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-02-11 01:21:34,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-02-11 01:21:34,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-02-11 01:21:34,765 INFO L413 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 99 [2020-02-11 01:21:34,766 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 75 transitions. Second operand 3 states. [2020-02-11 01:21:34,766 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-02-11 01:21:34,766 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 99 [2020-02-11 01:21:34,766 INFO L68 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-02-11 01:21:34,807 INFO L129 PetriNetUnfolder]: 68/149 cut-off events. [2020-02-11 01:21:34,808 INFO L130 PetriNetUnfolder]: For 195/195 co-relation queries the response was YES. [2020-02-11 01:21:34,810 INFO L76 FinitePrefix]: Finished finitePrefix Result has 326 conditions, 149 events. 68/149 cut-off events. For 195/195 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 460 event pairs. 10/159 useless extension candidates. Maximal degree in co-relation 305. Up to 30 conditions per place. [2020-02-11 01:21:34,814 INFO L145 encePairwiseOnDemand]: 95/99 looper letters, 5 selfloop transitions, 1 changer transitions 0/72 dead transitions. [2020-02-11 01:21:34,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-02-11 01:21:34,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-02-11 01:21:34,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 279 transitions. [2020-02-11 01:21:34,817 INFO L464 CegarLoopForPetriNet]: DFA transition density 0.9393939393939394 [2020-02-11 01:21:34,817 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 279 transitions. [2020-02-11 01:21:34,817 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 279 transitions. [2020-02-11 01:21:34,817 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-02-11 01:21:34,817 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 279 transitions. [2020-02-11 01:21:34,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-02-11 01:21:34,819 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-02-11 01:21:34,819 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-02-11 01:21:34,819 INFO L178 Difference]: Start difference. First operand has 66 places, 75 transitions. Second operand 3 states and 279 transitions. [2020-02-11 01:21:34,820 INFO L206 Difference]: Finished difference. Result has 68 places, 72 transitions [2020-02-11 01:21:34,820 INFO L292 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=319, PETRI_PLACES=68, PETRI_TRANSITIONS=72} [2020-02-11 01:21:34,820 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 68 places, 72 transitions [2020-02-11 01:21:34,840 INFO L129 PetriNetUnfolder]: 68/149 cut-off events. [2020-02-11 01:21:34,840 INFO L130 PetriNetUnfolder]: For 129/129 co-relation queries the response was YES. [2020-02-11 01:21:34,842 INFO L76 FinitePrefix]: Finished finitePrefix Result has 308 conditions, 149 events. 68/149 cut-off events. For 129/129 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 430 event pairs. 0/149 useless extension candidates. Maximal degree in co-relation 287. Up to 30 conditions per place. [2020-02-11 01:21:34,843 INFO L82 GeneralOperation]: Start removeDead. Operand has 68 places, 72 transitions [2020-02-11 01:21:34,846 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 68 places, 72 transitions [2020-02-11 01:21:34,847 INFO L479 AbstractCegarLoop]: Abstraction has has 68 places, 72 transitions [2020-02-11 01:21:34,847 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-02-11 01:21:34,866 INFO L129 PetriNetUnfolder]: 68/148 cut-off events. [2020-02-11 01:21:34,866 INFO L130 PetriNetUnfolder]: For 129/129 co-relation queries the response was YES. [2020-02-11 01:21:34,866 INFO L219 CegarLoopForPetriNet]: Found error trace [2020-02-11 01:21:34,867 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-02-11 01:21:34,867 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2020-02-11 01:21:34,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-02-11 01:21:34,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1762983733, now seen corresponding path program 1 times [2020-02-11 01:21:34,868 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-02-11 01:21:34,868 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315578447] [2020-02-11 01:21:34,868 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-02-11 01:21:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-02-11 01:21:34,890 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 01:21:34,891 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315578447] [2020-02-11 01:21:34,891 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-02-11 01:21:34,891 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-02-11 01:21:34,891 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1511134470] [2020-02-11 01:21:34,892 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-02-11 01:21:34,894 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-02-11 01:21:37,207 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 13122 states and 69985 transitions. [2020-02-11 01:21:37,207 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-02-11 01:21:37,249 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 24 times. [2020-02-11 01:21:37,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-02-11 01:21:37,250 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-02-11 01:21:37,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-02-11 01:21:37,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-02-11 01:21:37,251 INFO L413 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 99 [2020-02-11 01:21:37,251 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 72 transitions. Second operand 3 states. [2020-02-11 01:21:37,251 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-02-11 01:21:37,251 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 99 [2020-02-11 01:21:37,251 INFO L68 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-02-11 01:21:37,281 INFO L129 PetriNetUnfolder]: 10/53 cut-off events. [2020-02-11 01:21:37,282 INFO L130 PetriNetUnfolder]: For 87/87 co-relation queries the response was YES. [2020-02-11 01:21:37,283 INFO L76 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 53 events. 10/53 cut-off events. For 87/87 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 104 event pairs. 