/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-abd8500 [2020-01-16 23:39:33,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-01-16 23:39:33,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-01-16 23:39:34,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-01-16 23:39:34,038 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 [2020-01-16 23:39:34,054 INFO L113 SettingsManager]: Loading preferences was successful [2020-01-16 23:39:34,054 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-01-16 23:39:34,057 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-01-16 23:39:34,057 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-01-16 23:39:34,057 INFO L138 SettingsManager]: * Use SBE=true [2020-01-16 23:39:34,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-01-16 23:39:34,058 INFO L138 SettingsManager]: * sizeof long=4 [2020-01-16 23:39:34,058 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-01-16 23:39:34,058 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-01-16 23:39:34,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-01-16 23:39:34,058 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-01-16 23:39:34,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-01-16 23:39:34,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-01-16 23:39:34,059 INFO L138 SettingsManager]: * sizeof long double=12 [2020-01-16 23:39:34,059 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-01-16 23:39:34,059 INFO L138 SettingsManager]: * Use constant arrays=true [2020-01-16 23:39:34,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-01-16 23:39:34,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-01-16 23:39:34,060 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-01-16 23:39:34,060 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-01-16 23:39:34,060 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-01-16 23:39:34,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-01-16 23:39:34,062 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-01-16 23:39:34,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-01-16 23:39:34,062 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-01-16 23:39:34,063 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-01-16 23:39:34,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-01-16 23:39:34,063 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-01-16 23:39:34,063 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-01-16 23:39:34,064 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-01-16 23:39:34,064 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-01-16 23:39:34,065 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-01-16 23:39:34,333 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-01-16 23:39:34,353 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-01-16 23:39:34,356 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-01-16 23:39:34,357 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-01-16 23:39:34,357 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-01-16 23:39:34,358 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_8.bpl [2020-01-16 23:39:34,358 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_8.bpl' [2020-01-16 23:39:34,392 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-01-16 23:39:34,394 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-01-16 23:39:34,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-01-16 23:39:34,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-01-16 23:39:34,395 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-01-16 23:39:34,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 11:39:34" (1/1) ... [2020-01-16 23:39:34,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 11:39:34" (1/1) ... [2020-01-16 23:39:34,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-01-16 23:39:34,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-01-16 23:39:34,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-01-16 23:39:34,430 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-01-16 23:39:34,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 11:39:34" (1/1) ... [2020-01-16 23:39:34,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 11:39:34" (1/1) ... [2020-01-16 23:39:34,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 11:39:34" (1/1) ... [2020-01-16 23:39:34,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 11:39:34" (1/1) ... [2020-01-16 23:39:34,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 11:39:34" (1/1) ... [2020-01-16 23:39:34,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 11:39:34" (1/1) ... [2020-01-16 23:39:34,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 11:39:34" (1/1) ... [2020-01-16 23:39:34,450 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-01-16 23:39:34,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-01-16 23:39:34,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-01-16 23:39:34,451 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-01-16 23:39:34,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 11:39:34" (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 [2020-01-16 23:39:34,526 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2020-01-16 23:39:34,527 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2020-01-16 23:39:34,527 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2020-01-16 23:39:34,527 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2020-01-16 23:39:34,528 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2020-01-16 23:39:34,528 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2020-01-16 23:39:34,529 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2020-01-16 23:39:34,529 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2020-01-16 23:39:34,529 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2020-01-16 23:39:34,529 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2020-01-16 23:39:34,529 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2020-01-16 23:39:34,529 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2020-01-16 23:39:34,530 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2020-01-16 23:39:34,530 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2020-01-16 23:39:34,530 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2020-01-16 23:39:34,530 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-01-16 23:39:34,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-01-16 23:39:34,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-01-16 23:39:34,531 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2020-01-16 23:39:34,531 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2020-01-16 23:39:34,531 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2020-01-16 23:39:34,532 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2020-01-16 23:39:34,538 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2020-01-16 23:39:34,539 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2020-01-16 23:39:34,539 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2020-01-16 23:39:34,540 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2020-01-16 23:39:34,540 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2020-01-16 23:39:34,542 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-01-16 23:39:34,840 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-01-16 23:39:34,840 INFO L287 CfgBuilder]: Removed 0 assume(true) statements. [2020-01-16 23:39:34,841 INFO L202 PluginConnector]: Adding new model example_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.01 11:39:34 BoogieIcfgContainer [2020-01-16 23:39:34,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-01-16 23:39:34,843 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-01-16 23:39:34,843 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-01-16 23:39:34,846 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-01-16 23:39:34,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 11:39:34" (1/2) ... [2020-01-16 23:39:34,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b3e91c6 and model type example_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.01 11:39:34, skipping insertion in model container [2020-01-16 23:39:34,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.01 11:39:34" (2/2) ... [2020-01-16 23:39:34,849 INFO L109 eAbstractionObserver]: Analyzing ICFG example_8.bpl [2020-01-16 23:39:34,859 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-01-16 23:39:34,866 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-01-16 23:39:34,867 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-01-16 23:39:35,057 INFO L250 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2020-01-16 23:39:35,074 INFO L374 AbstractCegarLoop]: Interprodecural is true [2020-01-16 23:39:35,075 INFO L375 AbstractCegarLoop]: Hoare is false [2020-01-16 23:39:35,075 INFO L376 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-01-16 23:39:35,075 INFO L377 AbstractCegarLoop]: Backedges is MCR [2020-01-16 23:39:35,075 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-01-16 23:39:35,075 INFO L379 AbstractCegarLoop]: Difference is false [2020-01-16 23:39:35,076 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-01-16 23:39:35,076 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-01-16 23:39:35,480 INFO L129 PetriNetUnfolder]: 769/1048 cut-off events. [2020-01-16 23:39:35,480 INFO L130 PetriNetUnfolder]: For 1024/1024 co-relation queries the response was YES. [2020-01-16 23:39:35,481 INFO L202 CegarLoopForPetriNet]: Found error trace [2020-01-16 23:39:35,482 INFO L210 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] [2020-01-16 23:39:35,482 INFO L426 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]=== [2020-01-16 23:39:35,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-01-16 23:39:35,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1854475061, now seen corresponding path program 1 times [2020-01-16 