/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 00:19:08,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 00:19:08,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 00:19:08,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-12 00:19:08,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-12 00:19:08,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-12 00:19:08,529 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-12 00:19:08,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-12 00:19:08,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-12 00:19:08,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-12 00:19:08,537 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-12 00:19:08,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-12 00:19:08,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-12 00:19:08,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-12 00:19:08,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-12 00:19:08,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-12 00:19:08,555 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-12 00:19:08,569 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-SemanticLbe.epf [2021-03-12 00:19:08,611 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 00:19:08,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 00:19:08,615 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 00:19:08,615 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 00:19:08,615 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 00:19:08,615 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 00:19:08,616 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 00:19:08,616 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 00:19:08,616 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 00:19:08,616 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 00:19:08,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 00:19:08,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 00:19:08,617 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 00:19:08,617 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 00:19:08,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 00:19:08,618 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 00:19:08,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 00:19:08,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 00:19:08,618 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 00:19:08,619 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 00:19:08,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 00:19:08,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 00:19:08,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 00:19:08,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 00:19:08,620 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 00:19:08,620 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 00:19:08,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 00:19:08,620 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-12 00:19:08,620 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 00:19:08,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 00:19:08,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 00:19:08,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 00:19:08,962 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-12 00:19:08,963 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-12 00:19:08,963 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-2.wvr.bpl [2021-03-12 00:19:08,964 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-2.wvr.bpl' [2021-03-12 00:19:09,002 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 00:19:09,007 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-12 00:19:09,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 00:19:09,008 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 00:19:09,008 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 00:19:09,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 12:19:09" (1/1) ... [2021-03-12 00:19:09,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 12:19:09" (1/1) ... [2021-03-12 00:19:09,035 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 00:19:09,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 00:19:09,037 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 00:19:09,037 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 00:19:09,043 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 12:19:09" (1/1) ... [2021-03-12 00:19:09,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 12:19:09" (1/1) ... [2021-03-12 00:19:09,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 12:19:09" (1/1) ... [2021-03-12 00:19:09,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 12:19:09" (1/1) ... [2021-03-12 00:19:09,045 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 12:19:09" (1/1) ... [2021-03-12 00:19:09,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 12:19:09" (1/1) ... [2021-03-12 00:19:09,048 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 12:19:09" (1/1) ... [2021-03-12 00:19:09,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 00:19:09,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 00:19:09,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 00:19:09,049 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 00:19:09,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 12:19:09" (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 [2021-03-12 00:19:09,119 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-12 00:19:09,120 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-12 00:19:09,120 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-12 00:19:09,120 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-12 00:19:09,120 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-12 00:19:09,120 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-12 00:19:09,120 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-12 00:19:09,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 00:19:09,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 00:19:09,121 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 00:19:09,271 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 00:19:09,271 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-12 00:19:09,272 INFO L202 PluginConnector]: Adding new model misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 12:19:09 BoogieIcfgContainer [2021-03-12 00:19:09,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 00:19:09,274 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 00:19:09,274 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 00:19:09,276 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 00:19:09,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 12:19:09" (1/2) ... [2021-03-12 00:19:09,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79162f09 and model type misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 12:19:09, skipping insertion in model container [2021-03-12 00:19:09,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 12:19:09" (2/2) ... [2021-03-12 00:19:09,279 INFO L111 eAbstractionObserver]: Analyzing ICFG misc-2.wvr.bpl [2021-03-12 00:19:09,283 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 00:19:09,286 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 00:19:09,287 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 00:19:09,334 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-03-12 00:19:09,366 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-03-12 00:19:09,410 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 00:19:09,410 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-12 00:19:09,410 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 00:19:09,410 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 00:19:09,411 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 00:19:09,411 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 00:19:09,411 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 00:19:09,411 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 00:19:09,424 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 29 transitions, 74 flow [2021-03-12 00:19:09,443 INFO L129 PetriNetUnfolder]: 4/27 cut-off events. [2021-03-12 00:19:09,444 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-12 00:19:09,446 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36 conditions, 27 events. 4/27 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 54 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 21. Up to 2 conditions per place. [2021-03-12 00:19:09,446 INFO L82 GeneralOperation]: Start removeDead. Operand has 32 places, 29 transitions, 74 flow [2021-03-12 00:19:09,450 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 28 places, 25 transitions, 62 flow [2021-03-12 00:19:09,453 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-12 00:19:09,462 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 28 places, 25 transitions, 62 flow [2021-03-12 00:19:09,464 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 28 places, 25 transitions, 62 flow [2021-03-12 00:19:09,465 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 28 places, 25 transitions, 62 flow [2021-03-12 00:19:09,472 INFO L129 PetriNetUnfolder]: 4/25 cut-off events. [2021-03-12 00:19:09,472 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-12 00:19:09,473 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34 conditions, 25 events. 4/25 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 52 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 21. Up to 2 conditions per place. [2021-03-12 00:19:09,473 INFO L116 LiptonReduction]: Number of co-enabled transitions 198 [2021-03-12 00:19:10,413 INFO L131 LiptonReduction]: Checked pairs total: 192 [2021-03-12 00:19:10,413 INFO L133 LiptonReduction]: Total number of compositions: 20 [2021-03-12 00:19:10,415 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 965 [2021-03-12 00:19:10,431 INFO L129 PetriNetUnfolder]: 2/9 cut-off events. [2021-03-12 00:19:10,431 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-12 00:19:10,431 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:19:10,432 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:19:10,432 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:19:10,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:19:10,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1133943791, now seen corresponding path program 1 times [2021-03-12 00:19:10,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:19:10,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232893393] [2021-03-12 00:19:10,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:19:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:19:10,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:10,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:10,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232893393] [2021-03-12 00:19:10,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 00:19:10,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-12 00:19:10,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789824319] [2021-03-12 00:19:10,545 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 00:19:10,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:19:10,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 00:19:10,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 00:19:10,556 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 28 out of 49 [2021-03-12 00:19:10,558 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 15 places, 10 transitions, 32 flow. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:10,558 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:19:10,558 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 28 of 49 [2021-03-12 00:19:10,559 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:19:10,578 INFO L129 PetriNetUnfolder]: 5/19 cut-off events. [2021-03-12 00:19:10,578 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-03-12 00:19:10,578 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40 conditions, 19 events. 5/19 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 27 event pairs, 0 based on Foata normal form. 1/20 useless extension candidates. Maximal degree in co-relation 20. Up to 8 conditions per place. [2021-03-12 00:19:10,579 INFO L132 encePairwiseOnDemand]: 45/49 looper letters, 3 selfloop transitions, 3 changer transitions 0/12 dead transitions. [2021-03-12 00:19:10,580 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 17 places, 12 transitions, 48 flow [2021-03-12 00:19:10,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 00:19:10,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-12 00:19:10,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 91 transitions. [2021-03-12 00:19:10,589 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6190476190476191 [2021-03-12 00:19:10,589 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 91 transitions. [2021-03-12 00:19:10,589 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 91 transitions. [2021-03-12 00:19:10,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:19:10,592 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 91 transitions. [2021-03-12 00:19:10,594 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:10,597 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:10,597 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:10,599 INFO L185 Difference]: Start difference. First operand has 15 places, 10 transitions, 32 flow. Second operand 3 states and 91 transitions. [2021-03-12 00:19:10,599 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 17 places, 12 transitions, 48 flow [2021-03-12 00:19:10,601 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 13 places, 12 transitions, 40 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-12 00:19:10,602 INFO L241 Difference]: Finished difference. Result has 14 places, 12 transitions, 43 flow [2021-03-12 00:19:10,604 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=24, PETRI_DIFFERENCE_MINUEND_PLACES=11, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=10, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=7, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=43, PETRI_PLACES=14, PETRI_TRANSITIONS=12} [2021-03-12 00:19:10,604 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, -1 predicate places. [2021-03-12 00:19:10,605 INFO L480 AbstractCegarLoop]: Abstraction has has 14 places, 12 transitions, 43 flow [2021-03-12 00:19:10,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:10,605 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:19:10,605 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:19:10,605 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 00:19:10,605 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:19:10,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:19:10,606 INFO L82 PathProgramCache]: Analyzing trace with hash -832172054, now seen corresponding path program 1 times [2021-03-12 00:19:10,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:19:10,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137270850] [2021-03-12 00:19:10,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:19:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:19:10,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:10,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:10,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:10,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:10,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137270850] [2021-03-12 00:19:10,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 00:19:10,636 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 00:19:10,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801279585] [2021-03-12 00:19:10,637 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 00:19:10,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:19:10,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 00:19:10,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-12 00:19:10,638 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 49 [2021-03-12 00:19:10,638 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 14 places, 12 transitions, 43 flow. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:10,639 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:19:10,639 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 49 [2021-03-12 00:19:10,639 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:19:10,682 INFO L129 PetriNetUnfolder]: 12/36 cut-off events. [2021-03-12 00:19:10,683 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-03-12 00:19:10,683 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 36 events. 12/36 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 79 event pairs, 0 based on Foata normal form. 2/38 useless extension candidates. Maximal degree in co-relation 62. Up to 14 conditions per place. [2021-03-12 00:19:10,684 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 10 selfloop transitions, 7 changer transitions 0/22 dead transitions. [2021-03-12 00:19:10,684 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 18 places, 22 transitions, 108 flow [2021-03-12 00:19:10,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 00:19:10,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-12 00:19:10,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 145 transitions. [2021-03-12 00:19:10,686 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5918367346938775 [2021-03-12 00:19:10,686 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 145 transitions. [2021-03-12 00:19:10,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 145 transitions. [2021-03-12 00:19:10,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:19:10,687 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 145 transitions. [2021-03-12 00:19:10,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 29.0) internal successors, (145), 5 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:10,689 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 49.0) internal successors, (294), 6 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:10,689 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 49.0) internal successors, (294), 6 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:10,690 INFO L185 Difference]: Start difference. First operand has 14 places, 12 transitions, 43 flow. Second operand 5 states and 145 transitions. [2021-03-12 00:19:10,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 18 places, 22 transitions, 108 flow [2021-03-12 00:19:10,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 17 places, 22 transitions, 104 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-12 00:19:10,691 INFO L241 Difference]: Finished difference. Result has 20 places, 18 transitions, 96 flow [2021-03-12 00:19:10,691 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=13, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=7, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=96, PETRI_PLACES=20, PETRI_TRANSITIONS=18} [2021-03-12 00:19:10,692 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 5 predicate places. [2021-03-12 00:19:10,692 INFO L480 AbstractCegarLoop]: Abstraction has has 20 places, 18 transitions, 96 flow [2021-03-12 00:19:10,692 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:10,692 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:19:10,692 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:19:10,692 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 00:19:10,693 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:19:10,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:19:10,693 INFO L82 PathProgramCache]: Analyzing trace with hash -498118844, now seen corresponding path program 2 times [2021-03-12 00:19:10,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:19:10,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174529023] [2021-03-12 00:19:10,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:19:10,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:19:10,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:10,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:10,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:10,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:10,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174529023] [2021-03-12 00:19:10,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426503547] [2021-03-12 00:19:10,719 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:10,759 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 00:19:10,759 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:19:10,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-12 00:19:10,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:19:10,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:10,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:10,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:10,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:10,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:10,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:10,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:10,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:10,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:10,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:10,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:10,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:10,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:10,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-12 00:19:10,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 00:19:10,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:10,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-12 00:19:10,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 00:19:10,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:10,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:10,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:10,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:10,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:10,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:10,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:10,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:10,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:10,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:10,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:10,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:10,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:10,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:10,955 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-12 00:19:10,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:10,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:10,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:10,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:10,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:10,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:10,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:10,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:10,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:10,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:19:10,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-03-12 00:19:10,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68705468] [2021-03-12 00:19:10,965 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-12 00:19:10,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:19:10,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-12 00:19:10,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-12 00:19:10,969 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 49 [2021-03-12 00:19:10,971 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 18 transitions, 96 flow. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:10,971 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:19:10,971 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 49 [2021-03-12 00:19:10,971 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:19:11,011 INFO L129 PetriNetUnfolder]: 10/33 cut-off events. [2021-03-12 00:19:11,011 INFO L130 PetriNetUnfolder]: For 36/40 co-relation queries the response was YES. [2021-03-12 00:19:11,012 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 33 events. 10/33 cut-off events. For 36/40 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 70 event pairs, 1 based on Foata normal form. 2/35 useless extension candidates. Maximal degree in co-relation 83. Up to 17 conditions per place. [2021-03-12 00:19:11,012 INFO L132 encePairwiseOnDemand]: 45/49 looper letters, 9 selfloop transitions, 6 changer transitions 3/22 dead transitions. [2021-03-12 00:19:11,012 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 22 transitions, 156 flow [2021-03-12 00:19:11,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 00:19:11,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-12 00:19:11,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 78 transitions. [2021-03-12 00:19:11,014 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.3979591836734694 [2021-03-12 00:19:11,014 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 78 transitions. [2021-03-12 00:19:11,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 78 transitions. [2021-03-12 00:19:11,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:19:11,015 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 78 transitions. [2021-03-12 00:19:11,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:11,016 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 49.0) internal successors, (245), 5 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:11,017 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 49.0) internal successors, (245), 5 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:11,017 INFO L185 Difference]: Start difference. First operand has 20 places, 18 transitions, 96 flow. Second operand 4 states and 78 transitions. [2021-03-12 00:19:11,017 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 22 transitions, 156 flow [2021-03-12 00:19:11,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 22 transitions, 156 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-12 00:19:11,019 INFO L241 Difference]: Finished difference. Result has 24 places, 17 transitions, 113 flow [2021-03-12 00:19:11,019 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=113, PETRI_PLACES=24, PETRI_TRANSITIONS=17} [2021-03-12 00:19:11,020 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 9 predicate places. [2021-03-12 00:19:11,020 INFO L480 AbstractCegarLoop]: Abstraction has has 24 places, 17 transitions, 113 flow [2021-03-12 00:19:11,020 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:11,020 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:19:11,020 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:19:11,231 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-03-12 00:19:11,231 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:19:11,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:19:11,232 INFO L82 PathProgramCache]: Analyzing trace with hash -773126292, now seen corresponding path program 1 times [2021-03-12 00:19:11,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:19:11,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448237409] [2021-03-12 00:19:11,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:19:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:19:11,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:11,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:11,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:11,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:11,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448237409] [2021-03-12 00:19:11,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 00:19:11,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 00:19:11,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244810067] [2021-03-12 00:19:11,274 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 00:19:11,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:19:11,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 00:19:11,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-12 00:19:11,275 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 49 [2021-03-12 00:19:11,275 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 17 transitions, 113 flow. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:11,275 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:19:11,275 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 49 [2021-03-12 00:19:11,275 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:19:11,323 INFO L129 PetriNetUnfolder]: 11/39 cut-off events. [2021-03-12 00:19:11,323 INFO L130 PetriNetUnfolder]: For 68/71 co-relation queries the response was YES. [2021-03-12 00:19:11,325 INFO L84 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 39 events. 11/39 cut-off events. For 68/71 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 101 event pairs, 0 based on Foata normal form. 5/44 useless extension candidates. Maximal degree in co-relation 112. Up to 17 conditions per place. [2021-03-12 00:19:11,326 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 13 selfloop transitions, 7 changer transitions 1/26 dead transitions. [2021-03-12 00:19:11,326 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 26 transitions, 208 flow [2021-03-12 00:19:11,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 00:19:11,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-12 00:19:11,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 145 transitions. [2021-03-12 00:19:11,332 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5918367346938775 [2021-03-12 00:19:11,332 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 145 transitions. [2021-03-12 00:19:11,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 145 transitions. [2021-03-12 00:19:11,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:19:11,334 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 145 transitions. [2021-03-12 00:19:11,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 29.0) internal successors, (145), 5 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:11,339 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 49.0) internal successors, (294), 6 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:11,339 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 49.0) internal successors, (294), 6 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:11,340 INFO L185 Difference]: Start difference. First operand has 24 places, 17 transitions, 113 flow. Second operand 5 states and 145 transitions. [2021-03-12 00:19:11,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 26 transitions, 208 flow [2021-03-12 00:19:11,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 26 transitions, 186 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-03-12 00:19:11,343 INFO L241 Difference]: Finished difference. Result has 28 places, 21 transitions, 151 flow [2021-03-12 00:19:11,344 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=151, PETRI_PLACES=28, PETRI_TRANSITIONS=21} [2021-03-12 00:19:11,344 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 13 predicate places. [2021-03-12 00:19:11,344 INFO L480 AbstractCegarLoop]: Abstraction has has 28 places, 21 transitions, 151 flow [2021-03-12 00:19:11,344 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:11,344 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:19:11,345 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:19:11,345 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-12 00:19:11,345 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:19:11,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:19:11,345 INFO L82 PathProgramCache]: Analyzing trace with hash -440860542, now seen corresponding path program 2 times [2021-03-12 00:19:11,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:19:11,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009497034] [2021-03-12 00:19:11,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:19:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:19:11,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:11,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:11,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:11,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:11,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009497034] [2021-03-12 00:19:11,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 00:19:11,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 00:19:11,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19753057] [2021-03-12 00:19:11,382 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 00:19:11,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:19:11,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 00:19:11,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-12 00:19:11,384 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 49 [2021-03-12 00:19:11,384 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 21 transitions, 151 flow. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:11,384 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:19:11,384 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 49 [2021-03-12 00:19:11,384 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:19:11,438 INFO L129 PetriNetUnfolder]: 10/35 cut-off events. [2021-03-12 00:19:11,438 INFO L130 PetriNetUnfolder]: For 68/70 co-relation queries the response was YES. [2021-03-12 00:19:11,438 INFO L84 FinitePrefix]: Finished finitePrefix Result has 147 conditions, 35 events. 10/35 cut-off events. For 68/70 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 64 event pairs, 1 based on Foata normal form. 4/39 useless extension candidates. Maximal degree in co-relation 114. Up to 20 conditions per place. [2021-03-12 00:19:11,440 INFO L132 encePairwiseOnDemand]: 45/49 looper letters, 11 selfloop transitions, 5 changer transitions 0/21 dead transitions. [2021-03-12 00:19:11,440 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 21 transitions, 184 flow [2021-03-12 00:19:11,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 00:19:11,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-12 00:19:11,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 115 transitions. [2021-03-12 00:19:11,443 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5867346938775511 [2021-03-12 00:19:11,443 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 115 transitions. [2021-03-12 00:19:11,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 115 transitions. [2021-03-12 00:19:11,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:19:11,444 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 115 transitions. [2021-03-12 00:19:11,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:11,446 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 49.0) internal successors, (245), 5 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:11,446 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 49.0) internal successors, (245), 5 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:11,446 INFO L185 Difference]: Start difference. First operand has 28 places, 21 transitions, 151 flow. Second operand 4 states and 115 transitions. [2021-03-12 00:19:11,446 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 21 transitions, 184 flow [2021-03-12 00:19:11,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 21 transitions, 178 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-03-12 00:19:11,455 INFO L241 Difference]: Finished difference. Result has 31 places, 20 transitions, 153 flow [2021-03-12 00:19:11,455 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=153, PETRI_PLACES=31, PETRI_TRANSITIONS=20} [2021-03-12 00:19:11,455 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 16 predicate places. [2021-03-12 00:19:11,456 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 20 transitions, 153 flow [2021-03-12 00:19:11,457 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:11,457 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:19:11,457 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:19:11,457 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-12 00:19:11,457 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:19:11,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:19:11,459 INFO L82 PathProgramCache]: Analyzing trace with hash 1682652485, now seen corresponding path program 1 times [2021-03-12 00:19:11,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:19:11,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633940856] [2021-03-12 00:19:11,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:19:11,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:19:11,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:11,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:11,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:11,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:19:11,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633940856] [2021-03-12 00:19:11,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262523316] [2021-03-12 00:19:11,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:11,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:19:11,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-12 00:19:11,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:19:11,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:19:11,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:11,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:11,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:11,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:11,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:11,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:11,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:11,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:11,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:11,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:19:11,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:11,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:11,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:19:11,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:11,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:11,606 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-12 00:19:11,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:19:11,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:11,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:11,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:19:11,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:11,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:11,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:11,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:11,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:11,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:11,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 00:19:11,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:11,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 00:19:11,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 00:19:11,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:11,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:11,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:11,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:11,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:11,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:11,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:11,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:11,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:11,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:11,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:11,644 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:11,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:19:11,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4] total 6 [2021-03-12 00:19:11,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149039741] [2021-03-12 00:19:11,645 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-12 00:19:11,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:19:11,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-12 00:19:11,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-12 00:19:11,646 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 49 [2021-03-12 00:19:11,646 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 20 transitions, 153 flow. Second operand has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 7 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:11,646 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:19:11,646 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 49 [2021-03-12 00:19:11,647 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:19:11,700 INFO L129 PetriNetUnfolder]: 13/41 cut-off events. [2021-03-12 00:19:11,700 INFO L130 PetriNetUnfolder]: For 105/107 co-relation queries the response was YES. [2021-03-12 00:19:11,701 INFO L84 FinitePrefix]: Finished finitePrefix Result has 194 conditions, 41 events. 13/41 cut-off events. For 105/107 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 79 event pairs, 1 based on Foata normal form. 5/46 useless extension candidates. Maximal degree in co-relation 159. Up to 25 conditions per place. [2021-03-12 00:19:11,701 INFO L132 encePairwiseOnDemand]: 45/49 looper letters, 13 selfloop transitions, 9 changer transitions 0/26 dead transitions. [2021-03-12 00:19:11,701 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 26 transitions, 252 flow [2021-03-12 00:19:11,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 00:19:11,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-12 00:19:11,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 95 transitions. [2021-03-12 00:19:11,702 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.3877551020408163 [2021-03-12 00:19:11,703 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 95 transitions. [2021-03-12 00:19:11,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 95 transitions. [2021-03-12 00:19:11,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:19:11,703 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 95 transitions. [2021-03-12 00:19:11,703 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:11,704 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 49.0) internal successors, (294), 6 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:11,704 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 49.0) internal successors, (294), 6 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:11,704 INFO L185 Difference]: Start difference. First operand has 31 places, 20 transitions, 153 flow. Second operand 5 states and 95 transitions. [2021-03-12 00:19:11,704 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 26 transitions, 252 flow [2021-03-12 00:19:11,706 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 26 transitions, 233 flow, removed 6 selfloop flow, removed 2 redundant places. [2021-03-12 00:19:11,707 INFO L241 Difference]: Finished difference. Result has 35 places, 24 transitions, 207 flow [2021-03-12 00:19:11,707 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=207, PETRI_PLACES=35, PETRI_TRANSITIONS=24} [2021-03-12 00:19:11,707 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 20 predicate places. [2021-03-12 00:19:11,707 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 24 transitions, 207 flow [2021-03-12 00:19:11,708 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 7 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:11,708 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:19:11,708 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:19:11,932 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:11,932 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:19:11,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:19:11,933 INFO L82 PathProgramCache]: Analyzing trace with hash -488960255, now seen corresponding path program 2 times [2021-03-12 00:19:11,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:19:11,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074219351] [2021-03-12 00:19:11,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:19:11,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:19:11,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:11,959 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-12 00:19:11,964 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-12 00:19:11,978 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-12 00:19:11,979 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-12 00:19:11,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:11,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:11,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:11,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074219351] [2021-03-12 00:19:11,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766468617] [2021-03-12 00:19:11,992 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:12,016 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 00:19:12,016 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:19:12,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-12 00:19:12,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:19:12,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:12,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:12,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:12,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:12,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:12,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:12,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:12,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:12,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:12,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:12,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:12,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:12,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:12,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:12,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:12,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:12,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:19:12,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:12,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:12,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:12,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:12,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:12,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:12,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:12,061 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-12 00:19:12,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:19:12,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:12,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:19:12,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:12,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:12,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:12,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:12,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:12,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:12,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:12,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:12,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:12,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:12,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:19:12,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 5 [2021-03-12 00:19:12,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457866562] [2021-03-12 00:19:12,086 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-12 00:19:12,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:19:12,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-12 00:19:12,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-12 00:19:12,088 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 49 [2021-03-12 00:19:12,088 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 24 transitions, 207 flow. Second operand has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 6 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:12,088 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:19:12,088 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 49 [2021-03-12 00:19:12,088 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:19:12,152 INFO L129 PetriNetUnfolder]: 15/46 cut-off events. [2021-03-12 00:19:12,152 INFO L130 PetriNetUnfolder]: For 146/146 co-relation queries the response was YES. [2021-03-12 00:19:12,153 INFO L84 FinitePrefix]: Finished finitePrefix Result has 237 conditions, 46 events. 15/46 cut-off events. For 146/146 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 92 event pairs, 1 based on Foata normal form. 3/49 useless extension candidates. Maximal degree in co-relation 203. Up to 23 conditions per place. [2021-03-12 00:19:12,153 INFO L132 encePairwiseOnDemand]: 45/49 looper letters, 14 selfloop transitions, 10 changer transitions 0/29 dead transitions. [2021-03-12 00:19:12,153 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 29 transitions, 303 flow [2021-03-12 00:19:12,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 00:19:12,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-12 00:19:12,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 144 transitions. [2021-03-12 00:19:12,154 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5877551020408164 [2021-03-12 00:19:12,154 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 144 transitions. [2021-03-12 00:19:12,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 144 transitions. [2021-03-12 00:19:12,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:19:12,155 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 144 transitions. [2021-03-12 00:19:12,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:12,156 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 49.0) internal successors, (294), 6 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:12,156 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 49.0) internal successors, (294), 6 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:12,156 INFO L185 Difference]: Start difference. First operand has 35 places, 24 transitions, 207 flow. Second operand 5 states and 144 transitions. [2021-03-12 00:19:12,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 29 transitions, 303 flow [2021-03-12 00:19:12,158 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 29 transitions, 284 flow, removed 8 selfloop flow, removed 1 redundant places. [2021-03-12 00:19:12,158 INFO L241 Difference]: Finished difference. Result has 39 places, 26 transitions, 241 flow [2021-03-12 00:19:12,159 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=241, PETRI_PLACES=39, PETRI_TRANSITIONS=26} [2021-03-12 00:19:12,159 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 24 predicate places. [2021-03-12 00:19:12,159 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 26 transitions, 241 flow [2021-03-12 00:19:12,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 6 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:12,159 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:19:12,159 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:19:12,382 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:12,383 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:19:12,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:19:12,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1064291280, now seen corresponding path program 3 times [2021-03-12 00:19:12,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:19:12,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600601889] [2021-03-12 00:19:12,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:19:12,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:19:12,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:12,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:12,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:12,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:12,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:12,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:12,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600601889] [2021-03-12 00:19:12,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100546483] [2021-03-12 00:19:12,429 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:12,448 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-12 00:19:12,449 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:19:12,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-12 00:19:12,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:19:12,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:12,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:12,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:12,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-12 00:19:12,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:12,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:12,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:12,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:12,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:12,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:12,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:12,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:12,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:12,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:12,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:12,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:12,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:19:12,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:12,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:12,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:19:12,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:12,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:12,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:12,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 00:19:12,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-12 00:19:12,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:12,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 00:19:12,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-12 00:19:12,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:12,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:12,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:12,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:12,487 INFO L142 QuantifierPusher]: treesize reduction 10, result has 79.2 percent of original size [2021-03-12 00:19:12,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:12,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 00:19:12,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 00:19:12,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:12,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 00:19:12,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 00:19:12,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:12,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:12,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:12,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:12,501 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-12 00:19:12,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:12,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:12,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:12,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:12,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:12,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:12,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:12,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:12,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:12,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:12,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:12,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:12,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:12,509 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:12,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:19:12,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-03-12 00:19:12,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755829122] [2021-03-12 00:19:12,509 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-12 00:19:12,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:19:12,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-12 00:19:12,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-12 00:19:12,510 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 49 [2021-03-12 00:19:12,511 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 26 transitions, 241 flow. Second operand has 6 states, 6 states have (on average 27.0) internal successors, (162), 6 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:12,511 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:19:12,511 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 49 [2021-03-12 00:19:12,511 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:19:12,602 INFO L129 PetriNetUnfolder]: 27/90 cut-off events. [2021-03-12 00:19:12,602 INFO L130 PetriNetUnfolder]: For 353/353 co-relation queries the response was YES. [2021-03-12 00:19:12,604 INFO L84 FinitePrefix]: Finished finitePrefix Result has 461 conditions, 90 events. 27/90 cut-off events. For 353/353 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 324 event pairs, 2 based on Foata normal form. 6/96 useless extension candidates. Maximal degree in co-relation 411. Up to 33 conditions per place. [2021-03-12 00:19:12,605 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 19 selfloop transitions, 21 changer transitions 0/45 dead transitions. [2021-03-12 00:19:12,605 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 45 transitions, 525 flow [2021-03-12 00:19:12,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 00:19:12,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-12 00:19:12,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 177 transitions. [2021-03-12 00:19:12,607 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6020408163265306 [2021-03-12 00:19:12,607 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 177 transitions. [2021-03-12 00:19:12,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 177 transitions. [2021-03-12 00:19:12,607 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:19:12,607 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 177 transitions. [2021-03-12 00:19:12,608 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 29.5) internal successors, (177), 6 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:12,608 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 49.0) internal successors, (343), 7 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:12,608 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 49.0) internal successors, (343), 7 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:12,608 INFO L185 Difference]: Start difference. First operand has 39 places, 26 transitions, 241 flow. Second operand 6 states and 177 transitions. [2021-03-12 00:19:12,608 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 45 transitions, 525 flow [2021-03-12 00:19:12,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 45 transitions, 495 flow, removed 8 selfloop flow, removed 3 redundant places. [2021-03-12 00:19:12,613 INFO L241 Difference]: Finished difference. Result has 45 places, 41 transitions, 468 flow [2021-03-12 00:19:12,613 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=217, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=468, PETRI_PLACES=45, PETRI_TRANSITIONS=41} [2021-03-12 00:19:12,614 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 30 predicate places. [2021-03-12 00:19:12,614 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 41 transitions, 468 flow [2021-03-12 00:19:12,614 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 27.0) internal successors, (162), 6 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:12,614 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:19:12,614 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:19:12,827 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:12,827 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:19:12,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:19:12,828 INFO L82 PathProgramCache]: Analyzing trace with hash -1964829004, now seen corresponding path program 4 times [2021-03-12 00:19:12,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:19:12,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658585927] [2021-03-12 00:19:12,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:19:12,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:19:12,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:12,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:12,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:12,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:12,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:12,878 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:12,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658585927] [2021-03-12 00:19:12,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544532941] [2021-03-12 00:19:12,879 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:12,897 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 00:19:12,897 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:19:12,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-12 00:19:12,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:19:12,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:12,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:12,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:12,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-12 00:19:12,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:12,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:12,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:12,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:12,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:12,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:12,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:12,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:12,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:19:12,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:12,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:12,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:19:12,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:12,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:12,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:12,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:12,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:12,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:12,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:12,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:19:12,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:12,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:12,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:19:12,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:12,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:12,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:12,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:12,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:12,943 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-03-12 00:19:12,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:19:12,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:12,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:19:12,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 00:19:12,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:12,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:12,950 INFO L142 QuantifierPusher]: treesize reduction 35, result has 2.8 percent of original size [2021-03-12 00:19:12,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:12,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:12,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:12,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:12,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:12,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:12,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:12,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:12,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:12,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:12,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:12,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:12,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:12,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:12,957 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:12,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:19:12,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 5 [2021-03-12 00:19:12,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446876829] [2021-03-12 00:19:12,958 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-12 00:19:12,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:19:12,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-12 00:19:12,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-12 00:19:12,959 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 49 [2021-03-12 00:19:12,959 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 41 transitions, 468 flow. Second operand has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 6 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:12,959 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:19:12,959 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 49 [2021-03-12 00:19:12,959 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:19:13,039 INFO L129 PetriNetUnfolder]: 25/80 cut-off events. [2021-03-12 00:19:13,039 INFO L130 PetriNetUnfolder]: For 512/514 co-relation queries the response was YES. [2021-03-12 00:19:13,040 INFO L84 FinitePrefix]: Finished finitePrefix Result has 493 conditions, 80 events. 25/80 cut-off events. For 512/514 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 261 event pairs, 0 based on Foata normal form. 4/84 useless extension candidates. Maximal degree in co-relation 444. Up to 30 conditions per place. [2021-03-12 00:19:13,041 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 22 selfloop transitions, 22 changer transitions 0/49 dead transitions. [2021-03-12 00:19:13,041 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 49 transitions, 668 flow [2021-03-12 00:19:13,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 00:19:13,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-12 00:19:13,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 229 transitions. [2021-03-12 00:19:13,042 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5841836734693877 [2021-03-12 00:19:13,042 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 229 transitions. [2021-03-12 00:19:13,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 229 transitions. [2021-03-12 00:19:13,042 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:19:13,042 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 229 transitions. [2021-03-12 00:19:13,043 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 28.625) internal successors, (229), 8 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:13,044 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 49.0) internal successors, (441), 9 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:13,044 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 49.0) internal successors, (441), 9 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:13,044 INFO L185 Difference]: Start difference. First operand has 45 places, 41 transitions, 468 flow. Second operand 8 states and 229 transitions. [2021-03-12 00:19:13,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 49 transitions, 668 flow [2021-03-12 00:19:13,048 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 49 transitions, 610 flow, removed 29 selfloop flow, removed 0 redundant places. [2021-03-12 00:19:13,049 INFO L241 Difference]: Finished difference. Result has 54 places, 46 transitions, 551 flow [2021-03-12 00:19:13,050 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=395, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=551, PETRI_PLACES=54, PETRI_TRANSITIONS=46} [2021-03-12 00:19:13,050 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 39 predicate places. [2021-03-12 00:19:13,050 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 46 transitions, 551 flow [2021-03-12 00:19:13,051 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 6 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:13,051 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:19:13,051 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:19:13,274 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:13,274 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:19:13,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:19:13,274 INFO L82 PathProgramCache]: Analyzing trace with hash 315043760, now seen corresponding path program 5 times [2021-03-12 00:19:13,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:19:13,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100402410] [2021-03-12 00:19:13,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:19:13,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:19:13,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:13,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:13,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:13,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:13,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:13,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:13,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100402410] [2021-03-12 00:19:13,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1134422453] [2021-03-12 00:19:13,326 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:13,360 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 00:19:13,360 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:19:13,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-12 00:19:13,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:19:13,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:13,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:13,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:13,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:13,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:13,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:13,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:13,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:13,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:13,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:13,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:13,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:13,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:13,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:13,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-12 00:19:13,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:13,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:13,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-12 00:19:13,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:13,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:13,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:13,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:13,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:13,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:13,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:13,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:13,419 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-12 00:19:13,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:19:13,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:13,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:19:13,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 00:19:13,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:13,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:13,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:13,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:13,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:19:13,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:13,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:13,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:19:13,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:13,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:13,438 INFO L142 QuantifierPusher]: treesize reduction 35, result has 2.8 percent of original size [2021-03-12 00:19:13,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:13,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:13,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:13,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:13,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:13,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:13,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:13,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:13,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:13,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:13,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:13,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:13,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:13,446 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:13,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:19:13,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-03-12 00:19:13,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747942246] [2021-03-12 00:19:13,446 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-12 00:19:13,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:19:13,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-12 00:19:13,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-03-12 00:19:13,447 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 49 [2021-03-12 00:19:13,448 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 46 transitions, 551 flow. Second operand has 8 states, 8 states have (on average 17.25) internal successors, (138), 8 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:13,448 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:19:13,448 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 49 [2021-03-12 00:19:13,448 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:19:13,548 INFO L129 PetriNetUnfolder]: 35/112 cut-off events. [2021-03-12 00:19:13,548 INFO L130 PetriNetUnfolder]: For 892/892 co-relation queries the response was YES. [2021-03-12 00:19:13,549 INFO L84 FinitePrefix]: Finished finitePrefix Result has 721 conditions, 112 events. 35/112 cut-off events. For 892/892 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 438 event pairs, 0 based on Foata normal form. 4/116 useless extension candidates. Maximal degree in co-relation 654. Up to 37 conditions per place. [2021-03-12 00:19:13,550 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 30 selfloop transitions, 32 changer transitions 2/68 dead transitions. [2021-03-12 00:19:13,550 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 68 transitions, 960 flow [2021-03-12 00:19:13,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 00:19:13,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-12 00:19:13,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 153 transitions. [2021-03-12 00:19:13,551 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.3903061224489796 [2021-03-12 00:19:13,551 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 153 transitions. [2021-03-12 00:19:13,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 153 transitions. [2021-03-12 00:19:13,551 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:19:13,551 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 153 transitions. [2021-03-12 00:19:13,552 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 19.125) internal successors, (153), 8 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:13,553 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 49.0) internal successors, (441), 9 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:13,553 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 49.0) internal successors, (441), 9 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:13,553 INFO L185 Difference]: Start difference. First operand has 54 places, 46 transitions, 551 flow. Second operand 8 states and 153 transitions. [2021-03-12 00:19:13,553 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 68 transitions, 960 flow [2021-03-12 00:19:13,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 68 transitions, 901 flow, removed 28 selfloop flow, removed 1 redundant places. [2021-03-12 00:19:13,561 INFO L241 Difference]: Finished difference. Result has 65 places, 60 transitions, 835 flow [2021-03-12 00:19:13,561 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=494, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=835, PETRI_PLACES=65, PETRI_TRANSITIONS=60} [2021-03-12 00:19:13,561 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 50 predicate places. [2021-03-12 00:19:13,561 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 60 transitions, 835 flow [2021-03-12 00:19:13,561 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 17.25) internal successors, (138), 8 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:13,561 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:19:13,561 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:19:13,775 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:13,776 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:19:13,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:19:13,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1930896208, now seen corresponding path program 6 times [2021-03-12 00:19:13,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:19:13,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987903064] [2021-03-12 00:19:13,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:19:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:19:13,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:13,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:13,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:13,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:13,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:13,808 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:13,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987903064] [2021-03-12 00:19:13,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985636341] [2021-03-12 00:19:13,808 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:13,838 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-12 00:19:13,838 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:19:13,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-12 00:19:13,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:19:13,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:13,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:13,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:13,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:13,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:13,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:13,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:13,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:13,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:13,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:13,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:13,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:13,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:13,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:13,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-12 00:19:13,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:13,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:13,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-12 00:19:13,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:13,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:13,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:13,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:13,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:13,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:13,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:13,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:13,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:13,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:13,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:19:13,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:13,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:13,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:19:13,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:13,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:13,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:13,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-12 00:19:13,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 00:19:13,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:13,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-12 00:19:13,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 00:19:13,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:13,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:13,925 INFO L147 QuantifierPusher]: treesize reduction 8, result has 38.5 percent of original size 5 [2021-03-12 00:19:13,926 INFO L142 QuantifierPusher]: treesize reduction 8, result has 38.5 percent of original size [2021-03-12 00:19:13,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:13,930 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-12 00:19:13,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:13,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:13,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:13,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:13,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:13,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:13,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:13,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:13,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:13,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:13,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:13,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:13,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:13,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:13,936 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:13,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:19:13,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 7 [2021-03-12 00:19:13,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342528954] [2021-03-12 00:19:13,937 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-12 00:19:13,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:19:13,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-12 00:19:13,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-03-12 00:19:13,938 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 49 [2021-03-12 00:19:13,938 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 60 transitions, 835 flow. Second operand has 8 states, 8 states have (on average 17.375) internal successors, (139), 8 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:13,938 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:19:13,938 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 49 [2021-03-12 00:19:13,939 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:19:13,996 INFO L129 PetriNetUnfolder]: 37/119 cut-off events. [2021-03-12 00:19:13,997 INFO L130 PetriNetUnfolder]: For 1426/1428 co-relation queries the response was YES. [2021-03-12 00:19:13,997 INFO L84 FinitePrefix]: Finished finitePrefix Result has 861 conditions, 119 events. 