17/70 useless extension candidates. Maximal degree in co-relation 97. Up to 8 conditions per place. [2020-02-11 01:21:37,285 INFO L145 encePairwiseOnDemand]: 91/99 looper letters, 1 selfloop transitions, 1 changer transitions 0/47 dead transitions. [2020-02-11 01:21:37,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-02-11 01:21:37,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-02-11 01:21:37,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 279 transitions. [2020-02-11 01:21:37,286 INFO L464 CegarLoopForPetriNet]: DFA transition density 0.9393939393939394 [2020-02-11 01:21:37,286 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 279 transitions. [2020-02-11 01:21:37,286 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 279 transitions. [2020-02-11 01:21:37,287 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-02-11 01:21:37,287 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 279 transitions. [2020-02-11 01:21:37,288 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-02-11 01:21:37,288 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-02-11 01:21:37,288 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-02-11 01:21:37,288 INFO L178 Difference]: Start difference. First operand has 68 places, 72 transitions. Second operand 3 states and 279 transitions. [2020-02-11 01:21:37,289 INFO L206 Difference]: Finished difference. Result has 70 places, 47 transitions [2020-02-11 01:21:37,289 INFO L292 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=319, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=196, PETRI_PLACES=70, PETRI_TRANSITIONS=47} [2020-02-11 01:21:37,290 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 70 places, 47 transitions [2020-02-11 01:21:37,297 INFO L129 PetriNetUnfolder]: 10/53 cut-off events. [2020-02-11 01:21:37,298 INFO L130 PetriNetUnfolder]: For 34/34 co-relation queries the response was YES. [2020-02-11 01:21:37,298 INFO L76 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 53 events. 10/53 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 88 event pairs. 0/53 useless extension candidates. Maximal degree in co-relation 96. Up to 8 conditions per place. [2020-02-11 01:21:37,299 INFO L82 GeneralOperation]: Start removeDead. Operand has 70 places, 47 transitions [2020-02-11 01:21:37,301 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 70 places, 47 transitions [2020-02-11 01:21:37,301 INFO L479 AbstractCegarLoop]: Abstraction has has 70 places, 47 transitions [2020-02-11 01:21:37,301 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-02-11 01:21:37,308 INFO L129 PetriNetUnfolder]: 10/52 cut-off events. [2020-02-11 01:21:37,309 INFO L130 PetriNetUnfolder]: For 34/34 co-relation queries the response was YES. [2020-02-11 01:21:37,309 INFO L219 CegarLoopForPetriNet]: Found error trace [2020-02-11 01:21:37,309 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-02-11 01:21:37,309 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2020-02-11 01:21:37,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-02-11 01:21:37,310 INFO L82 PathProgramCache]: Analyzing trace with hash 402113875, now seen corresponding path program 1 times [2020-02-11 01:21:37,310 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-02-11 01:21:37,311 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93859997] [2020-02-11 01:21:37,311 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-02-11 01:21:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-02-11 01:21:37,354 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 01:21:37,355 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93859997] [2020-02-11 01:21:37,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-02-11 01:21:37,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-02-11 01:21:37,355 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [939558527] [2020-02-11 01:21:37,356 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-02-11 01:21:37,360 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-02-11 01:21:38,831 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 13122 states and 69985 transitions. [2020-02-11 01:21:38,831 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-02-11 01:21:38,867 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 4 times. [2020-02-11 01:21:38,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-02-11 01:21:38,868 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-02-11 01:21:38,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-02-11 01:21:38,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-02-11 01:21:38,869 INFO L413 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 99 [2020-02-11 01:21:38,869 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 47 transitions. Second operand 3 states. [2020-02-11 01:21:38,869 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-02-11 01:21:38,869 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 99 [2020-02-11 01:21:38,869 INFO L68 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-02-11 01:21:38,889 INFO L129 PetriNetUnfolder]: 0/33 cut-off events. [2020-02-11 01:21:38,890 INFO L130 PetriNetUnfolder]: For 29/29 co-relation queries the response was YES. [2020-02-11 01:21:38,890 INFO L76 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 33 events. 0/33 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 40 event pairs. 4/37 useless extension candidates. Maximal degree in co-relation 58. Up to 2 conditions per place. [2020-02-11 01:21:38,892 INFO L145 encePairwiseOnDemand]: 94/99 looper letters, 1 selfloop transitions, 1 changer transitions 0/33 dead transitions. [2020-02-11 01:21:38,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-02-11 01:21:38,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-02-11 01:21:38,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 276 transitions. [2020-02-11 01:21:38,893 INFO L464 CegarLoopForPetriNet]: DFA transition density 0.9292929292929293 [2020-02-11 01:21:38,893 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 276 transitions. [2020-02-11 01:21:38,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 276 transitions. [2020-02-11 01:21:38,894 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-02-11 01:21:38,894 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 276 transitions. [2020-02-11 01:21:38,894 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-02-11 01:21:38,895 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-02-11 01:21:38,895 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-02-11 01:21:38,895 INFO L178 Difference]: Start difference. First operand has 70 places, 47 transitions. Second operand 3 states and 276 transitions. [2020-02-11 01:21:38,896 INFO L206 Difference]: Finished difference. Result has 72 places, 33 transitions [2020-02-11 01:21:38,896 INFO L292 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=128, PETRI_PLACES=72, PETRI_TRANSITIONS=33} [2020-02-11 01:21:38,896 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 72 places, 33 transitions [2020-02-11 01:21:38,901 INFO L129 PetriNetUnfolder]: 0/33 cut-off events. [2020-02-11 01:21:38,901 INFO L130 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2020-02-11 01:21:38,902 INFO L76 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 33 events. 0/33 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 37 event pairs. 