23:39:35,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-01-16 23:39:35,510 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223685747] [2020-01-16 23:39:35,511 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-01-16 23:39:35,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-01-16 23:39:35,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-01-16 23:39:35,662 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223685747] [2020-01-16 23:39:35,663 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-01-16 23:39:35,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-01-16 23:39:35,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2019782485] [2020-01-16 23:39:35,665 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-01-16 23:39:35,679 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-01-16 23:39:37,821 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 13122 states and 69985 transitions. [2020-01-16 23:39:37,822 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-01-16 23:39:37,951 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 2 times. [2020-01-16 23:39:37,952 INFO L458 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-01-16 23:39:37,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-01-16 23:39:37,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-01-16 23:39:37,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-01-16 23:39:37,981 INFO L387 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 99 [2020-01-16 23:39:37,984 INFO L91 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 99 transitions. Second operand 3 states. [2020-01-16 23:39:37,984 INFO L100 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-01-16 23:39:37,984 INFO L101 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 99 [2020-01-16 23:39:37,986 INFO L68 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-01-16 23:39:38,284 INFO L129 PetriNetUnfolder]: 720/994 cut-off events. [2020-01-16 23:39:38,285 INFO L130 PetriNetUnfolder]: For 1232/1232 co-relation queries the response was YES. [2020-01-16 23:39:38,315 INFO L76 FinitePrefix]: Finished finitePrefix Result has 2108 conditions, 994 events. 720/994 cut-off events. For 1232/1232 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 4115 event pairs. 8/1001 useless extension candidates. Maximal degree in co-relation 962. Up to 280 conditions per place. [2020-01-16 23:39:38,317 INFO L123 encePairwiseOnDemand]: 96/99 looper letters, 6 selfloop transitions, 3 changer transitions [2020-01-16 23:39:38,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-01-16 23:39:38,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-01-16 23:39:38,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 279 transitions. [2020-01-16 23:39:38,329 INFO L434 CegarLoopForPetriNet]: DFA transition density 0.9393939393939394 [2020-01-16 23:39:38,331 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 279 transitions. [2020-01-16 23:39:38,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 279 transitions. [2020-01-16 23:39:38,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-01-16 23:39:38,337 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 279 transitions. [2020-01-16 23:39:38,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-01-16 23:39:38,346 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-01-16 23:39:38,347 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-01-16 23:39:38,349 INFO L174 Difference]: Start difference. First operand has 68 places, 99 transitions. Second operand 3 states and 279 transitions. [2020-01-16 23:39:38,350 INFO L199 Difference]: Finished difference. Result has 70 places, 89 transitions [2020-01-16 23:39:38,353 INFO L284 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=430, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=390, PETRI_PLACES=70, PETRI_TRANSITIONS=89} [2020-01-16 23:39:38,355 INFO L115 RemoveUnreachable]: Start removeUnreachable. Operand has 70 places, 89 transitions [2020-01-16 23:39:38,355 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 70 places, 89 transitions [2020-01-16 23:39:38,653 INFO L129 PetriNetUnfolder]: 720/994 cut-off events. [2020-01-16 23:39:38,654 INFO L130 PetriNetUnfolder]: For 968/968 co-relation queries the response was YES. [2020-01-16 23:39:38,663 INFO L76 FinitePrefix]: Finished finitePrefix Result has 1988 conditions, 994 events. 720/994 cut-off events. For 968/968 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 3503 event pairs. 0/993 useless extension candidates. Maximal degree in co-relation 1968. Up to 280 conditions per place. [2020-01-16 23:39:38,673 INFO L126 RemoveUnreachable]: Finished removeUnreachable. Removed 10 of 70 places, 0 of 89 transitions, 2 of 390 flow. [2020-01-16 23:39:38,674 INFO L478 AbstractCegarLoop]: Abstraction has has 60 places, 89 transitions [2020-01-16 23:39:38,674 INFO L479 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-01-16 23:39:38,879 INFO L129 PetriNetUnfolder]: 720/991 cut-off events. [2020-01-16 23:39:38,879 INFO L130 PetriNetUnfolder]: For 968/968 co-relation queries the response was YES. [2020-01-16 23:39:38,880 INFO L202 CegarLoopForPetriNet]: Found error trace [2020-01-16 23:39:38,880 INFO L210 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] [2020-01-16 23:39:38,881 INFO L426 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]=== [2020-01-16 23:39:38,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-01-16 23:39:38,882 INFO L82 PathProgramCache]: Analyzing trace with hash 2084471785, now seen corresponding path program 1 times [2020-01-16 23:39:38,882 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-01-16 23:39:38,883 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589050842] [2020-01-16 23:39:38,883 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-01-16 23:39:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-01-16 23:39:38,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-01-16 23:39:38,965 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589050842] [2020-01-16 23:39:38,966 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-01-16 23:39:38,966 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-01-16 23:39:38,966 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [283764665] [2020-01-16 23:39:38,966 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-01-16 23:39:38,971 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-01-16 23:39:40,705 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 13122 states and 69985 transitions. [2020-01-16 23:39:40,705 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-01-16 23:39:40,784 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 8 times. [2020-01-16 23:39:40,785 INFO L458 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-01-16 23:39:40,786 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-01-16 23:39:40,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-01-16 23:39:40,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-01-16 23:39:40,787 INFO L387 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 99 [2020-01-16 23:39:40,788 INFO L91 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 89 transitions. Second operand 3 states. [2020-01-16 23:39:40,788 INFO L100 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-01-16 23:39:40,788 INFO L101 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 99 [2020-01-16 23:39:40,788 INFO L68 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-01-16 23:39:40,936 INFO L129 PetriNetUnfolder]: 292/447 cut-off events. [2020-01-16 23:39:40,936 INFO L130 PetriNetUnfolder]: For 777/777 co-relation queries the response was YES. [2020-01-16 23:39:40,944 INFO L76 FinitePrefix]: Finished finitePrefix Result has 902 conditions, 447 events. 292/447 cut-off events. For 777/777 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1729 event pairs. 113/559 useless extension candidates. Maximal degree in co-relation 829. Up to 140 conditions per place. [2020-01-16 23:39:40,945 INFO L123 encePairwiseOnDemand]: 92/99 looper letters, 2 selfloop transitions, 7 changer transitions [2020-01-16 23:39:40,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-01-16 23:39:40,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-01-16 23:39:40,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 279 transitions. [2020-01-16 23:39:40,948 INFO L434 CegarLoopForPetriNet]: DFA transition density 0.9393939393939394 [2020-01-16 23:39:40,948 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 279 transitions. [2020-01-16 23:39:40,948 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 279 transitions. [2020-01-16 23:39:40,948 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-01-16 23:39:40,949 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 279 transitions. [2020-01-16 23:39:40,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-01-16 23:39:40,956 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-01-16 23:39:40,956 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-01-16 23:39:40,957 INFO L174 Difference]: Start difference. First operand has 60 places, 89 transitions. Second operand 3 states and 279 transitions. [2020-01-16 23:39:40,967 INFO L199 Difference]: Finished difference. Result has 62 places, 83 transitions [2020-01-16 23:39:40,967 INFO L284 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=360, PETRI_PLACES=62, PETRI_TRANSITIONS=83} [2020-01-16 23:39:40,970 INFO L115 RemoveUnreachable]: Start removeUnreachable. Operand has 62 places, 83 transitions [2020-01-16 23:39:40,970 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 62 places, 83 transitions [2020-01-16 23:39:41,067 INFO L129 PetriNetUnfolder]: 292/447 cut-off events. [2020-01-16 23:39:41,068 INFO L130 PetriNetUnfolder]: For 422/422 co-relation queries the response was YES. [2020-01-16 23:39:41,073 INFO L76 FinitePrefix]: Finished finitePrefix Result has 894 conditions, 447 events. 292/447 cut-off events. For 422/422 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1487 event pairs. 