37/119 cut-off events. For 1426/1428 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 482 event pairs, 1 based on Foata normal form. 4/123 useless extension candidates. Maximal degree in co-relation 784. Up to 44 conditions per place. [2021-03-12 00:19:13,998 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 30 selfloop transitions, 38 changer transitions 0/72 dead transitions. [2021-03-12 00:19:13,998 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 72 transitions, 1149 flow [2021-03-12 00:19:14,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 00:19:14,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-12 00:19:14,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 118 transitions. [2021-03-12 00:19:14,004 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4013605442176871 [2021-03-12 00:19:14,004 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 118 transitions. [2021-03-12 00:19:14,004 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 118 transitions. [2021-03-12 00:19:14,004 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:19:14,004 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 118 transitions. [2021-03-12 00:19:14,005 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 19.666666666666668) internal successors, (118), 6 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:14,005 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 49.0) internal successors, (343), 7 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:14,005 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 49.0) internal successors, (343), 7 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:14,005 INFO L185 Difference]: Start difference. First operand has 65 places, 60 transitions, 835 flow. Second operand 6 states and 118 transitions. [2021-03-12 00:19:14,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 72 transitions, 1149 flow [2021-03-12 00:19:14,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 72 transitions, 1082 flow, removed 32 selfloop flow, removed 1 redundant places. [2021-03-12 00:19:14,017 INFO L241 Difference]: Finished difference. Result has 72 places, 65 transitions, 997 flow [2021-03-12 00:19:14,018 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=997, PETRI_PLACES=72, PETRI_TRANSITIONS=65} [2021-03-12 00:19:14,018 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 57 predicate places. [2021-03-12 00:19:14,018 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 65 transitions, 997 flow [2021-03-12 00:19:14,018 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 17.375) internal successors, (139), 8 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:14,018 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:19:14,018 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:19:14,231 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:14,231 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:19:14,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:19:14,232 INFO L82 PathProgramCache]: Analyzing trace with hash -449942257, now seen corresponding path program 7 times [2021-03-12 00:19:14,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:19:14,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69133448] [2021-03-12 00:19:14,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:19:14,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:19:14,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:14,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 00:19:14,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:14,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 00:19:14,294 INFO L142 QuantifierPusher]: treesize reduction 30, result has 23.1 percent of original size [2021-03-12 00:19:14,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:14,297 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-12 00:19:14,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69133448] [2021-03-12 00:19:14,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1462789653] [2021-03-12 00:19:14,297 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-12 00:19:14,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:19:14,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 7 conjunts are in the unsatisfiable core Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:14,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:19:14,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:14,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:14,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:14,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:14,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:14,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:14,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:14,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:14,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:14,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-12 00:19:14,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 00:19:14,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:14,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-12 00:19:14,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 00:19:14,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:14,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:19:14,373 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 1] term [2021-03-12 00:19:14,373 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:19:14,376 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 00:19:14,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 00:19:14,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:14,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:19:14,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:19:14,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:14,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:19:14,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:19:14,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:14,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:19:14,395 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 00:19:14,395 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:19:14,397 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:14,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:14,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:14,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:14,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:14,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:14,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:14,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:14,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:14,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:14,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:14,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:14,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-12 00:19:14,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:14,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:14,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-12 00:19:14,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:14,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:19:14,418 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:19:14,418 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:19:14,419 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-12 00:19:14,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-12 00:19:14,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:14,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-12 00:19:14,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-12 00:19:14,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:14,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-12 00:19:14,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-12 00:19:14,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:14,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:14,454 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2021-03-12 00:19:14,454 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:19:14,459 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:14,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:14,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:14,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:14,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:14,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:14,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:14,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:14,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:14,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:14,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:14,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:14,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:14,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:14,474 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-12 00:19:14,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:19:14,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-03-12 00:19:14,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140265905] [2021-03-12 00:19:14,476 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-12 00:19:14,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:19:14,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-12 00:19:14,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-12 00:19:14,477 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 49 [2021-03-12 00:19:14,477 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 65 transitions, 997 flow. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:14,477 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:19:14,477 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 49 [2021-03-12 00:19:14,477 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:19:14,531 INFO L129 PetriNetUnfolder]: 57/193 cut-off events. [2021-03-12 00:19:14,531 INFO L130 PetriNetUnfolder]: For 2658/2660 co-relation queries the response was YES. [2021-03-12 00:19:14,532 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1456 conditions, 193 events. 57/193 cut-off events. For 2658/2660 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1010 event pairs, 4 based on Foata normal form. 6/199 useless extension candidates. Maximal degree in co-relation 1349. Up to 94 conditions per place. [2021-03-12 00:19:14,534 INFO L132 encePairwiseOnDemand]: 45/49 looper letters, 62 selfloop transitions, 36 changer transitions 0/102 dead transitions. [2021-03-12 00:19:14,534 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 102 transitions, 1756 flow [2021-03-12 00:19:14,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 00:19:14,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-12 00:19:14,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 76 transitions. [2021-03-12 00:19:14,535 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.31020408163265306 [2021-03-12 00:19:14,535 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 76 transitions. [2021-03-12 00:19:14,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 76 transitions. [2021-03-12 00:19:14,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:19:14,536 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 76 transitions. [2021-03-12 00:19:14,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:14,537 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 49.0) internal successors, (294), 6 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:14,537 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 49.0) internal successors, (294), 6 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:14,537 INFO L185 Difference]: Start difference. First operand has 72 places, 65 transitions, 997 flow. Second operand 5 states and 76 transitions. [2021-03-12 00:19:14,537 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 102 transitions, 1756 flow [2021-03-12 00:19:14,548 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 102 transitions, 1688 flow, removed 19 selfloop flow, removed 4 redundant places. [2021-03-12 00:19:14,550 INFO L241 Difference]: Finished difference. Result has 75 places, 91 transitions, 1481 flow [2021-03-12 00:19:14,550 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=951, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1481, PETRI_PLACES=75, PETRI_TRANSITIONS=91} [2021-03-12 00:19:14,550 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 60 predicate places. [2021-03-12 00:19:14,550 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 91 transitions, 1481 flow [2021-03-12 00:19:14,551 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:14,551 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:19:14,551 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:19:14,767 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-03-12 00:19:14,767 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:19:14,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:19:14,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1335630899, now seen corresponding path program 8 times [2021-03-12 00:19:14,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:19:14,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488828154] [2021-03-12 00:19:14,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:19:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:19:14,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:14,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 00:19:14,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:19:14,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 00:19:14,884 INFO L142 QuantifierPusher]: treesize reduction 30, result has 23.1 percent of original size [2021-03-12 00:19:14,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:14,887 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:19:14,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488828154] [2021-03-12 00:19:14,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1981790124] [2021-03-12 00:19:14,887 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:14,911 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 00:19:14,911 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:19:14,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-12 00:19:14,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:19:14,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:14,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:14,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:14,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:14,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:14,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:14,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:14,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:14,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:14,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-12 00:19:14,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 00:19:14,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:14,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-12 00:19:14,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 00:19:14,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:14,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:19:14,935 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 1] term [2021-03-12 00:19:14,935 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:19:14,936 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 00:19:14,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 00:19:14,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 00:19:14,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 00:19:14,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 00:19:14,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 00:19:14,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:14,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-12 00:19:14,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-12 00:19:14,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:14,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-12 00:19:14,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-12 00:19:14,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:14,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:19:14,950 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 00:19:14,951 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:19:14,954 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-12 00:19:14,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-12 00:19:14,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:14,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:14,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-03-12 00:19:14,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-03-12 00:19:15,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:15,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-03-12 00:19:15,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-03-12 00:19:15,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:15,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:19:15,012 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 1] term [2021-03-12 00:19:15,012 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:19:15,013 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-12 00:19:15,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-12 00:19:15,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:15,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-12 00:19:15,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-12 00:19:15,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:15,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-12 00:19:15,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-12 00:19:15,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:15,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:15,048 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2021-03-12 00:19:15,048 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:19:15,049 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:15,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:15,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:15,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:15,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:15,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:15,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:15,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:15,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:15,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:15,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:15,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:15,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:15,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:15,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:15,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:15,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:15,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:15,061 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:19:15,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:19:15,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-03-12 00:19:15,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667103000] [2021-03-12 00:19:15,062 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-12 00:19:15,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:19:15,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-12 00:19:15,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-12 00:19:15,063 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 49 [2021-03-12 00:19:15,063 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 91 transitions, 1481 flow. Second operand has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:15,063 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:19:15,063 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 49 [2021-03-12 00:19:15,063 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:19:15,203 INFO L129 PetriNetUnfolder]: 124/433 cut-off events. [2021-03-12 00:19:15,203 INFO L130 PetriNetUnfolder]: For 5187/5189 co-relation queries the response was YES. [2021-03-12 00:19:15,206 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3254 conditions, 433 events. 124/433 cut-off events. For 5187/5189 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 3003 event pairs, 7 based on Foata normal form. 10/443 useless extension candidates. Maximal degree in co-relation 3032. Up to 153 conditions per place. [2021-03-12 00:19:15,209 INFO L132 encePairwiseOnDemand]: 45/49 looper letters, 54 selfloop transitions, 154 changer transitions 7/219 dead transitions. [2021-03-12 00:19:15,209 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 219 transitions, 3964 flow [2021-03-12 00:19:15,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 00:19:15,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-12 00:19:15,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 87 transitions. [2021-03-12 00:19:15,211 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.29591836734693877 [2021-03-12 00:19:15,211 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 87 transitions. [2021-03-12 00:19:15,211 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 87 transitions. [2021-03-12 00:19:15,211 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:19:15,211 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 87 transitions. [2021-03-12 00:19:15,211 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:15,212 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 49.0) internal successors, (343), 7 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:15,212 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 49.0) internal successors, (343), 7 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:15,212 INFO L185 Difference]: Start difference. First operand has 75 places, 91 transitions, 1481 flow. Second operand 6 states and 87 transitions. [2021-03-12 00:19:15,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 219 transitions, 3964 flow [2021-03-12 00:19:15,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 219 transitions, 3928 flow, removed 18 selfloop flow, removed 0 redundant places. [2021-03-12 00:19:15,238 INFO L241 Difference]: Finished difference. Result has 81 places, 174 transitions, 3113 flow [2021-03-12 00:19:15,238 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=1445, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=70, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3113, PETRI_PLACES=81, PETRI_TRANSITIONS=174} [2021-03-12 00:19:15,238 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 66 predicate places. [2021-03-12 00:19:15,238 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 174 transitions, 3113 flow [2021-03-12 00:19:15,238 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:15,238 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:19:15,239 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:19:15,454 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-03-12 00:19:15,454 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:19:15,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:19:15,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1050171328, now seen corresponding path program 9 times [2021-03-12 00:19:15,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:19:15,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930201249] [2021-03-12 00:19:15,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:19:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:19:15,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:15,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:15,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:15,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:15,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:19:15,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:19:15,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:15,532 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:15,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930201249] [2021-03-12 00:19:15,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1167534544] [2021-03-12 00:19:15,532 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:15,556 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-12 00:19:15,556 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:19:15,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-12 00:19:15,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:19:15,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:15,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:15,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:15,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-12 00:19:15,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:15,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:15,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:15,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:15,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:15,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:15,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:15,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:15,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:19:15,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:15,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:15,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:19:15,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:15,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:15,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:15,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:15,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:19:15,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:15,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:15,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:19:15,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:15,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:15,579 INFO L142 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size [2021-03-12 00:19:15,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:15,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:15,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:15,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:19:15,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:15,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:15,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:15,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:15,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:15,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:15,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:15,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-12 00:19:15,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-12 00:19:15,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:15,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-12 00:19:15,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-12 00:19:15,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:15,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:15,597 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 00:19:15,597 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:19:15,598 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 00:19:15,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 00:19:15,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:15,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-12 00:19:15,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:19:15,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:15,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-12 00:19:15,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:19:15,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:15,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:15,631 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:19:15,631 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:19:15,633 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,634 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:19:15,636 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:19:15,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:19:15,657 INFO L142 QuantifierPusher]: treesize reduction 52, result has 1.9 percent of original size [2021-03-12 00:19:15,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:15,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:15,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:15,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:15,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:15,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:15,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:15,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:15,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:15,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:15,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:15,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:15,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:15,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:15,664 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:15,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:19:15,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-03-12 00:19:15,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145028207] [2021-03-12 00:19:15,665 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-12 00:19:15,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:19:15,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-12 00:19:15,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-03-12 00:19:15,666 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 49 [2021-03-12 00:19:15,666 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 174 transitions, 3113 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:15,666 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:19:15,666 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 49 [2021-03-12 00:19:15,666 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:19:15,942 INFO L129 PetriNetUnfolder]: 234/859 cut-off events. [2021-03-12 00:19:15,942 INFO L130 PetriNetUnfolder]: For 12217/12217 co-relation queries the response was YES. [2021-03-12 00:19:15,947 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6774 conditions, 859 events. 234/859 cut-off events. For 12217/12217 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 7324 event pairs, 0 based on Foata normal form. 22/881 useless extension candidates. Maximal degree in co-relation 6346. Up to 309 conditions per place. [2021-03-12 00:19:15,953 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 176 selfloop transitions, 168 changer transitions 14/363 dead transitions. [2021-03-12 00:19:15,954 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 363 transitions, 7521 flow [2021-03-12 00:19:15,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 00:19:15,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-12 00:19:15,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 399 transitions. [2021-03-12 00:19:15,956 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5816326530612245 [2021-03-12 00:19:15,956 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 399 transitions. [2021-03-12 00:19:15,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 399 transitions. [2021-03-12 00:19:15,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:19:15,956 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 399 transitions. [2021-03-12 00:19:15,957 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 28.5) internal successors, (399), 14 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:15,958 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 49.0) internal successors, (735), 15 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:15,959 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 49.0) internal successors, (735), 15 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:15,959 INFO L185 Difference]: Start difference. First operand has 81 places, 174 transitions, 3113 flow. Second operand 14 states and 399 transitions. [2021-03-12 00:19:15,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 363 transitions, 7521 flow [2021-03-12 00:19:15,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 363 transitions, 7346 flow, removed 87 selfloop flow, removed 1 redundant places. [2021-03-12 00:19:16,005 INFO L241 Difference]: Finished difference. Result has 103 places, 329 transitions, 6941 flow [2021-03-12 00:19:16,006 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=3042, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=6941, PETRI_PLACES=103, PETRI_TRANSITIONS=329} [2021-03-12 00:19:16,006 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 88 predicate places. [2021-03-12 00:19:16,006 INFO L480 AbstractCegarLoop]: Abstraction has has 103 places, 329 transitions, 6941 flow [2021-03-12 00:19:16,006 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:16,006 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:19:16,007 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:19:16,223 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:16,223 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:19:16,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:19:16,224 INFO L82 PathProgramCache]: Analyzing trace with hash -481243888, now seen corresponding path program 10 times [2021-03-12 00:19:16,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:19:16,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646161026] [2021-03-12 00:19:16,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:19:16,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:19:16,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:16,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:16,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:16,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:19:16,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:19:16,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:16,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:16,265 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:16,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646161026] [2021-03-12 00:19:16,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190360515] [2021-03-12 00:19:16,265 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:16,283 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 00:19:16,283 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:19:16,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-12 00:19:16,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:19:16,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:16,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:16,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:16,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-12 00:19:16,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:16,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:16,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:16,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:16,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:16,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:16,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:16,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:16,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:19:16,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:16,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:16,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:19:16,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:16,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:16,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:16,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:16,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:19:16,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:16,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:16,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:19:16,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:16,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:16,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:16,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:16,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:16,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:16,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:16,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:19:16,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:16,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:16,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:19:16,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:16,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:16,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:16,318 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 00:19:16,318 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:19:16,319 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:19:16,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:19:16,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:16,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:19:16,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:19:16,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:16,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:19:16,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:19:16,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:16,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:16,346 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:19:16,346 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:19:16,348 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,348 INFO L147 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size 26 [2021-03-12 00:19:16,349 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size [2021-03-12 00:19:16,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:16,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:16,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:19:16,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:19:16,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:16,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:19:16,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:19:16,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:16,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:16,377 INFO L147 QuantifierPusher]: treesize reduction 8, result has 38.5 percent of original size 5 [2021-03-12 00:19:16,378 INFO L142 QuantifierPusher]: treesize reduction 8, result has 38.5 percent of original size [2021-03-12 00:19:16,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:16,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:16,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:16,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:16,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:16,384 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-12 00:19:16,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:16,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:16,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:16,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:16,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:16,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:16,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:16,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:16,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:16,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:16,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:16,389 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:16,389 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:19:16,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 7 [2021-03-12 00:19:16,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969724842] [2021-03-12 00:19:16,391 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-12 00:19:16,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:19:16,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-12 00:19:16,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-03-12 00:19:16,392 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 49 [2021-03-12 00:19:16,392 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 329 transitions, 6941 flow. Second operand has 8 states, 8 states have (on average 27.375) internal successors, (219), 8 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:16,392 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:19:16,392 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 49 [2021-03-12 00:19:16,392 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:19:16,665 INFO L129 PetriNetUnfolder]: 238/912 cut-off events. [2021-03-12 00:19:16,665 INFO L130 PetriNetUnfolder]: For 16570/16570 co-relation queries the response was YES. [2021-03-12 00:19:16,670 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8007 conditions, 912 events. 238/912 cut-off events. For 16570/16570 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 7999 event pairs, 7 based on Foata normal form. 12/924 useless extension candidates. Maximal degree in co-relation 7526. Up to 332 conditions per place. [2021-03-12 00:19:16,677 INFO L132 encePairwiseOnDemand]: 45/49 looper letters, 192 selfloop transitions, 178 changer transitions 0/375 dead transitions. [2021-03-12 00:19:16,677 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 375 transitions, 8732 flow [2021-03-12 00:19:16,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 00:19:16,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-12 00:19:16,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 233 transitions. [2021-03-12 00:19:16,678 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5943877551020408 [2021-03-12 00:19:16,679 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 233 transitions. [2021-03-12 00:19:16,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 233 transitions. [2021-03-12 00:19:16,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:19:16,679 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 233 transitions. [2021-03-12 00:19:16,679 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 29.125) internal successors, (233), 8 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:16,680 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 49.0) internal successors, (441), 9 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:16,680 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 49.0) internal successors, (441), 9 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:16,680 INFO L185 Difference]: Start difference. First operand has 103 places, 329 transitions, 6941 flow. Second operand 8 states and 233 transitions. [2021-03-12 00:19:16,680 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 375 transitions, 8732 flow [2021-03-12 00:19:16,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 375 transitions, 8038 flow, removed 347 selfloop flow, removed 0 redundant places. [2021-03-12 00:19:16,787 INFO L241 Difference]: Finished difference. Result has 114 places, 362 transitions, 7736 flow [2021-03-12 00:19:16,788 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=6299, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=329, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=7736, PETRI_PLACES=114, PETRI_TRANSITIONS=362} [2021-03-12 00:19:16,788 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 99 predicate places. [2021-03-12 00:19:16,788 INFO L480 AbstractCegarLoop]: Abstraction has has 114 places, 362 transitions, 7736 flow [2021-03-12 00:19:16,788 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 27.375) internal successors, (219), 8 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:16,789 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:19:16,789 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:19:17,003 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-03-12 00:19:17,003 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:19:17,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:19:17,004 INFO L82 PathProgramCache]: Analyzing trace with hash 1950007828, now seen corresponding path program 11 times [2021-03-12 00:19:17,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:19:17,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259829001] [2021-03-12 00:19:17,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:19:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:19:17,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:17,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:17,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:19:17,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:19:17,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:17,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:17,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:17,064 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:17,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259829001] [2021-03-12 00:19:17,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455522064] [2021-03-12 00:19:17,065 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:17,103 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-03-12 00:19:17,103 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:19:17,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-12 00:19:17,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:19:17,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:17,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:17,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:17,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-12 00:19:17,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:17,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:17,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:17,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:17,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:17,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:17,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:17,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:17,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:19:17,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:17,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:17,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:19:17,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:17,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:17,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:17,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:17,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:17,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:17,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:17,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:19:17,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:17,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:17,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:19:17,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:17,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:17,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:17,135 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 00:19:17,135 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:19:17,136 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:17,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:17,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:17,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:19:17,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:19:17,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:17,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:19:17,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:19:17,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:17,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:17,170 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:19:17,171 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:19:17,172 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,173 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:19:17,173 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:19:17,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:19:17,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:17,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:19:17,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:19:17,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:17,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:19:17,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:19:17,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:17,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:17,211 INFO L147 QuantifierPusher]: treesize reduction 6, result has 53.8 percent of original size 7 [2021-03-12 00:19:17,211 INFO L142 QuantifierPusher]: treesize reduction 6, result has 53.8 percent of original size [2021-03-12 00:19:17,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:17,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:17,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:17,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:17,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:17,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:17,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:17,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:19:17,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:17,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:17,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:19:17,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:17,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:17,232 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-12 00:19:17,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:17,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:17,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:17,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:17,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:17,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:17,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:17,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:17,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:17,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:17,237 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:17,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:19:17,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 8 [2021-03-12 00:19:17,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024298730] [2021-03-12 00:19:17,238 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-12 00:19:17,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:19:17,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-12 00:19:17,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-03-12 00:19:17,239 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 49 [2021-03-12 00:19:17,239 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 362 transitions, 7736 flow. Second operand has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:17,240 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:19:17,240 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 49 [2021-03-12 00:19:17,240 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:19:17,579 INFO L129 PetriNetUnfolder]: 310/1213 cut-off events. [2021-03-12 00:19:17,579 INFO L130 PetriNetUnfolder]: For 21993/21995 co-relation queries the response was YES. [2021-03-12 00:19:17,587 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10523 conditions, 1213 events. 310/1213 cut-off events. For 21993/21995 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 11372 event pairs, 7 based on Foata normal form. 31/1244 useless extension candidates. Maximal degree in co-relation 9892. Up to 511 conditions per place. [2021-03-12 00:19:17,597 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 310 selfloop transitions, 191 changer transitions 0/506 dead transitions. [2021-03-12 00:19:17,597 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 506 transitions, 12194 flow [2021-03-12 00:19:17,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 00:19:17,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-12 00:19:17,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 234 transitions. [2021-03-12 00:19:17,599 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5969387755102041 [2021-03-12 00:19:17,599 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 234 transitions. [2021-03-12 00:19:17,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 234 transitions. [2021-03-12 00:19:17,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:19:17,599 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 234 transitions. [2021-03-12 00:19:17,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 29.25) internal successors, (234), 8 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:17,601 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 49.0) internal successors, (441), 9 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:17,601 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 49.0) internal successors, (441), 9 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:17,601 INFO L185 Difference]: Start difference. First operand has 114 places, 362 transitions, 7736 flow. Second operand 8 states and 234 transitions. [2021-03-12 00:19:17,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 506 transitions, 12194 flow [2021-03-12 00:19:17,715 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 506 transitions, 11761 flow, removed 169 selfloop flow, removed 4 redundant places. [2021-03-12 00:19:17,726 INFO L241 Difference]: Finished difference. Result has 122 places, 482 transitions, 11239 flow [2021-03-12 00:19:17,727 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=7490, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=99, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=11239, PETRI_PLACES=122, PETRI_TRANSITIONS=482} [2021-03-12 00:19:17,727 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 107 predicate places. [2021-03-12 00:19:17,727 INFO L480 AbstractCegarLoop]: Abstraction has has 122 places, 482 transitions, 11239 flow [2021-03-12 00:19:17,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:17,727 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:19:17,727 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:19:17,943 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-03-12 00:19:17,943 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:19:17,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:19:17,944 INFO L82 PathProgramCache]: Analyzing trace with hash -1955929026, now seen corresponding path program 12 times [2021-03-12 00:19:17,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:19:17,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525548773] [2021-03-12 00:19:17,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:19:17,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:19:17,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:17,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:17,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:17,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:17,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:19:17,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:17,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:18,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:18,006 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:18,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525548773] [2021-03-12 00:19:18,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547306476] [2021-03-12 00:19:18,006 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:18,049 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-12 00:19:18,050 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:19:18,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-12 00:19:18,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:19:18,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:18,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:18,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:18,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-12 00:19:18,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:18,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:18,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:18,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:18,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:18,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:18,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:18,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:18,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:19:18,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:18,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:18,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:19:18,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:18,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:18,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:18,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:18,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:19:18,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:18,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:18,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:19:18,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:18,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:18,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:18,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 00:19:18,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-12 00:19:18,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:18,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 00:19:18,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-12 00:19:18,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:18,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:18,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:18,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:18,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:18,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:18,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:18,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:18,088 INFO L142 QuantifierPusher]: treesize reduction 10, result has 79.2 percent of original size [2021-03-12 00:19:18,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:18,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 00:19:18,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 00:19:18,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:18,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 00:19:18,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 00:19:18,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:18,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:19:18,096 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-03-12 00:19:18,096 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:19:18,097 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:19:18,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:19:18,104 INFO L142 QuantifierPusher]: treesize reduction 10, result has 79.2 percent of original size [2021-03-12 00:19:18,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:18,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 00:19:18,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 00:19:18,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:18,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 00:19:18,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 00:19:18,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:18,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:18,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:18,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:18,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:18,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:18,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:18,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:18,116 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-12 00:19:18,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:18,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:18,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:18,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:18,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:18,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:18,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:18,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:18,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:18,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:18,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:18,121 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:18,121 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:19:18,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-03-12 00:19:18,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470790704] [2021-03-12 00:19:18,121 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-12 00:19:18,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:19:18,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-12 00:19:18,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-03-12 00:19:18,122 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 49 [2021-03-12 00:19:18,123 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 482 transitions, 11239 flow. Second operand has 8 states, 8 states have (on average 27.0) internal successors, (216), 8 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:18,123 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:19:18,123 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 49 [2021-03-12 00:19:18,123 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:19:18,622 INFO L129 PetriNetUnfolder]: 396/1567 cut-off events. [2021-03-12 00:19:18,622 INFO L130 PetriNetUnfolder]: For 34982/34984 co-relation queries the response was YES. [2021-03-12 00:19:18,633 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14580 conditions, 1567 events. 396/1567 cut-off events. For 34982/34984 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 15215 event pairs, 12 based on Foata normal form. 100/1667 useless extension candidates. Maximal degree in co-relation 13802. Up to 704 conditions per place. [2021-03-12 00:19:18,646 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 393 selfloop transitions, 239 changer transitions 3/640 dead transitions. [2021-03-12 00:19:18,647 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 640 transitions, 16404 flow [2021-03-12 00:19:18,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 00:19:18,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-12 00:19:18,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 237 transitions. [2021-03-12 00:19:18,649 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6045918367346939 [2021-03-12 00:19:18,649 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 237 transitions. [2021-03-12 00:19:18,649 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 237 transitions. [2021-03-12 00:19:18,650 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:19:18,650 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 237 transitions. [2021-03-12 00:19:18,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 29.625) internal successors, (237), 8 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:18,652 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 49.0) internal successors, (441), 9 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:18,652 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 49.0) internal successors, (441), 9 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:18,652 INFO L185 Difference]: Start difference. First operand has 122 places, 482 transitions, 11239 flow. Second operand 8 states and 237 transitions. [2021-03-12 00:19:18,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 640 transitions, 16404 flow [2021-03-12 00:19:18,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 640 transitions, 16049 flow, removed 176 selfloop flow, removed 1 redundant places. [2021-03-12 00:19:18,865 INFO L241 Difference]: Finished difference. Result has 134 places, 620 transitions, 15402 flow [2021-03-12 00:19:18,865 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=10861, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=480, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=123, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=15402, PETRI_PLACES=134, PETRI_TRANSITIONS=620} [2021-03-12 00:19:18,866 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 119 predicate places. [2021-03-12 00:19:18,866 INFO L480 AbstractCegarLoop]: Abstraction has has 134 places, 620 transitions, 15402 flow [2021-03-12 00:19:18,866 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 27.0) internal successors, (216), 8 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:18,866 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:19:18,866 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:19:19,079 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-03-12 00:19:19,079 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:19:19,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:19:19,080 INFO L82 PathProgramCache]: Analyzing trace with hash -870969750, now seen corresponding path program 13 times [2021-03-12 00:19:19,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:19:19,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300136282] [2021-03-12 00:19:19,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:19:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:19:19,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:19,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:19,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:19,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:19:19,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:19,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:19,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:19,114 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:19,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300136282] [2021-03-12 00:19:19,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [870465169] [2021-03-12 00:19:19,114 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:19:19,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-12 00:19:19,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:19:19,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:19,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:19,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:19,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-12 00:19:19,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:19,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:19,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:19,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:19,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:19,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:19,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:19,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:19,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:19:19,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:19,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:19,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:19:19,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:19,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:19,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:19,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:19,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:19:19,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:19,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:19,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:19:19,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:19,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:19,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:19,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:19,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:19,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:19,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:19,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:19:19,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:19,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:19,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:19:19,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:19,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:19,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:19,169 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 00:19:19,169 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:19:19,171 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:19:19,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:19:19,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:19,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:19:19,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:19:19,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:19,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:19:19,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:19:19,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:19,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:19,203 INFO L147 QuantifierPusher]: treesize reduction 7, result has 61.1 percent of original size 11 [2021-03-12 00:19:19,203 INFO L142 QuantifierPusher]: treesize reduction 7, result has 61.1 percent of original size [2021-03-12 00:19:19,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:19,213 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-03-12 00:19:19,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:19:19,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:19,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:19:19,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 00:19:19,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:19,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:19,218 INFO L142 QuantifierPusher]: treesize reduction 35, result has 2.8 percent of original size [2021-03-12 00:19:19,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:19,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:19,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:19,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:19,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:19,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:19,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:19,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:19,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:19,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:19,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:19,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:19,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:19,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:19,225 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:19,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:19:19,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 7 [2021-03-12 00:19:19,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266452010] [2021-03-12 00:19:19,226 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-12 00:19:19,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:19:19,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-12 00:19:19,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-03-12 00:19:19,227 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 49 [2021-03-12 00:19:19,227 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 620 transitions, 15402 flow. Second operand has 8 states, 8 states have (on average 27.375) internal successors, (219), 8 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:19,227 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:19:19,227 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 49 [2021-03-12 00:19:19,227 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:19:19,841 INFO L129 PetriNetUnfolder]: 388/1492 cut-off events. [2021-03-12 00:19:19,842 INFO L130 PetriNetUnfolder]: For 36059/36059 co-relation queries the response was YES. [2021-03-12 00:19:19,853 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14741 conditions, 1492 events. 