0/33 useless extension candidates. Maximal degree in co-relation 57. Up to 2 conditions per place. [2020-02-11 01:21:38,902 INFO L82 GeneralOperation]: Start removeDead. Operand has 72 places, 33 transitions [2020-02-11 01:21:38,903 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 72 places, 33 transitions [2020-02-11 01:21:38,903 INFO L479 AbstractCegarLoop]: Abstraction has has 72 places, 33 transitions [2020-02-11 01:21:38,903 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-02-11 01:21:38,908 INFO L129 PetriNetUnfolder]: 0/32 cut-off events. [2020-02-11 01:21:38,908 INFO L130 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2020-02-11 01:21:38,908 INFO L219 CegarLoopForPetriNet]: Found error trace [2020-02-11 01:21:38,908 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-02-11 01:21:38,909 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2020-02-11 01:21:38,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-02-11 01:21:38,909 INFO L82 PathProgramCache]: Analyzing trace with hash 1659783503, now seen corresponding path program 1 times [2020-02-11 01:21:38,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-02-11 01:21:38,910 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874128305] [2020-02-11 01:21:38,910 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-02-11 01:21:38,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-02-11 01:21:39,477 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27 [2020-02-11 01:21:39,605 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 01:21:39,606 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874128305] [2020-02-11 01:21:39,606 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-02-11 01:21:39,606 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-02-11 01:21:39,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [405284026] [2020-02-11 01:21:39,610 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-02-11 01:21:39,613 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-02-11 01:21:41,004 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 13122 states and 69985 transitions. [2020-02-11 01:21:41,004 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-02-11 01:23:59,159 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 939 times. [2020-02-11 01:23:59,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 499 states [2020-02-11 01:23:59,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-02-11 01:23:59,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 499 interpolants. [2020-02-11 01:23:59,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12612, Invalid=235890, Unknown=0, NotChecked=0, Total=248502 [2020-02-11 01:23:59,207 INFO L413 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 99 [2020-02-11 01:23:59,213 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 33 transitions. Second operand 499 states. [2020-02-11 01:23:59,214 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-02-11 01:23:59,214 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 99 [2020-02-11 01:23:59,214 INFO L68 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-02-11 01:25:30,060 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2020-02-11 01:26:42,373 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2020-02-11 01:26:45,940 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 41 [2020-02-11 01:26:51,615 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-02-11 01:26:52,637 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 42 [2020-02-11 01:26:53,750 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2020-02-11 01:26:58,832 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 42 [2020-02-11 01:26:59,545 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-02-11 01:27:06,887 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2020-02-11 01:27:07,831 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 41 [2020-02-11 01:27:11,927 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 39 [2020-02-11 01:27:12,631 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 39 [2020-02-11 01:27:13,314 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 39 [2020-02-11 01:27:18,440 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2020-02-11 01:27:19,116 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2020-02-11 01:27:19,778 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2020-02-11 01:27:27,201 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2020-02-11 01:27:28,105 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-02-11 01:27:28,807 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-02-11 01:27:33,553 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 40 [2020-02-11 01:27:34,261 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2020-02-11 01:27:42,363 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-02-11 01:27:43,838 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2020-02-11 01:27:50,729 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2020-02-11 01:28:30,160 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2020-02-11 01:28:40,240 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-02-11 01:28:47,422 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-02-11 01:28:56,584 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2020-02-11 01:28:58,686 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 39 [2020-02-11 01:28:59,400 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2020-02-11 01:29:00,742 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 39 [2020-02-11 01:29:01,452 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2020-02-11 01:29:02,128 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2020-02-11 01:29:04,126 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2020-02-11 01:29:07,655 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2020-02-11 01:29:08,505 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-02-11 01:29:10,216 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2020-02-11 01:29:12,015 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2020-02-11 01:29:12,977 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2020-02-11 01:29:17,024 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2020-02-11 01:29:19,436 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2020-02-11 01:29:22,283 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2020-02-11 01:29:23,155 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2020-02-11 01:29:27,329 WARN L192 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-02-11 01:29:28,172 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-02-11 01:29:29,760 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2020-02-11 01:29:30,419 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2020-02-11 01:29:31,278 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2020-02-11 01:29:33,369 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-02-11 01:29:34,562 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2020-02-11 01:29:38,685 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-02-11 01:29:43,570 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2020-02-11 