0/446 useless extension candidates. Maximal degree in co-relation 861. Up to 140 conditions per place. [2020-01-16 23:39:41,074 INFO L126 RemoveUnreachable]: Finished removeUnreachable. Removed 1 of 62 places, 0 of 83 transitions, 1 of 360 flow. [2020-01-16 23:39:41,074 INFO L478 AbstractCegarLoop]: Abstraction has has 61 places, 83 transitions [2020-01-16 23:39:41,074 INFO L479 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-01-16 23:39:41,332 INFO L129 PetriNetUnfolder]: 292/444 cut-off events. [2020-01-16 23:39:41,333 INFO L130 PetriNetUnfolder]: For 422/422 co-relation queries the response was YES. [2020-01-16 23:39:41,333 INFO L202 CegarLoopForPetriNet]: Found error trace [2020-01-16 23:39:41,333 INFO L210 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] [2020-01-16 23:39:41,333 INFO L426 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]=== [2020-01-16 23:39:41,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-01-16 23:39:41,334 INFO L82 PathProgramCache]: Analyzing trace with hash -954954903, now seen corresponding path program 1 times [2020-01-16 23:39:41,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-01-16 23:39:41,335 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451616754] [2020-01-16 23:39:41,335 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-01-16 23:39:41,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-01-16 23:39:41,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-01-16 23:39:41,417 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451616754] [2020-01-16 23:39:41,418 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-01-16 23:39:41,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-01-16 23:39:41,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [94465192] [2020-01-16 23:39:41,419 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-01-16 23:39:41,426 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-01-16 23:39:43,317 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 13122 states and 69985 transitions. [2020-01-16 23:39:43,318 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-01-16 23:39:43,365 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 4 times. [2020-01-16 23:39:43,365 INFO L458 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-01-16 23:39:43,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-01-16 23:39:43,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-01-16 23:39:43,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-01-16 23:39:43,367 INFO L387 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 99 [2020-01-16 23:39:43,368 INFO L91 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 83 transitions. Second operand 3 states. [2020-01-16 23:39:43,368 INFO L100 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-01-16 23:39:43,368 INFO L101 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 99 [2020-01-16 23:39:43,368 INFO L68 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-01-16 23:39:43,482 INFO L129 PetriNetUnfolder]: 287/441 cut-off events. [2020-01-16 23:39:43,482 INFO L130 PetriNetUnfolder]: For 536/536 co-relation queries the response was YES. [2020-01-16 23:39:43,490 INFO L76 FinitePrefix]: Finished finitePrefix Result has 941 conditions, 441 events. 287/441 cut-off events. For 536/536 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1697 event pairs. 1/441 useless extension candidates. Maximal degree in co-relation 874. Up to 140 conditions per place. [2020-01-16 23:39:43,491 INFO L123 encePairwiseOnDemand]: 97/99 looper letters, 7 selfloop transitions, 2 changer transitions [2020-01-16 23:39:43,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-01-16 23:39:43,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-01-16 23:39:43,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 279 transitions. [2020-01-16 23:39:43,493 INFO L434 CegarLoopForPetriNet]: DFA transition density 0.9393939393939394 [2020-01-16 23:39:43,493 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 279 transitions. [2020-01-16 23:39:43,494 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 279 transitions. [2020-01-16 23:39:43,494 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-01-16 23:39:43,494 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 279 transitions. [2020-01-16 23:39:43,495 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-01-16 23:39:43,496 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-01-16 23:39:43,496 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-01-16 23:39:43,496 INFO L174 Difference]: Start difference. First operand has 61 places, 83 transitions. Second operand 3 states and 279 transitions. [2020-01-16 23:39:43,497 INFO L199 Difference]: Finished difference. Result has 63 places, 82 transitions [2020-01-16 23:39:43,498 INFO L284 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=359, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=356, PETRI_PLACES=63, PETRI_TRANSITIONS=82} [2020-01-16 23:39:43,498 INFO L115 RemoveUnreachable]: Start removeUnreachable. Operand has 63 places, 82 transitions [2020-01-16 23:39:43,498 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 63 places, 82 transitions [2020-01-16 23:39:43,599 INFO L129 PetriNetUnfolder]: 287/441 cut-off events. [2020-01-16 23:39:43,599 INFO L130 PetriNetUnfolder]: For 417/417 co-relation queries the response was YES. [2020-01-16 23:39:43,607 INFO L76 FinitePrefix]: Finished finitePrefix Result has 883 conditions, 441 events. 287/441 cut-off events. For 417/417 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1472 event pairs. 0/440 useless extension candidates. Maximal degree in co-relation 864. Up to 140 conditions per place. [2020-01-16 23:39:43,608 INFO L126 RemoveUnreachable]: Finished removeUnreachable. Removed 1 of 63 places, 0 of 82 transitions, 1 of 356 flow. [2020-01-16 23:39:43,609 INFO L478 AbstractCegarLoop]: Abstraction has has 62 places, 82 transitions [2020-01-16 23:39:43,609 INFO L479 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-01-16 23:39:43,727 INFO L129 PetriNetUnfolder]: 287/438 cut-off events. [2020-01-16 23:39:43,727 INFO L130 PetriNetUnfolder]: For 417/417 co-relation queries the response was YES. [2020-01-16 23:39:43,727 INFO L202 CegarLoopForPetriNet]: Found error trace [2020-01-16 23:39:43,727 INFO L210 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] [2020-01-16 23:39:43,728 INFO L426 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]=== [2020-01-16 23:39:43,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-01-16 23:39:43,728 INFO L82 PathProgramCache]: Analyzing trace with hash -219848249, now seen corresponding path program 1 times [2020-01-16 23:39:43,729 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-01-16 23:39:43,729 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173930716] [2020-01-16 23:39:43,729 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-01-16 23:39:43,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-01-16 23:39:43,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-01-16 23:39:43,757 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173930716] [2020-01-16 23:39:43,757 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-01-16 23:39:43,757 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-01-16 23:39:43,757 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [25025445] [2020-01-16 23:39:43,758 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-01-16 23:39:43,763 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-01-16 23:39:45,943 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 13122 states and 69985 transitions. [2020-01-16 23:39:45,943 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-01-16 23:39:45,982 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 8 times. [2020-01-16 23:39:45,983 INFO L458 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-01-16 23:39:45,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-01-16 23:39:45,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-01-16 23:39:45,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-01-16 23:39:45,984 INFO L387 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 99 [2020-01-16 23:39:45,985 INFO L91 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 82 transitions. Second operand 3 states. [2020-01-16 23:39:45,985 INFO L100 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-01-16 23:39:45,985 INFO L101 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 99 [2020-01-16 23:39:45,985 INFO L68 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-01-16 23:39:46,040 INFO L129 PetriNetUnfolder]: 113/211 cut-off events. [2020-01-16 23:39:46,040 INFO L130 PetriNetUnfolder]: For 354/354 co-relation queries the response was YES. [2020-01-16 23:39:46,043 INFO L76 FinitePrefix]: Finished finitePrefix Result has 432 conditions, 211 events. 113/211 cut-off events. For 354/354 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 703 event pairs. 