388/1492 cut-off events. For 36059/36059 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 14261 event pairs, 0 based on Foata normal form. 8/1500 useless extension candidates. Maximal degree in co-relation 14022. Up to 452 conditions per place. [2021-03-12 00:19:19,874 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 380 selfloop transitions, 268 changer transitions 0/653 dead transitions. [2021-03-12 00:19:19,874 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 653 transitions, 17489 flow [2021-03-12 00:19:19,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 00:19:19,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-12 00:19:19,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 285 transitions. [2021-03-12 00:19:19,875 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5816326530612245 [2021-03-12 00:19:19,875 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 285 transitions. [2021-03-12 00:19:19,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 285 transitions. [2021-03-12 00:19:19,876 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:19:19,876 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 285 transitions. [2021-03-12 00:19:19,876 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 28.5) internal successors, (285), 10 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:19,877 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:19,877 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:19,877 INFO L185 Difference]: Start difference. First operand has 134 places, 620 transitions, 15402 flow. Second operand 10 states and 285 transitions. [2021-03-12 00:19:19,877 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 653 transitions, 17489 flow [2021-03-12 00:19:20,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 653 transitions, 16650 flow, removed 418 selfloop flow, removed 1 redundant places. [2021-03-12 00:19:20,057 INFO L241 Difference]: Finished difference. Result has 144 places, 643 transitions, 15812 flow [2021-03-12 00:19:20,057 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=14082, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=598, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=228, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=15812, PETRI_PLACES=144, PETRI_TRANSITIONS=643} [2021-03-12 00:19:20,057 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 129 predicate places. [2021-03-12 00:19:20,058 INFO L480 AbstractCegarLoop]: Abstraction has has 144 places, 643 transitions, 15812 flow [2021-03-12 00:19:20,058 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 27.375) internal successors, (219), 8 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:20,058 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:19:20,058 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:19:20,275 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:20,275 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:19:20,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:19:20,276 INFO L82 PathProgramCache]: Analyzing trace with hash 175000466, now seen corresponding path program 14 times [2021-03-12 00:19:20,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:19:20,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765790041] [2021-03-12 00:19:20,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:19:20,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:19:20,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:20,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:20,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:19:20,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:20,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:20,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:20,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:20,320 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:19:20,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765790041] [2021-03-12 00:19:20,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985182350] [2021-03-12 00:19:20,320 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:20,360 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 00:19:20,360 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:19:20,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-12 00:19:20,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:19:20,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:20,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:20,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:20,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-12 00:19:20,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:20,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:20,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:20,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:20,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:20,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:20,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:20,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:20,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:19:20,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:20,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:20,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:19:20,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:20,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:20,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:20,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:20,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:20,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:20,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:20,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:19:20,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:20,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:20,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:19:20,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:20,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:20,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:20,381 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 00:19:20,381 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:19:20,382 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:20,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:20,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:20,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:19:20,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:19:20,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:20,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:19:20,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:19:20,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:20,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:20,412 INFO L147 QuantifierPusher]: treesize reduction 7, result has 65.0 percent of original size 13 [2021-03-12 00:19:20,413 INFO L142 QuantifierPusher]: treesize reduction 7, result has 65.0 percent of original size [2021-03-12 00:19:20,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:20,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:20,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:20,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:19:20,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:20,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:20,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:19:20,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:20,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:20,430 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-03-12 00:19:20,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:19:20,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:20,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:19:20,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 00:19:20,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:20,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:20,434 INFO L142 QuantifierPusher]: treesize reduction 35, result has 2.8 percent of original size [2021-03-12 00:19:20,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:20,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:20,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:20,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:20,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:20,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:20,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:20,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:20,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:20,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:20,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:20,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:20,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:20,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:20,440 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:19:20,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:19:20,440 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 7 [2021-03-12 00:19:20,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045110336] [2021-03-12 00:19:20,441 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-12 00:19:20,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:19:20,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-12 00:19:20,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-03-12 00:19:20,442 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 49 [2021-03-12 00:19:20,442 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 643 transitions, 15812 flow. Second operand has 8 states, 8 states have (on average 27.5) internal successors, (220), 8 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:20,442 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:19:20,442 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 49 [2021-03-12 00:19:20,442 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:19:21,076 INFO L129 PetriNetUnfolder]: 444/1692 cut-off events. [2021-03-12 00:19:21,076 INFO L130 PetriNetUnfolder]: For 46797/46799 co-relation queries the response was YES. [2021-03-12 00:19:21,122 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17240 conditions, 1692 events. 444/1692 cut-off events. For 46797/46799 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 16687 event pairs, 0 based on Foata normal form. 19/1711 useless extension candidates. Maximal degree in co-relation 16423. Up to 498 conditions per place. [2021-03-12 00:19:21,131 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 409 selfloop transitions, 322 changer transitions 0/736 dead transitions. [2021-03-12 00:19:21,132 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 736 transitions, 19778 flow [2021-03-12 00:19:21,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 00:19:21,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-12 00:19:21,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 263 transitions. [2021-03-12 00:19:21,133 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5963718820861678 [2021-03-12 00:19:21,133 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 263 transitions. [2021-03-12 00:19:21,133 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 263 transitions. [2021-03-12 00:19:21,133 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:19:21,133 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 263 transitions. [2021-03-12 00:19:21,134 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 29.22222222222222) internal successors, (263), 9 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:21,135 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 49.0) internal successors, (490), 10 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:21,135 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 49.0) internal successors, (490), 10 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:21,135 INFO L185 Difference]: Start difference. First operand has 144 places, 643 transitions, 15812 flow. Second operand 9 states and 263 transitions. [2021-03-12 00:19:21,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 736 transitions, 19778 flow [2021-03-12 00:19:21,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 736 transitions, 18992 flow, removed 307 selfloop flow, removed 4 redundant places. [2021-03-12 00:19:21,343 INFO L241 Difference]: Finished difference. Result has 154 places, 712 transitions, 18273 flow [2021-03-12 00:19:21,344 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=14958, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=638, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=262, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=340, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=18273, PETRI_PLACES=154, PETRI_TRANSITIONS=712} [2021-03-12 00:19:21,344 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 139 predicate places. [2021-03-12 00:19:21,344 INFO L480 AbstractCegarLoop]: Abstraction has has 154 places, 712 transitions, 18273 flow [2021-03-12 00:19:21,344 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 27.5) internal successors, (220), 8 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:21,344 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:19:21,344 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:19:21,548 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-03-12 00:19:21,548 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:19:21,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:19:21,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1541559302, now seen corresponding path program 15 times [2021-03-12 00:19:21,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:19:21,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119432175] [2021-03-12 00:19:21,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:19:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:19:21,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:21,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:21,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:19:21,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:21,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:21,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:21,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:21,591 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:21,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119432175] [2021-03-12 00:19:21,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670602732] [2021-03-12 00:19:21,591 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:21,627 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-12 00:19:21,627 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:19:21,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-12 00:19:21,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:19:21,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:21,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:21,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:21,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-12 00:19:21,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:21,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:21,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:21,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:21,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:21,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:21,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:21,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:21,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:19:21,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:21,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:21,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:19:21,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:21,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:21,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:21,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:21,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:21,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:21,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:21,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:19:21,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:21,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:21,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:19:21,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:21,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:21,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:21,651 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 00:19:21,651 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:19:21,651 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:21,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:21,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:21,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:19:21,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:19:21,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:21,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:19:21,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:19:21,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:21,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:21,679 INFO L147 QuantifierPusher]: treesize reduction 7, result has 65.0 percent of original size 13 [2021-03-12 00:19:21,680 INFO L142 QuantifierPusher]: treesize reduction 7, result has 65.0 percent of original size [2021-03-12 00:19:21,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:21,689 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-12 00:19:21,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:19:21,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:21,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:19:21,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 00:19:21,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:21,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:21,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:21,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:21,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:19:21,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:21,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:21,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:19:21,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:21,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:21,698 INFO L142 QuantifierPusher]: treesize reduction 35, result has 2.8 percent of original size [2021-03-12 00:19:21,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:21,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:21,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:21,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:21,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:21,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:21,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:21,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:21,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:21,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:21,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:21,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:21,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:21,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:21,704 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:21,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:19:21,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 8 [2021-03-12 00:19:21,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141401549] [2021-03-12 00:19:21,705 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-12 00:19:21,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:19:21,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-12 00:19:21,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-03-12 00:19:21,706 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 49 [2021-03-12 00:19:21,706 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 712 transitions, 18273 flow. Second operand has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:21,706 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:19:21,706 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 49 [2021-03-12 00:19:21,707 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:19:22,346 INFO L129 PetriNetUnfolder]: 438/1669 cut-off events. [2021-03-12 00:19:22,346 INFO L130 PetriNetUnfolder]: For 49298/49300 co-relation queries the response was YES. [2021-03-12 00:19:22,355 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17314 conditions, 1669 events. 438/1669 cut-off events. For 49298/49300 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 16386 event pairs, 0 based on Foata normal form. 8/1677 useless extension candidates. Maximal degree in co-relation 16507. Up to 480 conditions per place. [2021-03-12 00:19:22,365 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 400 selfloop transitions, 317 changer transitions 4/726 dead transitions. [2021-03-12 00:19:22,365 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 726 transitions, 20054 flow [2021-03-12 00:19:22,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 00:19:22,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-12 00:19:22,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 290 transitions. [2021-03-12 00:19:22,366 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5918367346938775 [2021-03-12 00:19:22,366 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 290 transitions. [2021-03-12 00:19:22,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 290 transitions. [2021-03-12 00:19:22,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:19:22,367 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 290 transitions. [2021-03-12 00:19:22,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:22,368 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:22,368 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:22,368 INFO L185 Difference]: Start difference. First operand has 154 places, 712 transitions, 18273 flow. Second operand 10 states and 290 transitions. [2021-03-12 00:19:22,368 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 726 transitions, 20054 flow [2021-03-12 00:19:22,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 726 transitions, 19615 flow, removed 218 selfloop flow, removed 1 redundant places. [2021-03-12 00:19:22,683 INFO L241 Difference]: Finished difference. Result has 164 places, 706 transitions, 18579 flow [2021-03-12 00:19:22,683 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=17629, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=706, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=313, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=390, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=18579, PETRI_PLACES=164, PETRI_TRANSITIONS=706} [2021-03-12 00:19:22,684 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 149 predicate places. [2021-03-12 00:19:22,684 INFO L480 AbstractCegarLoop]: Abstraction has has 164 places, 706 transitions, 18579 flow [2021-03-12 00:19:22,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:22,684 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:19:22,684 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:19:22,899 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:22,899 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:19:22,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:19:22,900 INFO L82 PathProgramCache]: Analyzing trace with hash 233844418, now seen corresponding path program 16 times [2021-03-12 00:19:22,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:19:22,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507673612] [2021-03-12 00:19:22,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:19:22,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:19:22,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:22,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:22,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:22,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:22,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:22,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:19:22,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:22,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:19:22,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:22,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:19:22,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:22,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:19:22,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:22,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:22,954 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:19:22,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507673612] [2021-03-12 00:19:22,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476026601] [2021-03-12 00:19:22,955 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-12 00:19:22,987 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 00:19:22,987 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:19:22,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-12 00:19:22,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:19:22,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:22,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:22,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:22,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:22,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:22,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:22,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:22,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:22,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:22,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:22,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:22,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:22,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:22,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:22,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:22,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:22,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:22,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:22,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:22,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:22,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:22,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:22,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:22,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:19:22,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:22,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:22,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:22,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:22,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:19:22,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:22,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:22,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:22,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:22,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:22,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:23,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:23,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:23,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:23,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:23,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:19:23,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:23,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:23,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:19:23,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:23,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:23,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:23,008 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 00:19:23,008 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:19:23,009 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:23,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:23,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:23,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:19:23,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:19:23,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:23,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:19:23,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:19:23,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:23,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:23,037 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:19:23,037 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:19:23,041 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,043 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:19:23,043 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:19:23,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:19:23,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:23,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:23,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:19:23,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:23,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:23,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:19:23,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:23,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:23,066 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-03-12 00:19:23,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:19:23,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:23,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:23,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:19:23,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:23,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:23,078 INFO L142 QuantifierPusher]: treesize reduction 52, result has 1.9 percent of original size [2021-03-12 00:19:23,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:23,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:23,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:23,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:23,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:23,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:23,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:23,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:23,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:23,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:23,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:23,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:23,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:23,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:23,085 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:23,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:19:23,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 8 [2021-03-12 00:19:23,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712709842] [2021-03-12 00:19:23,086 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-12 00:19:23,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:19:23,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-12 00:19:23,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-03-12 00:19:23,086 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 49 [2021-03-12 00:19:23,092 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 706 transitions, 18579 flow. Second operand has 9 states, 9 states have (on average 27.444444444444443) internal successors, (247), 9 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:23,093 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:19:23,093 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 49 [2021-03-12 00:19:23,093 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:19:23,732 INFO L129 PetriNetUnfolder]: 430/1656 cut-off events. [2021-03-12 00:19:23,732 INFO L130 PetriNetUnfolder]: For 49516/49518 co-relation queries the response was YES. [2021-03-12 00:19:23,743 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17755 conditions, 1656 events. 430/1656 cut-off events. For 49516/49518 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 16315 event pairs, 0 based on Foata normal form. 10/1666 useless extension candidates. Maximal degree in co-relation 16950. Up to 534 conditions per place. [2021-03-12 00:19:23,754 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 517 selfloop transitions, 211 changer transitions 0/733 dead transitions. [2021-03-12 00:19:23,754 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 733 transitions, 20724 flow [2021-03-12 00:19:23,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 00:19:23,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-12 00:19:23,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 315 transitions. [2021-03-12 00:19:23,756 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5844155844155844 [2021-03-12 00:19:23,756 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 315 transitions. [2021-03-12 00:19:23,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 315 transitions. [2021-03-12 00:19:23,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:19:23,756 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 315 transitions. [2021-03-12 00:19:23,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 28.636363636363637) internal successors, (315), 11 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:23,758 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 49.0) internal successors, (588), 12 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:23,758 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 49.0) internal successors, (588), 12 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:23,758 INFO L185 Difference]: Start difference. First operand has 164 places, 706 transitions, 18579 flow. Second operand 11 states and 315 transitions. [2021-03-12 00:19:23,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 733 transitions, 20724 flow [2021-03-12 00:19:24,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 733 transitions, 20192 flow, removed 93 selfloop flow, removed 6 redundant places. [2021-03-12 00:19:24,079 INFO L241 Difference]: Finished difference. Result has 170 places, 708 transitions, 18563 flow [2021-03-12 00:19:24,079 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=17834, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=698, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=201, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=494, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=18563, PETRI_PLACES=170, PETRI_TRANSITIONS=708} [2021-03-12 00:19:24,080 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 155 predicate places. [2021-03-12 00:19:24,080 INFO L480 AbstractCegarLoop]: Abstraction has has 170 places, 708 transitions, 18563 flow [2021-03-12 00:19:24,080 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.444444444444443) internal successors, (247), 9 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:24,080 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:19:24,080 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:19:24,302 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-03-12 00:19:24,302 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:19:24,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:19:24,303 INFO L82 PathProgramCache]: Analyzing trace with hash 507468026, now seen corresponding path program 17 times [2021-03-12 00:19:24,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:19:24,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849039477] [2021-03-12 00:19:24,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:19:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:19:24,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:24,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:24,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:19:24,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:24,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:24,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:24,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:24,339 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:19:24,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849039477] [2021-03-12 00:19:24,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [550886373] [2021-03-12 00:19:24,340 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-12 00:19:24,364 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-03-12 00:19:24,364 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:19:24,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-12 00:19:24,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:19:24,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:24,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:24,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:24,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-12 00:19:24,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:24,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:24,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:24,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:24,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:24,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:24,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:24,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:24,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:24,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:19:24,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:24,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:24,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:19:24,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:24,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:24,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:24,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:24,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:24,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:24,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:24,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:19:24,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:24,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:24,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:19:24,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:24,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:24,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:24,385 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 00:19:24,385 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:19:24,386 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:24,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:24,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:24,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:19:24,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:19:24,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:24,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:19:24,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:19:24,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:24,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:24,413 INFO L147 QuantifierPusher]: treesize reduction 7, result has 65.0 percent of original size 13 [2021-03-12 00:19:24,413 INFO L142 QuantifierPusher]: treesize reduction 7, result has 65.0 percent of original size [2021-03-12 00:19:24,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:24,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:24,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:24,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:19:24,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:24,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:24,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:19:24,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:24,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:24,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:24,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-12 00:19:24,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 00:19:24,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:24,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-12 00:19:24,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 00:19:24,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:24,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:24,434 INFO L147 QuantifierPusher]: treesize reduction 8, result has 38.5 percent of original size 5 [2021-03-12 00:19:24,434 INFO L142 QuantifierPusher]: treesize reduction 8, result has 38.5 percent of original size [2021-03-12 00:19:24,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:24,439 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-12 00:19:24,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:24,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:24,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:24,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:24,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:24,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:24,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:24,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:24,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:24,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:24,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:24,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:24,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:24,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:24,445 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:24,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:19:24,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 7 [2021-03-12 00:19:24,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136208547] [2021-03-12 00:19:24,446 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-12 00:19:24,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:19:24,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-12 00:19:24,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-03-12 00:19:24,446 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 49 [2021-03-12 00:19:24,447 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 708 transitions, 18563 flow. Second operand has 8 states, 8 states have (on average 27.5) internal successors, (220), 8 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:24,447 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:19:24,447 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 49 [2021-03-12 00:19:24,447 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:19:24,969 INFO L129 PetriNetUnfolder]: 416/1678 cut-off events. [2021-03-12 00:19:24,969 INFO L130 PetriNetUnfolder]: For 50198/50200 co-relation queries the response was YES. [2021-03-12 00:19:24,981 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18256 conditions, 1678 events. 416/1678 cut-off events. For 50198/50200 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 16895 event pairs, 7 based on Foata normal form. 26/1704 useless extension candidates. Maximal degree in co-relation 17420. Up to 583 conditions per place. [2021-03-12 00:19:24,990 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 372 selfloop transitions, 360 changer transitions 0/737 dead transitions. [2021-03-12 00:19:24,990 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 737 transitions, 20781 flow [2021-03-12 00:19:24,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 00:19:24,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-12 00:19:24,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 175 transitions. [2021-03-12 00:19:24,991 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5952380952380952 [2021-03-12 00:19:24,991 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 175 transitions. [2021-03-12 00:19:24,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 175 transitions. [2021-03-12 00:19:24,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:19:24,991 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 175 transitions. [2021-03-12 00:19:24,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:24,992 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 49.0) internal successors, (343), 7 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:24,992 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 49.0) internal successors, (343), 7 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:24,992 INFO L185 Difference]: Start difference. First operand has 170 places, 708 transitions, 18563 flow. Second operand 6 states and 175 transitions. [2021-03-12 00:19:24,992 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 737 transitions, 20781 flow [2021-03-12 00:19:25,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 737 transitions, 20618 flow, removed 80 selfloop flow, removed 1 redundant places. [2021-03-12 00:19:25,223 INFO L241 Difference]: Finished difference. Result has 177 places, 723 transitions, 20211 flow [2021-03-12 00:19:25,224 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=18275, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=703, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=344, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=20211, PETRI_PLACES=177, PETRI_TRANSITIONS=723} [2021-03-12 00:19:25,224 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 162 predicate places. [2021-03-12 00:19:25,224 INFO L480 AbstractCegarLoop]: Abstraction has has 177 places, 723 transitions, 20211 flow [2021-03-12 00:19:25,224 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 27.5) internal successors, (220), 8 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:25,225 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:19:25,225 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:19:25,439 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2021-03-12 00:19:25,439 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:19:25,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:19:25,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1914293482, now seen corresponding path program 18 times [2021-03-12 00:19:25,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:19:25,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164261872] [2021-03-12 00:19:25,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:19:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:19:25,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:25,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:25,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:25,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:25,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:25,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:25,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:25,486 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:25,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164261872] [2021-03-12 00:19:25,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112359603] [2021-03-12 00:19:25,487 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-12 00:19:25,529 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-03-12 00:19:25,529 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:19:25,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-12 00:19:25,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:19:25,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:25,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:25,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:25,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:25,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:25,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:25,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:25,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:25,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:25,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:25,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:25,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:25,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:25,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:25,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-12 00:19:25,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:25,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:25,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-12 00:19:25,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:25,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:25,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:25,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,560 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 00:19:25,560 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:19:25,561 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:19:25,562 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:19:25,563 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:25,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:19:25,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:19:25,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:19:25,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:25,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:25,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:19:25,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:25,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:25,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:19:25,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:25,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:25,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:25,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:25,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:19:25,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:25,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:25,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:19:25,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:25,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:25,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:25,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 00:19:25,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 00:19:25,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:25,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 00:19:25,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 00:19:25,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:25,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:25,623 INFO L147 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size 7 [2021-03-12 00:19:25,623 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-12 00:19:25,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:25,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:25,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:25,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:25,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:25,631 INFO L142 QuantifierPusher]: treesize reduction 10, result has 79.2 percent of original size [2021-03-12 00:19:25,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:25,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 00:19:25,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 00:19:25,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:25,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 00:19:25,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 00:19:25,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:25,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:25,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:25,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:25,645 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-12 00:19:25,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:25,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:25,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:25,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:25,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:25,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:25,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:25,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:25,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:25,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:25,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:25,650 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:25,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:19:25,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 10 [2021-03-12 00:19:25,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490444439] [2021-03-12 00:19:25,650 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-12 00:19:25,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:19:25,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-12 00:19:25,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-03-12 00:19:25,651 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 49 [2021-03-12 00:19:25,651 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 723 transitions, 20211 flow. Second operand has 11 states, 11 states have (on average 17.272727272727273) internal successors, (190), 11 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:25,651 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:19:25,651 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 49 [2021-03-12 00:19:25,651 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:19:26,354 INFO L129 PetriNetUnfolder]: 440/1798 cut-off events. [2021-03-12 00:19:26,354 INFO L130 PetriNetUnfolder]: For 58597/58599 co-relation queries the response was YES. [2021-03-12 00:19:26,363 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20435 conditions, 1798 events. 440/1798 cut-off events. For 58597/58599 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 18335 event pairs, 7 based on Foata normal form. 26/1824 useless extension candidates. Maximal degree in co-relation 19407. Up to 643 conditions per place. [2021-03-12 00:19:26,370 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 348 selfloop transitions, 451 changer transitions 0/803 dead transitions. [2021-03-12 00:19:26,371 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 803 transitions, 23921 flow [2021-03-12 00:19:26,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 00:19:26,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-12 00:19:26,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 157 transitions. [2021-03-12 00:19:26,372 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4005102040816326 [2021-03-12 00:19:26,372 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 157 transitions. [2021-03-12 00:19:26,372 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 157 transitions. [2021-03-12 00:19:26,372 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:19:26,372 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 157 transitions. [2021-03-12 00:19:26,372 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 19.625) internal successors, (157), 8 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:26,373 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 49.0) internal successors, (441), 9 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:26,373 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 49.0) internal successors, (441), 9 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:26,373 INFO L185 Difference]: Start difference. First operand has 177 places, 723 transitions, 20211 flow. Second operand 8 states and 157 transitions. [2021-03-12 00:19:26,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 803 transitions, 23921 flow [2021-03-12 00:19:26,616 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 803 transitions, 23503 flow, removed 68 selfloop flow, removed 5 redundant places. [2021-03-12 00:19:26,635 INFO L241 Difference]: Finished difference. Result has 182 places, 783 transitions, 22911 flow [2021-03-12 00:19:26,635 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=19860, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=723, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=391, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=22911, PETRI_PLACES=182, PETRI_TRANSITIONS=783} [2021-03-12 00:19:26,636 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 167 predicate places. [2021-03-12 00:19:26,636 INFO L480 AbstractCegarLoop]: Abstraction has has 182 places, 783 transitions, 22911 flow [2021-03-12 00:19:26,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.272727272727273) internal successors, (190), 11 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:26,636 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:19:26,636 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:19:26,846 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:26,846 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:19:26,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:19:26,847 INFO L82 PathProgramCache]: Analyzing trace with hash 818746322, now seen corresponding path program 19 times [2021-03-12 00:19:26,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:19:26,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999467525] [2021-03-12 00:19:26,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:19:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:19:26,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:26,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:26,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:26,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:26,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:26,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:26,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:26,881 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:19:26,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999467525] [2021-03-12 00:19:26,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863615741] [2021-03-12 00:19:26,881 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:26,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:19:26,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-12 00:19:26,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:19:26,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:26,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:26,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:26,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:26,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:26,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:26,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:26,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:26,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:26,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:26,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:26,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:26,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:26,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:26,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-12 00:19:26,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:26,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:26,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-12 00:19:26,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:26,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:26,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-12 00:19:26,942 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2021-03-12 00:19:26,942 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:19:26,944 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 00:19:26,944 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2021-03-12 00:19:26,945 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:19:26,945 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 00:19:26,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 00:19:26,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:26,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-12 00:19:26,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-12 00:19:26,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:26,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-12 00:19:26,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-12 00:19:26,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:26,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:26,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:26,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:19:26,981 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 00:19:26,981 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:19:26,982 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,983 INFO L147 QuantifierPusher]: treesize reduction 7, result has 65.0 percent of original size 13 [2021-03-12 00:19:26,983 INFO L142 QuantifierPusher]: treesize reduction 7, result has 65.0 percent of original size [2021-03-12 00:19:26,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:26,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:26,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:26,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:19:26,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:26,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:26,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:19:26,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:26,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:26,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:27,008 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-12 00:19:27,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:19:27,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:27,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:27,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:27,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:19:27,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 00:19:27,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:27,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:27,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:27,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:27,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:27,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:27,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:27,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:27,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:19:27,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:27,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:27,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:27,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:27,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:19:27,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:27,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:27,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:27,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:27,016 INFO L142 QuantifierPusher]: treesize reduction 35, result has 2.8 percent of original size [2021-03-12 00:19:27,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:27,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:27,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:27,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:27,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:27,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:27,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:27,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:27,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:27,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:27,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:27,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:27,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:27,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:27,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:27,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:27,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:27,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:27,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:27,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:27,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:27,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:27,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:27,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:27,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:27,022 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:27,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:19:27,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 10 [2021-03-12 00:19:27,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484856734] [2021-03-12 00:19:27,023 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-12 00:19:27,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:19:27,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-12 00:19:27,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-03-12 00:19:27,024 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 49 [2021-03-12 00:19:27,024 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 783 transitions, 22911 flow. Second operand has 11 states, 11 states have (on average 14.272727272727273) internal successors, (157), 11 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:27,024 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:19:27,024 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 49 [2021-03-12 00:19:27,024 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:19:27,929 INFO L129 PetriNetUnfolder]: 547/2164 cut-off events. [2021-03-12 00:19:27,929 INFO L130 PetriNetUnfolder]: For 75239/75239 co-relation queries the response was YES. [2021-03-12 00:19:27,941 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25791 conditions, 2164 events. 547/2164 cut-off events. For 75239/75239 co-relation queries the response was YES. Maximal size of possible extension queue 274. Compared 22664 event pairs, 0 based on Foata normal form. 20/2184 useless extension candidates. Maximal degree in co-relation 24590. Up to 708 conditions per place. [2021-03-12 00:19:27,950 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 531 selfloop transitions, 385 changer transitions 6/926 dead transitions. [2021-03-12 00:19:27,950 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 926 transitions, 28825 flow [2021-03-12 00:19:27,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 00:19:27,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-12 00:19:27,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 161 transitions. [2021-03-12 00:19:27,951 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.32857142857142857 [2021-03-12 00:19:27,951 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 161 transitions. [2021-03-12 00:19:27,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 161 transitions. [2021-03-12 00:19:27,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:19:27,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 161 transitions. [2021-03-12 00:19:27,951 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 16.1) internal successors, (161), 10 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:27,951 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:27,951 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:27,952 INFO L185 Difference]: Start difference. First operand has 182 places, 783 transitions, 22911 flow. Second operand 10 states and 161 transitions. [2021-03-12 00:19:27,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 926 transitions, 28825 flow [2021-03-12 00:19:28,309 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 926 transitions, 28450 flow, removed 157 selfloop flow, removed 2 redundant places. [2021-03-12 00:19:28,334 INFO L241 Difference]: Finished difference. Result has 195 places, 893 transitions, 27382 flow [2021-03-12 00:19:28,335 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=22536, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=783, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=284, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=422, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=27382, PETRI_PLACES=195, PETRI_TRANSITIONS=893} [2021-03-12 00:19:28,335 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 180 predicate places. [2021-03-12 00:19:28,335 INFO L480 AbstractCegarLoop]: Abstraction has has 195 places, 893 transitions, 27382 flow [2021-03-12 00:19:28,335 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 14.272727272727273) internal successors, (157), 11 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:28,335 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:19:28,335 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:19:28,551 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-03-12 00:19:28,551 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:19:28,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:19:28,551 INFO L82 PathProgramCache]: Analyzing trace with hash -1700615444, now seen corresponding path program 20 times [2021-03-12 00:19:28,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:19:28,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618387755] [2021-03-12 00:19:28,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:19:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:19:28,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:28,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:19:28,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:19:28,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:19:28,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:19:28,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:19:28,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:28,601 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:28,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618387755] [2021-03-12 00:19:28,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440993415] [2021-03-12 00:19:28,601 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:28,616 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 00:19:28,617 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:19:28,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-12 00:19:28,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:19:28,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:28,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:28,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:28,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:28,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:28,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:28,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:28,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:28,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:28,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:28,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:28,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:28,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:28,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:28,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-12 00:19:28,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:28,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:28,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-12 00:19:28,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:28,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:28,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-12 00:19:28,648 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2021-03-12 00:19:28,648 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:19:28,649 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 00:19:28,650 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2021-03-12 00:19:28,650 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:19:28,651 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 00:19:28,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 00:19:28,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:28,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-12 00:19:28,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-12 00:19:28,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:28,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-12 00:19:28,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-12 00:19:28,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:28,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 00:19:28,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:28,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:19:28,682 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2021-03-12 00:19:28,682 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:19:28,683 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,684 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:19:28,684 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:19:28,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:19:28,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:28,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:28,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:19:28,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:28,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:28,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:19:28,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:28,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:28,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:28,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:28,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:19:28,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:28,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:28,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:19:28,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:28,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:28,732 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-03-12 00:19:28,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:19:28,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:28,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:28,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:19:28,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:28,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:28,744 INFO L142 QuantifierPusher]: treesize reduction 52, result has 1.9 percent of original size [2021-03-12 00:19:28,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:28,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:28,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:28,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:28,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:28,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:28,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:28,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:28,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:28,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:28,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:28,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:28,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:28,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:28,751 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:28,751 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:19:28,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 11 [2021-03-12 00:19:28,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129236487] [2021-03-12 00:19:28,751 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-12 00:19:28,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:19:28,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-12 00:19:28,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-03-12 00:19:28,752 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 49 [2021-03-12 00:19:28,752 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 893 transitions, 27382 flow. Second operand has 12 states, 12 states have (on average 14.333333333333334) internal successors, (172), 12 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:28,752 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:19:28,752 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 49 [2021-03-12 00:19:28,752 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:19:29,938 INFO L129 PetriNetUnfolder]: 576/2300 cut-off events. [2021-03-12 00:19:29,938 INFO L130 PetriNetUnfolder]: For 95814/95814 co-relation queries the response was YES. [2021-03-12 00:19:29,951 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28962 conditions, 2300 events. 576/2300 cut-off events. For 95814/95814 co-relation queries the response was YES. Maximal size of possible extension queue 292. Compared 24517 event pairs, 0 based on Foata normal form. 36/2336 useless extension candidates. Maximal degree in co-relation 27699. Up to 802 conditions per place. [2021-03-12 00:19:29,960 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 734 selfloop transitions, 263 changer transitions 0/1001 dead transitions. [2021-03-12 00:19:29,961 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 1001 transitions, 32460 flow [2021-03-12 00:19:29,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 00:19:29,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-12 00:19:29,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 250 transitions. [2021-03-12 00:19:29,962 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.31887755102040816 [2021-03-12 00:19:29,962 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 250 transitions. [2021-03-12 00:19:29,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 250 transitions. [2021-03-12 00:19:29,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:19:29,962 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 250 transitions. [2021-03-12 00:19:29,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 15.625) internal successors, (250), 16 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:29,963 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 49.0) internal successors, (833), 17 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:29,963 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 49.0) internal successors, (833), 17 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:29,963 INFO L185 Difference]: Start difference. First operand has 195 places, 893 transitions, 27382 flow. Second operand 16 states and 250 transitions. [2021-03-12 00:19:29,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 1001 transitions, 32460 flow [2021-03-12 00:19:30,503 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 1001 transitions, 31643 flow, removed 407 selfloop flow, removed 1 redundant places. [2021-03-12 00:19:30,531 INFO L241 Difference]: Finished difference. Result has 218 places, 959 transitions, 29425 flow [2021-03-12 00:19:30,532 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=26483, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=888, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=192, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=646, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=29425, PETRI_PLACES=218, PETRI_TRANSITIONS=959} [2021-03-12 00:19:30,533 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 203 predicate places. [2021-03-12 00:19:30,533 INFO L480 AbstractCegarLoop]: Abstraction has has 218 places, 959 transitions, 29425 flow [2021-03-12 00:19:30,533 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 14.333333333333334) internal successors, (172), 12 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:30,534 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:19:30,534 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:19:30,755 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:30,755 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:19:30,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:19:30,755 INFO L82 PathProgramCache]: Analyzing trace with hash 9399696, now seen corresponding path program 21 times [2021-03-12 00:19:30,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:19:30,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37570833] [2021-03-12 00:19:30,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:19:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:19:30,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:30,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:19:30,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:19:30,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:30,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:30,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:30,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:30,810 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:30,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37570833] [2021-03-12 00:19:30,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242647806] [2021-03-12 00:19:30,810 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-12 00:19:30,841 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-12 00:19:30,842 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:19:30,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-12 00:19:30,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:30,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:30,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:30,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:30,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:30,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:30,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:30,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:30,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:30,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:30,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:30,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:30,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:30,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:30,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:30,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-12 00:19:30,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:30,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:30,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-12 00:19:30,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:30,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:30,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-12 00:19:30,873 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2021-03-12 00:19:30,873 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:19:30,874 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 00:19:30,875 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2021-03-12 00:19:30,875 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:19:30,880 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 00:19:30,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 00:19:30,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:30,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-12 00:19:30,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-12 00:19:30,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:30,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-12 00:19:30,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-12 00:19:30,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,919 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2021-03-12 00:19:30,920 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:19:30,920 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,922 INFO L147 QuantifierPusher]: treesize reduction 14, result has 72.0 percent of original size 36 [2021-03-12 00:19:30,923 INFO L142 QuantifierPusher]: treesize reduction 14, result has 72.0 percent of original size [2021-03-12 00:19:30,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-12 00:19:30,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:30,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:19:30,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-12 00:19:30,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:30,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:19:30,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-12 00:19:30,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:30,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:30,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:30,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:30,963 INFO L147 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size 7 [2021-03-12 00:19:30,963 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-12 00:19:30,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:30,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:30,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:30,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:30,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:30,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:30,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:30,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:19:30,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:30,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:30,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:19:30,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:30,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:30,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:30,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:30,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:19:30,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:30,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:30,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:19:30,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:30,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:30,976 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-12 00:19:30,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:30,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:30,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:30,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:30,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:30,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:30,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:30,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:30,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:30,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:30,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:30,981 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:30,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:19:30,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-03-12 00:19:30,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642813942] [2021-03-12 00:19:30,981 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-12 00:19:30,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:19:30,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-12 00:19:30,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-03-12 00:19:30,982 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 49 [2021-03-12 00:19:30,982 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 959 transitions, 29425 flow. Second operand has 11 states, 11 states have (on average 14.181818181818182) internal successors, (156), 11 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:30,982 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:19:30,982 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 49 [2021-03-12 00:19:30,983 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:19:32,106 INFO L129 PetriNetUnfolder]: 586/2325 cut-off events. [2021-03-12 00:19:32,106 INFO L130 PetriNetUnfolder]: For 99910/99910 co-relation queries the response was YES. [2021-03-12 00:19:32,121 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29866 conditions, 2325 events. 