01:29:48,586 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-02-11 01:29:49,299 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2020-02-11 01:29:49,966 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2020-02-11 01:29:52,510 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2020-02-11 01:29:53,832 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-02-11 01:29:56,683 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2020-02-11 01:29:57,573 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-02-11 01:29:58,440 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2020-02-11 01:30:01,722 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2020-02-11 01:30:02,573 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-02-11 01:30:04,191 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-02-11 01:30:04,850 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2020-02-11 01:30:05,730 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2020-02-11 01:30:08,117 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-02-11 01:30:09,039 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2020-02-11 01:30:13,184 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-02-11 01:30:17,988 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-02-11 01:30:21,019 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-02-11 01:30:23,572 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-02-11 01:30:24,243 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-02-11 01:30:26,905 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2020-02-11 01:30:28,166 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-02-11 01:30:28,794 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-02-11 01:30:29,666 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2020-02-11 01:30:30,515 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2020-02-11 01:30:31,772 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2020-02-11 01:30:32,962 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2020-02-11 01:30:37,044 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2020-02-11 01:30:40,553 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-02-11 01:30:41,860 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2020-02-11 01:30:43,732 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2020-02-11 01:30:44,381 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-02-11 01:30:45,054 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-02-11 01:30:45,731 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2020-02-11 01:30:46,347 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-02-11 01:30:48,322 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2020-02-11 01:30:53,787 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-02-11 01:30:57,259 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2020-02-11 01:30:58,558 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2020-02-11 01:31:03,728 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2020-02-11 01:31:11,009 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-02-11 01:31:13,481 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2020-02-11 01:31:15,370 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2020-02-11 01:31:16,635 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-02-11 01:31:28,468 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2020-02-11 01:31:33,308 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-02-11 01:31:40,564 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2020-02-11 01:31:45,103 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-02-11 01:31:47,025 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2020-02-11 01:31:48,274 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2020-02-11 01:31:48,918 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 44 [2020-02-11 01:31:49,590 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2020-02-11 01:31:50,249 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2020-02-11 01:31:50,885 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-02-11 01:31:52,188 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 49 [2020-02-11 01:31:52,827 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 39 [2020-02-11 01:31:53,501 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-02-11 01:31:54,160 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2020-02-11 01:31:55,143 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2020-02-11 01:31:56,290 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-02-11 01:31:59,199 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-02-11 01:32:00,380 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-02-11 01:32:01,534 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2020-02-11 01:32:02,170 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2020-02-11 01:32:03,462 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2020-02-11 01:32:04,136 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 44 [2020-02-11 01:32:05,041 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-02-11 01:32:06,173 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-02-11 01:32:07,095 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-02-11 01:32:08,310 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2020-02-11 01:32:13,314 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2020-02-11 01:32:14,242 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 44 [2020-02-11 01:32:14,893 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2020-02-11 01:32:15,573 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2020-02-11 01:32:16,239 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-02-11 01:32:16,887 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2020-02-11 01:32:18,157 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2020-02-11 01:32:18,809 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2020-02-11 01:32:20,647 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2020-02-11 01:32:21,348 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-02-11 01:32:22,596 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-02-11 01:32:23,256 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-02-11 01:32:23,881 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-02-11 01:32:24,752 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2020-02-11 01:32:25,871 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2020-02-11 01:32:26,895 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-02-11 01:32:28,105 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2020-02-11 01:32:33,107 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2020-02-11 01:32:34,000 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2020-02-11 01:32:35,256 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2020-02-11 01:32:35,856 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2020-02-11 01:32:36,508 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2020-02-11 