50/260 useless extension candidates. Maximal degree in co-relation 364. Up to 60 conditions per place. [2020-01-16 23:39:46,044 INFO L123 encePairwiseOnDemand]: 93/99 looper letters, 3 selfloop transitions, 6 changer transitions [2020-01-16 23:39:46,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-01-16 23:39:46,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-01-16 23:39:46,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 279 transitions. [2020-01-16 23:39:46,047 INFO L434 CegarLoopForPetriNet]: DFA transition density 0.9393939393939394 [2020-01-16 23:39:46,047 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 279 transitions. [2020-01-16 23:39:46,047 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 279 transitions. [2020-01-16 23:39:46,048 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-01-16 23:39:46,048 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 279 transitions. [2020-01-16 23:39:46,049 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-01-16 23:39:46,049 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-01-16 23:39:46,050 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-01-16 23:39:46,050 INFO L174 Difference]: Start difference. First operand has 62 places, 82 transitions. Second operand 3 states and 279 transitions. [2020-01-16 23:39:46,051 INFO L199 Difference]: Finished difference. Result has 64 places, 77 transitions [2020-01-16 23:39:46,051 INFO L284 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=355, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=332, PETRI_PLACES=64, PETRI_TRANSITIONS=77} [2020-01-16 23:39:46,051 INFO L115 RemoveUnreachable]: Start removeUnreachable. Operand has 64 places, 77 transitions [2020-01-16 23:39:46,052 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 64 places, 77 transitions [2020-01-16 23:39:46,092 INFO L129 PetriNetUnfolder]: 113/211 cut-off events. [2020-01-16 23:39:46,092 INFO L130 PetriNetUnfolder]: For 188/188 co-relation queries the response was YES. [2020-01-16 23:39:46,094 INFO L76 FinitePrefix]: Finished finitePrefix Result has 424 conditions, 211 events. 113/211 cut-off events. For 188/188 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 655 event pairs. 0/210 useless extension candidates. Maximal degree in co-relation 392. Up to 60 conditions per place. [2020-01-16 23:39:46,098 INFO L126 RemoveUnreachable]: Finished removeUnreachable. Removed 1 of 64 places, 0 of 77 transitions, 1 of 332 flow. [2020-01-16 23:39:46,098 INFO L478 AbstractCegarLoop]: Abstraction has has 63 places, 77 transitions [2020-01-16 23:39:46,098 INFO L479 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-01-16 23:39:46,136 INFO L129 PetriNetUnfolder]: 113/208 cut-off events. [2020-01-16 23:39:46,140 INFO L130 PetriNetUnfolder]: For 188/188 co-relation queries the response was YES. [2020-01-16 23:39:46,140 INFO L202 CegarLoopForPetriNet]: Found error trace [2020-01-16 23:39:46,141 INFO L210 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] [2020-01-16 23:39:46,141 INFO L426 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]=== [2020-01-16 23:39:46,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-01-16 23:39:46,146 INFO L82 PathProgramCache]: Analyzing trace with hash 751243361, now seen corresponding path program 1 times [2020-01-16 23:39:46,147 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-01-16 23:39:46,149 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723955945] [2020-01-16 23:39:46,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-01-16 23:39:46,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-01-16 23:39:46,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-01-16 23:39:46,206 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723955945] [2020-01-16 23:39:46,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-01-16 23:39:46,207 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-01-16 23:39:46,207 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [634405818] [2020-01-16 23:39:46,207 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-01-16 23:39:46,213 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-01-16 23:39:47,829 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 13122 states and 69985 transitions. [2020-01-16 23:39:47,830 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-01-16 23:39:47,865 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 8 times. [2020-01-16 23:39:47,865 INFO L458 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-01-16 23:39:47,865 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-01-16 23:39:47,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-01-16 23:39:47,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-01-16 23:39:47,866 INFO L387 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 99 [2020-01-16 23:39:47,866 INFO L91 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 77 transitions. Second operand 3 states. [2020-01-16 23:39:47,867 INFO L100 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-01-16 23:39:47,867 INFO L101 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 99 [2020-01-16 23:39:47,867 INFO L68 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-01-16 23:39:47,904 INFO L129 PetriNetUnfolder]: 68/151 cut-off events. [2020-01-16 23:39:47,904 INFO L130 PetriNetUnfolder]: For 195/195 co-relation queries the response was YES. [2020-01-16 23:39:47,906 INFO L76 FinitePrefix]: Finished finitePrefix Result has 323 conditions, 151 events. 68/151 cut-off events. For 195/195 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 462 event pairs. 10/160 useless extension candidates. Maximal degree in co-relation 254. Up to 30 conditions per place. [2020-01-16 23:39:47,906 INFO L123 encePairwiseOnDemand]: 95/99 looper letters, 5 selfloop transitions, 4 changer transitions [2020-01-16 23:39:47,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-01-16 23:39:47,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-01-16 23:39:47,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 279 transitions. [2020-01-16 23:39:47,907 INFO L434 CegarLoopForPetriNet]: DFA transition density 0.9393939393939394 [2020-01-16 23:39:47,908 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 279 transitions. [2020-01-16 23:39:47,908 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 279 transitions. [2020-01-16 23:39:47,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-01-16 23:39:47,908 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 279 transitions. [2020-01-16 23:39:47,909 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-01-16 23:39:47,909 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-01-16 23:39:47,909 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-01-16 23:39:47,910 INFO L174 Difference]: Start difference. First operand has 63 places, 77 transitions. Second operand 3 states and 279 transitions. [2020-01-16 23:39:47,910 INFO L199 Difference]: Finished difference. Result has 65 places, 74 transitions [2020-01-16 23:39:47,910 INFO L284 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=331, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=318, PETRI_PLACES=65, PETRI_TRANSITIONS=74} [2020-01-16 23:39:47,911 INFO L115 RemoveUnreachable]: Start removeUnreachable. Operand has 65 places, 74 transitions [2020-01-16 23:39:47,911 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 65 places, 74 transitions [2020-01-16 23:39:47,931 INFO L129 PetriNetUnfolder]: 68/151 cut-off events. [2020-01-16 23:39:47,931 INFO L130 PetriNetUnfolder]: For 129/129 co-relation queries the response was YES. [2020-01-16 23:39:47,934 INFO L76 FinitePrefix]: Finished finitePrefix Result has 305 conditions, 151 events. 68/151 cut-off events. For 129/129 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 434 event pairs. 0/150 useless extension candidates. Maximal degree in co-relation 278. Up to 30 conditions per place. [2020-01-16 23:39:47,935 INFO L126 RemoveUnreachable]: Finished removeUnreachable. Removed 1 of 65 places, 0 of 74 transitions, 1 of 318 flow. [2020-01-16 23:39:47,935 INFO L478 AbstractCegarLoop]: Abstraction has has 64 places, 74 transitions [2020-01-16 23:39:47,935 INFO L479 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-01-16 23:39:47,959 INFO L129 PetriNetUnfolder]: 68/148 cut-off events. [2020-01-16 23:39:47,960 INFO L130 PetriNetUnfolder]: For 129/129 co-relation queries the response was YES. [2020-01-16 23:39:47,960 INFO L202 CegarLoopForPetriNet]: Found error trace [2020-01-16 23:39:47,960 INFO L210 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] [2020-01-16 23:39:47,960 INFO L426 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]=== [2020-01-16 23:39:47,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-01-16 23:39:47,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1769489287, now seen corresponding path program 1 times [2020-01-16 23:39:47,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-01-16 23:39:47,962 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799478046] [2020-01-16 23:39:47,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-01-16 23:39:47,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-01-16 23:39:47,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-01-16 23:39:47,981 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799478046] [2020-01-16 23:39:47,981 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-01-16 23:39:47,982 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-01-16 23:39:47,982 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1202758500] [2020-01-16 23:39:47,982 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-01-16 23:39:47,985 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-01-16 23:39:49,539 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 13122 states and 69985 transitions. [2020-01-16 23:39:49,539 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-01-16 23:39:49,571 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 12 times. [2020-01-16 23:39:49,572 INFO L458 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-01-16 23:39:49,572 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-01-16 23:39:49,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-01-16 23:39:49,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-01-16 23:39:49,573 INFO L387 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 99 [2020-01-16 23:39:49,573 INFO L91 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 74 transitions. Second operand 3 states. [2020-01-16 23:39:49,573 INFO L100 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-01-16 23:39:49,573 INFO L101 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 99 [2020-01-16 23:39:49,573 INFO L68 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-01-16 23:39:49,599 INFO L129 PetriNetUnfolder]: 10/55 cut-off events. [2020-01-16 23:39:49,599 INFO L130 PetriNetUnfolder]: For 87/87 co-relation queries the response was YES. [2020-01-16 23:39:49,600 INFO L76 FinitePrefix]: Finished finitePrefix Result has 115 conditions, 55 events. 