586/2325 cut-off events. For 99910/99910 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 24739 event pairs, 8 based on Foata normal form. 20/2345 useless extension candidates. Maximal degree in co-relation 28595. Up to 1494 conditions per place. [2021-03-12 00:19:32,131 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 798 selfloop transitions, 211 changer transitions 0/1013 dead transitions. [2021-03-12 00:19:32,131 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 1013 transitions, 33054 flow [2021-03-12 00:19:32,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 00:19:32,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-12 00:19:32,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 210 transitions. [2021-03-12 00:19:32,132 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.32967032967032966 [2021-03-12 00:19:32,132 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 210 transitions. [2021-03-12 00:19:32,132 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 210 transitions. [2021-03-12 00:19:32,132 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:19:32,132 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 210 transitions. [2021-03-12 00:19:32,133 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 16.153846153846153) internal successors, (210), 13 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:32,133 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 49.0) internal successors, (686), 14 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:32,134 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 49.0) internal successors, (686), 14 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:32,134 INFO L185 Difference]: Start difference. First operand has 218 places, 959 transitions, 29425 flow. Second operand 13 states and 210 transitions. [2021-03-12 00:19:32,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 1013 transitions, 33054 flow [2021-03-12 00:19:32,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 1013 transitions, 32039 flow, removed 393 selfloop flow, removed 6 redundant places. [2021-03-12 00:19:32,645 INFO L241 Difference]: Finished difference. Result has 228 places, 1001 transitions, 30464 flow [2021-03-12 00:19:32,646 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=28496, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=959, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=173, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=768, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=30464, PETRI_PLACES=228, PETRI_TRANSITIONS=1001} [2021-03-12 00:19:32,646 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 213 predicate places. [2021-03-12 00:19:32,646 INFO L480 AbstractCegarLoop]: Abstraction has has 228 places, 1001 transitions, 30464 flow [2021-03-12 00:19:32,646 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 14.181818181818182) internal successors, (156), 11 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:32,646 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:19:32,646 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:19:32,851 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:32,851 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:19:32,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:19:32,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1972741076, now seen corresponding path program 22 times [2021-03-12 00:19:32,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:19:32,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188365077] [2021-03-12 00:19:32,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:19:32,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:19:32,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:32,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:19:32,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:19:32,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:19:32,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:19:32,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:19:32,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:32,914 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:32,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188365077] [2021-03-12 00:19:32,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504736986] [2021-03-12 00:19:32,914 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:32,931 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 00:19:32,932 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:19:32,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-12 00:19:32,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:19:32,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:32,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:32,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:32,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:32,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:32,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:32,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:32,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:32,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:32,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:32,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:32,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:32,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:32,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:32,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-12 00:19:32,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:32,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:32,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-12 00:19:32,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:32,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:32,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:32,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,963 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 00:19:32,963 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:19:32,964 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:19:32,964 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:19:32,966 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:32,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:19:32,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:19:32,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:19:32,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:32,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:32,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:19:32,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:32,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:32,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:19:32,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:32,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:32,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:32,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:32,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:19:32,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:32,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:32,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:19:32,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:32,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:32,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:33,006 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-12 00:19:33,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:19:33,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:33,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:33,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:33,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:33,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:19:33,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:33,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 00:19:33,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:33,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 00:19:33,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:33,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:33,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:33,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-12 00:19:33,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:19:33,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:33,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:33,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:33,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-12 00:19:33,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:19:33,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:33,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:33,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:33,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:33,028 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:19:33,029 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:19:33,029 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:33,030 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:19:33,030 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:19:33,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:19:33,051 INFO L142 QuantifierPusher]: treesize reduction 52, result has 1.9 percent of original size [2021-03-12 00:19:33,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:33,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:33,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:33,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:33,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:33,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:33,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:33,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:33,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:33,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:33,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:33,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:33,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:33,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:33,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:33,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:33,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:33,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:33,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:33,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:33,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:33,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:33,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:33,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:33,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:33,058 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:33,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:19:33,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2021-03-12 00:19:33,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128438649] [2021-03-12 00:19:33,058 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-12 00:19:33,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:19:33,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-12 00:19:33,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-03-12 00:19:33,059 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 49 [2021-03-12 00:19:33,059 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 1001 transitions, 30464 flow. Second operand has 13 states, 13 states have (on average 17.23076923076923) internal successors, (224), 13 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:33,059 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:19:33,059 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 49 [2021-03-12 00:19:33,059 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:19:34,229 INFO L129 PetriNetUnfolder]: 584/2314 cut-off events. [2021-03-12 00:19:34,229 INFO L130 PetriNetUnfolder]: For 97376/97378 co-relation queries the response was YES. [2021-03-12 00:19:34,244 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29779 conditions, 2314 events. 584/2314 cut-off events. For 97376/97378 co-relation queries the response was YES. Maximal size of possible extension queue 288. Compared 24550 event pairs, 0 based on Foata normal form. 9/2323 useless extension candidates. Maximal degree in co-relation 28518. Up to 730 conditions per place. [2021-03-12 00:19:34,253 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 703 selfloop transitions, 315 changer transitions 4/1026 dead transitions. [2021-03-12 00:19:34,254 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 1026 transitions, 33353 flow [2021-03-12 00:19:34,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 00:19:34,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-12 00:19:34,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 245 transitions. [2021-03-12 00:19:34,254 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.38461538461538464 [2021-03-12 00:19:34,254 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 245 transitions. [2021-03-12 00:19:34,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 245 transitions. [2021-03-12 00:19:34,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:19:34,255 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 245 transitions. [2021-03-12 00:19:34,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 18.846153846153847) internal successors, (245), 13 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:34,256 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 49.0) internal successors, (686), 14 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:34,256 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 49.0) internal successors, (686), 14 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:34,256 INFO L185 Difference]: Start difference. First operand has 228 places, 1001 transitions, 30464 flow. Second operand 13 states and 245 transitions. [2021-03-12 00:19:34,256 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 1026 transitions, 33353 flow [2021-03-12 00:19:34,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 1026 transitions, 32436 flow, removed 237 selfloop flow, removed 6 redundant places. [2021-03-12 00:19:34,781 INFO L241 Difference]: Finished difference. Result has 235 places, 990 transitions, 29952 flow [2021-03-12 00:19:34,782 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=29358, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=993, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=314, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=678, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=29952, PETRI_PLACES=235, PETRI_TRANSITIONS=990} [2021-03-12 00:19:34,782 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 220 predicate places. [2021-03-12 00:19:34,782 INFO L480 AbstractCegarLoop]: Abstraction has has 235 places, 990 transitions, 29952 flow [2021-03-12 00:19:34,782 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 17.23076923076923) internal successors, (224), 13 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:34,782 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:19:34,782 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:19:34,982 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2021-03-12 00:19:34,983 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:19:34,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:19:34,983 INFO L82 PathProgramCache]: Analyzing trace with hash -854998934, now seen corresponding path program 23 times [2021-03-12 00:19:34,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:19:34,983 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065067427] [2021-03-12 00:19:34,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:19:34,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:19:34,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:34,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:34,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:34,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:35,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:35,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:35,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:35,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:35,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:35,022 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:35,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065067427] [2021-03-12 00:19:35,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1048766846] [2021-03-12 00:19:35,023 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:35,043 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-12 00:19:35,044 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:19:35,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-12 00:19:35,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:19:35,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:35,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:35,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:35,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:35,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:35,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:35,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:35,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:35,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:35,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:35,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:35,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:35,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:35,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:35,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-12 00:19:35,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:35,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:35,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-12 00:19:35,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:35,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:35,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-12 00:19:35,067 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2021-03-12 00:19:35,067 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:19:35,068 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 00:19:35,069 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2021-03-12 00:19:35,070 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:19:35,070 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 00:19:35,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 00:19:35,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:35,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-12 00:19:35,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-12 00:19:35,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:35,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-12 00:19:35,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-12 00:19:35,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:35,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:35,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:35,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:19:35,103 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 00:19:35,104 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:19:35,104 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,105 INFO L147 QuantifierPusher]: treesize reduction 7, result has 65.0 percent of original size 13 [2021-03-12 00:19:35,105 INFO L142 QuantifierPusher]: treesize reduction 7, result has 65.0 percent of original size [2021-03-12 00:19:35,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:35,115 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-12 00:19:35,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:19:35,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:35,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:19:35,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 00:19:35,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:35,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:35,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:35,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:35,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:19:35,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:35,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:35,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:19:35,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:35,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:35,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:35,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:35,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:19:35,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:35,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:35,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:19:35,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:35,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:35,136 INFO L142 QuantifierPusher]: treesize reduction 35, result has 2.8 percent of original size [2021-03-12 00:19:35,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:35,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:35,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:35,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:35,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:35,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:35,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:35,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:35,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:35,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:35,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:35,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:35,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:35,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:35,142 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:35,142 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:19:35,142 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-03-12 00:19:35,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148654795] [2021-03-12 00:19:35,143 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-12 00:19:35,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:19:35,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-12 00:19:35,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-03-12 00:19:35,145 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 49 [2021-03-12 00:19:35,145 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 990 transitions, 29952 flow. Second operand has 11 states, 11 states have (on average 14.181818181818182) internal successors, (156), 11 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:35,145 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:19:35,145 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 49 [2021-03-12 00:19:35,146 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:19:36,245 INFO L129 PetriNetUnfolder]: 574/2304 cut-off events. [2021-03-12 00:19:36,245 INFO L130 PetriNetUnfolder]: For 95092/95094 co-relation queries the response was YES. [2021-03-12 00:19:36,260 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29390 conditions, 2304 events. 574/2304 cut-off events. For 95092/95094 co-relation queries the response was YES. Maximal size of possible extension queue 282. Compared 24401 event pairs, 0 based on Foata normal form. 10/2314 useless extension candidates. Maximal degree in co-relation 28123. Up to 703 conditions per place. [2021-03-12 00:19:36,270 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 615 selfloop transitions, 384 changer transitions 11/1014 dead transitions. [2021-03-12 00:19:36,270 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 1014 transitions, 32723 flow [2021-03-12 00:19:36,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 00:19:36,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-12 00:19:36,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 176 transitions. [2021-03-12 00:19:36,271 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.32653061224489793 [2021-03-12 00:19:36,271 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 176 transitions. [2021-03-12 00:19:36,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 176 transitions. [2021-03-12 00:19:36,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:19:36,271 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 176 transitions. [2021-03-12 00:19:36,271 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 16.0) internal successors, (176), 11 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:36,272 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 49.0) internal successors, (588), 12 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:36,272 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 49.0) internal successors, (588), 12 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:36,272 INFO L185 Difference]: Start difference. First operand has 235 places, 990 transitions, 29952 flow. Second operand 11 states and 176 transitions. [2021-03-12 00:19:36,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 1014 transitions, 32723 flow [2021-03-12 00:19:36,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 1014 transitions, 32426 flow, removed 41 selfloop flow, removed 5 redundant places. [2021-03-12 00:19:36,927 INFO L241 Difference]: Finished difference. Result has 243 places, 986 transitions, 30738 flow [2021-03-12 00:19:36,928 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=29670, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=990, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=379, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=608, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=30738, PETRI_PLACES=243, PETRI_TRANSITIONS=986} [2021-03-12 00:19:36,928 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 228 predicate places. [2021-03-12 00:19:36,928 INFO L480 AbstractCegarLoop]: Abstraction has has 243 places, 986 transitions, 30738 flow [2021-03-12 00:19:36,928 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 14.181818181818182) internal successors, (156), 11 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:36,928 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:19:36,928 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:19:37,129 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:37,129 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:19:37,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:19:37,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1427193646, now seen corresponding path program 24 times [2021-03-12 00:19:37,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:19:37,129 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564150189] [2021-03-12 00:19:37,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:19:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:19:37,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:37,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:37,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:37,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:37,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:37,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:37,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:37,158 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:37,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564150189] [2021-03-12 00:19:37,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535181218] [2021-03-12 00:19:37,159 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:37,180 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-12 00:19:37,180 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:19:37,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-12 00:19:37,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:19:37,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:37,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:37,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:37,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:37,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:37,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:37,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:37,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:37,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:37,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:37,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:37,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:37,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:37,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:37,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-12 00:19:37,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:37,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:37,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-12 00:19:37,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:37,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:37,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-12 00:19:37,205 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2021-03-12 00:19:37,205 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:19:37,206 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 00:19:37,208 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2021-03-12 00:19:37,208 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:19:37,209 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 00:19:37,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 00:19:37,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:37,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-12 00:19:37,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-12 00:19:37,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:37,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-12 00:19:37,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-12 00:19:37,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:37,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:37,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:37,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:19:37,240 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 00:19:37,240 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:19:37,240 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,241 INFO L147 QuantifierPusher]: treesize reduction 7, result has 65.0 percent of original size 13 [2021-03-12 00:19:37,241 INFO L142 QuantifierPusher]: treesize reduction 7, result has 65.0 percent of original size [2021-03-12 00:19:37,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:37,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:37,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:37,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:19:37,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:37,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:37,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:19:37,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:37,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:37,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:37,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:37,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:19:37,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:37,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:37,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:19:37,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:37,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:37,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:37,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-12 00:19:37,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 00:19:37,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:37,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-12 00:19:37,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 00:19:37,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:37,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:37,284 INFO L147 QuantifierPusher]: treesize reduction 8, result has 38.5 percent of original size 5 [2021-03-12 00:19:37,284 INFO L142 QuantifierPusher]: treesize reduction 8, result has 38.5 percent of original size [2021-03-12 00:19:37,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:37,287 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-12 00:19:37,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:37,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:37,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:37,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:37,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:37,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:37,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:37,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:37,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:37,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:37,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:37,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:37,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:37,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:37,292 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:37,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:19:37,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 10 [2021-03-12 00:19:37,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26220432] [2021-03-12 00:19:37,293 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-12 00:19:37,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:19:37,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-12 00:19:37,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-03-12 00:19:37,293 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 49 [2021-03-12 00:19:37,294 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 986 transitions, 30738 flow. Second operand has 11 states, 11 states have (on average 14.363636363636363) internal successors, (158), 11 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:37,294 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:19:37,294 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 49 [2021-03-12 00:19:37,294 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:19:38,507 INFO L129 PetriNetUnfolder]: 579/2381 cut-off events. [2021-03-12 00:19:38,507 INFO L130 PetriNetUnfolder]: For 109516/109518 co-relation queries the response was YES. [2021-03-12 00:19:38,525 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31356 conditions, 2381 events. 579/2381 cut-off events. For 109516/109518 co-relation queries the response was YES. Maximal size of possible extension queue 305. Compared 25777 event pairs, 7 based on Foata normal form. 14/2395 useless extension candidates. Maximal degree in co-relation 30011. Up to 829 conditions per place. [2021-03-12 00:19:38,537 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 461 selfloop transitions, 588 changer transitions 0/1053 dead transitions. [2021-03-12 00:19:38,537 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 1053 transitions, 34811 flow [2021-03-12 00:19:38,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 00:19:38,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-12 00:19:38,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 133 transitions. [2021-03-12 00:19:38,538 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.3392857142857143 [2021-03-12 00:19:38,538 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 133 transitions. [2021-03-12 00:19:38,538 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 133 transitions. [2021-03-12 00:19:38,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:19:38,538 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 133 transitions. [2021-03-12 00:19:38,539 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 16.625) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:38,539 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 49.0) internal successors, (441), 9 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:38,539 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 49.0) internal successors, (441), 9 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:38,539 INFO L185 Difference]: Start difference. First operand has 243 places, 986 transitions, 30738 flow. Second operand 8 states and 133 transitions. [2021-03-12 00:19:38,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 1053 transitions, 34811 flow [2021-03-12 00:19:39,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 1053 transitions, 34048 flow, removed 163 selfloop flow, removed 6 redundant places. [2021-03-12 00:19:39,228 INFO L241 Difference]: Finished difference. Result has 246 places, 1028 transitions, 32830 flow [2021-03-12 00:19:39,229 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=29975, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=986, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=552, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=424, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=32830, PETRI_PLACES=246, PETRI_TRANSITIONS=1028} [2021-03-12 00:19:39,229 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 231 predicate places. [2021-03-12 00:19:39,229 INFO L480 AbstractCegarLoop]: Abstraction has has 246 places, 1028 transitions, 32830 flow [2021-03-12 00:19:39,229 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 14.363636363636363) internal successors, (158), 11 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:39,229 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:19:39,229 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:19:39,432 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2021-03-12 00:19:39,432 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:19:39,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:19:39,432 INFO L82 PathProgramCache]: Analyzing trace with hash -1465451883, now seen corresponding path program 25 times [2021-03-12 00:19:39,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:19:39,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105597347] [2021-03-12 00:19:39,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:19:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:19:39,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 00:19:39,465 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-03-12 00:19:39,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-12 00:19:39,481 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.6 percent of original size [2021-03-12 00:19:39,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 00:19:39,499 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-03-12 00:19:39,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-12 00:19:39,532 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-03-12 00:19:39,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-12 00:19:39,565 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-12 00:19:39,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 00:19:39,587 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-12 00:19:39,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 00:19:39,598 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-12 00:19:39,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:39,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:39,599 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:39,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105597347] [2021-03-12 00:19:39,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864007231] [2021-03-12 00:19:39,599 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-12 00:19:39,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:19:39,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-12 00:19:39,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:19:39,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:39,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:39,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:39,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:39,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:39,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:39,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:39,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:39,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:39,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:39,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:39,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:39,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:39,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:39,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:39,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:39,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:39,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:39,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:39,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:39,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:39,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 00:19:39,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 00:19:39,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 00:19:39,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 00:19:39,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 00:19:39,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 00:19:39,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 00:19:39,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 00:19:39,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:39,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:39,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:39,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:39,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 00:19:39,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,695 INFO L147 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size 9 [2021-03-12 00:19:39,695 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-03-12 00:19:39,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:39,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:39,709 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-12 00:19:39,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:19:39,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:39,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:39,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:19:39,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:39,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:39,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:39,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:39,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:39,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:39,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:39,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:39,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:39,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:39,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:39,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:39,717 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:19:39,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:19:39,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 12 [2021-03-12 00:19:39,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624833405] [2021-03-12 00:19:39,718 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-12 00:19:39,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:19:39,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-12 00:19:39,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-03-12 00:19:39,719 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 49 [2021-03-12 00:19:39,719 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 1028 transitions, 32830 flow. Second operand has 13 states, 13 states have (on average 14.307692307692308) internal successors, (186), 13 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:39,719 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:19:39,719 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 49 [2021-03-12 00:19:39,719 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:19:41,470 INFO L129 PetriNetUnfolder]: 823/3099 cut-off events. [2021-03-12 00:19:41,470 INFO L130 PetriNetUnfolder]: For 142403/142405 co-relation queries the response was YES. [2021-03-12 00:19:41,494 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42706 conditions, 3099 events. 823/3099 cut-off events. For 142403/142405 co-relation queries the response was YES. Maximal size of possible extension queue 350. Compared 33870 event pairs, 7 based on Foata normal form. 89/3188 useless extension candidates. Maximal degree in co-relation 41231. Up to 1957 conditions per place. [2021-03-12 00:19:41,508 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 1165 selfloop transitions, 325 changer transitions 63/1557 dead transitions. [2021-03-12 00:19:41,508 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 1557 transitions, 54251 flow [2021-03-12 00:19:41,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 00:19:41,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-12 00:19:41,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 223 transitions. [2021-03-12 00:19:41,509 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.3250728862973761 [2021-03-12 00:19:41,509 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 223 transitions. [2021-03-12 00:19:41,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 223 transitions. [2021-03-12 00:19:41,510 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:19:41,510 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 223 transitions. [2021-03-12 00:19:41,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 15.928571428571429) internal successors, (223), 14 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:41,511 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 49.0) internal successors, (735), 15 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:41,511 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 49.0) internal successors, (735), 15 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:41,511 INFO L185 Difference]: Start difference. First operand has 246 places, 1028 transitions, 32830 flow. Second operand 14 states and 223 transitions. [2021-03-12 00:19:41,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 1557 transitions, 54251 flow [2021-03-12 00:19:42,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 1557 transitions, 53887 flow, removed 161 selfloop flow, removed 3 redundant places. [2021-03-12 00:19:42,537 INFO L241 Difference]: Finished difference. Result has 263 places, 1330 transitions, 44930 flow [2021-03-12 00:19:42,538 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=32488, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1026, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=743, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=44930, PETRI_PLACES=263, PETRI_TRANSITIONS=1330} [2021-03-12 00:19:42,538 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 248 predicate places. [2021-03-12 00:19:42,538 INFO L480 AbstractCegarLoop]: Abstraction has has 263 places, 1330 transitions, 44930 flow [2021-03-12 00:19:42,538 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 14.307692307692308) internal successors, (186), 13 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:42,538 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:19:42,538 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:19:42,743 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:42,743 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:19:42,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:19:42,744 INFO L82 PathProgramCache]: Analyzing trace with hash -610149834, now seen corresponding path program 26 times [2021-03-12 00:19:42,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:19:42,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631081099] [2021-03-12 00:19:42,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:19:42,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:19:42,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:42,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:42,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:42,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:42,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:19:42,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:42,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:19:42,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:19:42,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:42,787 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:19:42,788 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631081099] [2021-03-12 00:19:42,788 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478938490] [2021-03-12 00:19:42,788 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:42,807 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 00:19:42,807 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:19:42,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-12 00:19:42,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:19:42,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:42,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:42,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:42,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-12 00:19:42,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:42,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:42,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:42,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:42,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:42,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:42,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:42,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:42,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:19:42,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:42,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:42,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:19:42,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:42,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:42,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:42,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:42,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:19:42,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:42,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:42,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:19:42,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:42,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:42,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:42,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:42,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:19:42,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:42,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:42,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:19:42,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:42,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:42,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:42,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:42,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:42,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:42,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:42,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:19:42,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:42,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:42,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:19:42,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:42,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:42,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:42,837 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 00:19:42,837 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:19:42,838 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:19:42,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:19:42,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:42,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:19:42,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:19:42,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:42,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:19:42,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:19:42,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:42,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:42,863 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:19:42,863 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:19:42,863 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,866 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:19:42,867 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:19:42,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:19:42,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:42,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:19:42,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:19:42,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:42,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:19:42,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:19:42,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:42,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:42,889 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:19:42,889 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:19:42,890 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,891 INFO L147 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size 26 [2021-03-12 00:19:42,891 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size [2021-03-12 00:19:42,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:42,913 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-03-12 00:19:42,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:19:42,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:42,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:42,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:19:42,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:42,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:42,925 INFO L142 QuantifierPusher]: treesize reduction 52, result has 1.9 percent of original size [2021-03-12 00:19:42,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:42,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:42,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:42,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:42,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:42,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:42,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:42,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:42,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:42,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:42,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:42,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:42,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:42,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:42,930 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:42,930 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:19:42,930 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 10 [2021-03-12 00:19:42,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269660812] [2021-03-12 00:19:42,930 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-12 00:19:42,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:19:42,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-12 00:19:42,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-03-12 00:19:42,931 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 49 [2021-03-12 00:19:42,932 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 1330 transitions, 44930 flow. Second operand has 11 states, 11 states have (on average 27.363636363636363) internal successors, (301), 11 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:42,932 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:19:42,932 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 49 [2021-03-12 00:19:42,932 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:19:45,345 INFO L129 PetriNetUnfolder]: 1093/4052 cut-off events. [2021-03-12 00:19:45,345 INFO L130 PetriNetUnfolder]: For 203422/203424 co-relation queries the response was YES. [2021-03-12 00:19:45,377 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58518 conditions, 4052 events. 1093/4052 cut-off events. For 203422/203424 co-relation queries the response was YES. Maximal size of possible extension queue 468. Compared 46437 event pairs, 0 based on Foata normal form. 7/4059 useless extension candidates. Maximal degree in co-relation 56808. Up to 1187 conditions per place. [2021-03-12 00:19:45,397 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 990 selfloop transitions, 816 changer transitions 0/1811 dead transitions. [2021-03-12 00:19:45,397 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 1811 transitions, 64890 flow [2021-03-12 00:19:45,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 00:19:45,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-12 00:19:45,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 431 transitions. [2021-03-12 00:19:45,404 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5863945578231292 [2021-03-12 00:19:45,404 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 431 transitions. [2021-03-12 00:19:45,404 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 431 transitions. [2021-03-12 00:19:45,405 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:19:45,406 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 431 transitions. [2021-03-12 00:19:45,408 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 28.733333333333334) internal successors, (431), 15 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:45,409 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 49.0) internal successors, (784), 16 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:45,409 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 49.0) internal successors, (784), 16 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:45,409 INFO L185 Difference]: Start difference. First operand has 263 places, 1330 transitions, 44930 flow. Second operand 15 states and 431 transitions. [2021-03-12 00:19:45,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 1811 transitions, 64890 flow [2021-03-12 00:19:46,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 1811 transitions, 63790 flow, removed 544 selfloop flow, removed 2 redundant places. [2021-03-12 00:19:46,901 INFO L241 Difference]: Finished difference. Result has 278 places, 1722 transitions, 60772 flow [2021-03-12 00:19:46,902 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=44190, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1330, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=450, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=582, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=60772, PETRI_PLACES=278, PETRI_TRANSITIONS=1722} [2021-03-12 00:19:46,902 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 263 predicate places. [2021-03-12 00:19:46,902 INFO L480 AbstractCegarLoop]: Abstraction has has 278 places, 1722 transitions, 60772 flow [2021-03-12 00:19:46,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.363636363636363) internal successors, (301), 11 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:46,902 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:19:46,902 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:19:47,107 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,28 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:47,107 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:19:47,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:19:47,108 INFO L82 PathProgramCache]: Analyzing trace with hash -989707932, now seen corresponding path program 27 times [2021-03-12 00:19:47,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:19:47,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907460273] [2021-03-12 00:19:47,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:19:47,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:19:47,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:47,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:47,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:47,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:47,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:19:47,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:47,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:47,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:19:47,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:47,159 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:19:47,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907460273] [2021-03-12 00:19:47,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641209453] [2021-03-12 00:19:47,159 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:47,184 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-12 00:19:47,184 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:19:47,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-12 00:19:47,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:19:47,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:47,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:47,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:47,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-12 00:19:47,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:47,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:47,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:47,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:47,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:47,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:47,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:47,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:47,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:47,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:47,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:47,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:47,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:19:47,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:47,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:47,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:19:47,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:47,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:47,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:47,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:47,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:19:47,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:47,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:47,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:19:47,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:47,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:47,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:47,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:47,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:19:47,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:47,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:47,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:19:47,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:47,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:47,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:47,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:19:47,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:47,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:47,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:19:47,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:47,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:47,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:47,214 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 00:19:47,214 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:19:47,214 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:19:47,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:19:47,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:47,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:19:47,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:19:47,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:47,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:19:47,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:19:47,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:47,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:47,255 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:19:47,255 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:19:47,260 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,261 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:19:47,261 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:19:47,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:19:47,279 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-12 00:19:47,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:19:47,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:47,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:47,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:19:47,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 00:19:47,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 00:19:47,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 00:19:47,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 00:19:47,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 00:19:47,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 00:19:47,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:47,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-12 00:19:47,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:19:47,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:47,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-12 00:19:47,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:19:47,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:47,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:47,306 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:19:47,306 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:19:47,306 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,307 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:19:47,308 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:19:47,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:19:47,328 INFO L142 QuantifierPusher]: treesize reduction 52, result has 1.9 percent of original size [2021-03-12 00:19:47,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:47,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:47,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:47,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:47,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:47,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:47,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:47,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:47,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:47,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:47,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:47,334 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:47,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:19:47,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 11 [2021-03-12 00:19:47,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118048356] [2021-03-12 00:19:47,334 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-12 00:19:47,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:19:47,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-12 00:19:47,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-03-12 00:19:47,335 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 49 [2021-03-12 00:19:47,336 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 1722 transitions, 60772 flow. Second operand has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:47,336 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:19:47,336 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 49 [2021-03-12 00:19:47,336 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:19:50,343 INFO L129 PetriNetUnfolder]: 1084/4050 cut-off events. [2021-03-12 00:19:50,343 INFO L130 PetriNetUnfolder]: For 217578/217578 co-relation queries the response was YES. [2021-03-12 00:19:50,376 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60883 conditions, 4050 events. 1084/4050 cut-off events. For 217578/217578 co-relation queries the response was YES. Maximal size of possible extension queue 485. Compared 46636 event pairs, 0 based on Foata normal form. 13/4063 useless extension candidates. Maximal degree in co-relation 59168. Up to 1179 conditions per place. [2021-03-12 00:19:50,397 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 970 selfloop transitions, 822 changer transitions 8/1805 dead transitions. [2021-03-12 00:19:50,397 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 293 places, 1805 transitions, 67347 flow [2021-03-12 00:19:50,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 00:19:50,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-12 00:19:50,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 459 transitions. [2021-03-12 00:19:50,398 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5854591836734694 [2021-03-12 00:19:50,398 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 459 transitions. [2021-03-12 00:19:50,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 459 transitions. [2021-03-12 00:19:50,398 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:19:50,399 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 459 transitions. [2021-03-12 00:19:50,399 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 28.6875) internal successors, (459), 16 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:50,400 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 49.0) internal successors, (833), 17 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:50,400 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 49.0) internal successors, (833), 17 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:50,400 INFO L185 Difference]: Start difference. First operand has 278 places, 1722 transitions, 60772 flow. Second operand 16 states and 459 transitions. [2021-03-12 00:19:50,400 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 293 places, 1805 transitions, 67347 flow [2021-03-12 00:19:52,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 1805 transitions, 66205 flow, removed 568 selfloop flow, removed 2 redundant places. [2021-03-12 00:19:52,060 INFO L241 Difference]: Finished difference. Result has 294 places, 1722 transitions, 62196 flow [2021-03-12 00:19:52,061 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=59664, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1722, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=814, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=901, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=62196, PETRI_PLACES=294, PETRI_TRANSITIONS=1722} [2021-03-12 00:19:52,061 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 279 predicate places. [2021-03-12 00:19:52,061 INFO L480 AbstractCegarLoop]: Abstraction has has 294 places, 1722 transitions, 62196 flow [2021-03-12 00:19:52,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:52,061 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:19:52,061 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:19:52,262 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:52,262 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:19:52,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:19:52,262 INFO L82 PathProgramCache]: Analyzing trace with hash -1908988658, now seen corresponding path program 28 times [2021-03-12 00:19:52,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:19:52,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588481275] [2021-03-12 00:19:52,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:19:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:19:52,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:52,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:52,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:19:52,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:19:52,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:19:52,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:19:52,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:52,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:52,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:52,314 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:19:52,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588481275] [2021-03-12 00:19:52,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333655472] [2021-03-12 00:19:52,314 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:52,333 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 00:19:52,333 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:19:52,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-12 00:19:52,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:19:52,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:52,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:52,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:52,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-12 00:19:52,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:52,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:52,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:52,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:52,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:52,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:52,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:52,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:52,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:52,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:52,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:52,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:52,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:19:52,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:52,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:52,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:19:52,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:52,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:52,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:52,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:19:52,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:52,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:52,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:19:52,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:52,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:52,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:52,355 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 00:19:52,355 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:19:52,356 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:52,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:52,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:52,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:19:52,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:19:52,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:52,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:19:52,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:19:52,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:52,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:52,386 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:19:52,386 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:19:52,387 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,387 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:19:52,388 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:19:52,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:19:52,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:52,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:19:52,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:19:52,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:52,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:19:52,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:19:52,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:52,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:52,422 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:19:52,422 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:19:52,422 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,423 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:19:52,423 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:19:52,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:19:52,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:52,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:52,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:19:52,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:52,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:52,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:19:52,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:52,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:52,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:52,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:19:52,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:19:52,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:52,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:19:52,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:19:52,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:52,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:52,460 INFO L147 QuantifierPusher]: treesize reduction 6, result has 53.8 percent of original size 7 [2021-03-12 00:19:52,460 INFO L142 QuantifierPusher]: treesize reduction 6, result has 53.8 percent of original size [2021-03-12 00:19:52,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:52,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:52,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:52,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:52,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:52,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:52,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:52,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:19:52,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:52,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:52,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:19:52,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:52,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:52,474 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-12 00:19:52,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:52,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:52,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:52,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:52,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:52,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:52,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:52,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:52,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:52,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:52,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:52,478 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:19:52,478 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:19:52,478 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 10 [2021-03-12 00:19:52,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228091245] [2021-03-12 00:19:52,479 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-12 00:19:52,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:19:52,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-12 00:19:52,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-03-12 00:19:52,480 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 49 [2021-03-12 00:19:52,480 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 1722 transitions, 62196 flow. Second operand has 11 states, 11 states have (on average 27.363636363636363) internal successors, (301), 11 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:52,480 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:19:52,480 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 49 [2021-03-12 00:19:52,480 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:19:55,585 INFO L129 PetriNetUnfolder]: 1130/4300 cut-off events. [2021-03-12 00:19:55,585 INFO L130 PetriNetUnfolder]: For 235765/235767 co-relation queries the response was YES. [2021-03-12 00:19:55,620 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65215 conditions, 4300 events. 