01:32:37,138 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2020-02-11 01:32:37,758 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-02-11 01:32:38,980 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-02-11 01:32:40,182 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-02-11 01:32:40,873 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2020-02-11 01:32:45,408 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2020-02-11 01:32:46,269 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-02-11 01:32:46,853 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-02-11 01:32:47,520 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2020-02-11 01:32:53,035 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2020-02-11 01:32:58,115 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-02-11 01:32:59,367 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2020-02-11 01:33:00,616 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2020-02-11 01:33:02,329 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2020-02-11 01:33:03,154 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 53 [2020-02-11 01:33:03,919 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 49 [2020-02-11 01:33:04,683 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2020-02-11 01:33:05,448 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 49 [2020-02-11 01:33:06,165 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 51 [2020-02-11 01:33:06,857 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2020-02-11 01:33:07,700 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 54 [2020-02-11 01:33:08,512 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 44 [2020-02-11 01:33:09,300 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2020-02-11 01:33:10,037 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 49 [2020-02-11 01:33:10,742 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 51 [2020-02-11 01:33:11,440 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2020-02-11 01:33:12,272 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2020-02-11 01:33:13,079 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2020-02-11 01:33:13,785 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-02-11 01:33:14,605 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 54 [2020-02-11 01:33:15,384 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2020-02-11 01:33:16,136 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2020-02-11 01:33:16,884 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 49 [2020-02-11 01:33:17,653 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2020-02-11 01:33:18,402 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 49 [2020-02-11 01:33:19,128 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 51 [2020-02-11 01:33:19,819 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2020-02-11 01:33:20,627 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2020-02-11 01:33:21,414 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 44 [2020-02-11 01:33:22,170 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 54 [2020-02-11 01:33:22,913 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2020-02-11 01:33:23,878 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2020-02-11 01:33:24,822 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2020-02-11 01:33:25,762 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2020-02-11 01:33:26,699 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2020-02-11 01:33:28,124 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-02-11 01:33:29,105 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2020-02-11 01:33:30,128 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 45 [2020-02-11 01:33:30,855 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 45 [2020-02-11 01:33:32,288 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2020-02-11 01:33:33,015 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 49 [2020-02-11 01:33:33,953 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2020-02-11 01:33:34,870 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2020-02-11 01:33:36,219 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-02-11 01:33:37,204 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2020-02-11 01:33:40,999 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-02-11 01:33:41,949 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2020-02-11 01:33:42,688 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 49 [2020-02-11 01:33:43,429 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 49 [2020-02-11 01:33:44,277 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2020-02-11 01:33:45,030 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 44 [2020-02-11 01:33:45,820 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2020-02-11 01:33:46,571 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 50 [2020-02-11 01:33:47,304 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 53 [2020-02-11 01:33:48,030 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2020-02-11 01:33:48,748 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2020-02-11 01:33:49,435 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-02-11 01:33:50,273 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 54 [2020-02-11 01:33:51,092 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 45 [2020-02-11 01:33:51,813 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2020-02-11 01:33:52,531 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2020-02-11 01:33:53,466 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2020-02-11 01:33:54,395 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2020-02-11 01:33:55,509 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2020-02-11 01:33:56,773 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2020-02-11 01:33:58,275 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2020-02-11 01:34:00,401 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2020-02-11 01:34:01,640 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2020-02-11 01:34:02,352 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-02-11 01:34:03,097 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2020-02-11 01:34:03,841 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2020-02-11 01:34:04,598 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2020-02-11 01:34:05,373 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 53 [2020-02-11 01:34:06,124 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2020-02-11 01:34:06,883 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2020-02-11 01:34:07,618 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 49 [2020-02-11 01:34:08,301 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2020-02-11 01:34:08,994 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2020-02-11 01:34:09,789 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 54 [2020-02-11 01:34:11,041 