10/55 cut-off events. For 87/87 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 106 event pairs. 17/71 useless extension candidates. Maximal degree in co-relation 73. Up to 8 conditions per place. [2020-01-16 23:39:49,600 INFO L123 encePairwiseOnDemand]: 91/99 looper letters, 1 selfloop transitions, 8 changer transitions [2020-01-16 23:39:49,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-01-16 23:39:49,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-01-16 23:39:49,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 279 transitions. [2020-01-16 23:39:49,602 INFO L434 CegarLoopForPetriNet]: DFA transition density 0.9393939393939394 [2020-01-16 23:39:49,602 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 279 transitions. [2020-01-16 23:39:49,602 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 279 transitions. [2020-01-16 23:39:49,602 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-01-16 23:39:49,602 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 279 transitions. [2020-01-16 23:39:49,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-01-16 23:39:49,604 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-01-16 23:39:49,604 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-01-16 23:39:49,604 INFO L174 Difference]: Start difference. First operand has 64 places, 74 transitions. Second operand 3 states and 279 transitions. [2020-01-16 23:39:49,604 INFO L199 Difference]: Finished difference. Result has 66 places, 49 transitions [2020-01-16 23:39:49,605 INFO L284 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=317, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=194, PETRI_PLACES=66, PETRI_TRANSITIONS=49} [2020-01-16 23:39:49,605 INFO L115 RemoveUnreachable]: Start removeUnreachable. Operand has 66 places, 49 transitions [2020-01-16 23:39:49,605 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 66 places, 49 transitions [2020-01-16 23:39:49,613 INFO L129 PetriNetUnfolder]: 10/55 cut-off events. [2020-01-16 23:39:49,613 INFO L130 PetriNetUnfolder]: For 34/34 co-relation queries the response was YES. [2020-01-16 23:39:49,614 INFO L76 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 55 events. 10/55 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 99 event pairs. 0/54 useless extension candidates. Maximal degree in co-relation 74. Up to 8 conditions per place. [2020-01-16 23:39:49,615 INFO L126 RemoveUnreachable]: Finished removeUnreachable. Removed 1 of 66 places, 0 of 49 transitions, 1 of 194 flow. [2020-01-16 23:39:49,615 INFO L478 AbstractCegarLoop]: Abstraction has has 65 places, 49 transitions [2020-01-16 23:39:49,615 INFO L479 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-01-16 23:39:49,622 INFO L129 PetriNetUnfolder]: 10/52 cut-off events. [2020-01-16 23:39:49,623 INFO L130 PetriNetUnfolder]: For 34/34 co-relation queries the response was YES. [2020-01-16 23:39:49,623 INFO L202 CegarLoopForPetriNet]: Found error trace [2020-01-16 23:39:49,623 INFO L210 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] [2020-01-16 23:39:49,623 INFO L426 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]=== [2020-01-16 23:39:49,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-01-16 23:39:49,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1459773505, now seen corresponding path program 1 times [2020-01-16 23:39:49,624 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-01-16 23:39:49,624 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051674155] [2020-01-16 23:39:49,624 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-01-16 23:39:49,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-01-16 23:39:49,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-01-16 23:39:49,651 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051674155] [2020-01-16 23:39:49,651 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-01-16 23:39:49,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-01-16 23:39:49,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [296632738] [2020-01-16 23:39:49,652 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-01-16 23:39:49,656 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-01-16 23:39:51,103 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 13122 states and 69985 transitions. [2020-01-16 23:39:51,104 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-01-16 23:39:51,140 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 8 times. [2020-01-16 23:39:51,140 INFO L458 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-01-16 23:39:51,140 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-01-16 23:39:51,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-01-16 23:39:51,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-01-16 23:39:51,141 INFO L387 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 99 [2020-01-16 23:39:51,141 INFO L91 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 49 transitions. Second operand 3 states. [2020-01-16 23:39:51,141 INFO L100 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-01-16 23:39:51,141 INFO L101 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 99 [2020-01-16 23:39:51,142 INFO L68 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-01-16 23:39:51,157 INFO L129 PetriNetUnfolder]: 0/35 cut-off events. [2020-01-16 23:39:51,157 INFO L130 PetriNetUnfolder]: For 29/29 co-relation queries the response was YES. [2020-01-16 23:39:51,158 INFO L76 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 35 events. 0/35 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 42 event pairs. 4/38 useless extension candidates. Maximal degree in co-relation 38. Up to 2 conditions per place. [2020-01-16 23:39:51,158 INFO L123 encePairwiseOnDemand]: 94/99 looper letters, 1 selfloop transitions, 5 changer transitions [2020-01-16 23:39:51,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-01-16 23:39:51,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-01-16 23:39:51,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 276 transitions. [2020-01-16 23:39:51,159 INFO L434 CegarLoopForPetriNet]: DFA transition density 0.9292929292929293 [2020-01-16 23:39:51,160 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 276 transitions. [2020-01-16 23:39:51,160 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 276 transitions. [2020-01-16 23:39:51,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-01-16 23:39:51,160 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 276 transitions. [2020-01-16 23:39:51,161 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-01-16 23:39:51,161 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-01-16 23:39:51,161 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-01-16 23:39:51,161 INFO L174 Difference]: Start difference. First operand has 65 places, 49 transitions. Second operand 3 states and 276 transitions. [2020-01-16 23:39:51,162 INFO L199 Difference]: Finished difference. Result has 67 places, 35 transitions [2020-01-16 23:39:51,162 INFO L284 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=193, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=125, PETRI_PLACES=67, PETRI_TRANSITIONS=35} [2020-01-16 23:39:51,162 INFO L115 RemoveUnreachable]: Start removeUnreachable. Operand has 67 places, 35 transitions [2020-01-16 23:39:51,162 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 67 places, 35 transitions [2020-01-16 23:39:51,168 INFO L129 PetriNetUnfolder]: 0/35 cut-off events. [2020-01-16 23:39:51,169 INFO L130 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2020-01-16 23:39:51,169 INFO L76 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 35 events. 0/35 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 37 event pairs. 0/34 useless extension candidates. Maximal degree in co-relation 43. Up to 2 conditions per place. [2020-01-16 23:39:51,170 INFO L126 RemoveUnreachable]: Finished removeUnreachable. Removed 1 of 67 places, 0 of 35 transitions, 1 of 125 flow. [2020-01-16 23:39:51,170 INFO L478 AbstractCegarLoop]: Abstraction has has 66 places, 35 transitions [2020-01-16 23:39:51,171 INFO L479 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-01-16 23:39:51,175 INFO L129 PetriNetUnfolder]: 0/33 cut-off events. [2020-01-16 23:39:51,176 INFO L130 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2020-01-16 23:39:51,176 INFO L202 CegarLoopForPetriNet]: Found error trace [2020-01-16 23:39:51,176 INFO L210 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] [2020-01-16 23:39:51,176 INFO L426 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]=== [2020-01-16 23:39:51,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-01-16 23:39:51,177 INFO L82 PathProgramCache]: Analyzing trace with hash 40008271, now seen corresponding path program 1 times [2020-01-16 23:39:51,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-01-16 23:39:51,178 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355259281] [2020-01-16 23:39:51,178 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-01-16 23:39:51,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-01-16 23:39:51,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-01-16 23:39:51,898 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355259281] [2020-01-16 23:39:51,898 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-01-16 23:39:51,898 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-01-16 23:39:51,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1111853361] [2020-01-16 23:39:51,899 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-01-16 23:39:51,902 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-01-16 23:39:53,229 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 13122 states and 69985 transitions. [2020-01-16 23:39:53,229 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-01-16 23:39:59,381 WARN L192 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-01-16 23:42:07,468 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 797 times. [2020-01-16 23:42:07,468 INFO L458 AbstractCegarLoop]: Interpolant automaton has 497 states [2020-01-16 23:42:07,469 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-01-16 23:42:07,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 497 interpolants. [2020-01-16 23:42:07,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12630, Invalid=233882, Unknown=0, NotChecked=0, Total=246512 [2020-01-16 23:42:07,513 INFO L387 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 99 [2020-01-16 23:42:07,568 INFO L91 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 35 transitions. Second operand 497 states. [2020-01-16 23:42:07,568 INFO L100 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-01-16 23:42:07,568 INFO L101 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 99 [2020-01-16 23:42:07,568 INFO L68 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-01-16 23:42:45,687 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2020-01-16 23:44:40,555 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2020-01-16 23:45:03,351 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2020-01-16 23:45:07,987 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-01-16 23:45:11,371 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-01-16 23:45:16,184 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 46 [2020-01-16 23:46:03,409 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-01-16 23:46:06,693 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-01-16 23:46:11,473 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-01-16 23:46:18,840 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2020-01-16 23:46:20,771 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2020-01-16 23:46:21,455 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2020-01-16 23:46:22,121 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 44 [2020-01-16 23:46:22,798 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2020-01-16 23:46:23,483 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2020-01-16 23:46:24,192 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2020-01-16 23:46:29,240 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-01-16 23:46:30,104 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-01-16 23:46:31,028 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2020-01-16 23:46:31,887 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-01-16 23:46:34,161 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-01-16 23:46:35,109 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 42 [2020-01-16 23:46:36,643 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-01-16 23:46:37,332 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2020-01-16 23:46:38,224 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2020-01-16 23:46:39,998 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2020-01-16 23:46:40,876 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-01-16 23:46:43,212 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2020-01-16 23:46:44,128 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-01-16 23:46:45,396 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-01-16 23:46:46,325 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2020-01-16 23:46:46,999 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2020-01-16 23:46:47,654 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2020-01-16 23:46:48,558 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-01-16 23:46:49,439 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2020-01-16 23:46:50,658 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-01-16 23:46:51,835 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-01-16 23:46:52,776 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2020-01-16 23:46:53,442 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 44 [2020-01-16 23:46:54,989 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-01-16 23:46:56,183 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2020-01-16 23:46:59,666 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2020-01-16 23:47:00,329 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2020-01-16 23:47:05,897 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2020-01-16 23:47:06,788 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 39 [2020-01-16 23:47:11,671 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-01-16 23:47:12,543 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2020-01-16 23:47:14,941 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-01-16 23:47:16,424 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2020-01-16 23:47:17,055 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-01-16 23:47:17,706 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-01-16 23:47:21,045 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2020-01-16 23:47:24,913 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2020-01-16 23:47:28,804 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2020-01-16 23:47:29,669 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2020-01-16 23:47:30,960 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2020-01-16 23:47:32,131 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-01-16 23:47:34,218 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-01-16 23:47:34,873 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-01-16 23:47:38,154 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2020-01-16 23:47:41,991 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2020-01-16 23:47:45,727 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2020-01-16 23:47:46,404 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2020-01-16 23:47:47,730 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2020-01-16 23:47:48,377 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2020-01-16 23:47:49,054 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2020-01-16 23:47:49,690 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 44 [2020-01-16 23:47:51,204 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-01-16 23:47:52,408 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2020-01-16 23:47:55,991 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2020-01-16 23:47:56,636 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 44 [2020-01-16 23:47:59,453 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-01-16 23:48:00,726 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2020-01-16 23:48:01,385 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2020-01-16 23:48:02,717 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2020-01-16 23:48:03,950 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-01-16 23:48:04,643 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2020-01-16 23:48:10,229 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-01-16 23:48:12,088 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2020-01-16 23:48:12,692 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-01-16 23:48:13,979 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2020-01-16 23:48:28,406 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2020-01-16 23:48:31,322 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-01-16 23:48:32,460 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2020-01-16 23:48:33,621 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2020-01-16 23:48:36,141 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-01-16 23:48:37,220 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2020-01-16 23:48:39,144 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-01-16 23:48:42,186 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2020-01-16 23:48:44,155 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2020-01-16 23:48:45,031 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2020-01-16 23:48:46,436 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-01-16 23:48:47,601 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2020-01-16 23:48:53,955 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-01-16 23:48:55,072 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2020-01-16 23:48:55,973 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-01-16 23:48:57,483 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-01-16 23:48:58,944 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-01-16 23:49:00,062 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-01-16 23:49:02,110 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-01-16 23:49:05,234 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-01-16 23:49:06,729 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2020-01-16 23:49:08,165 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2020-01-16 23:49:09,667 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-01-16 23:49:10,849 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2020-01-16 23:49:12,066 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-01-16 23:49:12,659 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-01-16 23:49:13,564 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2020-01-16 23:49:14,698 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-01-16 23:49:15,596 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-01-16 23:49:16,834 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2020-01-16 23:49:19,991 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-01-16 23:49:21,500 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2020-01-16 23:49:22,999 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2020-01-16 23:49:24,464 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-01-16 23:49:25,701 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2020-01-16 23:49:26,309 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-01-16 23:49:27,005 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2020-01-16 23:49:27,673 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 45 [2020-01-16 23:49:28,974 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-01-16 23:49:31,778 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-01-16 23:49:32,406 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-01-16 23:49:33,313 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-01-16 23:49:34,857 WARN L192 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-01-16 23:49:35,790 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2020-01-16 23:49:36,439 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-01-16 23:49:39,211 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2020-01-16 23:49:39,861 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2020-01-16 23:49:41,163 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 49 [2020-01-16 23:49:41,782 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-01-16 23:49:42,457 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2020-01-16 23:49:47,595 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2020-01-16 23:49:48,198 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-01-16 23:49:49,456 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2020-01-16 23:49:50,149 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2020-01-16 23:49:51,532 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2020-01-16 23:49:52,253 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2020-01-16 23:49:52,969 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2020-01-16 23:49:53,683 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-01-16 23:49:54,410 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 51 [2020-01-16 23:49:55,196 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 45 [2020-01-16 23:49:55,961 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 51 [2020-01-16 23:49:56,676 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2020-01-16 23:49:57,404 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2020-01-16 23:49:58,122 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2020-01-16 23:49:58,922 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2020-01-16 23:49:59,752 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2020-01-16 23:50:00,493 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 51 [2020-01-16 23:50:01,302 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2020-01-16 23:50:02,234 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 55 [2020-01-16 23:50:03,167 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2020-01-16 23:50:04,069 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2020-01-16 23:50:04,971 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2020-01-16 23:50:05,839 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-01-16 23:50:07,943 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2020-01-16 23:50:08,949 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 44 [2020-01-16 23:50:10,294 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2020-01-16 23:50:11,033 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 45 [2020-01-16 23:50:11,810 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2020-01-16 23:50:12,514 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2020-01-16 23:50:13,465 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-01-16 23:50:14,399 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-01-16 23:50:15,667 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-01-16 23:50:16,647 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-01-16 23:50:19,544 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-01-16 23:50:20,241 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2020-01-16 23:50:21,784 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2020-01-16 23:50:22,781 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2020-01-16 23:50:23,479 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2020-01-16 23:50:24,265 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2020-01-16 23:50:24,954 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2020-01-16 23:50:25,684 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2020-01-16 23:50:26,385 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-01-16 23:50:27,324 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2020-01-16 23:50:28,263 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2020-01-16 23:50:29,277 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-01-16 23:50:30,523 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-01-16 23:50:33,441 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2020-01-16 23:50:34,148 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2020-01-16 23:50:35,432 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-01-16 23:50:36,691 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2020-01-16 23:50:37,390 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-01-16 23:50:38,170 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 51 [2020-01-16 23:50:38,886 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2020-01-16 23:50:39,681 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2020-01-16 23:50:40,420 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 50 [2020-01-16 23:50:41,184 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 54 [2020-01-16 23:50:42,427 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-01-16 23:50:43,944 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2020-01-16 23:50:44,668 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2020-01-16 23:50:45,981 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2020-01-16 23:50:47,252 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2020-01-16 23:50:48,000 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2020-01-16 23:50:48,721 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2020-01-16 23:50:50,206 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-01-16 23:50:51,569 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 54 [2020-01-16 23:50:52,323 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2020-01-16 23:50:53,145 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2020-01-16 23:50:53,878 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2020-01-16 23:50:54,653 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2020-01-16 23:50:56,147 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2020-01-16 23:50:57,349 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2020-01-16 23:50:58,042 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2020-01-16 23:50:58,698 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2020-01-16 23:50:59,484 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 53 [2020-01-16 23:51:00,249 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2020-01-16 23:51:01,055 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 54 [2020-01-16 23:51:01,727 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2020-01-16 23:51:02,375 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2020-01-16 23:51:03,332 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2020-01-16 23:51:04,203 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2020-01-16 23:51:06,415 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-01-16 23:51:09,292 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-01-16 23:51:09,930 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2020-01-16 23:51:11,471 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-01-16 23:51:12,409 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2020-01-16 23:51:14,239 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-01-16 23:51:14,843 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-01-16 23:51:15,502 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2020-01-16 23:51:16,192 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2020-01-16 23:51:16,944 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-01-16 23:51:18,187 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-01-16 23:51:18,836 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-01-16 23:51:20,195 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2020-01-16 23:51:20,898 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-01-16 23:51:21,543 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-01-16 23:51:22,284 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 51 [2020-01-16 23:51:25,029 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2020-01-16 23:51:25,725 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-01-16 23:51:27,324 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-01-16 23:51:28,323 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2020-01-16 23:51:28,946 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-01-16 23:51:29,731 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2020-01-16 23:51:30,442 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-01-16 23:51:31,126 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2020-01-16 23:51:32,902 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-01-16 23:51:33,805 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2020-01-16 23:51:34,450 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2020-01-16 23:51:35,155 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2020-01-16 23:51:35,850 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-01-16 23:51:36,500 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2020-01-16 23:51:37,253 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 51 [2020-01-16 23:51:37,872 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-01-16 23:51:38,553 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-01-16 23:51:39,297 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2020-01-16 23:51:41,060 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-01-16 23:51:43,082 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-01-16 23:51:44,930 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2020-01-16 23:51:46,861 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2020-01-16 23:51:47,509 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-01-16 23:51:48,124 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-01-16 23:51:48,852 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2020-01-16 23:51:49,522 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-01-16 23:51:50,178 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-01-16 23:51:50,820 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-01-16 23:51:51,541 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2020-01-16 23:51:52,258 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-01-16 23:51:52,916 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-01-16 23:51:53,659 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2020-01-16 23:51:56,523 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2020-01-16 23:51:57,218 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-01-16 23:51:58,525 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-01-16 23:51:59,781 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2020-01-16 23:52:00,439 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-01-16 23:52:01,179 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 50 [2020-01-16 23:52:01,905 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-01-16 23:52:02,595 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2020-01-16 23:52:05,326 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2020-01-16 23:52:05,964 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2020-01-16 23:52:06,663 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 51 [2020-01-16 23:52:07,352 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-01-16 23:52:08,105 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2020-01-16 23:52:08,880 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 51 [2020-01-16 23:52:09,532 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-01-16 23:52:10,193 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-01-16 23:52:10,924 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2020-01-16 23:52:12,441 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-01-16 23:52:14,676 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-01-16 23:52:16,556 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2020-01-16 23:52:17,197 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-01-16 23:52:18,527 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 50 [2020-01-16 23:52:19,181 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-01-16 23:52:19,825 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-01-16 23:52:20,648 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2020-01-16 23:52:21,318 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-01-16 23:52:22,028 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2020-01-16 23:52:22,726 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2020-01-16 23:52:24,067 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2020-01-16 23:52:25,476 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 51 [2020-01-16 23:52:26,192 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 47 [2020-01-16 23:52:26,909 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2020-01-16 23:52:27,746 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 54 [2020-01-16 23:52:28,496 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 51 [2020-01-16 23:52:29,211 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2020-01-16 23:52:30,780 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-01-16 23:52:32,026 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-01-16 23:52:32,727 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-01-16 23:52:33,502 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-01-16 23:52:34,277 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 54 [2020-01-16 23:52:34,961 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2020-01-16 23:52:35,708 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 54 [2020-01-16 23:52:37,268 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-01-16 23:52:39,108 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2020-01-16 23:52:39,789 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-01-16 23:52:40,536 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2020-01-16 23:52:41,228 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-01-16 23:52:41,942 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-01-16 23:52:42,752 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2020-01-16 23:52:43,373 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-01-16 23:52:45,244 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2020-01-16 23:52:46,119 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-01-16 23:52:46,847 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-01-16 23:52:47,576 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2020-01-16 23:52:48,289 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2020-01-16 23:52:48,981 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2020-01-16 23:52:49,659 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2020-01-16 23:52:50,373 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2020-01-16 23:52:51,087 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2020-01-16 23:52:51,808 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2020-01-16 23:52:52,508 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2020-01-16 23:52:53,338 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2020-01-16 23:52:54,031 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2020-01-16 23:52:54,811 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2020-01-16 23:52:55,485 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2020-01-16 23:52:56,224 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2020-01-16 23:52:56,900 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2020-01-16 23:52:57,684 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 54 [2020-01-16 23:52:58,331 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-01-16 23:52:58,954 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2020-01-16 23:52:59,697 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-01-16 23:53:00,366 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 Received shutdown request... [2020-01-16 23:53:01,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 717 states. [2020-01-16 23:53:01,064 WARN L543 AbstractCegarLoop]: Verification canceled [2020-01-16 23:53:01,069 WARN L227 ceAbstractionStarter]: Timeout [2020-01-16 23:53:01,069 INFO L202 PluginConnector]: Adding new model example_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.01 11:53:01 BasicIcfg [2020-01-16 23:53:01,069 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-01-16 23:53:01,070 INFO L168 Benchmark]: Toolchain (without parser) took 806676.88 ms. Allocated memory was 144.7 MB in the beginning and 2.6 GB in the end (delta: 2.5 GB). Free memory was 119.7 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 824.2 MB. Max. memory is 7.1 GB. [2020-01-16 23:53:01,071 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-01-16 23:53:01,071 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.97 ms. Allocated memory is still 144.7 MB. Free memory was 119.5 MB in the beginning and 117.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2020-01-16 23:53:01,071 INFO L168 Benchmark]: Boogie Preprocessor took 19.84 ms. Allocated memory is still 144.7 MB. Free memory was 117.9 MB in the beginning and 116.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2020-01-16 23:53:01,071 INFO L168 Benchmark]: RCFGBuilder took 391.28 ms. Allocated memory is still 144.7 MB. Free memory was 116.8 MB in the beginning and 103.6 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. [2020-01-16 23:53:01,072 INFO L168 Benchmark]: TraceAbstraction took 806226.31 ms. Allocated memory was 144.7 MB in the beginning and 2.6 GB in the end (delta: 2.5 GB). Free memory was 103.2 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 807.7 MB. Max. memory is 7.1 GB. [2020-01-16 23:53:01,073 INFO L335 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 0.13 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 34.97 ms. Allocated memory is still 144.7 MB. Free memory was 119.5 MB in the beginning and 117.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 19.84 ms. Allocated memory is still 144.7 MB. Free memory was 117.9 MB in the beginning and 116.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 391.28 ms. Allocated memory is still 144.7 MB. Free memory was 116.8 MB in the beginning and 103.6 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 806226.31 ms. Allocated memory was 144.7 MB in the beginning and 2.6 GB in the end (delta: 2.5 GB). Free memory was 103.2 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 807.7 MB. 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 1194 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. Result: TIMEOUT, OverallTime: 805.9s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 654.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 839 SDtfs, 1338 SDslu, 165171 SDs, 0 SdLazy, 228848 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 193.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1726 GetRequests, 526 SyntacticMatches, 0 SemanticMatches, 1199 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 347152 ImplicationChecksByTransitivity, 553.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred 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: 0.6s AutomataMinimizationTime, 7 MinimizatonAttempts, 16 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 264 NumberOfCodeBlocks, 264 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 256 ConstructedInterpolants, 0 QuantifiedInterpolants, 35680 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