1130/4300 cut-off events. For 235765/235767 co-relation queries the response was YES. Maximal size of possible extension queue 514. Compared 50272 event pairs, 25 based on Foata normal form. 38/4338 useless extension candidates. Maximal degree in co-relation 63350. Up to 2271 conditions per place. [2021-03-12 00:19:55,642 INFO L132 encePairwiseOnDemand]: 45/49 looper letters, 1358 selfloop transitions, 473 changer transitions 0/1836 dead transitions. [2021-03-12 00:19:55,643 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 1836 transitions, 69768 flow [2021-03-12 00:19:55,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 00:19:55,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-12 00:19:55,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 205 transitions. [2021-03-12 00:19:55,643 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.597667638483965 [2021-03-12 00:19:55,643 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 205 transitions. [2021-03-12 00:19:55,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 205 transitions. [2021-03-12 00:19:55,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:19:55,644 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 205 transitions. [2021-03-12 00:19:55,644 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 29.285714285714285) internal successors, (205), 7 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:55,644 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 49.0) internal successors, (392), 8 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:55,644 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 49.0) internal successors, (392), 8 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:55,644 INFO L185 Difference]: Start difference. First operand has 294 places, 1722 transitions, 62196 flow. Second operand 7 states and 205 transitions. [2021-03-12 00:19:55,644 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 1836 transitions, 69768 flow [2021-03-12 00:19:57,543 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 1836 transitions, 68176 flow, removed 93 selfloop flow, removed 12 redundant places. [2021-03-12 00:19:57,598 INFO L241 Difference]: Finished difference. Result has 292 places, 1802 transitions, 65374 flow [2021-03-12 00:19:57,599 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=60654, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1719, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=394, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1254, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=65374, PETRI_PLACES=292, PETRI_TRANSITIONS=1802} [2021-03-12 00:19:57,600 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 277 predicate places. [2021-03-12 00:19:57,600 INFO L480 AbstractCegarLoop]: Abstraction has has 292 places, 1802 transitions, 65374 flow [2021-03-12 00:19:57,600 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.363636363636363) internal successors, (301), 11 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:57,600 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:19:57,600 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:19:57,822 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable79 [2021-03-12 00:19:57,823 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:19:57,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:19:57,823 INFO L82 PathProgramCache]: Analyzing trace with hash 881763402, now seen corresponding path program 29 times [2021-03-12 00:19:57,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:19:57,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491489257] [2021-03-12 00:19:57,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:19:57,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:19:57,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:57,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:57,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:57,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:19:57,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:19:57,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:19:57,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:57,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:57,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:57,875 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:57,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491489257] [2021-03-12 00:19:57,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107919122] [2021-03-12 00:19:57,875 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-12 00:19:57,911 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-03-12 00:19:57,911 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:19:57,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-12 00:19:57,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:19:57,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:19:57,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:57,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:57,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-12 00:19:57,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:57,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:57,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:57,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:57,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:57,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:19:57,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:57,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:57,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:19:57,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:57,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:19:57,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:19:57,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:57,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:57,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:57,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:57,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:19:57,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:57,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:19:57,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:19:57,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:57,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:57,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:57,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:57,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:57,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:57,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:57,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:19:57,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:57,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:57,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:19:57,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:19:57,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:57,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:57,948 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 00:19:57,948 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:19:57,949 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:19:57,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:19:57,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:57,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:19:57,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:19:57,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:57,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:19:57,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:19:57,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:57,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:57,978 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:19:57,978 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:19:57,979 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:57,980 INFO L147 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size 26 [2021-03-12 00:19:57,981 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size [2021-03-12 00:19:57,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:57,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:58,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:58,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:58,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:19:58,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:19:58,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:58,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:58,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:58,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:19:58,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:19:58,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:58,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:58,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:58,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:19:58,012 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:19:58,012 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:19:58,012 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:58,013 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:19:58,014 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:19:58,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:19:58,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:58,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:58,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:58,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:19:58,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:19:58,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:58,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:58,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:58,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:19:58,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:19:58,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:58,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:58,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:58,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:19:58,046 INFO L147 QuantifierPusher]: treesize reduction 6, result has 53.8 percent of original size 7 [2021-03-12 00:19:58,046 INFO L142 QuantifierPusher]: treesize reduction 6, result has 53.8 percent of original size [2021-03-12 00:19:58,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:58,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:58,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:58,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:58,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:58,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:58,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:58,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:58,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:58,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:58,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:58,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:58,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:58,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:19:58,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:58,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:19:58,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:58,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:19:58,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:19:58,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:58,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:58,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:58,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:19:58,060 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-12 00:19:58,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:58,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:58,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:58,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:58,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:58,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:58,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:58,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:58,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:58,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:58,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:58,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:58,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:58,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:58,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:58,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:58,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:58,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:19:58,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:19:58,065 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:19:58,066 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:19:58,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 10 [2021-03-12 00:19:58,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893200992] [2021-03-12 00:19:58,067 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-12 00:19:58,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:19:58,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-12 00:19:58,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-03-12 00:19:58,068 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 49 [2021-03-12 00:19:58,068 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 1802 transitions, 65374 flow. Second operand has 11 states, 11 states have (on average 27.272727272727273) internal successors, (300), 11 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:19:58,068 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:19:58,069 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 49 [2021-03-12 00:19:58,069 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:20:01,773 INFO L129 PetriNetUnfolder]: 1228/4772 cut-off events. [2021-03-12 00:20:01,773 INFO L130 PetriNetUnfolder]: For 277023/277025 co-relation queries the response was YES. [2021-03-12 00:20:01,819 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72769 conditions, 4772 events. 1228/4772 cut-off events. For 277023/277025 co-relation queries the response was YES. Maximal size of possible extension queue 572. Compared 57171 event pairs, 33 based on Foata normal form. 55/4827 useless extension candidates. Maximal degree in co-relation 70656. Up to 1768 conditions per place. [2021-03-12 00:20:01,847 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 1095 selfloop transitions, 941 changer transitions 0/2041 dead transitions. [2021-03-12 00:20:01,847 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 2041 transitions, 77925 flow [2021-03-12 00:20:01,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 00:20:01,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-12 00:20:01,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 293 transitions. [2021-03-12 00:20:01,848 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5979591836734693 [2021-03-12 00:20:01,848 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 293 transitions. [2021-03-12 00:20:01,848 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 293 transitions. [2021-03-12 00:20:01,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:20:01,848 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 293 transitions. [2021-03-12 00:20:01,848 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 29.3) internal successors, (293), 10 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:20:01,849 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:20:01,849 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:20:01,849 INFO L185 Difference]: Start difference. First operand has 292 places, 1802 transitions, 65374 flow. Second operand 10 states and 293 transitions. [2021-03-12 00:20:01,849 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 2041 transitions, 77925 flow [2021-03-12 00:20:04,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 2041 transitions, 77496 flow, removed 213 selfloop flow, removed 1 redundant places. [2021-03-12 00:20:04,183 INFO L241 Difference]: Finished difference. Result has 306 places, 1986 transitions, 75412 flow [2021-03-12 00:20:04,185 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=65046, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1801, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=781, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=956, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=75412, PETRI_PLACES=306, PETRI_TRANSITIONS=1986} [2021-03-12 00:20:04,185 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 291 predicate places. [2021-03-12 00:20:04,185 INFO L480 AbstractCegarLoop]: Abstraction has has 306 places, 1986 transitions, 75412 flow [2021-03-12 00:20:04,185 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.272727272727273) internal successors, (300), 11 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:20:04,185 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:20:04,185 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:20:04,385 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:20:04,386 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:20:04,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:20:04,386 INFO L82 PathProgramCache]: Analyzing trace with hash -840394166, now seen corresponding path program 30 times [2021-03-12 00:20:04,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:20:04,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003790430] [2021-03-12 00:20:04,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:20:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:20:04,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:04,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:04,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:04,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:20:04,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:20:04,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:20:04,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:20:04,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:20:04,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:04,444 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:20:04,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003790430] [2021-03-12 00:20:04,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [528936570] [2021-03-12 00:20:04,444 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:20:04,467 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-03-12 00:20:04,467 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:20:04,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-12 00:20:04,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:20:04,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:20:04,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:04,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:20:04,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-12 00:20:04,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:04,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:04,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:04,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:04,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:04,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:04,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:04,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:04,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:04,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:04,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:04,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:20:04,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:20:04,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:04,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:20:04,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:20:04,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:04,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:04,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:04,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:20:04,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:20:04,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:04,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:20:04,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:20:04,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:04,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:04,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:04,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:20:04,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:20:04,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:04,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:20:04,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:20:04,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:04,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:20:04,498 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 00:20:04,498 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:20:04,499 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:20:04,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:20:04,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:04,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:20:04,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:20:04,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:04,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:20:04,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:20:04,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:04,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:20:04,527 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:20:04,527 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:20:04,528 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,529 INFO L147 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size 26 [2021-03-12 00:20:04,529 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size [2021-03-12 00:20:04,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:20:04,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:04,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:20:04,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:20:04,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:04,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:20:04,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:20:04,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:04,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:20:04,557 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:20:04,557 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:20:04,558 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,559 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:20:04,559 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:20:04,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:20:04,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:04,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:20:04,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:20:04,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:04,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:20:04,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:20:04,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:20:04,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:20:04,586 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-03-12 00:20:04,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:20:04,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:04,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:20:04,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:20:04,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:20:04,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:20:04,600 INFO L142 QuantifierPusher]: treesize reduction 52, result has 1.9 percent of original size [2021-03-12 00:20:04,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:04,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:04,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:04,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:04,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:04,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:04,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:04,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:04,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:04,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:04,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:04,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:04,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:04,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:04,607 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:20:04,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:20:04,607 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 10 [2021-03-12 00:20:04,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762338705] [2021-03-12 00:20:04,608 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-12 00:20:04,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:20:04,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-12 00:20:04,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-03-12 00:20:04,608 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 49 [2021-03-12 00:20:04,609 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 1986 transitions, 75412 flow. Second operand has 11 states, 11 states have (on average 27.454545454545453) internal successors, (302), 11 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:20:04,609 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:20:04,609 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 49 [2021-03-12 00:20:04,609 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:20:08,968 INFO L129 PetriNetUnfolder]: 1219/4768 cut-off events. [2021-03-12 00:20:08,968 INFO L130 PetriNetUnfolder]: For 292321/292321 co-relation queries the response was YES. [2021-03-12 00:20:09,007 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75483 conditions, 4768 events. 1219/4768 cut-off events. For 292321/292321 co-relation queries the response was YES. Maximal size of possible extension queue 577. Compared 57216 event pairs, 0 based on Foata normal form. 11/4779 useless extension candidates. Maximal degree in co-relation 73354. Up to 1391 conditions per place. [2021-03-12 00:20:09,031 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 1226 selfloop transitions, 803 changer transitions 0/2034 dead transitions. [2021-03-12 00:20:09,031 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 2034 transitions, 81333 flow [2021-03-12 00:20:09,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 00:20:09,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-12 00:20:09,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 401 transitions. [2021-03-12 00:20:09,032 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5845481049562682 [2021-03-12 00:20:09,032 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 401 transitions. [2021-03-12 00:20:09,032 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 401 transitions. [2021-03-12 00:20:09,033 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:20:09,033 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 401 transitions. [2021-03-12 00:20:09,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 28.642857142857142) internal successors, (401), 14 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:20:09,034 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 49.0) internal successors, (735), 15 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:20:09,034 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 49.0) internal successors, (735), 15 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:20:09,034 INFO L185 Difference]: Start difference. First operand has 306 places, 1986 transitions, 75412 flow. Second operand 14 states and 401 transitions. [2021-03-12 00:20:09,034 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 2034 transitions, 81333 flow [2021-03-12 00:20:11,151 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 2034 transitions, 79973 flow, removed 586 selfloop flow, removed 4 redundant places. [2021-03-12 00:20:11,204 INFO L241 Difference]: Finished difference. Result has 317 places, 1982 transitions, 76009 flow [2021-03-12 00:20:11,206 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=73647, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1975, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=796, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=76009, PETRI_PLACES=317, PETRI_TRANSITIONS=1982} [2021-03-12 00:20:11,206 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 302 predicate places. [2021-03-12 00:20:11,206 INFO L480 AbstractCegarLoop]: Abstraction has has 317 places, 1982 transitions, 76009 flow [2021-03-12 00:20:11,206 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.454545454545453) internal successors, (302), 11 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:20:11,206 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:20:11,206 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:20:11,406 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable87 [2021-03-12 00:20:11,407 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:20:11,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:20:11,407 INFO L82 PathProgramCache]: Analyzing trace with hash 1666303734, now seen corresponding path program 31 times [2021-03-12 00:20:11,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:20:11,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728609250] [2021-03-12 00:20:11,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:20:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:20:11,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:11,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:11,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:11,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:11,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:20:11,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:11,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:20:11,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:20:11,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:11,445 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:20:11,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728609250] [2021-03-12 00:20:11,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396830176] [2021-03-12 00:20:11,445 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:20:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:20:11,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-12 00:20:11,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:20:11,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:20:11,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:11,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:20:11,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-12 00:20:11,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:11,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:11,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:11,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:11,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:11,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:11,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:11,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:20:11,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:20:11,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:11,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:20:11,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:20:11,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:11,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:11,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:11,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:20:11,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:20:11,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:11,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:20:11,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:20:11,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:11,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:11,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:11,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:11,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:11,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:11,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:11,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:20:11,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:20:11,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:11,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:20:11,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:20:11,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:11,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:11,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:11,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:20:11,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:20:11,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:11,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:20:11,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:20:11,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:11,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:20:11,511 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 00:20:11,511 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:20:11,512 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:20:11,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:20:11,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:11,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:20:11,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:20:11,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:11,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:20:11,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:20:11,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:11,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:20:11,537 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:20:11,537 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:20:11,538 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,539 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:20:11,539 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:20:11,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:20:11,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:11,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:20:11,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:20:11,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:11,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:20:11,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:20:11,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:11,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:20:11,568 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:20:11,568 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:20:11,569 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,570 INFO L147 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size 26 [2021-03-12 00:20:11,570 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size [2021-03-12 00:20:11,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:20:11,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:11,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:20:11,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:20:11,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:11,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:20:11,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:20:11,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:11,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:11,597 INFO L147 QuantifierPusher]: treesize reduction 8, result has 38.5 percent of original size 5 [2021-03-12 00:20:11,598 INFO L142 QuantifierPusher]: treesize reduction 8, result has 38.5 percent of original size [2021-03-12 00:20:11,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:11,602 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-12 00:20:11,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:11,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:11,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:11,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:11,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:11,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:11,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:11,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:11,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:11,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:11,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:11,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:11,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:11,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:11,608 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:20:11,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:20:11,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 9 [2021-03-12 00:20:11,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439787007] [2021-03-12 00:20:11,608 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-12 00:20:11,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:20:11,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-12 00:20:11,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2021-03-12 00:20:11,609 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 49 [2021-03-12 00:20:11,609 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 1982 transitions, 76009 flow. Second operand has 10 states, 10 states have (on average 27.4) internal successors, (274), 10 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:20:11,609 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:20:11,609 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 49 [2021-03-12 00:20:11,609 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:20:15,970 INFO L129 PetriNetUnfolder]: 1227/4908 cut-off events. [2021-03-12 00:20:15,970 INFO L130 PetriNetUnfolder]: For 307916/307916 co-relation queries the response was YES. [2021-03-12 00:20:16,013 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78257 conditions, 4908 events. 1227/4908 cut-off events. For 307916/307916 co-relation queries the response was YES. Maximal size of possible extension queue 589. Compared 59629 event pairs, 33 based on Foata normal form. 8/4916 useless extension candidates. Maximal degree in co-relation 76016. Up to 1447 conditions per place. [2021-03-12 00:20:16,045 INFO L132 encePairwiseOnDemand]: 45/49 looper letters, 905 selfloop transitions, 1175 changer transitions 0/2085 dead transitions. [2021-03-12 00:20:16,045 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 326 places, 2085 transitions, 84055 flow [2021-03-12 00:20:16,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 00:20:16,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-12 00:20:16,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 291 transitions. [2021-03-12 00:20:16,047 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5938775510204082 [2021-03-12 00:20:16,047 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 291 transitions. [2021-03-12 00:20:16,047 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 291 transitions. [2021-03-12 00:20:16,047 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:20:16,047 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 291 transitions. [2021-03-12 00:20:16,048 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 29.1) internal successors, (291), 10 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:20:16,048 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:20:16,048 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:20:16,048 INFO L185 Difference]: Start difference. First operand has 317 places, 1982 transitions, 76009 flow. Second operand 10 states and 291 transitions. [2021-03-12 00:20:16,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 326 places, 2085 transitions, 84055 flow [2021-03-12 00:20:18,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 2085 transitions, 83813 flow, removed 118 selfloop flow, removed 2 redundant places. [2021-03-12 00:20:18,550 INFO L241 Difference]: Finished difference. Result has 327 places, 2030 transitions, 80874 flow [2021-03-12 00:20:18,551 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=75785, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1982, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1131, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=831, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=80874, PETRI_PLACES=327, PETRI_TRANSITIONS=2030} [2021-03-12 00:20:18,551 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 312 predicate places. [2021-03-12 00:20:18,551 INFO L480 AbstractCegarLoop]: Abstraction has has 327 places, 2030 transitions, 80874 flow [2021-03-12 00:20:18,551 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.4) internal successors, (274), 10 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:20:18,551 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:20:18,551 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:20:18,752 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable91 [2021-03-12 00:20:18,752 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:20:18,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:20:18,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1162771878, now seen corresponding path program 32 times [2021-03-12 00:20:18,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:20:18,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002992603] [2021-03-12 00:20:18,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:20:18,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:20:18,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:20:18,773 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.8 percent of original size [2021-03-12 00:20:18,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 00:20:18,781 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.8 percent of original size [2021-03-12 00:20:18,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 00:20:18,790 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-03-12 00:20:18,790 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-12 00:20:18,800 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-12 00:20:18,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:18,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:18,801 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-03-12 00:20:18,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002992603] [2021-03-12 00:20:18,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232519864] [2021-03-12 00:20:18,801 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:20:18,819 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 00:20:18,819 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:20:18,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-12 00:20:18,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:20:18,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:20:18,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:18,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:20:18,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-12 00:20:18,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:18,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:18,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:18,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:18,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:18,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:18,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:18,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:20:18,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:20:18,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:18,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:20:18,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:20:18,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:18,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:18,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:18,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:20:18,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:20:18,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:18,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:20:18,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:20:18,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:18,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:18,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:18,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:20:18,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:20:18,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:18,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:20:18,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:20:18,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:18,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:18,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:18,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:18,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:18,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:18,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:18,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:20:18,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:20:18,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:18,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:20:18,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:20:18,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:18,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:20:18,868 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 00:20:18,868 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:20:18,869 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:20:18,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:20:18,892 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-12 00:20:18,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:20:18,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:18,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:20:18,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:20:18,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 00:20:18,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 00:20:18,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 00:20:18,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 00:20:18,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 00:20:18,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 00:20:18,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:18,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-12 00:20:18,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:20:18,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:18,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-12 00:20:18,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:20:18,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:18,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:20:18,918 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:20:18,919 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:20:18,919 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,920 INFO L147 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size 34 [2021-03-12 00:20:18,920 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-03-12 00:20:18,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 00:20:18,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:18,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-12 00:20:18,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:20:18,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:18,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-12 00:20:18,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:20:18,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:18,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:20:18,950 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:20:18,950 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:20:18,951 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,952 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:20:18,952 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:20:18,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:20:18,975 INFO L142 QuantifierPusher]: treesize reduction 52, result has 1.9 percent of original size [2021-03-12 00:20:18,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:18,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:18,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:18,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:18,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:18,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:18,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:18,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:18,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:18,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:18,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:18,979 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:20:18,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:20:18,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9] total 13 [2021-03-12 00:20:18,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557136064] [2021-03-12 00:20:18,979 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-12 00:20:18,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:20:18,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-12 00:20:18,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-03-12 00:20:18,980 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 49 [2021-03-12 00:20:18,980 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 327 places, 2030 transitions, 80874 flow. Second operand has 14 states, 14 states have (on average 27.214285714285715) internal successors, (381), 14 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:20:18,980 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:20:18,980 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 49 [2021-03-12 00:20:18,980 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:20:24,632 INFO L129 PetriNetUnfolder]: 1372/5268 cut-off events. [2021-03-12 00:20:24,632 INFO L130 PetriNetUnfolder]: For 346367/346367 co-relation queries the response was YES. [2021-03-12 00:20:24,680 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87560 conditions, 5268 events. 1372/5268 cut-off events. For 346367/346367 co-relation queries the response was YES. Maximal size of possible extension queue 651. Compared 64019 event pairs, 21 based on Foata normal form. 71/5339 useless extension candidates. Maximal degree in co-relation 85296. Up to 1622 conditions per place. [2021-03-12 00:20:24,709 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 1099 selfloop transitions, 1284 changer transitions 34/2422 dead transitions. [2021-03-12 00:20:24,709 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 2422 transitions, 102403 flow [2021-03-12 00:20:24,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-03-12 00:20:24,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-03-12 00:20:24,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 1081 transitions. [2021-03-12 00:20:24,711 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5805585392051558 [2021-03-12 00:20:24,711 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 1081 transitions. [2021-03-12 00:20:24,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 1081 transitions. [2021-03-12 00:20:24,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:20:24,712 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 1081 transitions. [2021-03-12 00:20:24,713 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 28.44736842105263) internal successors, (1081), 38 states have internal predecessors, (1081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:20:24,715 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 49.0) internal successors, (1911), 39 states have internal predecessors, (1911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:20:24,715 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 49.0) internal successors, (1911), 39 states have internal predecessors, (1911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:20:24,715 INFO L185 Difference]: Start difference. First operand has 327 places, 2030 transitions, 80874 flow. Second operand 38 states and 1081 transitions. [2021-03-12 00:20:24,715 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 2422 transitions, 102403 flow [2021-03-12 00:20:27,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 2422 transitions, 101835 flow, removed 187 selfloop flow, removed 5 redundant places. [2021-03-12 00:20:27,423 INFO L241 Difference]: Finished difference. Result has 371 places, 2320 transitions, 97278 flow [2021-03-12 00:20:27,424 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=79420, PETRI_DIFFERENCE_MINUEND_PLACES=322, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2003, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=955, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=951, PETRI_DIFFERENCE_SUBTRAHEND_STATES=38, PETRI_FLOW=97278, PETRI_PLACES=371, PETRI_TRANSITIONS=2320} [2021-03-12 00:20:27,425 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 356 predicate places. [2021-03-12 00:20:27,425 INFO L480 AbstractCegarLoop]: Abstraction has has 371 places, 2320 transitions, 97278 flow [2021-03-12 00:20:27,425 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.214285714285715) internal successors, (381), 14 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:20:27,425 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:20:27,425 INFO L255 CegarLoopForPetriNet]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:20:27,625 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:20:27,625 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:20:27,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:20:27,626 INFO L82 PathProgramCache]: Analyzing trace with hash -901793034, now seen corresponding path program 33 times [2021-03-12 00:20:27,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:20:27,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054811280] [2021-03-12 00:20:27,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:20:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:20:27,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:27,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:27,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:27,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:27,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:20:27,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:27,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:27,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:20:27,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:20:27,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:20:27,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:27,680 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-03-12 00:20:27,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054811280] [2021-03-12 00:20:27,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1972324198] [2021-03-12 00:20:27,680 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-12 00:20:27,711 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-03-12 00:20:27,711 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:20:27,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-12 00:20:27,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:20:27,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:20:27,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:27,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:27,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:27,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:27,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:27,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:27,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:27,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:27,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:27,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:27,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:27,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:27,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:27,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:27,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:27,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:27,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:27,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:27,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:27,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:27,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:27,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:27,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:27,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:27,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:27,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:27,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:27,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:27,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:27,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:27,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:27,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:27,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:27,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:27,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:27,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:27,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:27,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:27,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:27,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:20:27,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:20:27,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:20:27,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:20:27,782 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-12 00:20:27,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:20:27,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:27,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:20:27,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 00:20:27,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:27,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:27,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:27,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:27,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:27,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:27,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:27,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:27,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:27,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:27,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:27,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:27,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:27,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:27,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:27,793 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-12 00:20:27,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:20:27,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-03-12 00:20:27,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234119333] [2021-03-12 00:20:27,795 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-12 00:20:27,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:20:27,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-12 00:20:27,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-03-12 00:20:27,795 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 49 [2021-03-12 00:20:27,796 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 2320 transitions, 97278 flow. Second operand has 14 states, 14 states have (on average 27.5) internal successors, (385), 14 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:20:27,796 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:20:27,796 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 49 [2021-03-12 00:20:27,796 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:20:36,541 INFO L129 PetriNetUnfolder]: 1941/7341 cut-off events. [2021-03-12 00:20:36,541 INFO L130 PetriNetUnfolder]: For 631023/631023 co-relation queries the response was YES. [2021-03-12 00:20:36,702 INFO L84 FinitePrefix]: Finished finitePrefix Result has 129249 conditions, 7341 events. 1941/7341 cut-off events. For 631023/631023 co-relation queries the response was YES. Maximal size of possible extension queue 717. Compared 91178 event pairs, 36 based on Foata normal form. 320/7661 useless extension candidates. Maximal degree in co-relation 127021. Up to 2672 conditions per place. [2021-03-12 00:20:36,749 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 1893 selfloop transitions, 1611 changer transitions 86/3595 dead transitions. [2021-03-12 00:20:36,749 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 3595 transitions, 156765 flow [2021-03-12 00:20:36,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-03-12 00:20:36,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-03-12 00:20:36,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 1098 transitions. [2021-03-12 00:20:36,751 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.58968850698174 [2021-03-12 00:20:36,751 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 1098 transitions. [2021-03-12 00:20:36,751 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 1098 transitions. [2021-03-12 00:20:36,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:20:36,755 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 1098 transitions. [2021-03-12 00:20:36,756 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 28.894736842105264) internal successors, (1098), 38 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:20:36,758 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 49.0) internal successors, (1911), 39 states have internal predecessors, (1911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:20:36,758 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 49.0) internal successors, (1911), 39 states have internal predecessors, (1911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:20:36,758 INFO L185 Difference]: Start difference. First operand has 371 places, 2320 transitions, 97278 flow. Second operand 38 states and 1098 transitions. [2021-03-12 00:20:36,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 3595 transitions, 156765 flow [2021-03-12 00:20:42,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 397 places, 3595 transitions, 151666 flow, removed 2030 selfloop flow, removed 9 redundant places. [2021-03-12 00:20:42,158 INFO L241 Difference]: Finished difference. Result has 411 places, 3134 transitions, 133490 flow [2021-03-12 00:20:42,160 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=92788, PETRI_DIFFERENCE_MINUEND_PLACES=360, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=836, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=958, PETRI_DIFFERENCE_SUBTRAHEND_STATES=38, PETRI_FLOW=133490, PETRI_PLACES=411, PETRI_TRANSITIONS=3134} [2021-03-12 00:20:42,160 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 396 predicate places. [2021-03-12 00:20:42,160 INFO L480 AbstractCegarLoop]: Abstraction has has 411 places, 3134 transitions, 133490 flow [2021-03-12 00:20:42,160 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.5) internal successors, (385), 14 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:20:42,160 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:20:42,161 INFO L255 CegarLoopForPetriNet]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:20:42,361 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable99 [2021-03-12 00:20:42,361 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:20:42,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:20:42,361 INFO L82 PathProgramCache]: Analyzing trace with hash -1860424688, now seen corresponding path program 34 times [2021-03-12 00:20:42,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:20:42,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72784045] [2021-03-12 00:20:42,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:20:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:20:42,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:42,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:42,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:42,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:20:42,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:20:42,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:20:42,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:20:42,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:20:42,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:20:42,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:20:42,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:42,422 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:20:42,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72784045] [2021-03-12 00:20:42,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318839352] [2021-03-12 00:20:42,422 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:20:42,439 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 00:20:42,440 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:20:42,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-12 00:20:42,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:20:42,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:20:42,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:42,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:20:42,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-12 00:20:42,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:42,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:42,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:42,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:42,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:42,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:20:42,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:42,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:20:42,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:20:42,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:42,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:20:42,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:20:42,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:42,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:42,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:42,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:20:42,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:20:42,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:42,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:20:42,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:20:42,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:42,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:42,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:42,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:42,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:42,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:42,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:42,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:20:42,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:20:42,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:42,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:20:42,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:20:42,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:42,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:20:42,469 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 00:20:42,469 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:20:42,470 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:20:42,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:20:42,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:42,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:20:42,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:20:42,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:42,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:20:42,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:20:42,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:42,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:20:42,496 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:20:42,496 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:20:42,497 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,498 INFO L147 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size 26 [2021-03-12 00:20:42,498 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size [2021-03-12 00:20:42,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:20:42,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:42,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:20:42,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:20:42,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:42,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:20:42,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:20:42,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:42,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:20:42,526 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:20:42,526 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:20:42,526 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,527 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:20:42,527 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:20:42,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:20:42,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:42,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:20:42,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:20:42,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:42,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:20:42,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:20:42,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:42,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:20:42,557 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:20:42,558 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:20:42,558 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,559 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:20:42,559 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:20:42,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:20:42,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:42,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:20:42,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:20:42,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:42,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:20:42,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:20:42,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:42,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:20:42,590 INFO L147 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size 7 [2021-03-12 00:20:42,591 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-12 00:20:42,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:20:42,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:20:42,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:20:42,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:20:42,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:20:42,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:42,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:20:42,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:20:42,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:42,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:20:42,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:20:42,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:20:42,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:20:42,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:42,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:20:42,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:20:42,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:20:42,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:20:42,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:20:42,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:20:42,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:20:42,606 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-12 00:20:42,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:42,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:42,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:42,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:42,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:42,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:42,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:42,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:42,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:42,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:20:42,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:20:42,611 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:20:42,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:20:42,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 13 [2021-03-12 00:20:42,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410324789] [2021-03-12 00:20:42,611 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-12 00:20:42,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:20:42,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-12 00:20:42,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-03-12 00:20:42,612 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 49 [2021-03-12 00:20:42,612 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 3134 transitions, 133490 flow. Second operand has 14 states, 14 states have (on average 27.214285714285715) internal successors, (381), 14 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:20:42,612 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:20:42,612 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 49 [2021-03-12 00:20:42,613 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:20:56,153 INFO L129 PetriNetUnfolder]: 2345/8893 cut-off events. [2021-03-12 00:20:56,153 INFO L130 PetriNetUnfolder]: For 898023/898023 co-relation queries the response was YES. [2021-03-12 00:20:56,386 INFO L84 FinitePrefix]: Finished finitePrefix Result has 162706 conditions, 8893 events. 