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-02-11 01:34:13,084 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2020-02-11 01:34:14,319 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-02-11 01:34:15,044 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2020-02-11 01:34:15,872 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 49 [2020-02-11 01:34:16,617 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2020-02-11 01:34:17,416 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 44 [2020-02-11 01:34:20,071 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2020-02-11 01:34:20,765 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-02-11 01:34:21,456 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2020-02-11 01:34:22,161 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2020-02-11 01:34:23,691 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2020-02-11 01:34:24,878 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2020-02-11 01:34:26,916 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-02-11 01:34:27,665 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2020-02-11 01:34:28,424 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 49 [2020-02-11 01:34:29,209 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2020-02-11 01:34:29,961 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 49 [2020-02-11 01:34:30,753 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 53 [2020-02-11 01:34:31,670 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 53 [2020-02-11 01:34:32,373 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2020-02-11 01:34:33,072 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2020-02-11 01:34:33,769 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 51 [2020-02-11 01:34:34,475 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2020-02-11 01:34:35,127 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-02-11 01:34:36,504 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2020-02-11 01:34:37,246 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 42 [2020-02-11 01:34:38,018 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 51 [2020-02-11 01:34:38,769 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 47 [2020-02-11 01:34:39,534 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 52 [2020-02-11 01:34:40,264 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2020-02-11 01:34:40,961 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2020-02-11 01:34:41,641 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 46 [2020-02-11 01:34:42,358 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2020-02-11 01:34:43,152 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2020-02-11 01:34:43,917 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 42 [2020-02-11 01:34:44,655 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 42 [2020-02-11 01:34:45,419 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2020-02-11 01:34:46,256 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-02-11 01:34:46,962 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2020-02-11 01:34:47,638 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2020-02-11 01:34:48,352 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2020-02-11 01:34:49,147 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 Received shutdown request... [2020-02-11 01:34:49,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 739 states. [2020-02-11 01:34:49,696 WARN L544 AbstractCegarLoop]: Verification canceled [2020-02-11 01:34:49,700 WARN L227 ceAbstractionStarter]: Timeout [2020-02-11 01:34:49,701 INFO L202 PluginConnector]: Adding new model example_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.02 01:34:49 BasicIcfg [2020-02-11 01:34:49,701 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-02-11 01:34:49,702 INFO L168 Benchmark]: Toolchain (without parser) took 808169.41 ms. Allocated memory was 144.7 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 118.5 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2020-02-11 01:34:49,702 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 144.7 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-02-11 01:34:49,703 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.55 ms. Allocated memory is still 144.7 MB. Free memory was 118.3 MB in the beginning and 116.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2020-02-11 01:34:49,703 INFO L168 Benchmark]: Boogie Preprocessor took 23.60 ms. Allocated memory is still 144.7 MB. Free memory was 116.5 MB in the beginning and 115.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 7.1 GB. [2020-02-11 01:34:49,703 INFO L168 Benchmark]: RCFGBuilder took 369.07 ms. Allocated memory is still 144.7 MB. Free memory was 115.3 MB in the beginning and 101.9 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2020-02-11 01:34:49,704 INFO L168 Benchmark]: TraceAbstraction took 807729.04 ms. Allocated memory was 144.7 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 101.5 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2020-02-11 01:34:49,705 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 144.7 MB. Free memory was 119.7 MB in the beginning and 119.5 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 38.55 ms. Allocated memory is still 144.7 MB. Free memory was 118.3 MB in the beginning and 116.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.60 ms. Allocated memory is still 144.7 MB. Free memory was 116.5 MB in the beginning and 115.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 369.07 ms. Allocated memory is still 144.7 MB. Free memory was 115.3 MB in the beginning and 101.9 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 807729.04 ms. Allocated memory was 144.7 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 101.5 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 29]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 29). Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1219 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. Result: TIMEOUT, OverallTime: 807.4s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 651.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 771 SDtfs, 1294 SDslu, 154989 SDs, 0 SdLazy, 208285 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 178.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1958 GetRequests, 733 SyntacticMatches, 0 SemanticMatches, 1224 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 363725 ImplicationChecksByTransitivity, 569.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=89occurred 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: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 264 NumberOfCodeBlocks, 264 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 256 ConstructedInterpolants, 0 QuantifiedInterpolants, 36416 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 could not prove your program: Timeout Completed graceful shutdown