2345/8893 cut-off events. For 898023/898023 co-relation queries the response was YES. Maximal size of possible extension queue 931. Compared 114667 event pairs, 60 based on Foata normal form. 199/9092 useless extension candidates. Maximal degree in co-relation 160200. Up to 2850 conditions per place. [2021-03-12 00:20:56,447 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 1559 selfloop transitions, 2344 changer transitions 0/3908 dead transitions. [2021-03-12 00:20:56,448 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 422 places, 3908 transitions, 171876 flow [2021-03-12 00:20:56,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 00:20:56,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-12 00:20:56,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 353 transitions. [2021-03-12 00:20:56,448 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6003401360544217 [2021-03-12 00:20:56,448 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 353 transitions. [2021-03-12 00:20:56,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 353 transitions. [2021-03-12 00:20:56,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:20:56,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 353 transitions. [2021-03-12 00:20:56,449 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 29.416666666666668) internal successors, (353), 12 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:20:56,450 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 49.0) internal successors, (637), 13 states have internal predecessors, (637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:20:56,450 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 49.0) internal successors, (637), 13 states have internal predecessors, (637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:20:56,450 INFO L185 Difference]: Start difference. First operand has 411 places, 3134 transitions, 133490 flow. Second operand 12 states and 353 transitions. [2021-03-12 00:20:56,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 422 places, 3908 transitions, 171876 flow [2021-03-12 00:21:04,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 417 places, 3908 transitions, 168457 flow, removed 1607 selfloop flow, removed 5 redundant places. [2021-03-12 00:21:04,303 INFO L241 Difference]: Finished difference. Result has 425 places, 3831 transitions, 167295 flow [2021-03-12 00:21:04,305 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=130841, PETRI_DIFFERENCE_MINUEND_PLACES=406, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1723, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1342, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=167295, PETRI_PLACES=425, PETRI_TRANSITIONS=3831} [2021-03-12 00:21:04,305 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 410 predicate places. [2021-03-12 00:21:04,305 INFO L480 AbstractCegarLoop]: Abstraction has has 425 places, 3831 transitions, 167295 flow [2021-03-12 00:21:04,305 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.214285714285715) internal successors, (381), 14 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:21:04,306 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:21:04,306 INFO L255 CegarLoopForPetriNet]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:21:04,506 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable100 [2021-03-12 00:21:04,506 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:21:04,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:21:04,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1779801936, now seen corresponding path program 35 times [2021-03-12 00:21:04,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:21:04,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459990009] [2021-03-12 00:21:04,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:21:04,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:21:04,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:21:04,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:21:04,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:21:04,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:21:04,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:21:04,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:21:04,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:21:04,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:21:04,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:21:04,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:21:04,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:04,565 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-03-12 00:21:04,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459990009] [2021-03-12 00:21:04,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [234728520] [2021-03-12 00:21:04,565 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:21:04,583 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-03-12 00:21:04,583 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:21:04,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-12 00:21:04,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:21:04,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:21:04,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:04,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:21:04,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-12 00:21:04,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:21:04,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:21:04,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:21:04,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:21:04,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:21:04,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:21:04,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:21:04,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:21:04,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:21:04,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:21:04,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:04,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:21:04,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:21:04,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:04,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:21:04,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:21:04,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:21:04,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:21:04,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:04,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:21:04,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:21:04,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:04,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:21:04,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:21:04,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:04,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:21:04,607 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 00:21:04,607 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:21:04,608 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:21:04,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:21:04,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:04,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:21:04,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:21:04,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:04,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:21:04,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:21:04,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:21:04,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:21:04,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:04,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:21:04,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:21:04,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:04,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:21:04,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:21:04,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:04,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:21:04,646 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:21:04,646 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:21:04,647 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,647 INFO L147 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size 26 [2021-03-12 00:21:04,648 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size [2021-03-12 00:21:04,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:21:04,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:04,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:21:04,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:21:04,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:04,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:21:04,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:21:04,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:04,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:21:04,657 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:21:04,657 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:21:04,658 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,658 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:21:04,659 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:21:04,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:21:04,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:04,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:21:04,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:21:04,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:04,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:21:04,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:21:04,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:04,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:21:04,684 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:21:04,684 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:21:04,685 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,686 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:21:04,686 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:21:04,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:21:04,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:04,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:21:04,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:21:04,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:04,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:21:04,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:21:04,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:21:04,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:21:04,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:04,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:21:04,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:21:04,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:04,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:21:04,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:21:04,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:21:04,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:21:04,718 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-03-12 00:21:04,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:21:04,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:04,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:21:04,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:21:04,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:21:04,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:21:04,730 INFO L142 QuantifierPusher]: treesize reduction 52, result has 1.9 percent of original size [2021-03-12 00:21:04,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:04,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:04,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:04,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:04,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:04,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:04,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:04,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:04,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:04,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:04,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:04,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:04,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:04,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:04,736 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:21:04,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:21:04,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 11 [2021-03-12 00:21:04,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238768106] [2021-03-12 00:21:04,737 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-12 00:21:04,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:21:04,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-12 00:21:04,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-03-12 00:21:04,738 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 49 [2021-03-12 00:21:04,738 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 3831 transitions, 167295 flow. Second operand has 12 states, 12 states have (on average 27.583333333333332) internal successors, (331), 12 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:21:04,738 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:21:04,738 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 49 [2021-03-12 00:21:04,738 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:21:22,042 INFO L129 PetriNetUnfolder]: 2335/8935 cut-off events. [2021-03-12 00:21:22,042 INFO L130 PetriNetUnfolder]: For 967291/967293 co-relation queries the response was YES. [2021-03-12 00:21:22,158 INFO L84 FinitePrefix]: Finished finitePrefix Result has 171200 conditions, 8935 events. 2335/8935 cut-off events. For 967291/967293 co-relation queries the response was YES. Maximal size of possible extension queue 920. Compared 115744 event pairs, 0 based on Foata normal form. 15/8950 useless extension candidates. Maximal degree in co-relation 169305. Up to 2819 conditions per place. [2021-03-12 00:21:22,217 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 2589 selfloop transitions, 1315 changer transitions 0/3909 dead transitions. [2021-03-12 00:21:22,217 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 438 places, 3909 transitions, 178390 flow [2021-03-12 00:21:22,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 00:21:22,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-12 00:21:22,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 399 transitions. [2021-03-12 00:21:22,218 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5816326530612245 [2021-03-12 00:21:22,218 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 399 transitions. [2021-03-12 00:21:22,218 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 399 transitions. [2021-03-12 00:21:22,218 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:21:22,218 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 399 transitions. [2021-03-12 00:21:22,219 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 28.5) internal successors, (399), 14 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:21:22,219 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 49.0) internal successors, (735), 15 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:21:22,220 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 49.0) internal successors, (735), 15 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:21:22,220 INFO L185 Difference]: Start difference. First operand has 425 places, 3831 transitions, 167295 flow. Second operand 14 states and 399 transitions. [2021-03-12 00:21:22,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 438 places, 3909 transitions, 178390 flow [2021-03-12 00:21:31,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 435 places, 3909 transitions, 173781 flow, removed 2260 selfloop flow, removed 3 redundant places. [2021-03-12 00:21:31,531 INFO L241 Difference]: Finished difference. Result has 437 places, 3827 transitions, 165725 flow [2021-03-12 00:21:31,534 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=162279, PETRI_DIFFERENCE_MINUEND_PLACES=422, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3818, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1306, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2510, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=165725, PETRI_PLACES=437, PETRI_TRANSITIONS=3827} [2021-03-12 00:21:31,534 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 422 predicate places. [2021-03-12 00:21:31,534 INFO L480 AbstractCegarLoop]: Abstraction has has 437 places, 3827 transitions, 165725 flow [2021-03-12 00:21:31,534 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.583333333333332) internal successors, (331), 12 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:21:31,534 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:21:31,534 INFO L255 CegarLoopForPetriNet]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:21:31,735 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable105 [2021-03-12 00:21:31,735 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:21:31,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:21:31,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1940317524, now seen corresponding path program 36 times [2021-03-12 00:21:31,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:21:31,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963264916] [2021-03-12 00:21:31,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:21:31,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:21:31,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:21:31,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:21:31,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:21:31,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:21:31,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:21:31,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:21:31,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:21:31,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:21:31,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:21:31,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:21:31,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:31,821 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:21:31,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963264916] [2021-03-12 00:21:31,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [396591657] [2021-03-12 00:21:31,822 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:21:31,839 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-12 00:21:31,839 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:21:31,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-12 00:21:31,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:21:31,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:21:31,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:31,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:21:31,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-12 00:21:31,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:21:31,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:21:31,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:21:31,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:21:31,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:21:31,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:21:31,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:31,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:21:31,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:21:31,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:31,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:21:31,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:21:31,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:21:31,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:21:31,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:31,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:21:31,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:21:31,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:31,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:21:31,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:21:31,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:21:31,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:21:31,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:21:31,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:21:31,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:21:31,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:21:31,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:31,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:21:31,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:21:31,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:31,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:21:31,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:21:31,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:31,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:21:31,874 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 00:21:31,874 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:21:31,875 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:21:31,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:21:31,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:31,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:21:31,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:21:31,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:31,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:21:31,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:21:31,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:21:31,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:21:31,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:31,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:21:31,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:21:31,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:31,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:21:31,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:21:31,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:21:31,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:21:31,919 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-12 00:21:31,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:21:31,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:31,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:21:31,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:21:31,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 00:21:31,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 00:21:31,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:31,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-12 00:21:31,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:21:31,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:31,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-12 00:21:31,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:21:31,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:31,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:21:31,942 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:21:31,942 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:21:31,943 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,943 INFO L147 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size 34 [2021-03-12 00:21:31,944 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-03-12 00:21:31,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 00:21:31,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:31,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-12 00:21:31,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:21:31,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:31,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-12 00:21:31,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:21:31,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:31,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:21:31,974 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:21:31,974 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:21:31,975 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,975 INFO L147 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size 34 [2021-03-12 00:21:31,976 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-03-12 00:21:31,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 00:21:31,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:31,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:32,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:32,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-12 00:21:32,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:21:32,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:32,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:32,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:32,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-12 00:21:32,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:21:32,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:32,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:32,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:32,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:21:32,006 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:21:32,006 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:21:32,007 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:32,008 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:21:32,008 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:21:32,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:21:32,031 INFO L142 QuantifierPusher]: treesize reduction 52, result has 1.9 percent of original size [2021-03-12 00:21:32,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:32,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:32,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:32,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:32,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:32,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:32,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:32,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:32,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:32,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:32,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:32,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:32,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:32,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:32,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:32,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:32,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:32,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:32,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:32,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:32,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:32,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:32,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:32,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:32,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:32,037 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:21:32,037 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:21:32,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 16 [2021-03-12 00:21:32,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992536292] [2021-03-12 00:21:32,038 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-12 00:21:32,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:21:32,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-12 00:21:32,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2021-03-12 00:21:32,042 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 49 [2021-03-12 00:21:32,042 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 3827 transitions, 165725 flow. Second operand has 17 states, 17 states have (on average 27.11764705882353) internal successors, (461), 17 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:21:32,042 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:21:32,042 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 49 [2021-03-12 00:21:32,042 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:21:48,560 INFO L129 PetriNetUnfolder]: 2315/8901 cut-off events. [2021-03-12 00:21:48,560 INFO L130 PetriNetUnfolder]: For 965686/965686 co-relation queries the response was YES. [2021-03-12 00:21:48,659 INFO L84 FinitePrefix]: Finished finitePrefix Result has 171019 conditions, 8901 events. 2315/8901 cut-off events. For 965686/965686 co-relation queries the response was YES. Maximal size of possible extension queue 923. Compared 115453 event pairs, 0 based on Foata normal form. 20/8921 useless extension candidates. Maximal degree in co-relation 168789. Up to 2668 conditions per place. [2021-03-12 00:21:48,714 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 2015 selfloop transitions, 1854 changer transitions 22/3896 dead transitions. [2021-03-12 00:21:48,714 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 455 places, 3896 transitions, 176593 flow [2021-03-12 00:21:48,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 00:21:48,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-12 00:21:48,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 543 transitions. [2021-03-12 00:21:48,715 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5832438238453276 [2021-03-12 00:21:48,715 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 543 transitions. [2021-03-12 00:21:48,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 543 transitions. [2021-03-12 00:21:48,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:21:48,715 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 543 transitions. [2021-03-12 00:21:48,716 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 28.57894736842105) internal successors, (543), 19 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:21:48,716 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 49.0) internal successors, (980), 20 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:21:48,717 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 49.0) internal successors, (980), 20 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:21:48,717 INFO L185 Difference]: Start difference. First operand has 437 places, 3827 transitions, 165725 flow. Second operand 19 states and 543 transitions. [2021-03-12 00:21:48,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 455 places, 3896 transitions, 176593 flow [2021-03-12 00:21:57,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 3896 transitions, 173811 flow, removed 410 selfloop flow, removed 7 redundant places. [2021-03-12 00:21:57,990 INFO L241 Difference]: Finished difference. Result has 450 places, 3812 transitions, 166980 flow [2021-03-12 00:21:57,993 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=162458, PETRI_DIFFERENCE_MINUEND_PLACES=430, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3813, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1834, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1968, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=166980, PETRI_PLACES=450, PETRI_TRANSITIONS=3812} [2021-03-12 00:21:57,993 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 435 predicate places. [2021-03-12 00:21:57,993 INFO L480 AbstractCegarLoop]: Abstraction has has 450 places, 3812 transitions, 166980 flow [2021-03-12 00:21:57,993 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 27.11764705882353) internal successors, (461), 17 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:21:57,993 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:21:57,994 INFO L255 CegarLoopForPetriNet]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:21:58,216 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable110 [2021-03-12 00:21:58,216 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:21:58,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:21:58,216 INFO L82 PathProgramCache]: Analyzing trace with hash 102916692, now seen corresponding path program 37 times [2021-03-12 00:21:58,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:21:58,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30760870] [2021-03-12 00:21:58,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:21:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:21:58,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:21:58,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:21:58,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:21:58,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:21:58,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:21:58,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:21:58,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:21:58,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:21:58,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:21:58,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:21:58,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:58,280 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-12 00:21:58,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30760870] [2021-03-12 00:21:58,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1182525174] [2021-03-12 00:21:58,280 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:21:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:21:58,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-12 00:21:58,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:21:58,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:21:58,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:58,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:21:58,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-12 00:21:58,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:21:58,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:21:58,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:21:58,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:21:58,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:21:58,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:21:58,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:58,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:21:58,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:21:58,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:58,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:21:58,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:21:58,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:21:58,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:21:58,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:58,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:21:58,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:21:58,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:58,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:21:58,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:21:58,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:21:58,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:21:58,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:21:58,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:21:58,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:21:58,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:21:58,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:58,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:21:58,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:21:58,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:58,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:21:58,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:21:58,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:58,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:21:58,319 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 00:21:58,319 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:21:58,325 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:21:58,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:21:58,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:58,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:21:58,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:21:58,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:58,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:21:58,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:21:58,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:58,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:21:58,349 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:21:58,349 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:21:58,350 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,350 INFO L147 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size 26 [2021-03-12 00:21:58,351 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size [2021-03-12 00:21:58,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:21:58,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:58,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:21:58,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:21:58,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:58,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:21:58,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:21:58,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:58,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:21:58,373 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:21:58,373 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:21:58,374 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,375 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:21:58,375 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:21:58,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:21:58,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:58,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:21:58,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:21:58,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:58,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:21:58,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:21:58,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:21:58,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:21:58,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:58,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:21:58,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:21:58,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:58,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:21:58,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:21:58,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:21:58,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:21:58,400 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-12 00:21:58,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:21:58,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:58,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:21:58,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:21:58,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 00:21:58,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 00:21:58,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:58,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-12 00:21:58,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:21:58,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:58,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-12 00:21:58,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:21:58,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:21:58,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:21:58,418 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:21:58,418 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:21:58,419 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,420 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:21:58,420 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:21:58,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:21:58,444 INFO L142 QuantifierPusher]: treesize reduction 52, result has 1.9 percent of original size [2021-03-12 00:21:58,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:58,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:58,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:58,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:58,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:58,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:58,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:58,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:58,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:58,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:58,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:58,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:58,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:21:58,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:21:58,450 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:21:58,450 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:21:58,450 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 12 [2021-03-12 00:21:58,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095129010] [2021-03-12 00:21:58,450 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-12 00:21:58,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:21:58,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-12 00:21:58,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2021-03-12 00:21:58,451 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 49 [2021-03-12 00:21:58,451 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 450 places, 3812 transitions, 166980 flow. Second operand has 13 states, 13 states have (on average 27.46153846153846) internal successors, (357), 13 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:21:58,451 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:21:58,451 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 49 [2021-03-12 00:21:58,451 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:22:14,436 INFO L129 PetriNetUnfolder]: 2295/8807 cut-off events. [2021-03-12 00:22:14,436 INFO L130 PetriNetUnfolder]: For 961822/961824 co-relation queries the response was YES. [2021-03-12 00:22:14,528 INFO L84 FinitePrefix]: Finished finitePrefix Result has 171668 conditions, 8807 events. 2295/8807 cut-off events. For 961822/961824 co-relation queries the response was YES. Maximal size of possible extension queue 912. Compared 114006 event pairs, 0 based on Foata normal form. 25/8832 useless extension candidates. Maximal degree in co-relation 169456. Up to 2627 conditions per place. [2021-03-12 00:22:14,583 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 2213 selfloop transitions, 1624 changer transitions 13/3855 dead transitions. [2021-03-12 00:22:14,583 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 464 places, 3855 transitions, 176540 flow [2021-03-12 00:22:14,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 00:22:14,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-12 00:22:14,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 429 transitions. [2021-03-12 00:22:14,590 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5836734693877551 [2021-03-12 00:22:14,590 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 429 transitions. [2021-03-12 00:22:14,590 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 429 transitions. [2021-03-12 00:22:14,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:22:14,590 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 429 transitions. [2021-03-12 00:22:14,591 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 28.6) internal successors, (429), 15 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:22:14,591 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 49.0) internal successors, (784), 16 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:22:14,591 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 49.0) internal successors, (784), 16 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:22:14,591 INFO L185 Difference]: Start difference. First operand has 450 places, 3812 transitions, 166980 flow. Second operand 15 states and 429 transitions. [2021-03-12 00:22:14,591 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 464 places, 3855 transitions, 176540 flow [2021-03-12 00:22:23,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 454 places, 3855 transitions, 173684 flow, removed 962 selfloop flow, removed 10 redundant places. [2021-03-12 00:22:23,912 INFO L241 Difference]: Finished difference. Result has 455 places, 3780 transitions, 166674 flow [2021-03-12 00:22:23,915 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=163388, PETRI_DIFFERENCE_MINUEND_PLACES=440, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3792, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1623, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=166674, PETRI_PLACES=455, PETRI_TRANSITIONS=3780} [2021-03-12 00:22:23,915 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 440 predicate places. [2021-03-12 00:22:23,915 INFO L480 AbstractCegarLoop]: Abstraction has has 455 places, 3780 transitions, 166674 flow [2021-03-12 00:22:23,915 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.46153846153846) internal successors, (357), 13 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:22:23,915 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:22:23,915 INFO L255 CegarLoopForPetriNet]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:22:24,116 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:22:24,116 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:22:24,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:22:24,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1513197076, now seen corresponding path program 38 times [2021-03-12 00:22:24,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:22:24,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866393872] [2021-03-12 00:22:24,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:22:24,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:22:24,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:22:24,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:22:24,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:22:24,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:22:24,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:22:24,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:22:24,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:22:24,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:22:24,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:22:24,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:22:24,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:22:24,175 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:22:24,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866393872] [2021-03-12 00:22:24,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928292712] [2021-03-12 00:22:24,176 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:22:24,199 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 00:22:24,199 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:22:24,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-12 00:22:24,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:22:24,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:22:24,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:24,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:22:24,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-12 00:22:24,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:22:24,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:22:24,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:22:24,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:22:24,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:22:24,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:22:24,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:24,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:22:24,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:22:24,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:24,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:22:24,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:22:24,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:22:24,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:22:24,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:24,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:22:24,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:22:24,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:24,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:22:24,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:22:24,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:22:24,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:22:24,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:24,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:22:24,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:22:24,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:24,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:22:24,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:22:24,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:22:24,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:22:24,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:22:24,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:22:24,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:22:24,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:22:24,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:24,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:22:24,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:22:24,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:24,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:22:24,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:22:24,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:24,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:22:24,227 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 00:22:24,227 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:22:24,227 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:22:24,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:22:24,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:24,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:22:24,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:22:24,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:24,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:22:24,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:22:24,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:24,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:22:24,254 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:22:24,254 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:22:24,255 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,256 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:22:24,256 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:22:24,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:22:24,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:24,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:22:24,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:22:24,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:24,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:22:24,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:22:24,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:24,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:22:24,281 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:22:24,281 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:22:24,282 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,282 INFO L147 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size 26 [2021-03-12 00:22:24,283 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size [2021-03-12 00:22:24,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:22:24,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:24,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:22:24,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:22:24,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:24,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:22:24,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:22:24,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:24,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:22:24,306 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:22:24,306 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:22:24,307 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,307 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:22:24,308 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:22:24,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:22:24,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:24,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:22:24,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:22:24,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:24,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:22:24,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:22:24,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:24,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:22:24,332 INFO L147 QuantifierPusher]: treesize reduction 6, result has 53.8 percent of original size 7 [2021-03-12 00:22:24,333 INFO L142 QuantifierPusher]: treesize reduction 6, result has 53.8 percent of original size [2021-03-12 00:22:24,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:22:24,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:22:24,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:22:24,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:22:24,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:22:24,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:24,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:22:24,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:22:24,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:24,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:22:24,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:22:24,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:22:24,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:22:24,350 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-12 00:22:24,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:22:24,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:22:24,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:22:24,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:22:24,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:22:24,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:22:24,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:22:24,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:22:24,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:22:24,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:24,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:22:24,355 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:22:24,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:22:24,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 12 [2021-03-12 00:22:24,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253456545] [2021-03-12 00:22:24,355 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-12 00:22:24,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:22:24,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-12 00:22:24,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2021-03-12 00:22:24,357 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 49 [2021-03-12 00:22:24,357 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 455 places, 3780 transitions, 166674 flow. Second operand has 13 states, 13 states have (on average 27.307692307692307) internal successors, (355), 13 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:22:24,357 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:22:24,357 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 49 [2021-03-12 00:22:24,357 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:22:41,267 INFO L129 PetriNetUnfolder]: 2468/9709 cut-off events. [2021-03-12 00:22:41,267 INFO L130 PetriNetUnfolder]: For 1130879/1130879 co-relation queries the response was YES. [2021-03-12 00:22:41,374 INFO L84 FinitePrefix]: Finished finitePrefix Result has 188909 conditions, 9709 events. 2468/9709 cut-off events. For 1130879/1130879 co-relation queries the response was YES. Maximal size of possible extension queue 1023. Compared 128430 event pairs, 57 based on Foata normal form. 60/9769 useless extension candidates. Maximal degree in co-relation 188323. Up to 2906 conditions per place. [2021-03-12 00:22:41,431 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 1260 selfloop transitions, 2946 changer transitions 0/4211 dead transitions. [2021-03-12 00:22:41,432 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 466 places, 4211 transitions, 192312 flow [2021-03-12 00:22:41,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 00:22:41,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-12 00:22:41,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 351 transitions. [2021-03-12 00:22:41,439 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5969387755102041 [2021-03-12 00:22:41,439 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 351 transitions. [2021-03-12 00:22:41,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 351 transitions. [2021-03-12 00:22:41,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:22:41,439 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 351 transitions. [2021-03-12 00:22:41,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 29.25) internal successors, (351), 12 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:22:41,440 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 49.0) internal successors, (637), 13 states have internal predecessors, (637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:22:41,440 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 49.0) internal successors, (637), 13 states have internal predecessors, (637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:22:41,440 INFO L185 Difference]: Start difference. First operand has 455 places, 3780 transitions, 166674 flow. Second operand 12 states and 351 transitions. [2021-03-12 00:22:41,440 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 466 places, 4211 transitions, 192312 flow [2021-03-12 00:22:51,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 456 places, 4211 transitions, 190578 flow, removed 17 selfloop flow, removed 10 redundant places. [2021-03-12 00:22:51,636 INFO L241 Difference]: Finished difference. Result has 463 places, 4131 transitions, 190746 flow [2021-03-12 00:22:51,639 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=165015, PETRI_DIFFERENCE_MINUEND_PLACES=445, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3779, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2635, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1024, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=190746, PETRI_PLACES=463, PETRI_TRANSITIONS=4131} [2021-03-12 00:22:51,639 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 448 predicate places. [2021-03-12 00:22:51,639 INFO L480 AbstractCegarLoop]: Abstraction has has 463 places, 4131 transitions, 190746 flow [2021-03-12 00:22:51,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.307692307692307) internal successors, (355), 13 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:22:51,640 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:22:51,640 INFO L255 CegarLoopForPetriNet]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:22:51,860 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120,40 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:22:51,860 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:22:51,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:22:51,860 INFO L82 PathProgramCache]: Analyzing trace with hash 724527468, now seen corresponding path program 39 times [2021-03-12 00:22:51,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:22:51,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665576386] [2021-03-12 00:22:51,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:22:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:22:51,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:22:51,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:22:51,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:22:51,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:22:51,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:22:51,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:22:51,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:22:51,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:22:51,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:22:51,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:22:51,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:22:51,925 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:22:51,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665576386] [2021-03-12 00:22:51,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2031856329] [2021-03-12 00:22:51,925 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:22:51,947 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-03-12 00:22:51,948 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:22:51,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-12 00:22:51,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:22:51,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:22:51,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:51,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:22:51,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-12 00:22:51,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:22:51,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:22:51,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:22:51,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:22:51,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:22:51,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:22:51,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:51,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:22:51,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:22:51,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:51,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:22:51,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:22:51,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:22:51,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:22:51,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:51,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:22:51,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:22:51,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:51,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:22:51,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:22:51,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:22:51,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:22:51,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:22:51,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:22:51,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:22:51,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:22:51,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:51,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:22:51,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:22:51,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:51,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:22:51,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:22:51,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:51,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:22:51,971 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 00:22:51,971 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:22:51,972 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:22:51,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:22:51,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:51,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:22:51,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:22:51,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:51,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:22:51,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:22:51,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:51,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:22:51,997 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:22:51,997 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:22:51,998 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:51,999 INFO L147 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size 26 [2021-03-12 00:22:51,999 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size [2021-03-12 00:22:52,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:22:52,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:52,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:22:52,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:22:52,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:52,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:22:52,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:22:52,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:52,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:22:52,025 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:22:52,025 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:22:52,027 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,027 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:22:52,028 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:22:52,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:22:52,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:52,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:22:52,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:22:52,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:52,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:22:52,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:22:52,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:52,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:22:52,055 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:22:52,056 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:22:52,057 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,058 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:22:52,058 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:22:52,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:22:52,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:52,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:22:52,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:22:52,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:52,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:22:52,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:22:52,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:22:52,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:22:52,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:52,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:22:52,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:22:52,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:52,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:22:52,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:22:52,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:22:52,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:22:52,089 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-03-12 00:22:52,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:22:52,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:22:52,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:22:52,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:22:52,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:22:52,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:22:52,102 INFO L142 QuantifierPusher]: treesize reduction 52, result has 1.9 percent of original size [2021-03-12 00:22:52,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:22:52,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:22:52,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:22:52,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:22:52,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:22:52,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:22:52,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:22:52,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:22:52,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:22:52,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:22:52,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:22:52,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:22:52,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:22:52,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:22:52,109 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:22:52,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:22:52,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 12 [2021-03-12 00:22:52,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623257066] [2021-03-12 00:22:52,109 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-12 00:22:52,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:22:52,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-12 00:22:52,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-03-12 00:22:52,110 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 49 [2021-03-12 00:22:52,110 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 463 places, 4131 transitions, 190746 flow. Second operand has 13 states, 13 states have (on average 27.53846153846154) internal successors, (358), 13 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:22:52,110 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:22:52,111 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 49 [2021-03-12 00:22:52,111 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:23:13,192 INFO L129 PetriNetUnfolder]: 2454/9714 cut-off events. [2021-03-12 00:23:13,193 INFO L130 PetriNetUnfolder]: For 1205539/1205541 co-relation queries the response was YES. [2021-03-12 00:23:13,307 INFO L84 FinitePrefix]: Finished finitePrefix Result has 196719 conditions, 9714 events. 2454/9714 cut-off events. For 1205539/1205541 co-relation queries the response was YES. Maximal size of possible extension queue 1026. Compared 128829 event pairs, 0 based on Foata normal form. 21/9735 useless extension candidates. Maximal degree in co-relation 194766. Up to 2904 conditions per place. [2021-03-12 00:23:13,367 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 2117 selfloop transitions, 2083 changer transitions 0/4205 dead transitions. [2021-03-12 00:23:13,367 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 478 places, 4205 transitions, 202558 flow [2021-03-12 00:23:13,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 00:23:13,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-12 00:23:13,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 457 transitions. [2021-03-12 00:23:13,368 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5829081632653061 [2021-03-12 00:23:13,368 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 457 transitions. [2021-03-12 00:23:13,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 457 transitions. [2021-03-12 00:23:13,369 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:23:13,369 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 457 transitions. [2021-03-12 00:23:13,369 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 28.5625) internal successors, (457), 16 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:23:13,370 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 49.0) internal successors, (833), 17 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:23:13,370 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 49.0) internal successors, (833), 17 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:23:13,370 INFO L185 Difference]: Start difference. First operand has 463 places, 4131 transitions, 190746 flow. Second operand 16 states and 457 transitions. [2021-03-12 00:23:13,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 478 places, 4205 transitions, 202558 flow [2021-03-12 00:23:25,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 472 places, 4205 transitions, 199950 flow, removed 1040 selfloop flow, removed 6 redundant places. [2021-03-12 00:23:25,258 INFO L241 Difference]: Finished difference. Result has 476 places, 4157 transitions, 195683 flow [2021-03-12 00:23:25,261 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=187243, PETRI_DIFFERENCE_MINUEND_PLACES=457, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2036, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2057, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=195683, PETRI_PLACES=476, PETRI_TRANSITIONS=4157} [2021-03-12 00:23:25,262 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 461 predicate places. [2021-03-12 00:23:25,262 INFO L480 AbstractCegarLoop]: Abstraction has has 476 places, 4157 transitions, 195683 flow [2021-03-12 00:23:25,263 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.53846153846154) internal successors, (358), 13 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:23:25,263 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:23:25,263 INFO L255 CegarLoopForPetriNet]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:23:25,485 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable125 [2021-03-12 00:23:25,485 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:23:25,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:23:25,485 INFO L82 PathProgramCache]: Analyzing trace with hash -202764524, now seen corresponding path program 40 times [2021-03-12 00:23:25,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:23:25,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859872424] [2021-03-12 00:23:25,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:23:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:23:25,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:23:25,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:23:25,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:23:25,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:23:25,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:23:25,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:23:25,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:23:25,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:23:25,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:23:25,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:23:25,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:23:25,547 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:23:25,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859872424] [2021-03-12 00:23:25,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798627297] [2021-03-12 00:23:25,548 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-12 00:23:25,577 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 00:23:25,578 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:23:25,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-12 00:23:25,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:23:25,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:23:25,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:23:25,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:23:25,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-12 00:23:25,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:23:25,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:23:25,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:23:25,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:23:25,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:23:25,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:23:25,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:23:25,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:23:25,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:23:25,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:23:25,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:23:25,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:23:25,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:23:25,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:23:25,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:23:25,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:23:25,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:23:25,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:23:25,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:23:25,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:23:25,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:23:25,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:23:25,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:23:25,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:23:25,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:23:25,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:23:25,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:23:25,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:23:25,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:23:25,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:23:25,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:23:25,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:23:25,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:23:25,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:23:25,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:23:25,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:23:25,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:23:25,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:23:25,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:23:25,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:23:25,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:23:25,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:23:25,604 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 00:23:25,604 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:23:25,605 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:23:25,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:23:25,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:23:25,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:23:25,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:23:25,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:23:25,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:23:25,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:23:25,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:23:25,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:23:25,631 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:23:25,631 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:23:25,632 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,633 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:23:25,633 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:23:25,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:23:25,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:23:25,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:23:25,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:23:25,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:23:25,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:23:25,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:23:25,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:23:25,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:23:25,654 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:23:25,654 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:23:25,655 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,655 INFO L147 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size 26 [2021-03-12 00:23:25,656 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size [2021-03-12 00:23:25,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:23:25,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:23:25,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:23:25,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:23:25,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:23:25,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:23:25,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:23:25,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:23:25,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:23:25,679 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:23:25,679 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:23:25,680 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,685 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:23:25,685 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:23:25,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:23:25,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:23:25,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:23:25,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:23:25,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:23:25,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:23:25,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:23:25,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:23:25,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:23:25,705 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-03-12 00:23:25,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:23:25,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:23:25,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:23:25,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:23:25,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:23:25,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:23:25,725 INFO L142 QuantifierPusher]: treesize reduction 52, result has 1.9 percent of original size [2021-03-12 00:23:25,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:23:25,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:23:25,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:23:25,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:23:25,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:23:25,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:23:25,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:23:25,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:23:25,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:23:25,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:23:25,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:23:25,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:23:25,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:23:25,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:23:25,730 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:23:25,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:23:25,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 12 [2021-03-12 00:23:25,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205944405] [2021-03-12 00:23:25,731 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-12 00:23:25,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:23:25,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-12 00:23:25,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-03-12 00:23:25,731 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 49 [2021-03-12 00:23:25,731 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 476 places, 4157 transitions, 195683 flow. Second operand has 13 states, 13 states have (on average 27.46153846153846) internal successors, (357), 13 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:23:25,731 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:23:25,731 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 49 [2021-03-12 00:23:25,732 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:23:47,781 INFO L129 PetriNetUnfolder]: 2446/9729 cut-off events. [2021-03-12 00:23:47,781 INFO L130 PetriNetUnfolder]: For 1184657/1184657 co-relation queries the response was YES. [2021-03-12 00:23:47,892 INFO L84 FinitePrefix]: Finished finitePrefix Result has 198919 conditions, 9729 events. 2446/9729 cut-off events. For 1184657/1184657 co-relation queries the response was YES. Maximal size of possible extension queue 1033. Compared 129292 event pairs, 0 based on Foata normal form. 9/9738 useless extension candidates. Maximal degree in co-relation 198250. Up to 2848 conditions per place. [2021-03-12 00:23:47,949 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 1893 selfloop transitions, 2334 changer transitions 0/4232 dead transitions. [2021-03-12 00:23:47,949 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 492 places, 4232 transitions, 207854 flow [2021-03-12 00:23:47,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 00:23:47,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-12 00:23:47,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 487 transitions. [2021-03-12 00:23:47,951 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5846338535414166 [2021-03-12 00:23:47,951 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 487 transitions. [2021-03-12 00:23:47,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 487 transitions. [2021-03-12 00:23:47,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:23:47,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 487 transitions. [2021-03-12 00:23:47,951 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 28.647058823529413) internal successors, (487), 17 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:23:47,952 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 49.0) internal successors, (882), 18 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:23:47,952 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 49.0) internal successors, (882), 18 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:23:47,952 INFO L185 Difference]: Start difference. First operand has 476 places, 4157 transitions, 195683 flow. Second operand 17 states and 487 transitions. [2021-03-12 00:23:47,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 492 places, 4232 transitions, 207854 flow [2021-03-12 00:24:00,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 488 places, 4232 transitions, 205638 flow, removed 922 selfloop flow, removed 4 redundant places. [2021-03-12 00:24:00,352 INFO L241 Difference]: Finished difference. Result has 491 places, 4173 transitions, 201539 flow [2021-03-12 00:24:00,356 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=193192, PETRI_DIFFERENCE_MINUEND_PLACES=472, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2311, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1829, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=201539, PETRI_PLACES=491, PETRI_TRANSITIONS=4173} [2021-03-12 00:24:00,356 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 476 predicate places. [2021-03-12 00:24:00,356 INFO L480 AbstractCegarLoop]: Abstraction has has 491 places, 4173 transitions, 201539 flow [2021-03-12 00:24:00,356 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.46153846153846) internal successors, (357), 13 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:24:00,356 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:24:00,356 INFO L255 CegarLoopForPetriNet]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:24:00,578 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130,42 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:24:00,578 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:24:00,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:24:00,579 INFO L82 PathProgramCache]: Analyzing trace with hash -378348764, now seen corresponding path program 41 times [2021-03-12 00:24:00,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:24:00,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459141404] [2021-03-12 00:24:00,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:24:00,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:24:00,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:24:00,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:24:00,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:24:00,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:24:00,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:24:00,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:24:00,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:24:00,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:24:00,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:24:00,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:24:00,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:24:00,647 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:24:00,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459141404] [2021-03-12 00:24:00,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [40691446] [2021-03-12 00:24:00,647 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:24:00,664 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-03-12 00:24:00,664 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:24:00,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-12 00:24:00,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:24:00,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:24:00,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:00,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:24:00,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-12 00:24:00,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:24:00,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:24:00,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:24:00,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:24:00,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:24:00,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:24:00,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:00,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:24:00,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:24:00,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:00,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:24:00,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:24:00,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:24:00,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:24:00,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:00,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:24:00,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:24:00,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:00,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:24:00,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:24:00,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:24:00,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:24:00,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:00,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:24:00,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:24:00,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:00,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:24:00,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:24:00,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:24:00,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:24:00,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:00,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:24:00,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:24:00,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:00,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:24:00,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:24:00,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:24:00,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:24:00,683 INFO L142 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size [2021-03-12 00:24:00,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:24:00,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:00,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:24:00,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:24:00,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:24:00,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:24:00,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:24:00,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:24:00,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:24:00,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:24:00,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:24:00,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:24:00,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:24:00,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:24:00,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:00,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-12 00:24:00,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-12 00:24:00,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:00,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-12 00:24:00,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-12 00:24:00,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:00,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:24:00,707 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 00:24:00,708 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:24:00,708 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 00:24:00,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 00:24:00,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:00,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-12 00:24:00,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:24:00,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:00,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-12 00:24:00,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:24:00,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:00,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:24:00,736 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:24:00,736 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:24:00,737 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,737 INFO L147 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size 34 [2021-03-12 00:24:00,738 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-03-12 00:24:00,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 00:24:00,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:00,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-12 00:24:00,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:24:00,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:00,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-12 00:24:00,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:24:00,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:00,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:24:00,766 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:24:00,766 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:24:00,767 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,767 INFO L147 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size 34 [2021-03-12 00:24:00,768 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-03-12 00:24:00,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 00:24:00,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:00,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-12 00:24:00,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:24:00,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:00,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-12 00:24:00,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:24:00,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:00,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:24:00,798 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:24:00,799 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:24:00,799 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,800 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:24:00,800 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:24:00,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:24:00,825 INFO L142 QuantifierPusher]: treesize reduction 52, result has 1.9 percent of original size [2021-03-12 00:24:00,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:24:00,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:24:00,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:24:00,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:24:00,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:24:00,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:24:00,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:24:00,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:24:00,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:24:00,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:00,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:24:00,830 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:24:00,830 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:24:00,830 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 15 [2021-03-12 00:24:00,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106801363] [2021-03-12 00:24:00,830 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-12 00:24:00,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:24:00,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-12 00:24:00,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2021-03-12 00:24:00,831 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 49 [2021-03-12 00:24:00,831 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 491 places, 4173 transitions, 201539 flow. Second operand has 16 states, 16 states have (on average 27.0625) internal successors, (433), 16 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:24:00,831 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:24:00,831 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 49 [2021-03-12 00:24:00,832 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:24:23,092 INFO L129 PetriNetUnfolder]: 2672/10525 cut-off events. [2021-03-12 00:24:23,092 INFO L130 PetriNetUnfolder]: For 1310900/1310902 co-relation queries the response was YES. [2021-03-12 00:24:23,224 INFO L84 FinitePrefix]: Finished finitePrefix Result has 217356 conditions, 10525 events. 2672/10525 cut-off events. For 1310900/1310902 co-relation queries the response was YES. Maximal size of possible extension queue 1138. Compared 141365 event pairs, 0 based on Foata normal form. 35/10560 useless extension candidates. Maximal degree in co-relation 216659. Up to 3018 conditions per place. [2021-03-12 00:24:23,289 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 1849 selfloop transitions, 2711 changer transitions 32/4597 dead transitions. [2021-03-12 00:24:23,290 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 514 places, 4597 transitions, 228433 flow [2021-03-12 00:24:23,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-12 00:24:23,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-03-12 00:24:23,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 679 transitions. [2021-03-12 00:24:23,291 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5773809523809523 [2021-03-12 00:24:23,291 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 679 transitions. [2021-03-12 00:24:23,291 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 679 transitions. [2021-03-12 00:24:23,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:24:23,291 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 679 transitions. [2021-03-12 00:24:23,291 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 28.291666666666668) internal successors, (679), 24 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:24:23,292 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 49.0) internal successors, (1225), 25 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:24:23,292 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 49.0) internal successors, (1225), 25 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:24:23,292 INFO L185 Difference]: Start difference. First operand has 491 places, 4173 transitions, 201539 flow. Second operand 24 states and 679 transitions. [2021-03-12 00:24:23,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 514 places, 4597 transitions, 228433 flow [2021-03-12 00:24:37,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 511 places, 4597 transitions, 226638 flow, removed 893 selfloop flow, removed 3 redundant places. [2021-03-12 00:24:37,973 INFO L241 Difference]: Finished difference. Result has 526 places, 4537 transitions, 225963 flow [2021-03-12 00:24:37,975 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=199017, PETRI_DIFFERENCE_MINUEND_PLACES=488, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2351, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1557, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=225963, PETRI_PLACES=526, PETRI_TRANSITIONS=4537} [2021-03-12 00:24:37,975 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 511 predicate places. [2021-03-12 00:24:37,976 INFO L480 AbstractCegarLoop]: Abstraction has has 526 places, 4537 transitions, 225963 flow [2021-03-12 00:24:37,976 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 27.0625) internal successors, (433), 16 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:24:37,976 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:24:37,976 INFO L255 CegarLoopForPetriNet]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:24:38,176 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable135 [2021-03-12 00:24:38,176 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:24:38,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:24:38,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1067834256, now seen corresponding path program 42 times [2021-03-12 00:24:38,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:24:38,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219481559] [2021-03-12 00:24:38,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:24:38,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:24:38,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:24:38,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:24:38,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:24:38,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:24:38,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:24:38,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:24:38,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:24:38,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:24:38,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:24:38,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:24:38,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:24:38,220 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:24:38,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219481559] [2021-03-12 00:24:38,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165249305] [2021-03-12 00:24:38,220 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:24:38,239 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-03-12 00:24:38,239 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:24:38,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-12 00:24:38,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:24:38,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:24:38,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:38,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:24:38,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-12 00:24:38,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:24:38,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:24:38,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:24:38,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:24:38,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:24:38,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:24:38,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:38,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:24:38,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:24:38,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:38,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:24:38,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:24:38,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:24:38,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:24:38,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:38,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:24:38,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:24:38,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:38,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:24:38,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:24:38,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:24:38,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:24:38,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:38,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:24:38,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:24:38,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:38,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:24:38,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:24:38,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:24:38,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:24:38,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:38,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:24:38,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:24:38,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:38,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:24:38,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:24:38,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:24:38,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:24:38,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:24:38,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:24:38,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:24:38,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:24:38,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:38,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:24:38,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:24:38,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:38,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:24:38,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:24:38,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:38,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:24:38,271 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 00:24:38,271 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:24:38,272 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:24:38,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:24:38,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:38,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:24:38,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:24:38,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:38,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:24:38,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:24:38,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:38,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:24:38,301 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:24:38,301 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:24:38,302 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,303 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:24:38,303 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:24:38,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:24:38,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:38,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:24:38,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:24:38,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:38,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:24:38,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:24:38,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:38,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:24:38,324 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:24:38,324 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:24:38,325 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,325 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:24:38,326 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:24:38,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:24:38,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:38,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:24:38,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:24:38,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:38,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:24:38,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:24:38,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:38,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:24:38,346 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:24:38,347 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:24:38,347 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,348 INFO L147 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size 26 [2021-03-12 00:24:38,348 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size [2021-03-12 00:24:38,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:24:38,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:38,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:24:38,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:24:38,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:38,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:24:38,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:24:38,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:24:38,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:24:38,370 INFO L147 QuantifierPusher]: treesize reduction 8, result has 38.5 percent of original size 5 [2021-03-12 00:24:38,371 INFO L142 QuantifierPusher]: treesize reduction 8, result has 38.5 percent of original size [2021-03-12 00:24:38,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:24:38,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:24:38,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:24:38,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:24:38,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:24:38,379 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-12 00:24:38,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:24:38,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:24:38,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:24:38,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:24:38,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:24:38,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:24:38,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:24:38,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:24:38,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:24:38,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:24:38,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:24:38,384 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:24:38,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:24:38,384 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 11] total 11 [2021-03-12 00:24:38,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899650165] [2021-03-12 00:24:38,385 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-12 00:24:38,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:24:38,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-12 00:24:38,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2021-03-12 00:24:38,385 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 49 [2021-03-12 00:24:38,386 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 526 places, 4537 transitions, 225963 flow. Second operand has 12 states, 12 states have (on average 27.416666666666668) internal successors, (329), 12 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:24:38,386 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:24:38,386 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 49 [2021-03-12 00:24:38,386 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:25:05,910 INFO L129 PetriNetUnfolder]: 2669/10854 cut-off events. [2021-03-12 00:25:05,911 INFO L130 PetriNetUnfolder]: For 1559348/1559350 co-relation queries the response was YES. [2021-03-12 00:25:06,053 INFO L84 FinitePrefix]: Finished finitePrefix Result has 232485 conditions, 10854 events. 2669/10854 cut-off events. For 1559348/1559350 co-relation queries the response was YES. Maximal size of possible extension queue 1168. Compared 147903 event pairs, 16 based on Foata normal form. 18/10872 useless extension candidates. Maximal degree in co-relation 231746. Up to 2950 conditions per place. [2021-03-12 00:25:06,119 INFO L132 encePairwiseOnDemand]: 45/49 looper letters, 1328 selfloop transitions, 3333 changer transitions 0/4666 dead transitions. [2021-03-12 00:25:06,119 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 537 places, 4666 transitions, 241153 flow [2021-03-12 00:25:06,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 00:25:06,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-12 00:25:06,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 349 transitions. [2021-03-12 00:25:06,120 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5935374149659864 [2021-03-12 00:25:06,120 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 349 transitions. [2021-03-12 00:25:06,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 349 transitions. [2021-03-12 00:25:06,120 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:25:06,120 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 349 transitions. [2021-03-12 00:25:06,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 29.083333333333332) internal successors, (349), 12 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:25:06,121 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 49.0) internal successors, (637), 13 states have internal predecessors, (637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:25:06,121 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 49.0) internal successors, (637), 13 states have internal predecessors, (637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:25:06,121 INFO L185 Difference]: Start difference. First operand has 526 places, 4537 transitions, 225963 flow. Second operand 12 states and 349 transitions. [2021-03-12 00:25:06,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 537 places, 4666 transitions, 241153 flow [2021-03-12 00:25:24,517 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 536 places, 4666 transitions, 235092 flow, removed 2887 selfloop flow, removed 1 redundant places. [2021-03-12 00:25:24,677 INFO L241 Difference]: Finished difference. Result has 542 places, 4616 transitions, 236873 flow [2021-03-12 00:25:24,680 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=220093, PETRI_DIFFERENCE_MINUEND_PLACES=525, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4537, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3260, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1254, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=236873, PETRI_PLACES=542, PETRI_TRANSITIONS=4616} [2021-03-12 00:25:24,680 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 527 predicate places. [2021-03-12 00:25:24,680 INFO L480 AbstractCegarLoop]: Abstraction has has 542 places, 4616 transitions, 236873 flow [2021-03-12 00:25:24,680 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.416666666666668) internal successors, (329), 12 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:25:24,681 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:25:24,681 INFO L255 CegarLoopForPetriNet]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:25:24,883 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:25:24,883 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:25:24,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:25:24,883 INFO L82 PathProgramCache]: Analyzing trace with hash 1943958662, now seen corresponding path program 43 times [2021-03-12 00:25:24,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:25:24,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688106400] [2021-03-12 00:25:24,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:25:24,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:25:24,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:24,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:25:24,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:24,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:25:24,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:24,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:25:24,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:24,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:25:24,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:24,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:25:24,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:24,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:25:24,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:24,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:25:24,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:24,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:25:24,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:24,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:25:24,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:24,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:25:24,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:24,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:25:24,957 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:25:24,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688106400] [2021-03-12 00:25:24,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265558866] [2021-03-12 00:25:24,957 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:25:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:25:24,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-12 00:25:24,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:25:24,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:24,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:25:24,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:24,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:25:24,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:24,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:25:24,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-12 00:25:24,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:24,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:25:24,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:24,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:25:24,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:24,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:25:24,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:24,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:25:24,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:24,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:25:24,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:24,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:25:24,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:24,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:25:24,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:24,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:25:24,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:24,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:25:24,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:25:25,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:25:25,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:25:25,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:25:25,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:25:25,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:25:25,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:25:25,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:25:25,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:25:25,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:25:25,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:25:25,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:25:25,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:25:25,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:25:25,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:25:25,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:25:25,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:25:25,008 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 00:25:25,008 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:25:25,009 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:25:25,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:25:25,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:25:25,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:25:25,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:25:25,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:25:25,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:25:25,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:25:25,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:25:25,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:25:25,029 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:25:25,030 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:25:25,030 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,030 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:25:25,031 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:25:25,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:25:25,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:25:25,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:25:25,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:25:25,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:25:25,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:25:25,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:25:25,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:25:25,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:25:25,059 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:25:25,059 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:25:25,059 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,060 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:25:25,060 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:25:25,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:25:25,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:25:25,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:25:25,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:25:25,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:25:25,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:25:25,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:25:25,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:25:25,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:25:25,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:25:25,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:25:25,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:25:25,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:25:25,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:25:25,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:25:25,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:25:25,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:25:25,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:25:25,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:25:25,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:25:25,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:25:25,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:25:25,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:25:25,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:25:25,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:25:25,094 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-12 00:25:25,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:25:25,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:25:25,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:25:25,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:25:25,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 00:25:25,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 00:25:25,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 00:25:25,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 00:25:25,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 00:25:25,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 00:25:25,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:25:25,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-12 00:25:25,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:25:25,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:25:25,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-12 00:25:25,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:25:25,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:25:25,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:25:25,113 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:25:25,113 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:25:25,114 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,114 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:25:25,114 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:25:25,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:25:25,131 INFO L142 QuantifierPusher]: treesize reduction 52, result has 1.9 percent of original size [2021-03-12 00:25:25,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:25:25,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:25:25,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:25:25,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:25:25,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:25:25,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:25:25,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:25:25,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:25:25,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:25:25,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:25:25,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:25:25,135 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:25:25,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:25:25,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 13 [2021-03-12 00:25:25,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030177826] [2021-03-12 00:25:25,136 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-12 00:25:25,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:25:25,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-12 00:25:25,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2021-03-12 00:25:25,136 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 49 [2021-03-12 00:25:25,136 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 542 places, 4616 transitions, 236873 flow. Second operand has 14 states, 14 states have (on average 27.428571428571427) internal successors, (384), 14 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:25:25,137 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:25:25,137 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 49 [2021-03-12 00:25:25,137 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:25:56,862 INFO L129 PetriNetUnfolder]: 2668/10842 cut-off events. [2021-03-12 00:25:56,862 INFO L130 PetriNetUnfolder]: For 1489571/1489573 co-relation queries the response was YES. [2021-03-12 00:25:57,004 INFO L84 FinitePrefix]: Finished finitePrefix Result has 230148 conditions, 10842 events. 2668/10842 cut-off events. For 1489571/1489573 co-relation queries the response was YES. Maximal size of possible extension queue 1170. Compared 147688 event pairs, 0 based on Foata normal form. 11/10853 useless extension candidates. Maximal degree in co-relation 229383. Up to 3334 conditions per place. [2021-03-12 00:25:57,067 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 3180 selfloop transitions, 1483 changer transitions 6/4674 dead transitions. [2021-03-12 00:25:57,067 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 556 places, 4674 transitions, 248488 flow [2021-03-12 00:25:57,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 00:25:57,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-12 00:25:57,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 427 transitions. [2021-03-12 00:25:57,068 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.580952380952381 [2021-03-12 00:25:57,068 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 427 transitions. [2021-03-12 00:25:57,068 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 427 transitions. [2021-03-12 00:25:57,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:25:57,068 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 427 transitions. [2021-03-12 00:25:57,069 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 28.466666666666665) internal successors, (427), 15 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:25:57,069 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 49.0) internal successors, (784), 16 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:25:57,069 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 49.0) internal successors, (784), 16 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:25:57,069 INFO L185 Difference]: Start difference. First operand has 542 places, 4616 transitions, 236873 flow. Second operand 15 states and 427 transitions. [2021-03-12 00:25:57,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 556 places, 4674 transitions, 248488 flow [2021-03-12 00:26:13,374 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 546 places, 4674 transitions, 245521 flow, removed 493 selfloop flow, removed 10 redundant places. [2021-03-12 00:26:13,539 INFO L241 Difference]: Finished difference. Result has 547 places, 4599 transitions, 236053 flow [2021-03-12 00:26:13,542 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=233311, PETRI_DIFFERENCE_MINUEND_PLACES=532, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4604, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1482, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=236053, PETRI_PLACES=547, PETRI_TRANSITIONS=4599} [2021-03-12 00:26:13,542 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 532 predicate places. [2021-03-12 00:26:13,542 INFO L480 AbstractCegarLoop]: Abstraction has has 547 places, 4599 transitions, 236053 flow [2021-03-12 00:26:13,542 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.428571428571427) internal successors, (384), 14 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:26:13,542 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:26:13,542 INFO L255 CegarLoopForPetriNet]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:26:13,742 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable145 [2021-03-12 00:26:13,743 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:26:13,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:26:13,743 INFO L82 PathProgramCache]: Analyzing trace with hash 968093588, now seen corresponding path program 44 times [2021-03-12 00:26:13,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:26:13,743 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174714462] [2021-03-12 00:26:13,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:26:13,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:26:13,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:26:13,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:26:13,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:26:13,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:26:13,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:26:13,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:26:13,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:26:13,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:26:13,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:26:13,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:26:13,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:26:13,826 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:26:13,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174714462] [2021-03-12 00:26:13,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014177459] [2021-03-12 00:26:13,827 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-12 00:26:13,849 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 00:26:13,849 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:26:13,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-12 00:26:13,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:26:13,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:26:13,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:13,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:26:13,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-12 00:26:13,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:26:13,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:26:13,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:26:13,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:26:13,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:26:13,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:26:13,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:26:13,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:13,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:26:13,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:26:13,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:13,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:26:13,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:26:13,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:26:13,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:26:13,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:26:13,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:26:13,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:26:13,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:26:13,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:13,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:26:13,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:26:13,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:13,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:26:13,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:26:13,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:13,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:26:13,869 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 00:26:13,869 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:26:13,870 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:26:13,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:26:13,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:13,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:26:13,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:26:13,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:13,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:26:13,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:26:13,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:13,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:26:13,897 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:26:13,897 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:26:13,898 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,898 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:26:13,899 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:26:13,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:26:13,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:13,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:26:13,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:26:13,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:13,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:26:13,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:26:13,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:26:13,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:26:13,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:13,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:26:13,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:26:13,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:13,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:26:13,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:26:13,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:26:13,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:26:13,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:13,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:26:13,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:26:13,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:13,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:26:13,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:26:13,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:26:13,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:26:13,949 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-12 00:26:13,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:26:13,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:13,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:26:13,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:26:13,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 00:26:13,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 00:26:13,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:13,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-12 00:26:13,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:26:13,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:13,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-12 00:26:13,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:26:13,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:13,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:26:13,970 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:26:13,970 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:26:13,970 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,971 INFO L147 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size 34 [2021-03-12 00:26:13,971 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-03-12 00:26:13,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 00:26:13,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:13,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-12 00:26:13,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:26:13,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:13,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-12 00:26:13,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:26:13,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:13,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:13,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:14,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:26:14,001 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:26:14,001 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:26:14,002 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:14,002 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:26:14,003 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:26:14,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:26:14,024 INFO L142 QuantifierPusher]: treesize reduction 52, result has 1.9 percent of original size [2021-03-12 00:26:14,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:26:14,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:14,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:26:14,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:14,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:26:14,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:14,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:26:14,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:14,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:26:14,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:14,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:26:14,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:14,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:26:14,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:14,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:26:14,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:14,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:26:14,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:14,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:26:14,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:14,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:26:14,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:14,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:26:14,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:14,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:26:14,031 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:26:14,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:26:14,031 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 15 [2021-03-12 00:26:14,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712631509] [2021-03-12 00:26:14,031 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-12 00:26:14,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:26:14,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-12 00:26:14,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2021-03-12 00:26:14,032 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 49 [2021-03-12 00:26:14,032 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 547 places, 4599 transitions, 236053 flow. Second operand has 16 states, 16 states have (on average 27.25) internal successors, (436), 16 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:26:14,032 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:26:14,032 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 49 [2021-03-12 00:26:14,033 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:26:42,146 INFO L129 PetriNetUnfolder]: 2663/10808 cut-off events. [2021-03-12 00:26:42,146 INFO L130 PetriNetUnfolder]: For 1417810/1417812 co-relation queries the response was YES. [2021-03-12 00:26:42,287 INFO L84 FinitePrefix]: Finished finitePrefix Result has 229462 conditions, 10808 events. 2663/10808 cut-off events. For 1417810/1417812 co-relation queries the response was YES. Maximal size of possible extension queue 1170. Compared 147221 event pairs, 0 based on Foata normal form. 10/10818 useless extension candidates. Maximal degree in co-relation 228695. Up to 2794 conditions per place. [2021-03-12 00:26:42,350 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 2873 selfloop transitions, 1758 changer transitions 16/4652 dead transitions. [2021-03-12 00:26:42,350 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 563 places, 4652 transitions, 247482 flow [2021-03-12 00:26:42,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 00:26:42,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-12 00:26:42,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 485 transitions. [2021-03-12 00:26:42,351 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5822328931572629 [2021-03-12 00:26:42,351 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 485 transitions. [2021-03-12 00:26:42,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 485 transitions. [2021-03-12 00:26:42,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:26:42,352 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 485 transitions. [2021-03-12 00:26:42,352 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 28.529411764705884) internal successors, (485), 17 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:26:42,353 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 49.0) internal successors, (882), 18 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:26:42,353 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 49.0) internal successors, (882), 18 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:26:42,353 INFO L185 Difference]: Start difference. First operand has 547 places, 4599 transitions, 236053 flow. Second operand 17 states and 485 transitions. [2021-03-12 00:26:42,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 563 places, 4652 transitions, 247482 flow [2021-03-12 00:26:58,333 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 557 places, 4652 transitions, 245848 flow, removed 126 selfloop flow, removed 6 redundant places. [2021-03-12 00:26:58,492 INFO L241 Difference]: Finished difference. Result has 558 places, 4575 transitions, 236795 flow [2021-03-12 00:26:58,494 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=233932, PETRI_DIFFERENCE_MINUEND_PLACES=541, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4590, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1757, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2832, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=236795, PETRI_PLACES=558, PETRI_TRANSITIONS=4575} [2021-03-12 00:26:58,494 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 543 predicate places. [2021-03-12 00:26:58,494 INFO L480 AbstractCegarLoop]: Abstraction has has 558 places, 4575 transitions, 236795 flow [2021-03-12 00:26:58,495 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 27.25) internal successors, (436), 16 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:26:58,495 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:26:58,495 INFO L255 CegarLoopForPetriNet]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:26:58,702 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150,46 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:26:58,702 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:26:58,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:26:58,703 INFO L82 PathProgramCache]: Analyzing trace with hash 1115823288, now seen corresponding path program 45 times [2021-03-12 00:26:58,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:26:58,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142744482] [2021-03-12 00:26:58,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:26:58,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:26:58,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:26:58,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:26:58,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:26:58,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:26:58,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:26:58,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:26:58,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:26:58,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:26:58,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:26:58,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:26:58,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:26:58,782 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:26:58,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142744482] [2021-03-12 00:26:58,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172958142] [2021-03-12 00:26:58,782 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:26:58,805 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-03-12 00:26:58,805 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:26:58,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-12 00:26:58,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:26:58,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:26:58,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:58,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:26:58,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-12 00:26:58,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:26:58,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:26:58,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:26:58,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:26:58,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:26:58,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:26:58,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:58,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:26:58,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:26:58,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:58,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:26:58,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:26:58,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:26:58,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:26:58,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:26:58,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:26:58,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:26:58,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:26:58,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:58,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:26:58,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:26:58,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:58,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:26:58,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:26:58,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:58,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:26:58,824 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 00:26:58,824 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:26:58,825 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:26:58,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:26:58,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:58,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:26:58,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:26:58,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:58,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:26:58,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:26:58,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:58,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:26:58,849 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:26:58,849 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:26:58,850 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,850 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:26:58,850 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:26:58,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:26:58,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:58,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:26:58,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:26:58,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:58,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:26:58,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:26:58,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:58,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:26:58,873 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:26:58,873 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:26:58,873 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,874 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:26:58,874 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:26:58,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:26:58,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:58,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:26:58,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:26:58,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:58,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:26:58,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:26:58,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:58,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:26:58,898 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:26:58,898 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:26:58,898 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,899 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:26:58,899 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:26:58,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:26:58,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:58,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:26:58,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:26:58,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:58,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:26:58,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:26:58,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:26:58,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:26:58,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:58,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:26:58,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:26:58,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:58,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:26:58,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:26:58,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:58,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:26:58,933 INFO L147 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size 7 [2021-03-12 00:26:58,933 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-12 00:26:58,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:26:58,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:26:58,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:26:58,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:26:58,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:26:58,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:58,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:26:58,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:26:58,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:58,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:26:58,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:26:58,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:26:58,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:26:58,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:58,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:26:58,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:26:58,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:26:58,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:26:58,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:26:58,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:26:58,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:26:58,946 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-12 00:26:58,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:26:58,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:26:58,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:26:58,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:26:58,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:26:58,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:26:58,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:26:58,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:26:58,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:26:58,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:26:58,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:26:58,949 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:26:58,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:26:58,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 13 [2021-03-12 00:26:58,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529519147] [2021-03-12 00:26:58,950 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-12 00:26:58,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:26:58,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-12 00:26:58,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2021-03-12 00:26:58,950 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 49 [2021-03-12 00:26:58,950 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 558 places, 4575 transitions, 236795 flow. Second operand has 14 states, 14 states have (on average 27.285714285714285) internal successors, (382), 14 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:26:58,950 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:26:58,950 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 49 [2021-03-12 00:26:58,950 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:27:28,264 INFO L129 PetriNetUnfolder]: 2836/11421 cut-off events. [2021-03-12 00:27:28,265 INFO L130 PetriNetUnfolder]: For 1554330/1554332 co-relation queries the response was YES. [2021-03-12 00:27:28,583 INFO L84 FinitePrefix]: Finished finitePrefix Result has 244736 conditions, 11421 events. 2836/11421 cut-off events. For 1554330/1554332 co-relation queries the response was YES. Maximal size of possible extension queue 1208. Compared 155848 event pairs, 16 based on Foata normal form. 81/11502 useless extension candidates. Maximal degree in co-relation 243959. Up to 5806 conditions per place. [2021-03-12 00:27:28,650 INFO L132 encePairwiseOnDemand]: 45/49 looper letters, 3494 selfloop transitions, 1487 changer transitions 0/4986 dead transitions. [2021-03-12 00:27:28,650 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 565 places, 4986 transitions, 266548 flow [2021-03-12 00:27:28,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 00:27:28,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-12 00:27:28,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 233 transitions. [2021-03-12 00:27:28,651 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5943877551020408 [2021-03-12 00:27:28,651 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 233 transitions. [2021-03-12 00:27:28,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 233 transitions. [2021-03-12 00:27:28,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:27:28,651 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 233 transitions. [2021-03-12 00:27:28,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 29.125) internal successors, (233), 8 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:27:28,652 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 49.0) internal successors, (441), 9 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:27:28,652 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 49.0) internal successors, (441), 9 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:27:28,652 INFO L185 Difference]: Start difference. First operand has 558 places, 4575 transitions, 236795 flow. Second operand 8 states and 233 transitions. [2021-03-12 00:27:28,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 565 places, 4986 transitions, 266548 flow [2021-03-12 00:27:45,513 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 554 places, 4986 transitions, 264854 flow, removed 7 selfloop flow, removed 11 redundant places. [2021-03-12 00:27:45,686 INFO L241 Difference]: Finished difference. Result has 559 places, 4918 transitions, 258635 flow [2021-03-12 00:27:45,689 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=235216, PETRI_DIFFERENCE_MINUEND_PLACES=547, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4574, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1143, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=258635, PETRI_PLACES=559, PETRI_TRANSITIONS=4918} [2021-03-12 00:27:45,689 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 544 predicate places. [2021-03-12 00:27:45,689 INFO L480 AbstractCegarLoop]: Abstraction has has 559 places, 4918 transitions, 258635 flow [2021-03-12 00:27:45,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.285714285714285) internal successors, (382), 14 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:27:45,689 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:27:45,689 INFO L255 CegarLoopForPetriNet]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:27:45,891 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable155 [2021-03-12 00:27:45,891 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:27:45,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:27:45,891 INFO L82 PathProgramCache]: Analyzing trace with hash 931483028, now seen corresponding path program 46 times [2021-03-12 00:27:45,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:27:45,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166862179] [2021-03-12 00:27:45,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:27:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:27:45,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:45,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:27:45,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:45,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:27:45,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:45,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:27:45,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:45,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:27:45,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:45,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:27:45,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:45,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:27:45,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:45,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:27:45,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:45,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:27:45,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:45,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:27:45,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:45,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:27:45,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:45,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:27:45,967 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:27:45,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166862179] [2021-03-12 00:27:45,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868924179] [2021-03-12 00:27:45,967 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:27:45,983 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 00:27:45,983 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:27:45,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-12 00:27:45,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:27:45,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:45,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:27:45,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:45,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:27:45,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:45,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:27:45,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-12 00:27:45,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:45,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:27:45,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:45,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:27:45,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:27:46,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:27:46,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:27:46,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:27:46,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:27:46,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:27:46,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:27:46,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:27:46,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:27:46,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:27:46,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:27:46,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:27:46,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:27:46,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:27:46,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:27:46,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:27:46,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:27:46,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:27:46,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:27:46,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:27:46,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:27:46,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:27:46,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:27:46,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:27:46,026 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 00:27:46,026 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:27:46,027 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:27:46,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:27:46,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:27:46,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:27:46,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:27:46,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:27:46,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:27:46,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:27:46,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:27:46,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:27:46,050 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:27:46,051 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:27:46,051 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,052 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:27:46,052 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:27:46,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:27:46,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:27:46,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:27:46,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:27:46,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:27:46,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:27:46,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:27:46,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:27:46,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:27:46,077 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:27:46,077 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:27:46,078 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,078 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:27:46,079 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:27:46,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:27:46,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:27:46,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:27:46,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:27:46,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:27:46,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:27:46,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:27:46,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:27:46,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:27:46,102 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:27:46,102 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:27:46,103 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,103 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:27:46,104 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:27:46,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:27:46,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:27:46,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:27:46,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:27:46,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:27:46,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:27:46,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:27:46,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:27:46,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:27:46,142 INFO L147 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size 7 [2021-03-12 00:27:46,142 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-12 00:27:46,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:27:46,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:27:46,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:27:46,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:27:46,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:27:46,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:27:46,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:27:46,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:27:46,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:27:46,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:27:46,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:27:46,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:27:46,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:27:46,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:27:46,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:27:46,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:27:46,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:27:46,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:27:46,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:27:46,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:27:46,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:27:46,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:27:46,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:27:46,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:27:46,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:27:46,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:27:46,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:27:46,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:27:46,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:27:46,163 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-12 00:27:46,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:27:46,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:27:46,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:27:46,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:27:46,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:27:46,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:27:46,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:27:46,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:27:46,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:27:46,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:27:46,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:27:46,167 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:27:46,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:27:46,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 14 [2021-03-12 00:27:46,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875936360] [2021-03-12 00:27:46,168 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-12 00:27:46,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:27:46,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-12 00:27:46,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2021-03-12 00:27:46,169 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 49 [2021-03-12 00:27:46,169 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 559 places, 4918 transitions, 258635 flow. Second operand has 15 states, 15 states have (on average 27.133333333333333) internal successors, (407), 15 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:27:46,169 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:27:46,169 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 49 [2021-03-12 00:27:46,169 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:28:22,087 INFO L129 PetriNetUnfolder]: 2968/11921 cut-off events. [2021-03-12 00:28:22,087 INFO L130 PetriNetUnfolder]: For 1703589/1703591 co-relation queries the response was YES. [2021-03-12 00:28:22,267 INFO L84 FinitePrefix]: Finished finitePrefix Result has 261420 conditions, 11921 events. 2968/11921 cut-off events. For 1703589/1703591 co-relation queries the response was YES. Maximal size of possible extension queue 1241. Compared 163094 event pairs, 16 based on Foata normal form. 92/12013 useless extension candidates. Maximal degree in co-relation 260632. Up to 5790 conditions per place. [2021-03-12 00:28:22,340 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 3467 selfloop transitions, 1810 changer transitions 0/5282 dead transitions. [2021-03-12 00:28:22,340 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 570 places, 5282 transitions, 289487 flow [2021-03-12 00:28:22,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 00:28:22,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-12 00:28:22,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 350 transitions. [2021-03-12 00:28:22,341 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5952380952380952 [2021-03-12 00:28:22,341 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 350 transitions. [2021-03-12 00:28:22,341 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 350 transitions. [2021-03-12 00:28:22,341 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:28:22,341 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 350 transitions. [2021-03-12 00:28:22,342 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 29.166666666666668) internal successors, (350), 12 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:28:22,342 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 49.0) internal successors, (637), 13 states have internal predecessors, (637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:28:22,342 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 49.0) internal successors, (637), 13 states have internal predecessors, (637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:28:22,342 INFO L185 Difference]: Start difference. First operand has 559 places, 4918 transitions, 258635 flow. Second operand 12 states and 350 transitions. [2021-03-12 00:28:22,343 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 570 places, 5282 transitions, 289487 flow [2021-03-12 00:28:41,420 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 568 places, 5282 transitions, 288681 flow, removed 347 selfloop flow, removed 2 redundant places. [2021-03-12 00:28:41,621 INFO L241 Difference]: Finished difference. Result has 574 places, 5216 transitions, 281204 flow [2021-03-12 00:28:41,623 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=257842, PETRI_DIFFERENCE_MINUEND_PLACES=557, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4918, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1512, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=281204, PETRI_PLACES=574, PETRI_TRANSITIONS=5216} [2021-03-12 00:28:41,623 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 559 predicate places. [2021-03-12 00:28:41,623 INFO L480 AbstractCegarLoop]: Abstraction has has 574 places, 5216 transitions, 281204 flow [2021-03-12 00:28:41,624 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 27.133333333333333) internal successors, (407), 15 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:28:41,624 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:28:41,624 INFO L255 CegarLoopForPetriNet]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:28:41,824 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:28:41,824 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:28:41,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:28:41,825 INFO L82 PathProgramCache]: Analyzing trace with hash -594393662, now seen corresponding path program 47 times [2021-03-12 00:28:41,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:28:41,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084457182] [2021-03-12 00:28:41,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:28:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:28:41,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:28:41,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:28:41,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:28:41,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:28:41,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:28:41,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:28:41,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:28:41,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:28:41,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:28:41,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:28:41,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:28:41,896 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:28:41,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084457182] [2021-03-12 00:28:41,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384335766] [2021-03-12 00:28:41,896 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:28:41,914 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-03-12 00:28:41,914 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:28:41,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-12 00:28:41,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:28:41,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:28:41,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:28:41,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:28:41,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-12 00:28:41,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:28:41,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:28:41,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:28:41,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:28:41,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:28:41,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:28:41,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:28:41,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:28:41,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:28:41,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:28:41,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:28:41,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:28:41,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:28:41,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:28:41,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:28:41,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:28:41,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:28:41,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:28:41,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:28:41,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:28:41,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:28:41,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:28:41,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 00:28:41,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:28:41,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:28:41,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:28:41,945 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 00:28:41,946 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:28:41,946 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:28:41,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:28:41,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:28:41,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:28:41,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:28:41,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:28:41,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-12 00:28:41,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 00:28:41,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:28:41,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:28:41,971 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:28:41,971 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:28:41,972 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,972 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:28:41,973 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:28:41,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:28:41,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:28:41,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:28:41,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:28:41,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:28:41,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:28:41,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:28:41,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:28:41,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:28:41,996 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:28:41,996 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:28:41,997 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:41,997 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:28:41,998 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:28:41,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:28:42,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:28:42,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:28:42,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:28:42,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:28:42,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:28:42,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:28:42,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:28:42,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:28:42,021 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:28:42,021 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:28:42,022 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,022 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:28:42,023 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:28:42,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:28:42,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:28:42,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:28:42,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:28:42,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:28:42,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:28:42,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:28:42,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:28:42,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:28:42,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:28:42,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:28:42,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:28:42,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:28:42,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:28:42,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:28:42,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:28:42,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:28:42,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:28:42,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:28:42,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:28:42,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:28:42,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:28:42,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:28:42,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:28:42,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:28:42,067 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-03-12 00:28:42,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:28:42,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:28:42,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:28:42,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:28:42,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:28:42,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:28:42,078 INFO L142 QuantifierPusher]: treesize reduction 52, result has 1.9 percent of original size [2021-03-12 00:28:42,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:28:42,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:28:42,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:28:42,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:28:42,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:28:42,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:28:42,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:28:42,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:28:42,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:28:42,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:28:42,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:28:42,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:28:42,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:28:42,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:28:42,083 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:28:42,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:28:42,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 12 [2021-03-12 00:28:42,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127249521] [2021-03-12 00:28:42,083 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-12 00:28:42,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:28:42,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-12 00:28:42,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-03-12 00:28:42,084 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 49 [2021-03-12 00:28:42,084 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 574 places, 5216 transitions, 281204 flow. Second operand has 13 states, 13 states have (on average 27.615384615384617) internal successors, (359), 13 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:28:42,084 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:28:42,084 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 49 [2021-03-12 00:28:42,084 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:29:21,058 INFO L129 PetriNetUnfolder]: 2959/11940 cut-off events. [2021-03-12 00:29:21,058 INFO L130 PetriNetUnfolder]: For 1714416/1714416 co-relation queries the response was YES. [2021-03-12 00:29:21,234 INFO L84 FinitePrefix]: Finished finitePrefix Result has 266590 conditions, 11940 events. 2959/11940 cut-off events. For 1714416/1714416 co-relation queries the response was YES. Maximal size of possible extension queue 1258. Compared 163840 event pairs, 0 based on Foata normal form. 13/11953 useless extension candidates. Maximal degree in co-relation 265790. Up to 3270 conditions per place. [2021-03-12 00:29:21,308 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 3116 selfloop transitions, 2160 changer transitions 0/5281 dead transitions. [2021-03-12 00:29:21,308 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 588 places, 5281 transitions, 294286 flow [2021-03-12 00:29:21,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 00:29:21,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-12 00:29:21,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 427 transitions. [2021-03-12 00:29:21,309 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.580952380952381 [2021-03-12 00:29:21,309 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 427 transitions. [2021-03-12 00:29:21,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 427 transitions. [2021-03-12 00:29:21,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:29:21,309 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 427 transitions. [2021-03-12 00:29:21,310 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 28.466666666666665) internal successors, (427), 15 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:29:21,310 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 49.0) internal successors, (784), 16 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:29:21,311 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 49.0) internal successors, (784), 16 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:29:21,311 INFO L185 Difference]: Start difference. First operand has 574 places, 5216 transitions, 281204 flow. Second operand 15 states and 427 transitions. [2021-03-12 00:29:21,311 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 588 places, 5281 transitions, 294286 flow [2021-03-12 00:29:41,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 584 places, 5281 transitions, 292955 flow, removed 612 selfloop flow, removed 4 redundant places. [2021-03-12 00:29:42,159 INFO L241 Difference]: Finished difference. Result has 587 places, 5231 transitions, 285337 flow [2021-03-12 00:29:42,161 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=279161, PETRI_DIFFERENCE_MINUEND_PLACES=570, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=5205, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2134, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3067, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=285337, PETRI_PLACES=587, PETRI_TRANSITIONS=5231} [2021-03-12 00:29:42,162 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 572 predicate places. [2021-03-12 00:29:42,162 INFO L480 AbstractCegarLoop]: Abstraction has has 587 places, 5231 transitions, 285337 flow [2021-03-12 00:29:42,162 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.615384615384617) internal successors, (359), 13 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:29:42,162 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:29:42,162 INFO L255 CegarLoopForPetriNet]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:29:42,363 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165,49 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:29:42,363 INFO L428 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:29:42,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:29:42,363 INFO L82 PathProgramCache]: Analyzing trace with hash -235148670, now seen corresponding path program 48 times [2021-03-12 00:29:42,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:29:42,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342925697] [2021-03-12 00:29:42,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:29:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:29:42,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:29:42,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:29:42,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:29:42,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:29:42,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:29:42,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:29:42,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:29:42,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:29:42,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:29:42,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:29:42,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:29:42,432 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:29:42,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342925697] [2021-03-12 00:29:42,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [719117652] [2021-03-12 00:29:42,433 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:29:42,449 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-03-12 00:29:42,449 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:29:42,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-12 00:29:42,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:29:42,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:29:42,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:29:42,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:29:42,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:29:42,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:29:42,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:29:42,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:29:42,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:29:42,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:29:42,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:29:42,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:29:42,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:29:42,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:29:42,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:29:42,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-12 00:29:42,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:29:42,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:29:42,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-12 00:29:42,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:29:42,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:29:42,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-12 00:29:42,475 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2021-03-12 00:29:42,475 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:29:42,475 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 00:29:42,476 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2021-03-12 00:29:42,476 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:29:42,477 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 00:29:42,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 00:29:42,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:29:42,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-12 00:29:42,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-12 00:29:42,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:29:42,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-12 00:29:42,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-12 00:29:42,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:29:42,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 00:29:42,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:29:42,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:29:42,507 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2021-03-12 00:29:42,508 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:29:42,508 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,509 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:29:42,509 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:29:42,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:29:42,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:29:42,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:29:42,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:29:42,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:29:42,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:29:42,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:29:42,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:29:42,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:29:42,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:29:42,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:29:42,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:29:42,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:29:42,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:29:42,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:29:42,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:29:42,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:29:42,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:29:42,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:29:42,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:29:42,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:29:42,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:29:42,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:29:42,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:29:42,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:29:42,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:29:42,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:29:42,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:29:42,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:29:42,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:29:42,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:29:42,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:29:42,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:29:42,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:29:42,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:29:42,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:29:42,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:29:42,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-12 00:29:42,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-12 00:29:42,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:29:42,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:29:42,597 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:29:42,597 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:29:42,598 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,598 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:29:42,599 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:29:42,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:29:42,608 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-12 00:29:42,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:29:42,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:29:42,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:29:42,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:29:42,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 00:29:42,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 00:29:42,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:29:42,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-12 00:29:42,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:29:42,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:29:42,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-12 00:29:42,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:29:42,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:29:42,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:29:42,630 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:29:42,630 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:29:42,631 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,631 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:29:42,632 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:29:42,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:29:42,653 INFO L142 QuantifierPusher]: treesize reduction 52, result has 1.9 percent of original size [2021-03-12 00:29:42,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:29:42,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:29:42,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:29:42,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:29:42,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:29:42,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:29:42,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:29:42,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:29:42,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:29:42,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:29:42,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:29:42,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:29:42,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:29:42,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:29:42,659 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:29:42,659 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:29:42,659 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 17 [2021-03-12 00:29:42,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366251217] [2021-03-12 00:29:42,659 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-12 00:29:42,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:29:42,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-12 00:29:42,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2021-03-12 00:29:42,660 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 49 [2021-03-12 00:29:42,660 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 587 places, 5231 transitions, 285337 flow. Second operand has 18 states, 18 states have (on average 14.333333333333334) internal successors, (258), 18 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:29:42,660 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:29:42,660 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 49 [2021-03-12 00:29:42,660 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:30:29,421 INFO L129 PetriNetUnfolder]: 2958/11957 cut-off events. [2021-03-12 00:30:29,422 INFO L130 PetriNetUnfolder]: For 1698161/1698163 co-relation queries the response was YES. [2021-03-12 00:30:29,590 INFO L84 FinitePrefix]: Finished finitePrefix Result has 270532 conditions, 11957 events. 2958/11957 cut-off events. For 1698161/1698163 co-relation queries the response was YES. Maximal size of possible extension queue 1247. Compared 164071 event pairs, 0 based on Foata normal form. 14/11971 useless extension candidates. Maximal degree in co-relation 269713. Up to 3269 conditions per place. [2021-03-12 00:30:29,662 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 2672 selfloop transitions, 2590 changer transitions 6/5272 dead transitions. [2021-03-12 00:30:29,662 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 609 places, 5272 transitions, 297436 flow [2021-03-12 00:30:29,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 00:30:29,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-03-12 00:30:29,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 361 transitions. [2021-03-12 00:30:29,663 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.3203194321206744 [2021-03-12 00:30:29,663 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 361 transitions. [2021-03-12 00:30:29,663 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 361 transitions. [2021-03-12 00:30:29,664 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:30:29,664 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 361 transitions. [2021-03-12 00:30:29,664 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 15.695652173913043) internal successors, (361), 23 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:30:29,665 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 49.0) internal successors, (1176), 24 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:30:29,665 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 49.0) internal successors, (1176), 24 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:30:29,665 INFO L185 Difference]: Start difference. First operand has 587 places, 5231 transitions, 285337 flow. Second operand 23 states and 361 transitions. [2021-03-12 00:30:29,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 609 places, 5272 transitions, 297436 flow [2021-03-12 00:30:49,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 601 places, 5272 transitions, 292543 flow, removed 780 selfloop flow, removed 8 redundant places. [2021-03-12 00:30:50,013 INFO L241 Difference]: Finished difference. Result has 603 places, 5220 transitions, 286434 flow [2021-03-12 00:30:50,014 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=280077, PETRI_DIFFERENCE_MINUEND_PLACES=579, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=5223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2587, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2633, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=286434, PETRI_PLACES=603, PETRI_TRANSITIONS=5220} [2021-03-12 00:30:50,014 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 588 predicate places. [2021-03-12 00:30:50,014 INFO L480 AbstractCegarLoop]: Abstraction has has 603 places, 5220 transitions, 286434 flow [2021-03-12 00:30:50,014 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 14.333333333333334) internal successors, (258), 18 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:30:50,014 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:30:50,015 INFO L255 CegarLoopForPetriNet]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:30:50,215 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170,50 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:30:50,215 INFO L428 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:30:50,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:30:50,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1908692116, now seen corresponding path program 49 times [2021-03-12 00:30:50,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:30:50,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465206573] [2021-03-12 00:30:50,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:30:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:30:50,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:30:50,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:30:50,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:30:50,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:30:50,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:30:50,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:30:50,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:30:50,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:30:50,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:30:50,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:30:50,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:30:50,311 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:30:50,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465206573] [2021-03-12 00:30:50,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1576714265] [2021-03-12 00:30:50,312 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-12 00:30:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:30:50,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-12 00:30:50,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:30:50,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:30:50,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:30:50,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:30:50,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:30:50,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:30:50,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:30:50,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:30:50,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:30:50,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:30:50,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:30:50,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:30:50,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:30:50,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:30:50,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:30:50,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-12 00:30:50,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:30:50,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:30:50,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-12 00:30:50,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:30:50,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:30:50,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-12 00:30:50,357 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2021-03-12 00:30:50,357 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:30:50,358 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 00:30:50,359 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2021-03-12 00:30:50,359 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:30:50,359 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 00:30:50,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 00:30:50,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:30:50,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-12 00:30:50,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-12 00:30:50,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:30:50,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-12 00:30:50,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-12 00:30:50,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:30:50,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 00:30:50,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:30:50,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:30:50,390 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2021-03-12 00:30:50,391 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:30:50,391 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,392 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:30:50,392 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:30:50,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:30:50,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:30:50,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:30:50,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:30:50,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:30:50,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:30:50,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:30:50,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:30:50,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:30:50,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:30:50,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:30:50,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:30:50,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:30:50,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:30:50,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:30:50,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:30:50,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:30:50,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:30:50,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:30:50,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:30:50,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:30:50,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:30:50,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:30:50,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:30:50,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:30:50,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:30:50,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:30:50,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:30:50,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:30:50,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:30:50,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:30:50,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:30:50,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:30:50,475 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-12 00:30:50,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 00:30:50,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:30:50,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:30:50,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:30:50,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 00:30:50,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 00:30:50,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:30:50,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-12 00:30:50,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:30:50,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:30:50,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-12 00:30:50,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:30:50,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:30:50,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:30:50,494 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:30:50,494 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:30:50,495 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,495 INFO L147 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size 34 [2021-03-12 00:30:50,495 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-03-12 00:30:50,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 00:30:50,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:30:50,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-12 00:30:50,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:30:50,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:30:50,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-12 00:30:50,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:30:50,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:30:50,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 00:30:50,521 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2021-03-12 00:30:50,521 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:30:50,522 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,523 INFO L147 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size 30 [2021-03-12 00:30:50,523 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-12 00:30:50,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:30:50,547 INFO L142 QuantifierPusher]: treesize reduction 52, result has 1.9 percent of original size [2021-03-12 00:30:50,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:30:50,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:30:50,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:30:50,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:30:50,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:30:50,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:30:50,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:30:50,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:30:50,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:30:50,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:30:50,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:30:50,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:30:50,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:30:50,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:30:50,554 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:30:50,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:30:50,554 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 19 [2021-03-12 00:30:50,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100502917] [2021-03-12 00:30:50,554 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-12 00:30:50,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:30:50,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-12 00:30:50,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2021-03-12 00:30:50,555 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 49 [2021-03-12 00:30:50,555 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 603 places, 5220 transitions, 286434 flow. Second operand has 20 states, 20 states have (on average 14.2) internal successors, (284), 20 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:30:50,555 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:30:50,555 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 49 [2021-03-12 00:30:50,555 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:31:33,856 INFO L129 PetriNetUnfolder]: 2953/11829 cut-off events. [2021-03-12 00:31:33,857 INFO L130 PetriNetUnfolder]: For 1664484/1664484 co-relation queries the response was YES. [2021-03-12 00:31:34,036 INFO L84 FinitePrefix]: Finished finitePrefix Result has 270725 conditions, 11829 events. 2953/11829 cut-off events. For 1664484/1664484 co-relation queries the response was YES. Maximal size of possible extension queue 1255. Compared 161666 event pairs, 0 based on Foata normal form. 16/11845 useless extension candidates. Maximal degree in co-relation 269892. Up to 3253 conditions per place. [2021-03-12 00:31:34,110 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 2666 selfloop transitions, 2560 changer transitions 9/5239 dead transitions. [2021-03-12 00:31:34,111 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 626 places, 5239 transitions, 297716 flow [2021-03-12 00:31:34,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-12 00:31:34,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-03-12 00:31:34,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 374 transitions. [2021-03-12 00:31:34,112 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.31802721088435376 [2021-03-12 00:31:34,112 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 374 transitions. [2021-03-12 00:31:34,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 374 transitions. [2021-03-12 00:31:34,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:31:34,112 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 374 transitions. [2021-03-12 00:31:34,113 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 15.583333333333334) internal successors, (374), 24 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:31:34,114 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 49.0) internal successors, (1225), 25 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:31:34,114 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 49.0) internal successors, (1225), 25 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:31:34,114 INFO L185 Difference]: Start difference. First operand has 603 places, 5220 transitions, 286434 flow. Second operand 24 states and 374 transitions. [2021-03-12 00:31:34,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 626 places, 5239 transitions, 297716 flow [2021-03-12 00:31:56,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 614 places, 5239 transitions, 293719 flow, removed 719 selfloop flow, removed 12 redundant places. [2021-03-12 00:31:56,519 INFO L241 Difference]: Finished difference. Result has 615 places, 5187 transitions, 286417 flow [2021-03-12 00:31:56,522 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=281420, PETRI_DIFFERENCE_MINUEND_PLACES=591, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=5195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2559, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2635, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=286417, PETRI_PLACES=615, PETRI_TRANSITIONS=5187} [2021-03-12 00:31:56,522 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 600 predicate places. [2021-03-12 00:31:56,522 INFO L480 AbstractCegarLoop]: Abstraction has has 615 places, 5187 transitions, 286417 flow [2021-03-12 00:31:56,522 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 14.2) internal successors, (284), 20 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:31:56,522 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:31:56,522 INFO L255 CegarLoopForPetriNet]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:31:56,722 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:31:56,723 INFO L428 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:31:56,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:31:56,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1927771688, now seen corresponding path program 50 times [2021-03-12 00:31:56,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:31:56,723 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569809856] [2021-03-12 00:31:56,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:31:56,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:31:56,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:31:56,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:31:56,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:31:56,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:31:56,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:31:56,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:31:56,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:31:56,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:31:56,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:31:56,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:31:56,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:31:56,807 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:31:56,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569809856] [2021-03-12 00:31:56,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486011880] [2021-03-12 00:31:56,807 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:31:56,823 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 00:31:56,823 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:31:56,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-12 00:31:56,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:31:56,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:31:56,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:31:56,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:31:56,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:31:56,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:31:56,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:31:56,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:31:56,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:31:56,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:31:56,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:31:56,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:31:56,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:31:56,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:31:56,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:31:56,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-12 00:31:56,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:31:56,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 00:31:56,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-12 00:31:56,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:31:56,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:31:56,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-12 00:31:56,843 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2021-03-12 00:31:56,844 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:31:56,845 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 00:31:56,845 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2021-03-12 00:31:56,845 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:31:56,846 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 00:31:56,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 00:31:56,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:31:56,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-12 00:31:56,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-12 00:31:56,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:31:56,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-12 00:31:56,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-12 00:31:56,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,872 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2021-03-12 00:31:56,872 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:31:56,872 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,873 INFO L147 QuantifierPusher]: treesize reduction 14, result has 72.0 percent of original size 36 [2021-03-12 00:31:56,874 INFO L142 QuantifierPusher]: treesize reduction 14, result has 72.0 percent of original size [2021-03-12 00:31:56,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-12 00:31:56,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:31:56,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:31:56,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-12 00:31:56,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:31:56,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:31:56,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-12 00:31:56,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:31:56,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:31:56,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-12 00:31:56,903 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 1] term [2021-03-12 00:31:56,903 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-12 00:31:56,903 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 00:31:56,904 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2021-03-12 00:31:56,904 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:31:56,904 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,905 INFO L147 QuantifierPusher]: treesize reduction 14, result has 74.1 percent of original size 40 [2021-03-12 00:31:56,905 INFO L142 QuantifierPusher]: treesize reduction 14, result has 74.1 percent of original size [2021-03-12 00:31:56,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 00:31:56,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:31:56,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-12 00:31:56,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-12 00:31:56,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:31:56,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-12 00:31:56,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-12 00:31:56,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,995 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2021-03-12 00:31:56,995 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:31:56,995 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:56,996 INFO L147 QuantifierPusher]: treesize reduction 14, result has 72.0 percent of original size 36 [2021-03-12 00:31:56,996 INFO L142 QuantifierPusher]: treesize reduction 14, result has 72.0 percent of original size [2021-03-12 00:31:56,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-12 00:31:57,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:31:57,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:31:57,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-12 00:31:57,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:31:57,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-12 00:31:57,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-12 00:31:57,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:31:57,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:31:57,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:31:57,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:31:57,026 INFO L147 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size 7 [2021-03-12 00:31:57,027 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-12 00:31:57,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:31:57,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:31:57,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:31:57,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:31:57,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:31:57,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:31:57,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:31:57,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:31:57,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:31:57,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:31:57,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:31:57,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:31:57,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:31:57,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:31:57,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:31:57,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:31:57,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:31:57,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:31:57,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:31:57,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:31:57,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:31:57,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:31:57,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:31:57,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:31:57,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:31:57,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:31:57,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:31:57,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:31:57,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:31:57,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:31:57,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:31:57,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:31:57,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:31:57,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:31:57,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:31:57,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:31:57,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:31:57,044 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-03-12 00:31:57,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:31:57,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:31:57,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:31:57,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:31:57,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:31:57,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:31:57,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:31:57,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:31:57,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:31:57,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:31:57,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:31:57,048 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:31:57,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:31:57,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-03-12 00:31:57,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216012243] [2021-03-12 00:31:57,048 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-12 00:31:57,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:31:57,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-12 00:31:57,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-03-12 00:31:57,049 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 49 [2021-03-12 00:31:57,049 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 615 places, 5187 transitions, 286417 flow. Second operand has 17 states, 17 states have (on average 14.117647058823529) internal successors, (240), 17 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:31:57,049 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:31:57,049 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 49 [2021-03-12 00:31:57,049 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:32:40,195 INFO L129 PetriNetUnfolder]: 3377/13141 cut-off events. [2021-03-12 00:32:40,195 INFO L130 PetriNetUnfolder]: For 1931301/1931303 co-relation queries the response was YES. [2021-03-12 00:32:40,415 INFO L84 FinitePrefix]: Finished finitePrefix Result has 310542 conditions, 13141 events. 3377/13141 cut-off events. For 1931301/1931303 co-relation queries the response was YES. Maximal size of possible extension queue 1321. Compared 179807 event pairs, 16 based on Foata normal form. 131/13272 useless extension candidates. Maximal degree in co-relation 309701. Up to 8420 conditions per place. [2021-03-12 00:32:40,505 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 4579 selfloop transitions, 1504 changer transitions 0/6087 dead transitions. [2021-03-12 00:32:40,505 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 633 places, 6087 transitions, 350886 flow [2021-03-12 00:32:40,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 00:32:40,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-12 00:32:40,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 306 transitions. [2021-03-12 00:32:40,506 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.32867883995703545 [2021-03-12 00:32:40,506 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 306 transitions. [2021-03-12 00:32:40,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 306 transitions. [2021-03-12 00:32:40,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:32:40,506 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 306 transitions. [2021-03-12 00:32:40,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 16.105263157894736) internal successors, (306), 19 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:32:40,508 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 49.0) internal successors, (980), 20 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:32:40,508 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 49.0) internal successors, (980), 20 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:32:40,508 INFO L185 Difference]: Start difference. First operand has 615 places, 5187 transitions, 286417 flow. Second operand 19 states and 306 transitions. [2021-03-12 00:32:40,508 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 633 places, 6087 transitions, 350886 flow [2021-03-12 00:33:04,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 616 places, 6087 transitions, 347318 flow, removed 7 selfloop flow, removed 17 redundant places. [2021-03-12 00:33:04,576 INFO L241 Difference]: Finished difference. Result has 626 places, 6020 transitions, 339312 flow [2021-03-12 00:33:04,579 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=283494, PETRI_DIFFERENCE_MINUEND_PLACES=598, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=5186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=809, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=4023, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=339312, PETRI_PLACES=626, PETRI_TRANSITIONS=6020} [2021-03-12 00:33:04,579 INFO L335 CegarLoopForPetriNet]: 15 programPoint places, 611 predicate places. [2021-03-12 00:33:04,579 INFO L480 AbstractCegarLoop]: Abstraction has has 626 places, 6020 transitions, 339312 flow [2021-03-12 00:33:04,579 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 14.117647058823529) internal successors, (240), 17 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:33:04,580 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:33:04,580 INFO L255 CegarLoopForPetriNet]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:33:04,793 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable182 [2021-03-12 00:33:04,793 INFO L428 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:33:04,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:33:04,794 INFO L82 PathProgramCache]: Analyzing trace with hash 832565204, now seen corresponding path program 51 times [2021-03-12 00:33:04,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:33:04,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128002651] [2021-03-12 00:33:04,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:33:04,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:33:04,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:33:04,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:33:04,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:33:04,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:33:04,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:33:04,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:33:04,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:33:04,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:33:04,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 00:33:04,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:33:04,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:33:04,870 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:33:04,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128002651] [2021-03-12 00:33:04,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789805698] [2021-03-12 00:33:04,870 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:33:04,885 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-03-12 00:33:04,885 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:33:04,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-12 00:33:04,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:33:04,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:33:04,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:33:04,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:33:04,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:33:04,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:33:04,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:33:04,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:33:04,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:33:04,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:33:04,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:33:04,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:33:04,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:33:04,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:33:04,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:33:04,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:33:04,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 00:33:04,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:33:04,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-12 00:33:04,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-12 00:33:04,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:33:04,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-12 00:33:04,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-12 00:33:04,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,923 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2021-03-12 00:33:04,923 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 00:33:04,924 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,926 INFO L147 QuantifierPusher]: treesize reduction 12, result has 70.0 percent of original size 28 [2021-03-12 00:33:04,926 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.0 percent of original size [2021-03-12 00:33:04,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 00:33:04,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-12 00:33:04,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 00:33:04,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 00:33:04,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 00:33:04,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:33:04,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:33:04,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:33:04,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:33:04,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:33:04,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:33:04,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:33:04,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:33:04,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:33:04,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:33:04,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:33:04,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:33:04,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:33:04,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:33:04,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:33:04,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:33:04,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:33:04,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:33:04,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:33:04,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:33:04,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 00:33:04,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 00:33:04,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 00:33:04,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 00:33:04,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:04,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 00:33:04,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:05,000 INFO L147 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size 9 [2021-03-12 00:33:05,000 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-03-12 00:33:05,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:33:05,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:05,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:33:05,012 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-12 00:33:05,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:33:05,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:05,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:33:05,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:05,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:33:05,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:33:05,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:05,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:33:05,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:05,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:33:05,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:05,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:33:05,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:05,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:33:05,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:05,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:33:05,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:05,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:33:05,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:05,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:33:05,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:33:05,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:33:05,017 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-03-12 00:33:05,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:33:05,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2021-03-12 00:33:05,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759452391] [2021-03-12 00:33:05,018 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-12 00:33:05,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:33:05,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-12 00:33:05,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-03-12 00:33:05,018 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 49 [2021-03-12 00:33:05,018 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 626 places, 6020 transitions, 339312 flow. Second operand has 15 states, 15 states have (on average 14.466666666666667) internal successors, (217), 15 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:33:05,018 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:33:05,018 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 49 [2021-03-12 00:33:05,019 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2021-03-12 00:33:11,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-03-12 00:33:12,111 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable189 [2021-03-12 00:33:12,111 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-12 00:33:12,114 WARN L224 ceAbstractionStarter]: Timeout [2021-03-12 00:33:12,115 INFO L202 PluginConnector]: Adding new model misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 12:33:12 BasicIcfg [2021-03-12 00:33:12,115 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 00:33:12,115 INFO L168 Benchmark]: Toolchain (without parser) took 843111.53 ms. Allocated memory was 255.9 MB in the beginning and 5.1 GB in the end (delta: 4.8 GB). Free memory was 236.5 MB in the beginning and 2.8 GB in the end (delta: -2.6 GB). Peak memory consumption was 2.3 GB. Max. memory is 16.0 GB. [2021-03-12 00:33:12,115 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 00:33:12,115 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.69 ms. Allocated memory is still 255.9 MB. Free memory was 236.0 MB in the beginning and 234.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 00:33:12,115 INFO L168 Benchmark]: Boogie Preprocessor took 12.42 ms. Allocated memory is still 255.9 MB. Free memory was 234.5 MB in the beginning and 233.6 MB in the end (delta: 901.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 00:33:12,116 INFO L168 Benchmark]: RCFGBuilder took 223.47 ms. Allocated memory is still 255.9 MB. Free memory was 233.5 MB in the beginning and 241.4 MB in the end (delta: -7.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.0 GB. [2021-03-12 00:33:12,116 INFO L168 Benchmark]: TraceAbstraction took 842841.01 ms. Allocated memory was 255.9 MB in the beginning and 5.1 GB in the end (delta: 4.8 GB). Free memory was 240.9 MB in the beginning and 2.8 GB in the end (delta: -2.5 GB). Peak memory consumption was 2.3 GB. Max. memory is 16.0 GB. [2021-03-12 00:33:12,116 INFO L339 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 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 27.69 ms. Allocated memory is still 255.9 MB. Free memory was 236.0 MB in the beginning and 234.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 12.42 ms. Allocated memory is still 255.9 MB. Free memory was 234.5 MB in the beginning and 233.6 MB in the end (delta: 901.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 223.47 ms. Allocated memory is still 255.9 MB. Free memory was 233.5 MB in the beginning and 241.4 MB in the end (delta: -7.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 842841.01 ms. Allocated memory was 255.9 MB in the beginning and 5.1 GB in the end (delta: 4.8 GB). Free memory was 240.9 MB in the beginning and 2.8 GB in the end (delta: -2.5 GB). Peak memory consumption was 2.3 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 948.9ms, 28 PlacesBefore, 15 PlacesAfterwards, 25 TransitionsBefore, 10 TransitionsAfterwards, 198 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 12 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 2 ChoiceCompositions, 20 TotalNumberOfCompositions, 192 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 192, positive: 192, positive conditional: 0, positive unconditional: 192, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 144, positive: 144, positive conditional: 0, positive unconditional: 144, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 144, positive: 133, positive conditional: 0, positive unconditional: 133, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 72, positive: 72, positive conditional: 0, positive unconditional: 72, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 192, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 144, unknown conditional: 0, unknown unconditional: 144] , Statistics on independence cache: Total cache size (in pairs): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 59). Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 13/49 universal loopers) in iteration 56,while PetriNetUnfolder was constructing finite prefix that currently has 35638 conditions, 1088 events (328/1087 cut-off events. For 182198/182200 co-relation queries the response was YES. Maximal size of possible extension queue 502. Compared 11793 event pairs, 0 based on Foata normal form. 26/1612 useless extension candidates. Maximal degree in co-relation 35414. Up to 499 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 4.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 842718.0ms, OverallIterations: 56, TraceHistogramMax: 5, EmptinessCheckTime: 0.0ms, AutomataDifference: 819117.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1015.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 128 SDtfs, 1032 SDslu, 149 SDs, 0 SdLazy, 4471 SolverSat, 1290 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2660.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1448 GetRequests, 557 SyntacticMatches, 86 SemanticMatches, 805 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4133 ImplicationChecksByTransitivity, 8007.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=339312occurred in iteration=55, InterpolantAutomatonStates: 669, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 233.0ms SsaConstructionTime, 564.3ms SatisfiabilityAnalysisTime, 9787.6ms InterpolantComputationTime, 1529 NumberOfCodeBlocks, 1524 NumberOfCodeBlocksAsserted, 186 NumberOfCheckSat, 1421 ConstructedInterpolants, 0 QuantifiedInterpolants, 7843 SizeOfPredicates, 176 NumberOfNonLiveVariables, 1828 ConjunctsInSsa, 492 ConjunctsInUnsatCore, 108 InterpolantComputations, 4 PerfectInterpolantSequences, 742/1555 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown