/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-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/counter-queue.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 16:24:12,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 16:24:12,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 16:24:12,123 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 16:24:12,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 16:24:12,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 16:24:12,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 16:24:12,135 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 16:24:12,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 16:24:12,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 16:24:12,143 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 16:24:12,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 16:24:12,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 16:24:12,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 16:24:12,148 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 16:24:12,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 16:24:12,152 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 16:24:12,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 16:24:12,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 16:24:12,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 16:24:12,161 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 16:24:12,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 16:24:12,164 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 16:24:12,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 16:24:12,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 16:24:12,177 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 16:24:12,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 16:24:12,178 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 16:24:12,181 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-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-03-26 16:24:12,218 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 16:24:12,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 16:24:12,221 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 16:24:12,222 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 16:24:12,222 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 16:24:12,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 16:24:12,222 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 16:24:12,222 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 16:24:12,222 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 16:24:12,223 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 16:24:12,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 16:24:12,224 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 16:24:12,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 16:24:12,224 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 16:24:12,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 16:24:12,224 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 16:24:12,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 16:24:12,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 16:24:12,225 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 16:24:12,225 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 16:24:12,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 16:24:12,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 16:24:12,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 16:24:12,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 16:24:12,225 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 16:24:12,226 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 16:24:12,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 16:24:12,226 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 16:24:12,226 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 16:24:12,226 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 16:24:12,226 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 16:24:12,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 16:24:12,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 16:24:12,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 16:24:12,570 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-26 16:24:12,571 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-26 16:24:12,571 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/counter-queue.wvr.bpl [2021-03-26 16:24:12,668 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/counter-queue.wvr.bpl' [2021-03-26 16:24:12,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 16:24:12,701 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-26 16:24:12,702 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 16:24:12,702 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 16:24:12,702 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 16:24:12,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 04:24:12" (1/1) ... [2021-03-26 16:24:12,716 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 04:24:12" (1/1) ... [2021-03-26 16:24:12,722 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 16:24:12,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 16:24:12,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 16:24:12,724 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 16:24:12,730 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 04:24:12" (1/1) ... [2021-03-26 16:24:12,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 04:24:12" (1/1) ... [2021-03-26 16:24:12,731 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 04:24:12" (1/1) ... [2021-03-26 16:24:12,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 04:24:12" (1/1) ... [2021-03-26 16:24:12,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 04:24:12" (1/1) ... [2021-03-26 16:24:12,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 04:24:12" (1/1) ... [2021-03-26 16:24:12,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 04:24:12" (1/1) ... [2021-03-26 16:24:12,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 16:24:12,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 16:24:12,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 16:24:12,740 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 16:24:12,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 04:24:12" (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 [2021-03-26 16:24:12,787 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-26 16:24:12,787 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-26 16:24:12,787 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-26 16:24:12,787 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-26 16:24:12,788 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-26 16:24:12,788 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-26 16:24:12,788 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-26 16:24:12,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 16:24:12,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 16:24:12,789 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 16:24:12,985 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 16:24:12,986 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-26 16:24:12,987 INFO L202 PluginConnector]: Adding new model counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 04:24:12 BoogieIcfgContainer [2021-03-26 16:24:12,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 16:24:12,988 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 16:24:12,989 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 16:24:12,991 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 16:24:12,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 04:24:12" (1/2) ... [2021-03-26 16:24:12,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50f57afb and model type counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 04:24:12, skipping insertion in model container [2021-03-26 16:24:12,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 04:24:12" (2/2) ... [2021-03-26 16:24:12,993 INFO L111 eAbstractionObserver]: Analyzing ICFG counter-queue.wvr.bpl [2021-03-26 16:24:13,013 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 16:24:13,016 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 16:24:13,017 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 16:24:13,071 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-03-26 16:24:13,087 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-03-26 16:24:13,103 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 16:24:13,104 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 16:24:13,104 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 16:24:13,104 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 16:24:13,104 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 16:24:13,104 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 16:24:13,104 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 16:24:13,104 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 16:24:13,114 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 27 places, 22 transitions, 60 flow [2021-03-26 16:24:13,141 INFO L129 PetriNetUnfolder]: 2/20 cut-off events. [2021-03-26 16:24:13,141 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-26 16:24:13,144 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 20 events. 2/20 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 13 event pairs, 0 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 11. Up to 2 conditions per place. [2021-03-26 16:24:13,144 INFO L82 GeneralOperation]: Start removeDead. Operand has 27 places, 22 transitions, 60 flow [2021-03-26 16:24:13,148 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 23 places, 18 transitions, 48 flow [2021-03-26 16:24:13,150 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:13,169 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 23 places, 18 transitions, 48 flow [2021-03-26 16:24:13,176 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 23 places, 18 transitions, 48 flow [2021-03-26 16:24:13,178 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 23 places, 18 transitions, 48 flow [2021-03-26 16:24:13,190 INFO L129 PetriNetUnfolder]: 2/18 cut-off events. [2021-03-26 16:24:13,190 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-26 16:24:13,191 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27 conditions, 18 events. 2/18 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 13 event pairs, 0 based on Foata normal form. 0/16 useless extension candidates. Maximal degree in co-relation 11. Up to 2 conditions per place. [2021-03-26 16:24:13,194 INFO L142 LiptonReduction]: Number of co-enabled transitions 48 [2021-03-26 16:24:13,466 INFO L154 LiptonReduction]: Checked pairs total: 20 [2021-03-26 16:24:13,466 INFO L156 LiptonReduction]: Total number of compositions: 8 [2021-03-26 16:24:13,472 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 323 [2021-03-26 16:24:13,489 INFO L129 PetriNetUnfolder]: 2/9 cut-off events. [2021-03-26 16:24:13,489 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-26 16:24:13,490 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:13,490 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:13,491 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:13,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:13,496 INFO L82 PathProgramCache]: Analyzing trace with hash 8618936, now seen corresponding path program 1 times [2021-03-26 16:24:13,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:13,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054561148] [2021-03-26 16:24:13,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:13,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:13,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:13,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:13,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:13,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054561148] [2021-03-26 16:24:13,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 16:24:13,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-26 16:24:13,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330897302] [2021-03-26 16:24:13,632 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 16:24:13,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:13,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 16:24:13,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 16:24:13,647 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 30 [2021-03-26 16:24:13,649 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 15 places, 10 transitions, 32 flow. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:13,649 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:13,649 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 30 [2021-03-26 16:24:13,650 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:13,671 INFO L129 PetriNetUnfolder]: 5/19 cut-off events. [2021-03-26 16:24:13,672 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-03-26 16:24:13,673 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 26 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. [2021-03-26 16:24:13,674 INFO L132 encePairwiseOnDemand]: 26/30 looper letters, 3 selfloop transitions, 3 changer transitions 0/12 dead transitions. [2021-03-26 16:24:13,674 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 17 places, 12 transitions, 48 flow [2021-03-26 16:24:13,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 16:24:13,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 16:24:13,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 67 transitions. [2021-03-26 16:24:13,684 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7444444444444445 [2021-03-26 16:24:13,685 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 67 transitions. [2021-03-26 16:24:13,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 67 transitions. [2021-03-26 16:24:13,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:13,689 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 67 transitions. [2021-03-26 16:24:13,691 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:13,696 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:13,696 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:13,697 INFO L185 Difference]: Start difference. First operand has 15 places, 10 transitions, 32 flow. Second operand 3 states and 67 transitions. [2021-03-26 16:24:13,698 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 17 places, 12 transitions, 48 flow [2021-03-26 16:24:13,701 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 13 places, 12 transitions, 40 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 16:24:13,703 INFO L241 Difference]: Finished difference. Result has 14 places, 12 transitions, 43 flow [2021-03-26 16:24:13,704 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, 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} [2021-03-26 16:24:13,705 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, -1 predicate places. [2021-03-26 16:24:13,705 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:13,705 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 14 places, 12 transitions, 43 flow [2021-03-26 16:24:13,706 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 14 places, 12 transitions, 43 flow [2021-03-26 16:24:13,707 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 14 places, 12 transitions, 43 flow [2021-03-26 16:24:13,715 INFO L129 PetriNetUnfolder]: 5/19 cut-off events. [2021-03-26 16:24:13,715 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 16:24:13,715 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34 conditions, 19 events. 5/19 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 30 event pairs, 0 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 18. Up to 8 conditions per place. [2021-03-26 16:24:13,716 INFO L142 LiptonReduction]: Number of co-enabled transitions 22 [2021-03-26 16:24:13,719 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:13,720 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:24:13,720 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-03-26 16:24:13,722 INFO L480 AbstractCegarLoop]: Abstraction has has 14 places, 12 transitions, 43 flow [2021-03-26 16:24:13,722 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:13,722 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:13,722 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:13,723 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 16:24:13,723 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:13,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:13,723 INFO L82 PathProgramCache]: Analyzing trace with hash 270045964, now seen corresponding path program 1 times [2021-03-26 16:24:13,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:13,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927775222] [2021-03-26 16:24:13,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:13,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:13,790 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:13,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:13,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:13,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:13,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:13,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:13,827 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:13,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927775222] [2021-03-26 16:24:13,828 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 16:24:13,828 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 16:24:13,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798106759] [2021-03-26 16:24:13,829 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 16:24:13,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:13,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 16:24:13,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 16:24:13,831 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 30 [2021-03-26 16:24:13,833 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 14 places, 12 transitions, 43 flow. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:13,833 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:13,833 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 30 [2021-03-26 16:24:13,833 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:13,884 INFO L129 PetriNetUnfolder]: 12/36 cut-off events. [2021-03-26 16:24:13,885 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-03-26 16:24:13,885 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 8. Compared 78 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. [2021-03-26 16:24:13,886 INFO L132 encePairwiseOnDemand]: 25/30 looper letters, 11 selfloop transitions, 6 changer transitions 0/22 dead transitions. [2021-03-26 16:24:13,886 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 18 places, 22 transitions, 108 flow [2021-03-26 16:24:13,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 16:24:13,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 16:24:13,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 80 transitions. [2021-03-26 16:24:13,893 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5333333333333333 [2021-03-26 16:24:13,893 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 80 transitions. [2021-03-26 16:24:13,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 80 transitions. [2021-03-26 16:24:13,897 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:13,898 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 80 transitions. [2021-03-26 16:24:13,900 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:13,902 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 30.0) internal successors, (180), 6 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:13,902 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 30.0) internal successors, (180), 6 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:13,902 INFO L185 Difference]: Start difference. First operand has 14 places, 12 transitions, 43 flow. Second operand 5 states and 80 transitions. [2021-03-26 16:24:13,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 18 places, 22 transitions, 108 flow [2021-03-26 16:24:13,905 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 17 places, 22 transitions, 104 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 16:24:13,907 INFO L241 Difference]: Finished difference. Result has 19 places, 17 transitions, 85 flow [2021-03-26 16:24:13,907 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, 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=85, PETRI_PLACES=19, PETRI_TRANSITIONS=17} [2021-03-26 16:24:13,907 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 4 predicate places. [2021-03-26 16:24:13,908 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:13,908 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 19 places, 17 transitions, 85 flow [2021-03-26 16:24:13,908 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 19 places, 17 transitions, 85 flow [2021-03-26 16:24:13,909 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 19 places, 17 transitions, 85 flow [2021-03-26 16:24:13,921 INFO L129 PetriNetUnfolder]: 9/31 cut-off events. [2021-03-26 16:24:13,921 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2021-03-26 16:24:13,922 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 31 events. 9/31 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 75 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 55. Up to 15 conditions per place. [2021-03-26 16:24:13,922 INFO L142 LiptonReduction]: Number of co-enabled transitions 18 [2021-03-26 16:24:13,923 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:13,923 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:24:13,923 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-03-26 16:24:13,925 INFO L480 AbstractCegarLoop]: Abstraction has has 19 places, 17 transitions, 85 flow [2021-03-26 16:24:13,925 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:13,926 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:13,926 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:13,926 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 16:24:13,926 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:13,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:13,927 INFO L82 PathProgramCache]: Analyzing trace with hash -2085285808, now seen corresponding path program 2 times [2021-03-26 16:24:13,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:13,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980320591] [2021-03-26 16:24:13,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:13,963 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:13,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:13,971 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:13,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:13,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:13,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:13,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:13,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:13,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:13,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980320591] [2021-03-26 16:24:13,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701940718] [2021-03-26 16:24:13,990 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 [2021-03-26 16:24:14,042 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:24:14,042 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:24:14,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 16:24:14,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:24:14,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:14,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:14,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:14,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:14,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:14,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:14,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:14,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:14,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:14,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:14,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:14,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:14,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:14,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:14,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:14,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:14,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:14,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:14,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:14,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:14,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:14,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:14,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:14,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:14,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:14,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:14,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:14,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:14,198 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 16:24:14,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:14,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:14,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:14,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:24:14,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:14,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:14,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:14,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:14,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:14,213 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:14,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:14,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 6 [2021-03-26 16:24:14,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633490353] [2021-03-26 16:24:14,214 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 16:24:14,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:14,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 16:24:14,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-26 16:24:14,215 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 30 [2021-03-26 16:24:14,215 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 17 transitions, 85 flow. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 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) [2021-03-26 16:24:14,215 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:14,215 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 30 [2021-03-26 16:24:14,216 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:14,284 INFO L129 PetriNetUnfolder]: 10/33 cut-off events. [2021-03-26 16:24:14,284 INFO L130 PetriNetUnfolder]: For 25/25 co-relation queries the response was YES. [2021-03-26 16:24:14,285 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 33 events. 10/33 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 70 event pairs, 1 based on Foata normal form. 2/35 useless extension candidates. Maximal degree in co-relation 79. Up to 15 conditions per place. [2021-03-26 16:24:14,285 INFO L132 encePairwiseOnDemand]: 26/30 looper letters, 7 selfloop transitions, 6 changer transitions 3/21 dead transitions. [2021-03-26 16:24:14,286 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 21 transitions, 139 flow [2021-03-26 16:24:14,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 16:24:14,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 16:24:14,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 65 transitions. [2021-03-26 16:24:14,288 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5416666666666666 [2021-03-26 16:24:14,288 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 65 transitions. [2021-03-26 16:24:14,288 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 65 transitions. [2021-03-26 16:24:14,288 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:14,288 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 65 transitions. [2021-03-26 16:24:14,289 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:14,289 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:14,290 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:14,290 INFO L185 Difference]: Start difference. First operand has 19 places, 17 transitions, 85 flow. Second operand 4 states and 65 transitions. [2021-03-26 16:24:14,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 21 transitions, 139 flow [2021-03-26 16:24:14,292 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 21 transitions, 139 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 16:24:14,292 INFO L241 Difference]: Finished difference. Result has 23 places, 16 transitions, 100 flow [2021-03-26 16:24:14,293 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=85, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=100, PETRI_PLACES=23, PETRI_TRANSITIONS=16} [2021-03-26 16:24:14,293 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 8 predicate places. [2021-03-26 16:24:14,293 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:14,293 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 23 places, 16 transitions, 100 flow [2021-03-26 16:24:14,293 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 23 places, 16 transitions, 100 flow [2021-03-26 16:24:14,294 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 23 places, 16 transitions, 100 flow [2021-03-26 16:24:14,300 INFO L129 PetriNetUnfolder]: 6/26 cut-off events. [2021-03-26 16:24:14,300 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2021-03-26 16:24:14,300 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 26 events. 6/26 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 50 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 55. Up to 12 conditions per place. [2021-03-26 16:24:14,300 INFO L142 LiptonReduction]: Number of co-enabled transitions 20 [2021-03-26 16:24:14,301 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:14,301 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:24:14,301 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8 [2021-03-26 16:24:14,303 INFO L480 AbstractCegarLoop]: Abstraction has has 23 places, 16 transitions, 100 flow [2021-03-26 16:24:14,303 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 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) [2021-03-26 16:24:14,303 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:14,304 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:14,519 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-03-26 16:24:14,520 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:14,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:14,520 INFO L82 PathProgramCache]: Analyzing trace with hash -561747373, now seen corresponding path program 1 times [2021-03-26 16:24:14,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:14,520 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619325857] [2021-03-26 16:24:14,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:14,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:14,539 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:14,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:14,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:14,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:14,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:14,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619325857] [2021-03-26 16:24:14,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 16:24:14,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 16:24:14,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161083948] [2021-03-26 16:24:14,553 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 16:24:14,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:14,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 16:24:14,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 16:24:14,554 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 30 [2021-03-26 16:24:14,554 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 16 transitions, 100 flow. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:14,554 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:14,554 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 30 [2021-03-26 16:24:14,554 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:14,581 INFO L129 PetriNetUnfolder]: 11/39 cut-off events. [2021-03-26 16:24:14,581 INFO L130 PetriNetUnfolder]: For 60/62 co-relation queries the response was YES. [2021-03-26 16:24:14,581 INFO L84 FinitePrefix]: Finished finitePrefix Result has 139 conditions, 39 events. 11/39 cut-off events. For 60/62 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 101 event pairs, 0 based on Foata normal form. 4/43 useless extension candidates. Maximal degree in co-relation 108. Up to 17 conditions per place. [2021-03-26 16:24:14,582 INFO L132 encePairwiseOnDemand]: 25/30 looper letters, 13 selfloop transitions, 6 changer transitions 1/25 dead transitions. [2021-03-26 16:24:14,582 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 25 transitions, 188 flow [2021-03-26 16:24:14,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 16:24:14,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 16:24:14,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 80 transitions. [2021-03-26 16:24:14,583 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5333333333333333 [2021-03-26 16:24:14,583 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 80 transitions. [2021-03-26 16:24:14,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 80 transitions. [2021-03-26 16:24:14,584 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:14,584 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 80 transitions. [2021-03-26 16:24:14,584 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:14,585 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 30.0) internal successors, (180), 6 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:14,585 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 30.0) internal successors, (180), 6 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:14,585 INFO L185 Difference]: Start difference. First operand has 23 places, 16 transitions, 100 flow. Second operand 5 states and 80 transitions. [2021-03-26 16:24:14,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 25 transitions, 188 flow [2021-03-26 16:24:14,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 25 transitions, 169 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-03-26 16:24:14,587 INFO L241 Difference]: Finished difference. Result has 26 places, 19 transitions, 129 flow [2021-03-26 16:24:14,587 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=129, PETRI_PLACES=26, PETRI_TRANSITIONS=19} [2021-03-26 16:24:14,587 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 11 predicate places. [2021-03-26 16:24:14,587 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:14,587 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 26 places, 19 transitions, 129 flow [2021-03-26 16:24:14,588 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 26 places, 19 transitions, 129 flow [2021-03-26 16:24:14,588 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 26 places, 19 transitions, 129 flow [2021-03-26 16:24:14,592 INFO L129 PetriNetUnfolder]: 8/31 cut-off events. [2021-03-26 16:24:14,592 INFO L130 PetriNetUnfolder]: For 25/25 co-relation queries the response was YES. [2021-03-26 16:24:14,592 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 31 events. 8/31 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 64 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 77. Up to 15 conditions per place. [2021-03-26 16:24:14,592 INFO L142 LiptonReduction]: Number of co-enabled transitions 20 [2021-03-26 16:24:14,593 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:14,594 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:24:14,594 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7 [2021-03-26 16:24:14,594 INFO L480 AbstractCegarLoop]: Abstraction has has 26 places, 19 transitions, 129 flow [2021-03-26 16:24:14,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:14,595 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:14,595 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:14,595 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 16:24:14,595 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:14,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:14,605 INFO L82 PathProgramCache]: Analyzing trace with hash 353075403, now seen corresponding path program 2 times [2021-03-26 16:24:14,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:14,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181980194] [2021-03-26 16:24:14,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:14,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:14,634 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:14,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:14,641 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:14,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:14,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:14,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:14,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181980194] [2021-03-26 16:24:14,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 16:24:14,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 16:24:14,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103884699] [2021-03-26 16:24:14,650 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 16:24:14,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:14,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 16:24:14,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 16:24:14,651 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 30 [2021-03-26 16:24:14,651 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 19 transitions, 129 flow. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:14,651 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:14,651 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 30 [2021-03-26 16:24:14,652 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:14,707 INFO L129 PetriNetUnfolder]: 10/34 cut-off events. [2021-03-26 16:24:14,707 INFO L130 PetriNetUnfolder]: For 47/47 co-relation queries the response was YES. [2021-03-26 16:24:14,707 INFO L84 FinitePrefix]: Finished finitePrefix Result has 139 conditions, 34 events. 10/34 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 61 event pairs, 1 based on Foata normal form. 2/36 useless extension candidates. Maximal degree in co-relation 109. Up to 20 conditions per place. [2021-03-26 16:24:14,708 INFO L132 encePairwiseOnDemand]: 26/30 looper letters, 9 selfloop transitions, 5 changer transitions 0/19 dead transitions. [2021-03-26 16:24:14,708 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 19 transitions, 157 flow [2021-03-26 16:24:14,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 16:24:14,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 16:24:14,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 63 transitions. [2021-03-26 16:24:14,709 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.525 [2021-03-26 16:24:14,709 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 63 transitions. [2021-03-26 16:24:14,709 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 63 transitions. [2021-03-26 16:24:14,709 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:14,709 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 63 transitions. [2021-03-26 16:24:14,710 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:14,710 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:14,710 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:14,711 INFO L185 Difference]: Start difference. First operand has 26 places, 19 transitions, 129 flow. Second operand 4 states and 63 transitions. [2021-03-26 16:24:14,711 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 19 transitions, 157 flow [2021-03-26 16:24:14,712 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 19 transitions, 150 flow, removed 3 selfloop flow, removed 1 redundant places. [2021-03-26 16:24:14,713 INFO L241 Difference]: Finished difference. Result has 29 places, 18 transitions, 131 flow [2021-03-26 16:24:14,713 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=131, PETRI_PLACES=29, PETRI_TRANSITIONS=18} [2021-03-26 16:24:14,713 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 14 predicate places. [2021-03-26 16:24:14,713 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:14,714 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 29 places, 18 transitions, 131 flow [2021-03-26 16:24:14,714 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 29 places, 18 transitions, 131 flow [2021-03-26 16:24:14,714 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 18 transitions, 131 flow [2021-03-26 16:24:14,718 INFO L129 PetriNetUnfolder]: 7/30 cut-off events. [2021-03-26 16:24:14,718 INFO L130 PetriNetUnfolder]: For 27/27 co-relation queries the response was YES. [2021-03-26 16:24:14,718 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 30 events. 7/30 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 54 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 80. Up to 13 conditions per place. [2021-03-26 16:24:14,718 INFO L142 LiptonReduction]: Number of co-enabled transitions 18 [2021-03-26 16:24:14,719 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:14,719 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:24:14,719 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6 [2021-03-26 16:24:14,720 INFO L480 AbstractCegarLoop]: Abstraction has has 29 places, 18 transitions, 131 flow [2021-03-26 16:24:14,720 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:14,720 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:14,721 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:14,721 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 16:24:14,721 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:14,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:14,721 INFO L82 PathProgramCache]: Analyzing trace with hash -992032837, now seen corresponding path program 1 times [2021-03-26 16:24:14,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:14,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434751642] [2021-03-26 16:24:14,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:14,754 INFO L142 QuantifierPusher]: treesize reduction 29, result has 49.1 percent of original size [2021-03-26 16:24:14,756 INFO L147 QuantifierPusher]: treesize reduction 7, result has 75.0 percent of original size 21 [2021-03-26 16:24:14,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:24:14,783 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-26 16:24:14,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:14,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:14,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434751642] [2021-03-26 16:24:14,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614307810] [2021-03-26 16:24:14,792 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) [2021-03-26 16:24:14,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:14,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-26 16:24:14,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:24:14,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:14,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:14,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:14,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:14,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:14,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:14,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:14,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:14,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:14,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:14,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:14,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:14,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:14,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:14,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:14,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:14,867 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-26 16:24:14,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:14,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:14,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:14,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:14,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:14,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:14,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:14,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2021-03-26 16:24:14,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:14,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:14,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:24:14,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:14,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:14,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:24:14,906 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 16:24:14,908 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:14,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:14,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:24:14,910 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 16:24:14,910 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:5 [2021-03-26 16:24:14,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:14,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:14,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:24:14,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:14,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:14,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:24:14,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:14,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:14,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:14,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:14,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:14,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:14,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:14,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:14,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:14,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:14,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:14,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:14,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:14,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:14,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:14,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:14,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:14,952 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:14,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:14,952 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2021-03-26 16:24:14,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41628916] [2021-03-26 16:24:14,953 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 16:24:14,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:14,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 16:24:14,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-26 16:24:14,956 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 30 [2021-03-26 16:24:14,956 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 18 transitions, 131 flow. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 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) [2021-03-26 16:24:14,956 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:14,956 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 30 [2021-03-26 16:24:14,956 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:15,009 INFO L129 PetriNetUnfolder]: 16/52 cut-off events. [2021-03-26 16:24:15,009 INFO L130 PetriNetUnfolder]: For 95/95 co-relation queries the response was YES. [2021-03-26 16:24:15,010 INFO L84 FinitePrefix]: Finished finitePrefix Result has 225 conditions, 52 events. 16/52 cut-off events. For 95/95 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 147 event pairs, 2 based on Foata normal form. 2/54 useless extension candidates. Maximal degree in co-relation 189. Up to 31 conditions per place. [2021-03-26 16:24:15,010 INFO L132 encePairwiseOnDemand]: 26/30 looper letters, 14 selfloop transitions, 8 changer transitions 0/26 dead transitions. [2021-03-26 16:24:15,010 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 26 transitions, 239 flow [2021-03-26 16:24:15,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 16:24:15,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 16:24:15,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 71 transitions. [2021-03-26 16:24:15,013 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47333333333333333 [2021-03-26 16:24:15,013 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 71 transitions. [2021-03-26 16:24:15,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 71 transitions. [2021-03-26 16:24:15,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:15,014 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 71 transitions. [2021-03-26 16:24:15,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:15,016 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 30.0) internal successors, (180), 6 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:15,016 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 30.0) internal successors, (180), 6 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:15,016 INFO L185 Difference]: Start difference. First operand has 29 places, 18 transitions, 131 flow. Second operand 5 states and 71 transitions. [2021-03-26 16:24:15,016 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 26 transitions, 239 flow [2021-03-26 16:24:15,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 26 transitions, 228 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-03-26 16:24:15,021 INFO L241 Difference]: Finished difference. Result has 33 places, 23 transitions, 195 flow [2021-03-26 16:24:15,022 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=120, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=195, PETRI_PLACES=33, PETRI_TRANSITIONS=23} [2021-03-26 16:24:15,022 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 18 predicate places. [2021-03-26 16:24:15,022 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:15,022 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 23 transitions, 195 flow [2021-03-26 16:24:15,022 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 23 transitions, 195 flow [2021-03-26 16:24:15,022 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 23 transitions, 195 flow [2021-03-26 16:24:15,026 INFO L129 PetriNetUnfolder]: 10/44 cut-off events. [2021-03-26 16:24:15,026 INFO L130 PetriNetUnfolder]: For 60/60 co-relation queries the response was YES. [2021-03-26 16:24:15,027 INFO L84 FinitePrefix]: Finished finitePrefix Result has 174 conditions, 44 events. 10/44 cut-off events. For 60/60 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 131 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 138. Up to 19 conditions per place. [2021-03-26 16:24:15,027 INFO L142 LiptonReduction]: Number of co-enabled transitions 28 [2021-03-26 16:24:15,028 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:15,028 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:24:15,029 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7 [2021-03-26 16:24:15,029 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 23 transitions, 195 flow [2021-03-26 16:24:15,029 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 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) [2021-03-26 16:24:15,029 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:15,029 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:15,230 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:24:15,230 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:15,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:15,231 INFO L82 PathProgramCache]: Analyzing trace with hash -1962623617, now seen corresponding path program 2 times [2021-03-26 16:24:15,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:15,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069707991] [2021-03-26 16:24:15,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:15,254 INFO L142 QuantifierPusher]: treesize reduction 29, result has 49.1 percent of original size [2021-03-26 16:24:15,255 INFO L147 QuantifierPusher]: treesize reduction 7, result has 75.0 percent of original size 21 [2021-03-26 16:24:15,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:15,297 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-26 16:24:15,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:15,304 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:15,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069707991] [2021-03-26 16:24:15,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117061261] [2021-03-26 16:24:15,305 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) [2021-03-26 16:24:15,336 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:24:15,336 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:24:15,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-26 16:24:15,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:24:15,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:15,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:15,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:15,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:24:15,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:15,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:15,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:15,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:15,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:15,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:15,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:15,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:15,360 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-26 16:24:15,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:24:15,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:24:15,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:24:15,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:24:15,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:24:15,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:24:15,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:24:15,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:24:15,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:15,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:15,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:15,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:15,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:15,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:15,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:15,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:15,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:15,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:15,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:15,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:15,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:15,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:15,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:15,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:15,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:15,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:15,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2021-03-26 16:24:15,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407297777] [2021-03-26 16:24:15,409 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 16:24:15,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:15,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 16:24:15,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-26 16:24:15,410 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 30 [2021-03-26 16:24:15,410 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 23 transitions, 195 flow. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 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) [2021-03-26 16:24:15,410 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:15,410 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 30 [2021-03-26 16:24:15,410 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:15,468 INFO L129 PetriNetUnfolder]: 22/70 cut-off events. [2021-03-26 16:24:15,468 INFO L130 PetriNetUnfolder]: For 183/183 co-relation queries the response was YES. [2021-03-26 16:24:15,470 INFO L84 FinitePrefix]: Finished finitePrefix Result has 333 conditions, 70 events. 22/70 cut-off events. For 183/183 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 237 event pairs, 4 based on Foata normal form. 2/72 useless extension candidates. Maximal degree in co-relation 288. Up to 45 conditions per place. [2021-03-26 16:24:15,473 INFO L132 encePairwiseOnDemand]: 26/30 looper letters, 19 selfloop transitions, 8 changer transitions 0/31 dead transitions. [2021-03-26 16:24:15,473 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 31 transitions, 317 flow [2021-03-26 16:24:15,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 16:24:15,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 16:24:15,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 71 transitions. [2021-03-26 16:24:15,475 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47333333333333333 [2021-03-26 16:24:15,475 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 71 transitions. [2021-03-26 16:24:15,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 71 transitions. [2021-03-26 16:24:15,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:15,475 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 71 transitions. [2021-03-26 16:24:15,476 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:15,477 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 30.0) internal successors, (180), 6 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:15,478 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 30.0) internal successors, (180), 6 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:15,478 INFO L185 Difference]: Start difference. First operand has 33 places, 23 transitions, 195 flow. Second operand 5 states and 71 transitions. [2021-03-26 16:24:15,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 31 transitions, 317 flow [2021-03-26 16:24:15,483 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 31 transitions, 302 flow, removed 6 selfloop flow, removed 1 redundant places. [2021-03-26 16:24:15,485 INFO L241 Difference]: Finished difference. Result has 38 places, 28 transitions, 257 flow [2021-03-26 16:24:15,485 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=257, PETRI_PLACES=38, PETRI_TRANSITIONS=28} [2021-03-26 16:24:15,485 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 23 predicate places. [2021-03-26 16:24:15,485 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:15,486 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 28 transitions, 257 flow [2021-03-26 16:24:15,486 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 28 transitions, 257 flow [2021-03-26 16:24:15,486 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 28 transitions, 257 flow [2021-03-26 16:24:15,492 INFO L129 PetriNetUnfolder]: 13/57 cut-off events. [2021-03-26 16:24:15,492 INFO L130 PetriNetUnfolder]: For 89/90 co-relation queries the response was YES. [2021-03-26 16:24:15,492 INFO L84 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 57 events. 13/57 cut-off events. For 89/90 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 203 event pairs, 0 based on Foata normal form. 1/58 useless extension candidates. Maximal degree in co-relation 193. Up to 22 conditions per place. [2021-03-26 16:24:15,493 INFO L142 LiptonReduction]: Number of co-enabled transitions 34 [2021-03-26 16:24:15,495 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:15,495 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:24:15,495 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-03-26 16:24:15,495 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 28 transitions, 257 flow [2021-03-26 16:24:15,496 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 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) [2021-03-26 16:24:15,496 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:15,496 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:15,711 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:24:15,712 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:15,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:15,712 INFO L82 PathProgramCache]: Analyzing trace with hash -630006458, now seen corresponding path program 3 times [2021-03-26 16:24:15,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:15,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669329721] [2021-03-26 16:24:15,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:15,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:15,738 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:15,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:15,748 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:15,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:15,755 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:15,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:15,756 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:15,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:15,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:15,766 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:15,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669329721] [2021-03-26 16:24:15,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529613242] [2021-03-26 16:24:15,766 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 [2021-03-26 16:24:15,786 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-26 16:24:15,786 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:24:15,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 16:24:15,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:24:15,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:15,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:15,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:15,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:15,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:15,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:15,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:15,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:15,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:15,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:15,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:15,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:15,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:15,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:15,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:15,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:15,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:15,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:15,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:15,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:15,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:15,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:15,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:15,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:15,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:15,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:15,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:15,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:15,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:15,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:15,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:15,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:15,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:15,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:15,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:15,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:15,866 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 16:24:15,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:15,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:15,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:15,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:24:15,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:15,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:15,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:15,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:15,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:15,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:15,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:15,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:15,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:15,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:15,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:15,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:15,878 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:15,878 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:15,878 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2021-03-26 16:24:15,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540064160] [2021-03-26 16:24:15,879 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 16:24:15,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:15,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 16:24:15,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-03-26 16:24:15,880 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 30 [2021-03-26 16:24:15,880 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 28 transitions, 257 flow. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 9 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:15,880 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:15,880 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 30 [2021-03-26 16:24:15,880 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:16,123 INFO L129 PetriNetUnfolder]: 34/118 cut-off events. [2021-03-26 16:24:16,123 INFO L130 PetriNetUnfolder]: For 383/387 co-relation queries the response was YES. [2021-03-26 16:24:16,124 INFO L84 FinitePrefix]: Finished finitePrefix Result has 585 conditions, 118 events. 34/118 cut-off events. For 383/387 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 513 event pairs, 3 based on Foata normal form. 9/127 useless extension candidates. Maximal degree in co-relation 510. Up to 46 conditions per place. [2021-03-26 16:24:16,125 INFO L132 encePairwiseOnDemand]: 26/30 looper letters, 21 selfloop transitions, 21 changer transitions 0/47 dead transitions. [2021-03-26 16:24:16,125 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 47 transitions, 529 flow [2021-03-26 16:24:16,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 16:24:16,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 16:24:16,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 179 transitions. [2021-03-26 16:24:16,127 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5424242424242425 [2021-03-26 16:24:16,127 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 179 transitions. [2021-03-26 16:24:16,127 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 179 transitions. [2021-03-26 16:24:16,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:16,128 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 179 transitions. [2021-03-26 16:24:16,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 16.272727272727273) internal successors, (179), 11 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:16,130 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 30.0) internal successors, (360), 12 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:16,130 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 30.0) internal successors, (360), 12 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:16,130 INFO L185 Difference]: Start difference. First operand has 38 places, 28 transitions, 257 flow. Second operand 11 states and 179 transitions. [2021-03-26 16:24:16,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 47 transitions, 529 flow [2021-03-26 16:24:16,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 47 transitions, 510 flow, removed 8 selfloop flow, removed 1 redundant places. [2021-03-26 16:24:16,135 INFO L241 Difference]: Finished difference. Result has 51 places, 34 transitions, 379 flow [2021-03-26 16:24:16,135 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=238, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=379, PETRI_PLACES=51, PETRI_TRANSITIONS=34} [2021-03-26 16:24:16,135 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 36 predicate places. [2021-03-26 16:24:16,135 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:16,135 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 34 transitions, 379 flow [2021-03-26 16:24:16,136 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 34 transitions, 379 flow [2021-03-26 16:24:16,137 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 34 transitions, 379 flow [2021-03-26 16:24:16,153 INFO L129 PetriNetUnfolder]: 20/96 cut-off events. [2021-03-26 16:24:16,153 INFO L130 PetriNetUnfolder]: For 303/315 co-relation queries the response was YES. [2021-03-26 16:24:16,154 INFO L84 FinitePrefix]: Finished finitePrefix Result has 459 conditions, 96 events. 20/96 cut-off events. For 303/315 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 446 event pairs, 0 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 382. Up to 38 conditions per place. [2021-03-26 16:24:16,156 INFO L142 LiptonReduction]: Number of co-enabled transitions 44 [2021-03-26 16:24:16,219 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 16:24:16,220 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 16:24:16,220 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 85 [2021-03-26 16:24:16,220 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 34 transitions, 387 flow [2021-03-26 16:24:16,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 9 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:16,221 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:16,221 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:16,436 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:24:16,436 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:16,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:16,436 INFO L82 PathProgramCache]: Analyzing trace with hash 1948219949, now seen corresponding path program 4 times [2021-03-26 16:24:16,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:16,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748569533] [2021-03-26 16:24:16,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:16,451 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:16,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:16,457 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:16,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:16,463 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:16,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:16,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:16,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:16,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:16,496 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:16,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748569533] [2021-03-26 16:24:16,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1462046704] [2021-03-26 16:24:16,496 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 [2021-03-26 16:24:16,535 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-26 16:24:16,535 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:24:16,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 16:24:16,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:24:16,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:16,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:16,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:16,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:16,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:16,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:16,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:16,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:16,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:16,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:16,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:16,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:16,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:16,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:16,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:16,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:16,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:16,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:16,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:16,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:16,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:16,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:16,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:16,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:16,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:16,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:16,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:16,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:16,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:16,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:16,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:16,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:16,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:16,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:16,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:16,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:16,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:16,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:16,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:16,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:16,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:16,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:16,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:16,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:16,634 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 16:24:16,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:16,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:16,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:16,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:24:16,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:16,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:16,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:16,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:16,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:16,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:16,643 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:16,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:16,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-03-26 16:24:16,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465052831] [2021-03-26 16:24:16,644 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 16:24:16,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:16,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 16:24:16,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-03-26 16:24:16,645 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 31 [2021-03-26 16:24:16,645 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 34 transitions, 387 flow. Second operand has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:16,645 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:16,645 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 31 [2021-03-26 16:24:16,645 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:16,873 INFO L129 PetriNetUnfolder]: 56/186 cut-off events. [2021-03-26 16:24:16,873 INFO L130 PetriNetUnfolder]: For 1145/1145 co-relation queries the response was YES. [2021-03-26 16:24:16,875 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1092 conditions, 186 events. 56/186 cut-off events. For 1145/1145 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 968 event pairs, 8 based on Foata normal form. 14/200 useless extension candidates. Maximal degree in co-relation 983. Up to 75 conditions per place. [2021-03-26 16:24:16,876 INFO L132 encePairwiseOnDemand]: 26/31 looper letters, 29 selfloop transitions, 28 changer transitions 0/62 dead transitions. [2021-03-26 16:24:16,877 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 62 transitions, 887 flow [2021-03-26 16:24:16,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 16:24:16,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 16:24:16,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 198 transitions. [2021-03-26 16:24:16,879 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.532258064516129 [2021-03-26 16:24:16,879 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 198 transitions. [2021-03-26 16:24:16,879 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 198 transitions. [2021-03-26 16:24:16,879 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:16,880 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 198 transitions. [2021-03-26 16:24:16,881 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 16.5) internal successors, (198), 12 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:16,882 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 31.0) internal successors, (403), 13 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:16,883 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 31.0) internal successors, (403), 13 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:16,883 INFO L185 Difference]: Start difference. First operand has 51 places, 34 transitions, 387 flow. Second operand 12 states and 198 transitions. [2021-03-26 16:24:16,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 62 transitions, 887 flow [2021-03-26 16:24:16,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 62 transitions, 780 flow, removed 37 selfloop flow, removed 7 redundant places. [2021-03-26 16:24:16,906 INFO L241 Difference]: Finished difference. Result has 62 places, 55 transitions, 720 flow [2021-03-26 16:24:16,906 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=31, PETRI_DIFFERENCE_MINUEND_FLOW=312, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=720, PETRI_PLACES=62, PETRI_TRANSITIONS=55} [2021-03-26 16:24:16,907 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 47 predicate places. [2021-03-26 16:24:16,907 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:16,907 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 55 transitions, 720 flow [2021-03-26 16:24:16,907 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 55 transitions, 720 flow [2021-03-26 16:24:16,908 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 55 transitions, 720 flow [2021-03-26 16:24:16,935 INFO L129 PetriNetUnfolder]: 47/177 cut-off events. [2021-03-26 16:24:16,935 INFO L130 PetriNetUnfolder]: For 1406/1425 co-relation queries the response was YES. [2021-03-26 16:24:16,937 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1076 conditions, 177 events. 47/177 cut-off events. For 1406/1425 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 970 event pairs, 6 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 960. Up to 64 conditions per place. [2021-03-26 16:24:16,939 INFO L142 LiptonReduction]: Number of co-enabled transitions 64 [2021-03-26 16:24:16,944 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:16,944 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:24:16,944 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37 [2021-03-26 16:24:16,945 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 55 transitions, 720 flow [2021-03-26 16:24:16,945 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:16,945 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:16,945 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:17,155 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:24:17,156 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:17,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:17,156 INFO L82 PathProgramCache]: Analyzing trace with hash 228006162, now seen corresponding path program 5 times [2021-03-26 16:24:17,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:17,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986623601] [2021-03-26 16:24:17,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:17,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:17,185 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:17,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:17,191 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:17,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:17,196 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:17,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:17,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:17,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:17,210 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 16:24:17,210 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986623601] [2021-03-26 16:24:17,210 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032813993] [2021-03-26 16:24:17,210 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 [2021-03-26 16:24:17,229 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:24:17,230 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:24:17,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 16:24:17,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:24:17,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:17,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:17,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:17,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:17,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:17,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:17,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:17,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:17,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:17,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:17,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:17,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:17,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:17,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:17,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:17,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:17,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:17,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:17,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:17,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:17,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:17,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:17,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:17,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:17,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:17,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:17,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:17,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:17,305 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-26 16:24:17,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:24:17,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:17,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:17,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:17,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:17,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:17,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:17,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:17,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:17,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:17,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:17,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:17,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:24:17,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:17,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:17,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:17,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:24:17,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:24:17,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:17,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:17,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:17,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:17,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:17,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:17,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:17,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:17,338 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:17,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:17,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2021-03-26 16:24:17,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160270846] [2021-03-26 16:24:17,341 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 16:24:17,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:17,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 16:24:17,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-26 16:24:17,342 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 31 [2021-03-26 16:24:17,342 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 55 transitions, 720 flow. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 9 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:17,342 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:17,342 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 31 [2021-03-26 16:24:17,343 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:17,584 INFO L129 PetriNetUnfolder]: 54/197 cut-off events. [2021-03-26 16:24:17,584 INFO L130 PetriNetUnfolder]: For 1737/1739 co-relation queries the response was YES. [2021-03-26 16:24:17,585 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1343 conditions, 197 events. 54/197 cut-off events. For 1737/1739 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1070 event pairs, 0 based on Foata normal form. 6/203 useless extension candidates. Maximal degree in co-relation 1217. Up to 72 conditions per place. [2021-03-26 16:24:17,587 INFO L132 encePairwiseOnDemand]: 25/31 looper letters, 48 selfloop transitions, 30 changer transitions 3/86 dead transitions. [2021-03-26 16:24:17,587 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 86 transitions, 1359 flow [2021-03-26 16:24:17,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 16:24:17,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 16:24:17,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 221 transitions. [2021-03-26 16:24:17,589 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5092165898617511 [2021-03-26 16:24:17,589 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 221 transitions. [2021-03-26 16:24:17,589 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 221 transitions. [2021-03-26 16:24:17,589 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:17,589 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 221 transitions. [2021-03-26 16:24:17,590 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 15.785714285714286) internal successors, (221), 14 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:17,591 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 31.0) internal successors, (465), 15 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:17,591 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 31.0) internal successors, (465), 15 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:17,591 INFO L185 Difference]: Start difference. First operand has 62 places, 55 transitions, 720 flow. Second operand 14 states and 221 transitions. [2021-03-26 16:24:17,591 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 86 transitions, 1359 flow [2021-03-26 16:24:17,601 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 86 transitions, 1163 flow, removed 90 selfloop flow, removed 4 redundant places. [2021-03-26 16:24:17,604 INFO L241 Difference]: Finished difference. Result has 77 places, 69 transitions, 872 flow [2021-03-26 16:24:17,604 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=31, PETRI_DIFFERENCE_MINUEND_FLOW=536, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=872, PETRI_PLACES=77, PETRI_TRANSITIONS=69} [2021-03-26 16:24:17,604 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 62 predicate places. [2021-03-26 16:24:17,604 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:17,604 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 69 transitions, 872 flow [2021-03-26 16:24:17,605 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 69 transitions, 872 flow [2021-03-26 16:24:17,606 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 69 transitions, 872 flow [2021-03-26 16:24:17,624 INFO L129 PetriNetUnfolder]: 49/182 cut-off events. [2021-03-26 16:24:17,624 INFO L130 PetriNetUnfolder]: For 1938/1938 co-relation queries the response was YES. [2021-03-26 16:24:17,625 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1133 conditions, 182 events. 49/182 cut-off events. For 1938/1938 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 969 event pairs, 4 based on Foata normal form. 0/182 useless extension candidates. Maximal degree in co-relation 1054. Up to 61 conditions per place. [2021-03-26 16:24:17,627 INFO L142 LiptonReduction]: Number of co-enabled transitions 58 [2021-03-26 16:24:17,633 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:17,633 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:24:17,633 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29 [2021-03-26 16:24:17,636 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 69 transitions, 872 flow [2021-03-26 16:24:17,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 9 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:17,636 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:17,636 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:17,859 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:24:17,859 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:17,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:17,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1936010028, now seen corresponding path program 6 times [2021-03-26 16:24:17,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:17,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002515962] [2021-03-26 16:24:17,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:17,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:17,883 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:17,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:17,889 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:17,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:17,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:17,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:17,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:17,906 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:17,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002515962] [2021-03-26 16:24:17,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331215738] [2021-03-26 16:24:17,907 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 [2021-03-26 16:24:17,926 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-03-26 16:24:17,926 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:24:17,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 16:24:17,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:24:17,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:17,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:17,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:17,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:17,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:17,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:17,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:17,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:17,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:17,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:17,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:17,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:17,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:17,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:17,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:17,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:17,964 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-26 16:24:17,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:24:17,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:17,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:17,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:17,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:17,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:17,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:17,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:17,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:17,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:17,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:17,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:17,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:17,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:17,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:17,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:17,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:17,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:17,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:17,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:18,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:18,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:24:18,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:18,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:18,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:18,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:24:18,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:24:18,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:18,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:18,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:18,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:18,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:18,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:18,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:18,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:18,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:18,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:18,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:18,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:18,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:18,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-26 16:24:18,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79693638] [2021-03-26 16:24:18,012 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 16:24:18,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:18,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 16:24:18,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-03-26 16:24:18,013 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 31 [2021-03-26 16:24:18,014 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 69 transitions, 872 flow. Second operand has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:18,014 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:18,014 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 31 [2021-03-26 16:24:18,014 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:18,322 INFO L129 PetriNetUnfolder]: 61/218 cut-off events. [2021-03-26 16:24:18,322 INFO L130 PetriNetUnfolder]: For 2602/2602 co-relation queries the response was YES. [2021-03-26 16:24:18,323 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1560 conditions, 218 events. 61/218 cut-off events. For 2602/2602 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1196 event pairs, 0 based on Foata normal form. 3/221 useless extension candidates. Maximal degree in co-relation 1418. Up to 75 conditions per place. [2021-03-26 16:24:18,325 INFO L132 encePairwiseOnDemand]: 25/31 looper letters, 57 selfloop transitions, 41 changer transitions 3/106 dead transitions. [2021-03-26 16:24:18,325 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 106 transitions, 1719 flow [2021-03-26 16:24:18,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 16:24:18,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 16:24:18,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 248 transitions. [2021-03-26 16:24:18,327 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5 [2021-03-26 16:24:18,327 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 248 transitions. [2021-03-26 16:24:18,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 248 transitions. [2021-03-26 16:24:18,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:18,328 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 248 transitions. [2021-03-26 16:24:18,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 15.5) internal successors, (248), 16 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:18,330 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 31.0) internal successors, (527), 17 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:18,330 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 31.0) internal successors, (527), 17 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:18,330 INFO L185 Difference]: Start difference. First operand has 76 places, 69 transitions, 872 flow. Second operand 16 states and 248 transitions. [2021-03-26 16:24:18,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 106 transitions, 1719 flow [2021-03-26 16:24:18,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 106 transitions, 1447 flow, removed 130 selfloop flow, removed 4 redundant places. [2021-03-26 16:24:18,346 INFO L241 Difference]: Finished difference. Result has 94 places, 87 transitions, 1121 flow [2021-03-26 16:24:18,346 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=31, PETRI_DIFFERENCE_MINUEND_FLOW=734, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=1121, PETRI_PLACES=94, PETRI_TRANSITIONS=87} [2021-03-26 16:24:18,346 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 79 predicate places. [2021-03-26 16:24:18,347 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:18,347 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 87 transitions, 1121 flow [2021-03-26 16:24:18,347 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 87 transitions, 1121 flow [2021-03-26 16:24:18,348 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 92 places, 87 transitions, 1121 flow [2021-03-26 16:24:18,374 INFO L129 PetriNetUnfolder]: 58/212 cut-off events. [2021-03-26 16:24:18,374 INFO L130 PetriNetUnfolder]: For 2308/2308 co-relation queries the response was YES. [2021-03-26 16:24:18,376 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1291 conditions, 212 events. 58/212 cut-off events. For 2308/2308 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1173 event pairs, 3 based on Foata normal form. 0/212 useless extension candidates. Maximal degree in co-relation 1246. Up to 59 conditions per place. [2021-03-26 16:24:18,377 INFO L142 LiptonReduction]: Number of co-enabled transitions 58 [2021-03-26 16:24:18,448 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:18,448 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 16:24:18,448 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 102 [2021-03-26 16:24:18,450 INFO L480 AbstractCegarLoop]: Abstraction has has 92 places, 87 transitions, 1127 flow [2021-03-26 16:24:18,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:18,451 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:18,451 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:18,672 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:24:18,672 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:18,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:18,673 INFO L82 PathProgramCache]: Analyzing trace with hash -713093557, now seen corresponding path program 7 times [2021-03-26 16:24:18,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:18,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647682477] [2021-03-26 16:24:18,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:18,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:18,707 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:18,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:18,713 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:18,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:18,720 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:18,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:18,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:18,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:18,726 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:18,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647682477] [2021-03-26 16:24:18,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405709094] [2021-03-26 16:24:18,726 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) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:24:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:18,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 16:24:18,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:24:18,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:18,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:18,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:18,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:18,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:18,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:18,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:18,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:18,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:18,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:18,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:18,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:18,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:18,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:18,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:18,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:18,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:18,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:18,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:18,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:18,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:18,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:18,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:18,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:18,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:18,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:18,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:18,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:18,833 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-26 16:24:18,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:24:18,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:18,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:18,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:18,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:18,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:18,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:18,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:18,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:24:18,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:18,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:18,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:18,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:24:18,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:24:18,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:18,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:18,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:18,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:18,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:18,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:18,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:18,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:18,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:18,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:18,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:18,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:18,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:18,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:18,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2021-03-26 16:24:18,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525702124] [2021-03-26 16:24:18,866 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 16:24:18,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:18,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 16:24:18,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-26 16:24:18,867 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 32 [2021-03-26 16:24:18,867 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 87 transitions, 1127 flow. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 9 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:18,867 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:18,867 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 32 [2021-03-26 16:24:18,867 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:19,112 INFO L129 PetriNetUnfolder]: 62/214 cut-off events. [2021-03-26 16:24:19,112 INFO L130 PetriNetUnfolder]: For 2462/2465 co-relation queries the response was YES. [2021-03-26 16:24:19,113 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1468 conditions, 214 events. 62/214 cut-off events. For 2462/2465 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1175 event pairs, 0 based on Foata normal form. 6/220 useless extension candidates. Maximal degree in co-relation 1350. Up to 62 conditions per place. [2021-03-26 16:24:19,115 INFO L132 encePairwiseOnDemand]: 26/32 looper letters, 66 selfloop transitions, 47 changer transitions 1/119 dead transitions. [2021-03-26 16:24:19,115 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 119 transitions, 1835 flow [2021-03-26 16:24:19,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 16:24:19,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 16:24:19,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 232 transitions. [2021-03-26 16:24:19,116 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48333333333333334 [2021-03-26 16:24:19,116 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 232 transitions. [2021-03-26 16:24:19,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 232 transitions. [2021-03-26 16:24:19,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:19,117 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 232 transitions. [2021-03-26 16:24:19,118 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 15.466666666666667) internal successors, (232), 15 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:19,120 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 32.0) internal successors, (512), 16 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:19,120 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 32.0) internal successors, (512), 16 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:19,120 INFO L185 Difference]: Start difference. First operand has 92 places, 87 transitions, 1127 flow. Second operand 15 states and 232 transitions. [2021-03-26 16:24:19,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 119 transitions, 1835 flow [2021-03-26 16:24:19,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 119 transitions, 1616 flow, removed 89 selfloop flow, removed 5 redundant places. [2021-03-26 16:24:19,142 INFO L241 Difference]: Finished difference. Result has 103 places, 106 transitions, 1315 flow [2021-03-26 16:24:19,143 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=934, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1315, PETRI_PLACES=103, PETRI_TRANSITIONS=106} [2021-03-26 16:24:19,143 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 88 predicate places. [2021-03-26 16:24:19,143 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:19,143 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 106 transitions, 1315 flow [2021-03-26 16:24:19,143 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 106 transitions, 1315 flow [2021-03-26 16:24:19,144 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 106 transitions, 1315 flow [2021-03-26 16:24:19,162 INFO L129 PetriNetUnfolder]: 60/207 cut-off events. [2021-03-26 16:24:19,162 INFO L130 PetriNetUnfolder]: For 2356/2356 co-relation queries the response was YES. [2021-03-26 16:24:19,163 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1245 conditions, 207 events. 60/207 cut-off events. For 2356/2356 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1151 event pairs, 3 based on Foata normal form. 0/207 useless extension candidates. Maximal degree in co-relation 1143. Up to 47 conditions per place. [2021-03-26 16:24:19,164 INFO L142 LiptonReduction]: Number of co-enabled transitions 60 [2021-03-26 16:24:19,178 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:19,178 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:24:19,179 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 36 [2021-03-26 16:24:19,179 INFO L480 AbstractCegarLoop]: Abstraction has has 102 places, 106 transitions, 1315 flow [2021-03-26 16:24:19,179 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 9 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:19,179 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:19,180 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:19,395 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-03-26 16:24:19,396 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:19,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:19,396 INFO L82 PathProgramCache]: Analyzing trace with hash 1234911423, now seen corresponding path program 1 times [2021-03-26 16:24:19,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:19,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119962416] [2021-03-26 16:24:19,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:19,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:19,430 INFO L142 QuantifierPusher]: treesize reduction 41, result has 36.9 percent of original size [2021-03-26 16:24:19,431 INFO L147 QuantifierPusher]: treesize reduction 5, result has 79.2 percent of original size 19 [2021-03-26 16:24:19,454 INFO L142 QuantifierPusher]: treesize reduction 83, result has 40.3 percent of original size [2021-03-26 16:24:19,455 INFO L147 QuantifierPusher]: treesize reduction 7, result has 87.5 percent of original size 49 [2021-03-26 16:24:19,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:19,490 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-26 16:24:19,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:19,498 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:19,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119962416] [2021-03-26 16:24:19,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [332154027] [2021-03-26 16:24:19,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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) [2021-03-26 16:24:19,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:19,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-26 16:24:19,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:24:19,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:24:19,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:19,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:19,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:19,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:19,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:19,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:19,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:19,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:19,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,543 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-03-26 16:24:19,543 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-03-26 16:24:19,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:19,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:19,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:19,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:19,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:19,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:19,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:19,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:24:19,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:24:19,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:24:19,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:24:19,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:24:19,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:24:19,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:24:19,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:24:19,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:19,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:19,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:19,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:19,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:19,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:19,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:19,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2021-03-26 16:24:19,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:19,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:19,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:24:19,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:19,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:19,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:24:19,584 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 16:24:19,585 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:19,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:19,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:24:19,587 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 16:24:19,587 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:5 [2021-03-26 16:24:19,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:19,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:19,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:24:19,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:19,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:19,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:24:19,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:19,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:19,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:19,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:19,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:19,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:19,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:19,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:19,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:19,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:19,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:19,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:19,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:19,609 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:19,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:19,609 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-03-26 16:24:19,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859991941] [2021-03-26 16:24:19,610 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 16:24:19,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:19,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 16:24:19,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-26 16:24:19,611 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 32 [2021-03-26 16:24:19,611 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 106 transitions, 1315 flow. Second operand has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 9 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:19,611 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:19,611 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 32 [2021-03-26 16:24:19,611 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:19,702 INFO L129 PetriNetUnfolder]: 70/233 cut-off events. [2021-03-26 16:24:19,702 INFO L130 PetriNetUnfolder]: For 2632/2632 co-relation queries the response was YES. [2021-03-26 16:24:19,703 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1585 conditions, 233 events. 70/233 cut-off events. For 2632/2632 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1307 event pairs, 3 based on Foata normal form. 3/236 useless extension candidates. Maximal degree in co-relation 1459. Up to 151 conditions per place. [2021-03-26 16:24:19,705 INFO L132 encePairwiseOnDemand]: 27/32 looper letters, 83 selfloop transitions, 30 changer transitions 11/128 dead transitions. [2021-03-26 16:24:19,705 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 128 transitions, 1874 flow [2021-03-26 16:24:19,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 16:24:19,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 16:24:19,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 130 transitions. [2021-03-26 16:24:19,706 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4513888888888889 [2021-03-26 16:24:19,706 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 130 transitions. [2021-03-26 16:24:19,706 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 130 transitions. [2021-03-26 16:24:19,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:19,707 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 130 transitions. [2021-03-26 16:24:19,707 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 14.444444444444445) internal successors, (130), 9 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:19,708 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 32.0) internal successors, (320), 10 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:19,708 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 32.0) internal successors, (320), 10 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:19,708 INFO L185 Difference]: Start difference. First operand has 102 places, 106 transitions, 1315 flow. Second operand 9 states and 130 transitions. [2021-03-26 16:24:19,708 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 128 transitions, 1874 flow [2021-03-26 16:24:19,731 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 128 transitions, 1731 flow, removed 64 selfloop flow, removed 3 redundant places. [2021-03-26 16:24:19,734 INFO L241 Difference]: Finished difference. Result has 111 places, 111 transitions, 1371 flow [2021-03-26 16:24:19,734 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=1186, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1371, PETRI_PLACES=111, PETRI_TRANSITIONS=111} [2021-03-26 16:24:19,734 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 96 predicate places. [2021-03-26 16:24:19,734 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:19,734 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 111 transitions, 1371 flow [2021-03-26 16:24:19,735 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 111 transitions, 1371 flow [2021-03-26 16:24:19,736 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 111 places, 111 transitions, 1371 flow [2021-03-26 16:24:19,754 INFO L129 PetriNetUnfolder]: 65/215 cut-off events. [2021-03-26 16:24:19,754 INFO L130 PetriNetUnfolder]: For 2175/2175 co-relation queries the response was YES. [2021-03-26 16:24:19,755 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1329 conditions, 215 events. 65/215 cut-off events. For 2175/2175 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1183 event pairs, 3 based on Foata normal form. 0/215 useless extension candidates. Maximal degree in co-relation 1194. Up to 47 conditions per place. [2021-03-26 16:24:19,756 INFO L142 LiptonReduction]: Number of co-enabled transitions 58 [2021-03-26 16:24:19,839 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:19,839 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 16:24:19,839 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 105 [2021-03-26 16:24:19,839 INFO L480 AbstractCegarLoop]: Abstraction has has 111 places, 111 transitions, 1378 flow [2021-03-26 16:24:19,839 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 9 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:19,840 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:19,840 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:20,055 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:24:20,056 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:20,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:20,056 INFO L82 PathProgramCache]: Analyzing trace with hash 1842757488, now seen corresponding path program 1 times [2021-03-26 16:24:20,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:20,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625273438] [2021-03-26 16:24:20,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:20,088 INFO L142 QuantifierPusher]: treesize reduction 34, result has 47.7 percent of original size [2021-03-26 16:24:20,089 INFO L147 QuantifierPusher]: treesize reduction 7, result has 77.4 percent of original size 24 [2021-03-26 16:24:20,109 INFO L142 QuantifierPusher]: treesize reduction 83, result has 42.0 percent of original size [2021-03-26 16:24:20,110 INFO L147 QuantifierPusher]: treesize reduction 7, result has 88.3 percent of original size 53 [2021-03-26 16:24:20,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:24:20,144 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-26 16:24:20,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:20,151 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:20,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625273438] [2021-03-26 16:24:20,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [485934671] [2021-03-26 16:24:20,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-26 16:24:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:20,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-26 16:24:20,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:24:20,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:20,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:20,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:20,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:20,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:20,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:20,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:20,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:20,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:20,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:20,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:20,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:20,190 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-26 16:24:20,191 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-26 16:24:20,192 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-26 16:24:20,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:24:20,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:24:20,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:24:20,207 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size [2021-03-26 16:24:20,208 INFO L147 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size 14 [2021-03-26 16:24:20,208 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-03-26 16:24:20,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:20,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:20,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:20,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:20,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:20,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:20,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:20,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:20,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:20,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:20,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:20,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:20,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:20,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:20,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:20,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:20,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:20,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:20,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:20,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:20,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:20,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:20,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:20,246 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:20,247 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:20,247 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-03-26 16:24:20,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115714] [2021-03-26 16:24:20,248 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 16:24:20,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:20,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 16:24:20,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-26 16:24:20,249 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 33 [2021-03-26 16:24:20,253 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 111 transitions, 1378 flow. Second operand has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 9 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:20,254 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:20,254 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 33 [2021-03-26 16:24:20,254 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:20,373 INFO L129 PetriNetUnfolder]: 82/262 cut-off events. [2021-03-26 16:24:20,373 INFO L130 PetriNetUnfolder]: For 2846/2846 co-relation queries the response was YES. [2021-03-26 16:24:20,375 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1860 conditions, 262 events. 82/262 cut-off events. For 2846/2846 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1514 event pairs, 3 based on Foata normal form. 3/265 useless extension candidates. Maximal degree in co-relation 1696. Up to 180 conditions per place. [2021-03-26 16:24:20,376 INFO L132 encePairwiseOnDemand]: 28/33 looper letters, 111 selfloop transitions, 30 changer transitions 3/148 dead transitions. [2021-03-26 16:24:20,376 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 148 transitions, 2216 flow [2021-03-26 16:24:20,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 16:24:20,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 16:24:20,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 133 transitions. [2021-03-26 16:24:20,378 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4478114478114478 [2021-03-26 16:24:20,378 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 133 transitions. [2021-03-26 16:24:20,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 133 transitions. [2021-03-26 16:24:20,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:20,378 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 133 transitions. [2021-03-26 16:24:20,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 14.777777777777779) internal successors, (133), 9 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) [2021-03-26 16:24:20,379 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 33.0) internal successors, (330), 10 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:20,379 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 33.0) internal successors, (330), 10 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:20,379 INFO L185 Difference]: Start difference. First operand has 111 places, 111 transitions, 1378 flow. Second operand 9 states and 133 transitions. [2021-03-26 16:24:20,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 148 transitions, 2216 flow [2021-03-26 16:24:20,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 148 transitions, 2144 flow, removed 29 selfloop flow, removed 3 redundant places. [2021-03-26 16:24:20,400 INFO L241 Difference]: Finished difference. Result has 121 places, 131 transitions, 1737 flow [2021-03-26 16:24:20,400 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=1318, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1737, PETRI_PLACES=121, PETRI_TRANSITIONS=131} [2021-03-26 16:24:20,400 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 106 predicate places. [2021-03-26 16:24:20,400 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:20,400 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 121 places, 131 transitions, 1737 flow [2021-03-26 16:24:20,401 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 121 places, 131 transitions, 1737 flow [2021-03-26 16:24:20,402 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 121 places, 131 transitions, 1737 flow [2021-03-26 16:24:20,426 INFO L129 PetriNetUnfolder]: 80/260 cut-off events. [2021-03-26 16:24:20,426 INFO L130 PetriNetUnfolder]: For 2872/2872 co-relation queries the response was YES. [2021-03-26 16:24:20,427 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1694 conditions, 260 events. 80/260 cut-off events. For 2872/2872 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1536 event pairs, 3 based on Foata normal form. 0/260 useless extension candidates. Maximal degree in co-relation 1553. Up to 57 conditions per place. [2021-03-26 16:24:20,429 INFO L142 LiptonReduction]: Number of co-enabled transitions 60 [2021-03-26 16:24:20,547 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:20,548 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 16:24:20,548 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 148 [2021-03-26 16:24:20,548 INFO L480 AbstractCegarLoop]: Abstraction has has 120 places, 130 transitions, 1734 flow [2021-03-26 16:24:20,548 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 9 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:20,548 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:20,549 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:20,763 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:24:20,764 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:20,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:20,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1204464914, now seen corresponding path program 1 times [2021-03-26 16:24:20,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:20,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586508579] [2021-03-26 16:24:20,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:20,792 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:20,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:20,797 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:20,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:20,802 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:20,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:20,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:20,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:20,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:20,818 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:20,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586508579] [2021-03-26 16:24:20,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [303735277] [2021-03-26 16:24:20,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-26 16:24:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:20,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 16:24:20,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:24:20,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:20,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:20,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:20,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:20,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:20,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:20,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:20,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:20,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:20,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:20,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:20,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:20,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:20,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:20,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:20,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:20,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:20,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:20,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:20,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:20,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:20,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:20,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:24:20,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:20,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:20,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:24:20,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:20,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:20,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:20,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:20,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:20,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:20,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:20,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:20,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:20,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:20,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:20,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:20,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:20,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:20,916 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 16:24:20,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:20,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:20,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:20,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:24:20,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:20,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:20,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:20,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:20,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:20,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:20,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:20,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:20,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:20,925 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:20,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:20,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-03-26 16:24:20,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239691833] [2021-03-26 16:24:20,926 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 16:24:20,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:20,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 16:24:20,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-03-26 16:24:20,926 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 35 [2021-03-26 16:24:20,927 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 130 transitions, 1734 flow. Second operand has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:20,927 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:20,927 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 35 [2021-03-26 16:24:20,927 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:21,249 INFO L129 PetriNetUnfolder]: 90/285 cut-off events. [2021-03-26 16:24:21,249 INFO L130 PetriNetUnfolder]: For 3519/3524 co-relation queries the response was YES. [2021-03-26 16:24:21,251 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2108 conditions, 285 events. 90/285 cut-off events. For 3519/3524 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1681 event pairs, 3 based on Foata normal form. 10/295 useless extension candidates. Maximal degree in co-relation 1953. Up to 110 conditions per place. [2021-03-26 16:24:21,253 INFO L132 encePairwiseOnDemand]: 25/35 looper letters, 80 selfloop transitions, 76 changer transitions 0/161 dead transitions. [2021-03-26 16:24:21,253 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 161 transitions, 2585 flow [2021-03-26 16:24:21,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 16:24:21,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 16:24:21,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 246 transitions. [2021-03-26 16:24:21,255 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4685714285714286 [2021-03-26 16:24:21,255 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 246 transitions. [2021-03-26 16:24:21,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 246 transitions. [2021-03-26 16:24:21,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:21,256 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 246 transitions. [2021-03-26 16:24:21,259 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 16.4) internal successors, (246), 15 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:21,260 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 35.0) internal successors, (560), 16 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:21,260 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 35.0) internal successors, (560), 16 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:21,260 INFO L185 Difference]: Start difference. First operand has 120 places, 130 transitions, 1734 flow. Second operand 15 states and 246 transitions. [2021-03-26 16:24:21,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 161 transitions, 2585 flow [2021-03-26 16:24:21,281 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 161 transitions, 2478 flow, removed 50 selfloop flow, removed 3 redundant places. [2021-03-26 16:24:21,301 INFO L241 Difference]: Finished difference. Result has 136 places, 147 transitions, 2154 flow [2021-03-26 16:24:21,301 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=1641, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2154, PETRI_PLACES=136, PETRI_TRANSITIONS=147} [2021-03-26 16:24:21,301 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 121 predicate places. [2021-03-26 16:24:21,301 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:21,301 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 136 places, 147 transitions, 2154 flow [2021-03-26 16:24:21,301 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 136 places, 147 transitions, 2154 flow [2021-03-26 16:24:21,303 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 136 places, 147 transitions, 2154 flow [2021-03-26 16:24:21,329 INFO L129 PetriNetUnfolder]: 88/285 cut-off events. [2021-03-26 16:24:21,330 INFO L130 PetriNetUnfolder]: For 3974/3974 co-relation queries the response was YES. [2021-03-26 16:24:21,331 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1991 conditions, 285 events. 88/285 cut-off events. For 3974/3974 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1712 event pairs, 2 based on Foata normal form. 0/285 useless extension candidates. Maximal degree in co-relation 1825. Up to 62 conditions per place. [2021-03-26 16:24:21,333 INFO L142 LiptonReduction]: Number of co-enabled transitions 60 [2021-03-26 16:24:21,339 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:21,340 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:24:21,340 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 39 [2021-03-26 16:24:21,340 INFO L480 AbstractCegarLoop]: Abstraction has has 136 places, 147 transitions, 2154 flow [2021-03-26 16:24:21,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:21,340 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:21,341 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:21,555 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-03-26 16:24:21,556 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:21,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:21,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1736406863, now seen corresponding path program 1 times [2021-03-26 16:24:21,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:21,556 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8305884] [2021-03-26 16:24:21,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:21,576 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:21,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:21,583 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:21,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:21,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:21,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:21,594 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:21,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8305884] [2021-03-26 16:24:21,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [550206591] [2021-03-26 16:24:21,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-26 16:24:21,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:21,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 16:24:21,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:24:21,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:21,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:21,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:21,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:21,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:21,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:21,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:21,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:21,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:21,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:21,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:21,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:21,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:21,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:21,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:21,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:21,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:21,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:21,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:21,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:21,660 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-26 16:24:21,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:24:21,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:21,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:21,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:21,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:21,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:21,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:21,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:21,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:21,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:21,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:21,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:21,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:21,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:21,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:21,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:21,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:21,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:21,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:21,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:21,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:21,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:21,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:21,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:21,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:21,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:21,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:21,685 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:21,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-03-26 16:24:21,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186596002] [2021-03-26 16:24:21,685 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 16:24:21,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:21,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 16:24:21,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-26 16:24:21,686 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 35 [2021-03-26 16:24:21,686 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 147 transitions, 2154 flow. Second operand has 8 states, 8 states have (on average 14.125) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:21,686 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:21,686 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 35 [2021-03-26 16:24:21,686 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:21,868 INFO L129 PetriNetUnfolder]: 102/382 cut-off events. [2021-03-26 16:24:21,868 INFO L130 PetriNetUnfolder]: For 5579/5584 co-relation queries the response was YES. [2021-03-26 16:24:21,870 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2865 conditions, 382 events. 102/382 cut-off events. For 5579/5584 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 2648 event pairs, 0 based on Foata normal form. 1/383 useless extension candidates. Maximal degree in co-relation 2676. Up to 120 conditions per place. [2021-03-26 16:24:21,872 INFO L132 encePairwiseOnDemand]: 27/35 looper letters, 136 selfloop transitions, 49 changer transitions 1/191 dead transitions. [2021-03-26 16:24:21,872 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 191 transitions, 3277 flow [2021-03-26 16:24:21,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 16:24:21,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 16:24:21,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 143 transitions. [2021-03-26 16:24:21,873 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45396825396825397 [2021-03-26 16:24:21,874 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 143 transitions. [2021-03-26 16:24:21,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 143 transitions. [2021-03-26 16:24:21,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:21,874 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 143 transitions. [2021-03-26 16:24:21,874 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 15.88888888888889) internal successors, (143), 9 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:21,875 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 35.0) internal successors, (350), 10 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) [2021-03-26 16:24:21,875 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 35.0) internal successors, (350), 10 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) [2021-03-26 16:24:21,875 INFO L185 Difference]: Start difference. First operand has 136 places, 147 transitions, 2154 flow. Second operand 9 states and 143 transitions. [2021-03-26 16:24:21,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 191 transitions, 3277 flow [2021-03-26 16:24:21,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 191 transitions, 3163 flow, removed 46 selfloop flow, removed 4 redundant places. [2021-03-26 16:24:21,906 INFO L241 Difference]: Finished difference. Result has 142 places, 164 transitions, 2531 flow [2021-03-26 16:24:21,906 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=2041, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2531, PETRI_PLACES=142, PETRI_TRANSITIONS=164} [2021-03-26 16:24:21,906 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 127 predicate places. [2021-03-26 16:24:21,906 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:21,907 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 142 places, 164 transitions, 2531 flow [2021-03-26 16:24:21,907 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 142 places, 164 transitions, 2531 flow [2021-03-26 16:24:21,908 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 142 places, 164 transitions, 2531 flow [2021-03-26 16:24:21,944 INFO L129 PetriNetUnfolder]: 98/373 cut-off events. [2021-03-26 16:24:21,945 INFO L130 PetriNetUnfolder]: For 6280/6280 co-relation queries the response was YES. [2021-03-26 16:24:21,946 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2701 conditions, 373 events. 98/373 cut-off events. For 6280/6280 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 2626 event pairs, 2 based on Foata normal form. 0/373 useless extension candidates. Maximal degree in co-relation 2554. Up to 80 conditions per place. [2021-03-26 16:24:21,949 INFO L142 LiptonReduction]: Number of co-enabled transitions 72 [2021-03-26 16:24:21,956 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:21,956 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:24:21,956 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 50 [2021-03-26 16:24:21,957 INFO L480 AbstractCegarLoop]: Abstraction has has 142 places, 164 transitions, 2531 flow [2021-03-26 16:24:21,957 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 14.125) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:21,957 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:21,957 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:22,181 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-03-26 16:24:22,182 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:22,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:22,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1457577691, now seen corresponding path program 8 times [2021-03-26 16:24:22,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:22,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10275392] [2021-03-26 16:24:22,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:22,193 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:22,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:22,213 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:22,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:22,219 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:22,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:22,220 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:22,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:22,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:22,228 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:22,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10275392] [2021-03-26 16:24:22,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880492906] [2021-03-26 16:24:22,228 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 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 [2021-03-26 16:24:22,258 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:24:22,258 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:24:22,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 16:24:22,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:24:22,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:22,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:22,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:22,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:22,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:22,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:22,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:22,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:22,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:22,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:22,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:22,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:22,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:22,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:22,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:22,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:22,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:22,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:22,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:22,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:22,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:22,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:22,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:22,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:22,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:22,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:22,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:22,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:22,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:22,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:22,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:22,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:22,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:22,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:22,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:22,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:22,330 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 16:24:22,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:22,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:22,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:22,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:24:22,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:22,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:22,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:22,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:22,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:22,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:22,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:22,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:22,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:22,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:22,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:22,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:22,339 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:22,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:22,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2021-03-26 16:24:22,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862639208] [2021-03-26 16:24:22,340 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 16:24:22,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:22,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 16:24:22,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-03-26 16:24:22,341 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 35 [2021-03-26 16:24:22,341 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 164 transitions, 2531 flow. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 9 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:22,341 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:22,341 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 35 [2021-03-26 16:24:22,341 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:22,569 INFO L129 PetriNetUnfolder]: 132/521 cut-off events. [2021-03-26 16:24:22,570 INFO L130 PetriNetUnfolder]: For 10383/10388 co-relation queries the response was YES. [2021-03-26 16:24:22,572 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4152 conditions, 521 events. 132/521 cut-off events. For 10383/10388 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 4048 event pairs, 4 based on Foata normal form. 13/534 useless extension candidates. Maximal degree in co-relation 3992. Up to 180 conditions per place. [2021-03-26 16:24:22,576 INFO L132 encePairwiseOnDemand]: 28/35 looper letters, 130 selfloop transitions, 87 changer transitions 2/224 dead transitions. [2021-03-26 16:24:22,576 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 224 transitions, 4159 flow [2021-03-26 16:24:22,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 16:24:22,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 16:24:22,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 180 transitions. [2021-03-26 16:24:22,577 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4675324675324675 [2021-03-26 16:24:22,577 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 180 transitions. [2021-03-26 16:24:22,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 180 transitions. [2021-03-26 16:24:22,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:22,577 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 180 transitions. [2021-03-26 16:24:22,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 16.363636363636363) internal successors, (180), 11 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:22,578 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 35.0) internal successors, (420), 12 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:22,578 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 35.0) internal successors, (420), 12 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:22,578 INFO L185 Difference]: Start difference. First operand has 142 places, 164 transitions, 2531 flow. Second operand 11 states and 180 transitions. [2021-03-26 16:24:22,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 224 transitions, 4159 flow [2021-03-26 16:24:22,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 224 transitions, 3867 flow, removed 125 selfloop flow, removed 3 redundant places. [2021-03-26 16:24:22,642 INFO L241 Difference]: Finished difference. Result has 153 places, 195 transitions, 3301 flow [2021-03-26 16:24:22,642 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=2389, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=3301, PETRI_PLACES=153, PETRI_TRANSITIONS=195} [2021-03-26 16:24:22,642 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 138 predicate places. [2021-03-26 16:24:22,642 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:22,643 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 195 transitions, 3301 flow [2021-03-26 16:24:22,643 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 153 places, 195 transitions, 3301 flow [2021-03-26 16:24:22,644 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 153 places, 195 transitions, 3301 flow [2021-03-26 16:24:22,694 INFO L129 PetriNetUnfolder]: 125/509 cut-off events. [2021-03-26 16:24:22,694 INFO L130 PetriNetUnfolder]: For 8259/8267 co-relation queries the response was YES. [2021-03-26 16:24:22,696 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3758 conditions, 509 events. 125/509 cut-off events. For 8259/8267 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 4010 event pairs, 5 based on Foata normal form. 0/507 useless extension candidates. Maximal degree in co-relation 3604. Up to 119 conditions per place. [2021-03-26 16:24:22,700 INFO L142 LiptonReduction]: Number of co-enabled transitions 100 [2021-03-26 16:24:22,710 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:22,710 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:24:22,710 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 68 [2021-03-26 16:24:22,711 INFO L480 AbstractCegarLoop]: Abstraction has has 153 places, 195 transitions, 3301 flow [2021-03-26 16:24:22,711 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 9 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:22,711 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:22,711 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:22,924 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-03-26 16:24:22,924 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:22,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:22,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1231990916, now seen corresponding path program 1 times [2021-03-26 16:24:22,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:22,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763780733] [2021-03-26 16:24:22,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:22,961 INFO L142 QuantifierPusher]: treesize reduction 38, result has 44.9 percent of original size [2021-03-26 16:24:22,962 INFO L147 QuantifierPusher]: treesize reduction 7, result has 77.4 percent of original size 24 [2021-03-26 16:24:22,980 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-03-26 16:24:22,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 16:24:22,991 INFO L142 QuantifierPusher]: treesize reduction 38, result has 60.8 percent of original size [2021-03-26 16:24:22,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 16:24:23,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:24:23,041 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-26 16:24:23,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:23,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:23,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763780733] [2021-03-26 16:24:23,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [896360035] [2021-03-26 16:24:23,051 INFO L95 rtionOrderModulation]: Keeping assertion order 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) [2021-03-26 16:24:23,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:23,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 17 conjunts are in the unsatisfiable core [2021-03-26 16:24:23,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:24:23,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:23,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:23,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:23,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:24:23,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:23,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:23,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:23,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:23,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:23,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:23,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:23,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:23,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:24:23,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:23,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:23,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:23,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,116 INFO L147 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size 18 [2021-03-26 16:24:23,117 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-03-26 16:24:23,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:24:23,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:24:23,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:24:23,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:24:23,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:24:23,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:24:23,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:24:23,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:23,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:23,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:23,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:23,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:23,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:23,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:23,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:23,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:23,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:23,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:23,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:23,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:23,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:23,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:23,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:23,149 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:23,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:23,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2021-03-26 16:24:23,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085381322] [2021-03-26 16:24:23,150 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 16:24:23,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:23,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 16:24:23,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-03-26 16:24:23,151 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 35 [2021-03-26 16:24:23,151 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 195 transitions, 3301 flow. Second operand has 10 states, 10 states have (on average 11.2) internal successors, (112), 10 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:23,151 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:23,151 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 35 [2021-03-26 16:24:23,151 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:23,475 INFO L129 PetriNetUnfolder]: 127/545 cut-off events. [2021-03-26 16:24:23,475 INFO L130 PetriNetUnfolder]: For 9227/9227 co-relation queries the response was YES. [2021-03-26 16:24:23,478 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4392 conditions, 545 events. 127/545 cut-off events. For 9227/9227 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 4409 event pairs, 1 based on Foata normal form. 2/547 useless extension candidates. Maximal degree in co-relation 4225. Up to 279 conditions per place. [2021-03-26 16:24:23,483 INFO L132 encePairwiseOnDemand]: 29/35 looper letters, 147 selfloop transitions, 59 changer transitions 3/213 dead transitions. [2021-03-26 16:24:23,483 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 213 transitions, 4065 flow [2021-03-26 16:24:23,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 16:24:23,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 16:24:23,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 120 transitions. [2021-03-26 16:24:23,484 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.38095238095238093 [2021-03-26 16:24:23,484 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 120 transitions. [2021-03-26 16:24:23,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 120 transitions. [2021-03-26 16:24:23,484 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:23,484 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 120 transitions. [2021-03-26 16:24:23,484 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 13.333333333333334) internal successors, (120), 9 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:23,485 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 35.0) internal successors, (350), 10 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) [2021-03-26 16:24:23,485 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 35.0) internal successors, (350), 10 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) [2021-03-26 16:24:23,485 INFO L185 Difference]: Start difference. First operand has 153 places, 195 transitions, 3301 flow. Second operand 9 states and 120 transitions. [2021-03-26 16:24:23,485 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 213 transitions, 4065 flow [2021-03-26 16:24:23,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 213 transitions, 3964 flow, removed 39 selfloop flow, removed 5 redundant places. [2021-03-26 16:24:23,536 INFO L241 Difference]: Finished difference. Result has 160 places, 207 transitions, 3649 flow [2021-03-26 16:24:23,536 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=3228, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3649, PETRI_PLACES=160, PETRI_TRANSITIONS=207} [2021-03-26 16:24:23,536 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 145 predicate places. [2021-03-26 16:24:23,536 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:23,536 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 160 places, 207 transitions, 3649 flow [2021-03-26 16:24:23,536 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 160 places, 207 transitions, 3649 flow [2021-03-26 16:24:23,538 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 160 places, 207 transitions, 3649 flow [2021-03-26 16:24:23,595 INFO L129 PetriNetUnfolder]: 123/526 cut-off events. [2021-03-26 16:24:23,595 INFO L130 PetriNetUnfolder]: For 10052/10058 co-relation queries the response was YES. [2021-03-26 16:24:23,598 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4080 conditions, 526 events. 123/526 cut-off events. For 10052/10058 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 4214 event pairs, 5 based on Foata normal form. 0/524 useless extension candidates. Maximal degree in co-relation 3921. Up to 117 conditions per place. [2021-03-26 16:24:23,602 INFO L142 LiptonReduction]: Number of co-enabled transitions 96 [2021-03-26 16:24:23,675 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:23,676 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 16:24:23,676 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 140 [2021-03-26 16:24:23,677 INFO L480 AbstractCegarLoop]: Abstraction has has 160 places, 207 transitions, 3658 flow [2021-03-26 16:24:23,677 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 11.2) internal successors, (112), 10 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:23,677 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:23,677 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:23,899 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:24:23,899 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:23,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:23,899 INFO L82 PathProgramCache]: Analyzing trace with hash 348181319, now seen corresponding path program 1 times [2021-03-26 16:24:23,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:23,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217010562] [2021-03-26 16:24:23,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:23,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:23,920 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:23,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:23,926 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:23,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:23,932 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:23,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:23,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:23,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:23,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:23,950 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:23,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217010562] [2021-03-26 16:24:23,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224103807] [2021-03-26 16:24:23,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-26 16:24:23,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:23,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 16:24:23,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:24:23,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:23,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:23,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:23,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:23,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:24,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:24,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:24,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:24,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:24,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:24,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:24,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:24,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:24,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:24,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:24,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:24,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:24,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:24,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:24,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:24,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:24,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:24,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:24,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:24,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:24,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:24,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:24,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:24,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:24,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:24,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:24,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:24,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:24,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:24,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:24,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:24,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:24,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:24,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:24,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:24,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:24,061 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 16:24:24,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:24,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:24,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:24,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:24:24,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:24,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:24,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:24,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:24,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:24,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:24,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:24,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:24,069 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:24,069 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:24,069 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-03-26 16:24:24,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196386853] [2021-03-26 16:24:24,070 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 16:24:24,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:24,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 16:24:24,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-03-26 16:24:24,071 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 36 [2021-03-26 16:24:24,071 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 207 transitions, 3658 flow. Second operand has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:24,071 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:24,071 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 36 [2021-03-26 16:24:24,071 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:24,296 INFO L129 PetriNetUnfolder]: 134/549 cut-off events. [2021-03-26 16:24:24,296 INFO L130 PetriNetUnfolder]: For 10930/10935 co-relation queries the response was YES. [2021-03-26 16:24:24,299 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4655 conditions, 549 events. 134/549 cut-off events. For 10930/10935 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 4360 event pairs, 6 based on Foata normal form. 8/557 useless extension candidates. Maximal degree in co-relation 4441. Up to 341 conditions per place. [2021-03-26 16:24:24,302 INFO L132 encePairwiseOnDemand]: 29/36 looper letters, 190 selfloop transitions, 28 changer transitions 1/224 dead transitions. [2021-03-26 16:24:24,303 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 224 transitions, 4407 flow [2021-03-26 16:24:24,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 16:24:24,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 16:24:24,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 149 transitions. [2021-03-26 16:24:24,304 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45987654320987653 [2021-03-26 16:24:24,304 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 149 transitions. [2021-03-26 16:24:24,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 149 transitions. [2021-03-26 16:24:24,304 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:24,304 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 149 transitions. [2021-03-26 16:24:24,304 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 16.555555555555557) internal successors, (149), 9 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:24,305 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 36.0) internal successors, (360), 10 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:24,305 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 36.0) internal successors, (360), 10 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:24,305 INFO L185 Difference]: Start difference. First operand has 160 places, 207 transitions, 3658 flow. Second operand 9 states and 149 transitions. [2021-03-26 16:24:24,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 224 transitions, 4407 flow [2021-03-26 16:24:24,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 224 transitions, 4336 flow, removed 29 selfloop flow, removed 4 redundant places. [2021-03-26 16:24:24,371 INFO L241 Difference]: Finished difference. Result has 166 places, 216 transitions, 3830 flow [2021-03-26 16:24:24,371 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=3587, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3830, PETRI_PLACES=166, PETRI_TRANSITIONS=216} [2021-03-26 16:24:24,371 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 151 predicate places. [2021-03-26 16:24:24,371 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:24,371 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 166 places, 216 transitions, 3830 flow [2021-03-26 16:24:24,372 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 166 places, 216 transitions, 3830 flow [2021-03-26 16:24:24,374 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 166 places, 216 transitions, 3830 flow [2021-03-26 16:24:24,430 INFO L129 PetriNetUnfolder]: 131/542 cut-off events. [2021-03-26 16:24:24,430 INFO L130 PetriNetUnfolder]: For 11352/11358 co-relation queries the response was YES. [2021-03-26 16:24:24,432 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4269 conditions, 542 events. 131/542 cut-off events. For 11352/11358 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 4340 event pairs, 5 based on Foata normal form. 0/540 useless extension candidates. Maximal degree in co-relation 4068. Up to 114 conditions per place. [2021-03-26 16:24:24,435 INFO L142 LiptonReduction]: Number of co-enabled transitions 96 [2021-03-26 16:24:24,441 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:24,442 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:24:24,442 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 71 [2021-03-26 16:24:24,442 INFO L480 AbstractCegarLoop]: Abstraction has has 166 places, 216 transitions, 3830 flow [2021-03-26 16:24:24,442 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:24,442 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:24,442 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:24,643 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:24:24,644 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:24,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:24,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1568400211, now seen corresponding path program 9 times [2021-03-26 16:24:24,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:24,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86789042] [2021-03-26 16:24:24,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:24,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:24,654 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:24,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:24,658 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:24,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:24,663 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:24,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:24,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:24,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:24,668 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 16:24:24,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86789042] [2021-03-26 16:24:24,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743507360] [2021-03-26 16:24:24,668 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 [2021-03-26 16:24:24,681 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-26 16:24:24,681 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:24:24,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 16:24:24,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:24:24,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:24,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:24,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:24,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:24,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:24,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:24,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:24,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:24,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:24,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:24,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:24,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:24,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:24,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:24,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:24,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:24,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:24,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:24,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:24,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:24,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:24,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:24,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:24,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:24,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:24,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:24,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:24,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:24,742 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-26 16:24:24,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:24:24,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:24,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:24,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:24,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:24,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:24,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:24,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:24,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:24:24,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:24,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:24,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:24,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:24:24,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:24:24,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:24,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:24,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:24,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:24,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:24,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:24,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:24,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:24,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:24,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:24,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:24,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:24,767 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:24,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:24,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2021-03-26 16:24:24,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586211480] [2021-03-26 16:24:24,768 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 16:24:24,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:24,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 16:24:24,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-26 16:24:24,768 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 36 [2021-03-26 16:24:24,768 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 216 transitions, 3830 flow. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 9 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:24,768 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:24,768 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 36 [2021-03-26 16:24:24,769 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:25,049 INFO L129 PetriNetUnfolder]: 129/551 cut-off events. [2021-03-26 16:24:25,049 INFO L130 PetriNetUnfolder]: For 11876/11876 co-relation queries the response was YES. [2021-03-26 16:24:25,052 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4691 conditions, 551 events. 129/551 cut-off events. For 11876/11876 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 4439 event pairs, 0 based on Foata normal form. 6/557 useless extension candidates. Maximal degree in co-relation 4473. Up to 126 conditions per place. [2021-03-26 16:24:25,055 INFO L132 encePairwiseOnDemand]: 28/36 looper letters, 154 selfloop transitions, 88 changer transitions 4/251 dead transitions. [2021-03-26 16:24:25,055 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 251 transitions, 5053 flow [2021-03-26 16:24:25,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 16:24:25,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 16:24:25,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 222 transitions. [2021-03-26 16:24:25,056 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44047619047619047 [2021-03-26 16:24:25,057 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 222 transitions. [2021-03-26 16:24:25,057 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 222 transitions. [2021-03-26 16:24:25,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:25,057 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 222 transitions. [2021-03-26 16:24:25,057 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 15.857142857142858) internal successors, (222), 14 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:25,058 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 36.0) internal successors, (540), 15 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:25,058 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 36.0) internal successors, (540), 15 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:25,059 INFO L185 Difference]: Start difference. First operand has 166 places, 216 transitions, 3830 flow. Second operand 14 states and 222 transitions. [2021-03-26 16:24:25,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 251 transitions, 5053 flow [2021-03-26 16:24:25,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 251 transitions, 4996 flow, removed 17 selfloop flow, removed 6 redundant places. [2021-03-26 16:24:25,116 INFO L241 Difference]: Finished difference. Result has 176 places, 224 transitions, 4280 flow [2021-03-26 16:24:25,117 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=3652, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=4280, PETRI_PLACES=176, PETRI_TRANSITIONS=224} [2021-03-26 16:24:25,117 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 161 predicate places. [2021-03-26 16:24:25,117 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:25,117 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 176 places, 224 transitions, 4280 flow [2021-03-26 16:24:25,117 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 176 places, 224 transitions, 4280 flow [2021-03-26 16:24:25,119 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 175 places, 224 transitions, 4280 flow [2021-03-26 16:24:25,176 INFO L129 PetriNetUnfolder]: 127/539 cut-off events. [2021-03-26 16:24:25,176 INFO L130 PetriNetUnfolder]: For 12895/12895 co-relation queries the response was YES. [2021-03-26 16:24:25,179 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4475 conditions, 539 events. 127/539 cut-off events. For 12895/12895 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 4341 event pairs, 3 based on Foata normal form. 0/539 useless extension candidates. Maximal degree in co-relation 4268. Up to 105 conditions per place. [2021-03-26 16:24:25,183 INFO L142 LiptonReduction]: Number of co-enabled transitions 94 [2021-03-26 16:24:25,193 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:25,194 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:24:25,194 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 77 [2021-03-26 16:24:25,194 INFO L480 AbstractCegarLoop]: Abstraction has has 175 places, 224 transitions, 4280 flow [2021-03-26 16:24:25,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 9 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:25,194 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:25,195 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:25,417 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:24:25,417 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:25,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:25,417 INFO L82 PathProgramCache]: Analyzing trace with hash 741305703, now seen corresponding path program 1 times [2021-03-26 16:24:25,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:25,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389646122] [2021-03-26 16:24:25,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:25,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:25,428 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:25,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:25,433 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:25,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:25,438 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:25,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:25,438 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:25,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:25,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:25,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:25,448 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:25,448 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389646122] [2021-03-26 16:24:25,448 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760334014] [2021-03-26 16:24:25,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:24:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:25,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 16:24:25,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:24:25,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:25,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:25,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:25,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:25,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:25,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:25,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:25,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:25,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:25,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:25,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:25,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:25,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:25,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:25,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:25,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:25,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:25,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:25,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:25,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:25,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:25,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:25,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:25,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:25,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:25,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:25,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:25,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:25,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:25,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:25,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:25,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:25,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:25,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:25,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:25,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:25,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:25,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:25,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:25,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:25,528 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 16:24:25,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:25,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:25,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:25,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:24:25,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:25,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:25,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:25,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:25,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:25,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:25,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:25,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:25,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:25,539 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:25,539 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:25,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-26 16:24:25,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273181774] [2021-03-26 16:24:25,540 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 16:24:25,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:25,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 16:24:25,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-03-26 16:24:25,540 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 36 [2021-03-26 16:24:25,541 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 224 transitions, 4280 flow. Second operand has 10 states, 10 states have (on average 14.2) internal successors, (142), 10 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:25,541 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:25,541 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 36 [2021-03-26 16:24:25,541 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:25,756 INFO L129 PetriNetUnfolder]: 135/574 cut-off events. [2021-03-26 16:24:25,756 INFO L130 PetriNetUnfolder]: For 14413/14413 co-relation queries the response was YES. [2021-03-26 16:24:25,758 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5169 conditions, 574 events. 135/574 cut-off events. For 14413/14413 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 4661 event pairs, 6 based on Foata normal form. 2/576 useless extension candidates. Maximal degree in co-relation 4945. Up to 300 conditions per place. [2021-03-26 16:24:25,761 INFO L132 encePairwiseOnDemand]: 28/36 looper letters, 194 selfloop transitions, 42 changer transitions 0/241 dead transitions. [2021-03-26 16:24:25,761 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 241 transitions, 5107 flow [2021-03-26 16:24:25,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 16:24:25,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 16:24:25,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 135 transitions. [2021-03-26 16:24:25,762 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46875 [2021-03-26 16:24:25,762 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 135 transitions. [2021-03-26 16:24:25,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 135 transitions. [2021-03-26 16:24:25,762 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:25,762 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 135 transitions. [2021-03-26 16:24:25,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 16.875) internal successors, (135), 8 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:25,763 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 36.0) internal successors, (324), 9 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:25,763 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 36.0) internal successors, (324), 9 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:25,763 INFO L185 Difference]: Start difference. First operand has 175 places, 224 transitions, 4280 flow. Second operand 8 states and 135 transitions. [2021-03-26 16:24:25,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 241 transitions, 5107 flow [2021-03-26 16:24:25,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 241 transitions, 4931 flow, removed 77 selfloop flow, removed 5 redundant places. [2021-03-26 16:24:25,825 INFO L241 Difference]: Finished difference. Result has 178 places, 227 transitions, 4271 flow [2021-03-26 16:24:25,826 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=4054, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4271, PETRI_PLACES=178, PETRI_TRANSITIONS=227} [2021-03-26 16:24:25,826 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 163 predicate places. [2021-03-26 16:24:25,826 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:25,826 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 178 places, 227 transitions, 4271 flow [2021-03-26 16:24:25,826 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 178 places, 227 transitions, 4271 flow [2021-03-26 16:24:25,828 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 178 places, 227 transitions, 4271 flow [2021-03-26 16:24:25,895 INFO L129 PetriNetUnfolder]: 133/573 cut-off events. [2021-03-26 16:24:25,895 INFO L130 PetriNetUnfolder]: For 12190/12190 co-relation queries the response was YES. [2021-03-26 16:24:25,897 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4587 conditions, 573 events. 133/573 cut-off events. For 12190/12190 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 4731 event pairs, 6 based on Foata normal form. 0/573 useless extension candidates. Maximal degree in co-relation 4378. Up to 113 conditions per place. [2021-03-26 16:24:25,901 INFO L142 LiptonReduction]: Number of co-enabled transitions 98 [2021-03-26 16:24:25,908 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:25,908 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:24:25,908 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 82 [2021-03-26 16:24:25,909 INFO L480 AbstractCegarLoop]: Abstraction has has 178 places, 227 transitions, 4271 flow [2021-03-26 16:24:25,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 14.2) internal successors, (142), 10 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:25,909 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:25,910 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:26,110 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-03-26 16:24:26,110 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:26,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:26,111 INFO L82 PathProgramCache]: Analyzing trace with hash 657265292, now seen corresponding path program 1 times [2021-03-26 16:24:26,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:26,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090726986] [2021-03-26 16:24:26,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:26,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:26,131 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:26,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:26,137 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:26,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:26,143 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:26,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:26,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:26,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:26,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:26,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090726986] [2021-03-26 16:24:26,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924176598] [2021-03-26 16:24:26,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:24:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:26,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 16:24:26,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:24:26,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:26,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:26,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:26,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:26,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:26,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:26,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:26,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:26,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:26,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:26,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:26,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:26,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:26,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:26,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:26,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:26,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:26,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:26,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:26,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:26,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:26,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:26,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:26,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:26,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:26,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:26,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:26,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:26,222 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-26 16:24:26,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:24:26,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:26,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:26,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:26,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:26,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:26,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:26,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:26,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:24:26,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:26,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:26,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:26,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:24:26,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:24:26,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:26,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:26,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:26,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:26,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:26,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:26,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:26,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:26,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:26,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:26,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:26,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:26,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:26,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2021-03-26 16:24:26,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75138943] [2021-03-26 16:24:26,261 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 16:24:26,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:26,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 16:24:26,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-26 16:24:26,262 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 36 [2021-03-26 16:24:26,262 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 227 transitions, 4271 flow. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 9 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:26,262 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:26,262 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 36 [2021-03-26 16:24:26,263 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:26,527 INFO L129 PetriNetUnfolder]: 134/583 cut-off events. [2021-03-26 16:24:26,527 INFO L130 PetriNetUnfolder]: For 12806/12806 co-relation queries the response was YES. [2021-03-26 16:24:26,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5103 conditions, 583 events. 134/583 cut-off events. For 12806/12806 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 4820 event pairs, 0 based on Foata normal form. 1/584 useless extension candidates. Maximal degree in co-relation 4877. Up to 187 conditions per place. [2021-03-26 16:24:26,532 INFO L132 encePairwiseOnDemand]: 28/36 looper letters, 188 selfloop transitions, 46 changer transitions 2/241 dead transitions. [2021-03-26 16:24:26,532 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 241 transitions, 5058 flow [2021-03-26 16:24:26,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 16:24:26,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 16:24:26,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 170 transitions. [2021-03-26 16:24:26,533 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4292929292929293 [2021-03-26 16:24:26,533 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 170 transitions. [2021-03-26 16:24:26,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 170 transitions. [2021-03-26 16:24:26,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:26,533 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 170 transitions. [2021-03-26 16:24:26,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 15.454545454545455) internal successors, (170), 11 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:26,534 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 36.0) internal successors, (432), 12 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:26,534 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 36.0) internal successors, (432), 12 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:26,534 INFO L185 Difference]: Start difference. First operand has 178 places, 227 transitions, 4271 flow. Second operand 11 states and 170 transitions. [2021-03-26 16:24:26,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 241 transitions, 5058 flow [2021-03-26 16:24:26,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 241 transitions, 4975 flow, removed 19 selfloop flow, removed 4 redundant places. [2021-03-26 16:24:26,611 INFO L241 Difference]: Finished difference. Result has 184 places, 227 transitions, 4274 flow [2021-03-26 16:24:26,611 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=4170, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=4274, PETRI_PLACES=184, PETRI_TRANSITIONS=227} [2021-03-26 16:24:26,611 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 169 predicate places. [2021-03-26 16:24:26,611 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:26,611 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 184 places, 227 transitions, 4274 flow [2021-03-26 16:24:26,612 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 184 places, 227 transitions, 4274 flow [2021-03-26 16:24:26,614 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 182 places, 227 transitions, 4274 flow [2021-03-26 16:24:26,677 INFO L129 PetriNetUnfolder]: 132/583 cut-off events. [2021-03-26 16:24:26,678 INFO L130 PetriNetUnfolder]: For 13273/13273 co-relation queries the response was YES. [2021-03-26 16:24:26,681 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4730 conditions, 583 events. 132/583 cut-off events. For 13273/13273 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 4854 event pairs, 5 based on Foata normal form. 0/583 useless extension candidates. Maximal degree in co-relation 4481. Up to 110 conditions per place. [2021-03-26 16:24:26,685 INFO L142 LiptonReduction]: Number of co-enabled transitions 94 [2021-03-26 16:24:26,696 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:26,696 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:24:26,696 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 85 [2021-03-26 16:24:26,696 INFO L480 AbstractCegarLoop]: Abstraction has has 182 places, 227 transitions, 4274 flow [2021-03-26 16:24:26,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 9 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:26,697 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:26,697 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:26,911 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-03-26 16:24:26,912 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:26,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:26,912 INFO L82 PathProgramCache]: Analyzing trace with hash 629589453, now seen corresponding path program 2 times [2021-03-26 16:24:26,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:26,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249266460] [2021-03-26 16:24:26,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:26,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:26,926 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:26,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:26,930 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:26,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:26,935 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:26,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:26,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:26,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:26,939 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 16:24:26,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249266460] [2021-03-26 16:24:26,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [456469951] [2021-03-26 16:24:26,939 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:24:26,955 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:24:26,955 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:24:26,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 16:24:26,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:24:26,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:26,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:26,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:26,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:26,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:26,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:26,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:26,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:26,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:26,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:26,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:26,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:26,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:26,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:26,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:26,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:26,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:26,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:26,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:26,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:26,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:26,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:26,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:26,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:26,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:26,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:26,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:26,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:26,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:27,002 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-26 16:24:27,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:24:27,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:27,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:27,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:27,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:27,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:27,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:27,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:27,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:24:27,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:27,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:27,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:27,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:24:27,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:24:27,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:27,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:27,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:27,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:27,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:27,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:27,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:27,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:27,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:27,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:27,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:27,022 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:27,023 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:27,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2021-03-26 16:24:27,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068104155] [2021-03-26 16:24:27,023 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 16:24:27,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:27,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 16:24:27,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-26 16:24:27,024 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 36 [2021-03-26 16:24:27,024 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 227 transitions, 4274 flow. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 9 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:27,024 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:27,024 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 36 [2021-03-26 16:24:27,024 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:27,316 INFO L129 PetriNetUnfolder]: 133/595 cut-off events. [2021-03-26 16:24:27,316 INFO L130 PetriNetUnfolder]: For 13537/13542 co-relation queries the response was YES. [2021-03-26 16:24:27,319 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5203 conditions, 595 events. 133/595 cut-off events. For 13537/13542 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 4986 event pairs, 0 based on Foata normal form. 1/596 useless extension candidates. Maximal degree in co-relation 4974. Up to 168 conditions per place. [2021-03-26 16:24:27,322 INFO L132 encePairwiseOnDemand]: 27/36 looper letters, 187 selfloop transitions, 63 changer transitions 1/256 dead transitions. [2021-03-26 16:24:27,322 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 256 transitions, 5450 flow [2021-03-26 16:24:27,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 16:24:27,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 16:24:27,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 218 transitions. [2021-03-26 16:24:27,323 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43253968253968256 [2021-03-26 16:24:27,324 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 218 transitions. [2021-03-26 16:24:27,324 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 218 transitions. [2021-03-26 16:24:27,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:27,324 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 218 transitions. [2021-03-26 16:24:27,324 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 15.571428571428571) internal successors, (218), 14 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:27,325 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 36.0) internal successors, (540), 15 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:27,325 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 36.0) internal successors, (540), 15 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:27,325 INFO L185 Difference]: Start difference. First operand has 182 places, 227 transitions, 4274 flow. Second operand 14 states and 218 transitions. [2021-03-26 16:24:27,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 256 transitions, 5450 flow [2021-03-26 16:24:27,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 256 transitions, 5388 flow, removed 10 selfloop flow, removed 2 redundant places. [2021-03-26 16:24:27,390 INFO L241 Difference]: Finished difference. Result has 194 places, 227 transitions, 4390 flow [2021-03-26 16:24:27,390 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=4209, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=4390, PETRI_PLACES=194, PETRI_TRANSITIONS=227} [2021-03-26 16:24:27,390 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 179 predicate places. [2021-03-26 16:24:27,390 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:27,390 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 194 places, 227 transitions, 4390 flow [2021-03-26 16:24:27,390 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 194 places, 227 transitions, 4390 flow [2021-03-26 16:24:27,392 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 193 places, 227 transitions, 4390 flow [2021-03-26 16:24:27,450 INFO L129 PetriNetUnfolder]: 131/582 cut-off events. [2021-03-26 16:24:27,450 INFO L130 PetriNetUnfolder]: For 13675/13675 co-relation queries the response was YES. [2021-03-26 16:24:27,453 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4880 conditions, 582 events. 131/582 cut-off events. For 13675/13675 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 4892 event pairs, 6 based on Foata normal form. 0/582 useless extension candidates. Maximal degree in co-relation 4629. Up to 112 conditions per place. [2021-03-26 16:24:27,458 INFO L142 LiptonReduction]: Number of co-enabled transitions 94 [2021-03-26 16:24:27,519 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 16:24:27,520 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 16:24:27,520 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 130 [2021-03-26 16:24:27,520 INFO L480 AbstractCegarLoop]: Abstraction has has 192 places, 226 transitions, 4376 flow [2021-03-26 16:24:27,520 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 9 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:27,520 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:27,520 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:27,721 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-03-26 16:24:27,721 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:27,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:27,721 INFO L82 PathProgramCache]: Analyzing trace with hash -708931035, now seen corresponding path program 10 times [2021-03-26 16:24:27,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:27,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604624097] [2021-03-26 16:24:27,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:27,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:27,730 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:27,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:27,738 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:27,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:27,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:27,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:27,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:27,750 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:27,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604624097] [2021-03-26 16:24:27,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2090719927] [2021-03-26 16:24:27,750 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 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 [2021-03-26 16:24:27,767 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-26 16:24:27,767 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:24:27,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 16:24:27,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:24:27,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:27,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:27,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:27,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:27,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:27,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:27,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:27,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:27,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:27,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:27,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:27,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:27,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:27,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:27,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:27,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:27,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:27,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:27,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:27,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:27,799 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-26 16:24:27,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:24:27,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:27,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:27,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:27,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:27,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:27,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:27,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:27,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:27,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:27,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:27,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:27,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:27,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:27,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:27,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:27,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:24:27,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:27,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:27,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:27,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:24:27,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:24:27,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:27,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:27,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:27,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:27,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:27,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:27,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:27,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:27,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:27,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:27,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:27,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:27,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:27,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:27,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-26 16:24:27,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360020816] [2021-03-26 16:24:27,839 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 16:24:27,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:27,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 16:24:27,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-03-26 16:24:27,840 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 37 [2021-03-26 16:24:27,840 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 226 transitions, 4376 flow. Second operand has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:27,840 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:27,840 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 37 [2021-03-26 16:24:27,840 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:28,109 INFO L129 PetriNetUnfolder]: 139/619 cut-off events. [2021-03-26 16:24:28,109 INFO L130 PetriNetUnfolder]: For 14920/14925 co-relation queries the response was YES. [2021-03-26 16:24:28,111 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5594 conditions, 619 events. 139/619 cut-off events. For 14920/14925 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 5219 event pairs, 0 based on Foata normal form. 4/623 useless extension candidates. Maximal degree in co-relation 5364. Up to 165 conditions per place. [2021-03-26 16:24:28,115 INFO L132 encePairwiseOnDemand]: 28/37 looper letters, 165 selfloop transitions, 86 changer transitions 7/263 dead transitions. [2021-03-26 16:24:28,115 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 263 transitions, 5669 flow [2021-03-26 16:24:28,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 16:24:28,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 16:24:28,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 251 transitions. [2021-03-26 16:24:28,116 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4239864864864865 [2021-03-26 16:24:28,116 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 251 transitions. [2021-03-26 16:24:28,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 251 transitions. [2021-03-26 16:24:28,116 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:28,117 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 251 transitions. [2021-03-26 16:24:28,117 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 15.6875) internal successors, (251), 16 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:28,118 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 37.0) internal successors, (629), 17 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:28,118 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 37.0) internal successors, (629), 17 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:28,118 INFO L185 Difference]: Start difference. First operand has 192 places, 226 transitions, 4376 flow. Second operand 16 states and 251 transitions. [2021-03-26 16:24:28,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 263 transitions, 5669 flow [2021-03-26 16:24:28,183 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 263 transitions, 5517 flow, removed 28 selfloop flow, removed 6 redundant places. [2021-03-26 16:24:28,187 INFO L241 Difference]: Finished difference. Result has 206 places, 235 transitions, 4738 flow [2021-03-26 16:24:28,188 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=4145, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=4738, PETRI_PLACES=206, PETRI_TRANSITIONS=235} [2021-03-26 16:24:28,188 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 191 predicate places. [2021-03-26 16:24:28,188 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:28,188 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 206 places, 235 transitions, 4738 flow [2021-03-26 16:24:28,188 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 206 places, 235 transitions, 4738 flow [2021-03-26 16:24:28,191 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 203 places, 235 transitions, 4738 flow [2021-03-26 16:24:28,265 INFO L129 PetriNetUnfolder]: 135/605 cut-off events. [2021-03-26 16:24:28,265 INFO L130 PetriNetUnfolder]: For 14540/14540 co-relation queries the response was YES. [2021-03-26 16:24:28,295 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5268 conditions, 605 events. 135/605 cut-off events. For 14540/14540 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 5169 event pairs, 6 based on Foata normal form. 0/605 useless extension candidates. Maximal degree in co-relation 5045. Up to 127 conditions per place. [2021-03-26 16:24:28,300 INFO L142 LiptonReduction]: Number of co-enabled transitions 94 [2021-03-26 16:24:28,374 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:28,374 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 16:24:28,374 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 186 [2021-03-26 16:24:28,375 INFO L480 AbstractCegarLoop]: Abstraction has has 203 places, 235 transitions, 4749 flow [2021-03-26 16:24:28,375 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:28,375 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:28,375 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:28,592 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-03-26 16:24:28,592 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:28,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:28,592 INFO L82 PathProgramCache]: Analyzing trace with hash 1962904990, now seen corresponding path program 1 times [2021-03-26 16:24:28,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:28,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269952504] [2021-03-26 16:24:28,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:28,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:28,629 INFO L142 QuantifierPusher]: treesize reduction 35, result has 47.0 percent of original size [2021-03-26 16:24:28,630 INFO L147 QuantifierPusher]: treesize reduction 7, result has 77.4 percent of original size 24 [2021-03-26 16:24:28,650 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 16:24:28,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:28,658 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.5 percent of original size [2021-03-26 16:24:28,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 16:24:28,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:24:28,677 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 16:24:28,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:28,686 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-26 16:24:28,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:28,696 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:28,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269952504] [2021-03-26 16:24:28,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228771465] [2021-03-26 16:24:28,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-26 16:24:28,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:28,720 WARN L261 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 23 conjunts are in the unsatisfiable core [2021-03-26 16:24:28,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:24:28,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:24:28,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:28,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:28,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:28,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:28,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:28,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:28,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:28,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,740 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-03-26 16:24:28,741 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-03-26 16:24:28,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:28,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:28,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:28,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,755 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-03-26 16:24:28,755 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-03-26 16:24:28,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:24:28,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:24:28,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:24:28,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:24:28,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:24:28,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:24:28,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:24:28,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:24:28,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:24:28,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:24:28,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:24:28,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,779 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size 29 [2021-03-26 16:24:28,780 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-03-26 16:24:28,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:28,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:24:28,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 16:24:28,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:28,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:24:28,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 16:24:28,788 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-26 16:24:28,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-26 16:24:28,790 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-26 16:24:28,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 8 [2021-03-26 16:24:28,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:28,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 16:24:28,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:28,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:28,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 16:24:28,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:28,793 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-03-26 16:24:28,797 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,798 INFO L142 QuantifierPusher]: treesize reduction 6, result has 66.7 percent of original size [2021-03-26 16:24:28,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:24:28,798 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 16:24:28,798 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:12 [2021-03-26 16:24:28,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:24:28,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:24:28,812 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.8 percent of original size [2021-03-26 16:24:28,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:28,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:28,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:28,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:24:28,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:28,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:28,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:28,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:28,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:28,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:28,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:28,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:28,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:28,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:28,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:28,835 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:28,835 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:28,835 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-03-26 16:24:28,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040010684] [2021-03-26 16:24:28,835 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 16:24:28,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:28,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 16:24:28,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-03-26 16:24:28,836 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 38 [2021-03-26 16:24:28,836 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 235 transitions, 4749 flow. Second operand has 12 states, 12 states have (on average 11.083333333333334) internal successors, (133), 12 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) [2021-03-26 16:24:28,836 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:28,836 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 38 [2021-03-26 16:24:28,836 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:29,222 INFO L129 PetriNetUnfolder]: 152/649 cut-off events. [2021-03-26 16:24:29,222 INFO L130 PetriNetUnfolder]: For 15775/15780 co-relation queries the response was YES. [2021-03-26 16:24:29,226 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6192 conditions, 649 events. 152/649 cut-off events. For 15775/15780 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 5506 event pairs, 6 based on Foata normal form. 8/657 useless extension candidates. Maximal degree in co-relation 5952. Up to 474 conditions per place. [2021-03-26 16:24:29,235 INFO L132 encePairwiseOnDemand]: 27/38 looper letters, 217 selfloop transitions, 42 changer transitions 1/264 dead transitions. [2021-03-26 16:24:29,235 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 264 transitions, 5881 flow [2021-03-26 16:24:29,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 16:24:29,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 16:24:29,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 170 transitions. [2021-03-26 16:24:29,237 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3441295546558704 [2021-03-26 16:24:29,237 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 170 transitions. [2021-03-26 16:24:29,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 170 transitions. [2021-03-26 16:24:29,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:29,237 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 170 transitions. [2021-03-26 16:24:29,237 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 13.076923076923077) internal successors, (170), 13 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:29,238 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 38.0) internal successors, (532), 14 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:29,238 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 38.0) internal successors, (532), 14 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:29,238 INFO L185 Difference]: Start difference. First operand has 203 places, 235 transitions, 4749 flow. Second operand 13 states and 170 transitions. [2021-03-26 16:24:29,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 264 transitions, 5881 flow [2021-03-26 16:24:29,330 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 264 transitions, 5619 flow, removed 66 selfloop flow, removed 11 redundant places. [2021-03-26 16:24:29,336 INFO L241 Difference]: Finished difference. Result has 211 places, 259 transitions, 5143 flow [2021-03-26 16:24:29,336 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=4514, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=5143, PETRI_PLACES=211, PETRI_TRANSITIONS=259} [2021-03-26 16:24:29,336 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 196 predicate places. [2021-03-26 16:24:29,336 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:29,337 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 211 places, 259 transitions, 5143 flow [2021-03-26 16:24:29,337 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 211 places, 259 transitions, 5143 flow [2021-03-26 16:24:29,339 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 211 places, 259 transitions, 5143 flow [2021-03-26 16:24:29,422 INFO L129 PetriNetUnfolder]: 150/648 cut-off events. [2021-03-26 16:24:29,422 INFO L130 PetriNetUnfolder]: For 15281/15281 co-relation queries the response was YES. [2021-03-26 16:24:29,425 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5799 conditions, 648 events. 150/648 cut-off events. For 15281/15281 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 5587 event pairs, 7 based on Foata normal form. 0/648 useless extension candidates. Maximal degree in co-relation 5599. Up to 135 conditions per place. [2021-03-26 16:24:29,428 INFO L142 LiptonReduction]: Number of co-enabled transitions 112 [2021-03-26 16:24:29,624 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 16:24:29,624 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 16:24:29,624 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 288 [2021-03-26 16:24:29,625 INFO L480 AbstractCegarLoop]: Abstraction has has 211 places, 259 transitions, 5184 flow [2021-03-26 16:24:29,625 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 11.083333333333334) internal successors, (133), 12 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) [2021-03-26 16:24:29,625 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:29,625 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:29,826 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-03-26 16:24:29,826 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:29,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:29,827 INFO L82 PathProgramCache]: Analyzing trace with hash -368118473, now seen corresponding path program 1 times [2021-03-26 16:24:29,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:29,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875998541] [2021-03-26 16:24:29,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:29,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:29,845 INFO L142 QuantifierPusher]: treesize reduction 35, result has 49.3 percent of original size [2021-03-26 16:24:29,845 INFO L147 QuantifierPusher]: treesize reduction 7, result has 79.4 percent of original size 27 [2021-03-26 16:24:29,867 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-26 16:24:29,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:24:29,876 INFO L142 QuantifierPusher]: treesize reduction 46, result has 55.3 percent of original size [2021-03-26 16:24:29,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 16:24:29,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:29,912 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-26 16:24:29,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:29,921 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:29,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875998541] [2021-03-26 16:24:29,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1400929366] [2021-03-26 16:24:29,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:24:29,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:29,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 17 conjunts are in the unsatisfiable core [2021-03-26 16:24:29,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:24:29,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:29,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:29,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:29,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:29,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:29,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:29,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:29,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:29,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:29,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:29,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:29,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:29,954 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-26 16:24:29,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:29,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:29,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:29,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:29,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,967 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size 24 [2021-03-26 16:24:29,967 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-26 16:24:29,968 INFO L147 QuantifierPusher]: treesize reduction 8, result has 52.9 percent of original size 9 [2021-03-26 16:24:29,968 INFO L142 QuantifierPusher]: treesize reduction 8, result has 52.9 percent of original size [2021-03-26 16:24:29,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:29,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:29,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:29,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:29,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:29,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:29,980 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-26 16:24:29,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:29,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:29,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:29,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:29,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:29,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:29,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:29,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2021-03-26 16:24:29,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:29,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:29,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:24:29,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:29,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:29,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:24:29,986 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 16:24:29,987 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:29,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:29,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:24:29,989 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 16:24:29,989 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:5 [2021-03-26 16:24:29,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:29,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:29,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:24:29,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:29,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:29,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:24:29,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:29,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:29,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:29,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:29,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:29,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:29,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:29,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:30,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:30,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:30,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:30,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:30,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:30,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:30,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:30,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:30,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:30,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:30,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:30,003 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:30,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:30,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2021-03-26 16:24:30,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858460383] [2021-03-26 16:24:30,004 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 16:24:30,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:30,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 16:24:30,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-03-26 16:24:30,004 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2021-03-26 16:24:30,005 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 259 transitions, 5184 flow. Second operand has 10 states, 10 states have (on average 11.2) internal successors, (112), 10 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:30,005 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:30,005 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2021-03-26 16:24:30,005 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:30,311 INFO L129 PetriNetUnfolder]: 155/675 cut-off events. [2021-03-26 16:24:30,311 INFO L130 PetriNetUnfolder]: For 15959/15965 co-relation queries the response was YES. [2021-03-26 16:24:30,314 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6579 conditions, 675 events. 155/675 cut-off events. For 15959/15965 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 5803 event pairs, 0 based on Foata normal form. 8/683 useless extension candidates. Maximal degree in co-relation 6408. Up to 347 conditions per place. [2021-03-26 16:24:30,317 INFO L132 encePairwiseOnDemand]: 29/42 looper letters, 191 selfloop transitions, 82 changer transitions 5/282 dead transitions. [2021-03-26 16:24:30,317 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 282 transitions, 6238 flow [2021-03-26 16:24:30,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 16:24:30,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 16:24:30,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 147 transitions. [2021-03-26 16:24:30,319 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3181818181818182 [2021-03-26 16:24:30,319 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 147 transitions. [2021-03-26 16:24:30,319 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 147 transitions. [2021-03-26 16:24:30,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:30,319 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 147 transitions. [2021-03-26 16:24:30,319 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 13.363636363636363) internal successors, (147), 11 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:30,320 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 42.0) internal successors, (504), 12 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:30,320 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 42.0) internal successors, (504), 12 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:30,320 INFO L185 Difference]: Start difference. First operand has 211 places, 259 transitions, 5184 flow. Second operand 11 states and 147 transitions. [2021-03-26 16:24:30,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 282 transitions, 6238 flow [2021-03-26 16:24:30,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 282 transitions, 6132 flow, removed 35 selfloop flow, removed 3 redundant places. [2021-03-26 16:24:30,399 INFO L241 Difference]: Finished difference. Result has 222 places, 271 transitions, 5593 flow [2021-03-26 16:24:30,400 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=5079, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=70, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=5593, PETRI_PLACES=222, PETRI_TRANSITIONS=271} [2021-03-26 16:24:30,400 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 207 predicate places. [2021-03-26 16:24:30,400 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:30,400 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 222 places, 271 transitions, 5593 flow [2021-03-26 16:24:30,400 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 222 places, 271 transitions, 5593 flow [2021-03-26 16:24:30,402 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 222 places, 271 transitions, 5593 flow [2021-03-26 16:24:30,465 INFO L129 PetriNetUnfolder]: 154/673 cut-off events. [2021-03-26 16:24:30,465 INFO L130 PetriNetUnfolder]: For 17701/17703 co-relation queries the response was YES. [2021-03-26 16:24:30,469 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6270 conditions, 673 events. 154/673 cut-off events. For 17701/17703 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 5812 event pairs, 6 based on Foata normal form. 2/675 useless extension candidates. Maximal degree in co-relation 6107. Up to 134 conditions per place. [2021-03-26 16:24:30,475 INFO L142 LiptonReduction]: Number of co-enabled transitions 114 [2021-03-26 16:24:30,544 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:30,545 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 16:24:30,545 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 145 [2021-03-26 16:24:30,545 INFO L480 AbstractCegarLoop]: Abstraction has has 222 places, 271 transitions, 5611 flow [2021-03-26 16:24:30,545 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 11.2) internal successors, (112), 10 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:30,545 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:30,545 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:30,754 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:24:30,755 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:30,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:30,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1389207737, now seen corresponding path program 1 times [2021-03-26 16:24:30,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:30,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541393649] [2021-03-26 16:24:30,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:30,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:30,762 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:30,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:30,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:30,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:30,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:30,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:30,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:30,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:30,774 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:30,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541393649] [2021-03-26 16:24:30,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 16:24:30,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 16:24:30,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667656524] [2021-03-26 16:24:30,775 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 16:24:30,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:30,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 16:24:30,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 16:24:30,776 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 43 [2021-03-26 16:24:30,776 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 271 transitions, 5611 flow. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:30,776 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:30,776 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 43 [2021-03-26 16:24:30,776 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:30,950 INFO L129 PetriNetUnfolder]: 153/671 cut-off events. [2021-03-26 16:24:30,950 INFO L130 PetriNetUnfolder]: For 17675/17682 co-relation queries the response was YES. [2021-03-26 16:24:30,953 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6719 conditions, 671 events. 153/671 cut-off events. For 17675/17682 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 5730 event pairs, 0 based on Foata normal form. 8/679 useless extension candidates. Maximal degree in co-relation 6548. Up to 245 conditions per place. [2021-03-26 16:24:30,956 INFO L132 encePairwiseOnDemand]: 34/43 looper letters, 238 selfloop transitions, 34 changer transitions 3/280 dead transitions. [2021-03-26 16:24:30,956 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 280 transitions, 6447 flow [2021-03-26 16:24:30,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 16:24:30,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 16:24:30,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 105 transitions. [2021-03-26 16:24:30,968 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4069767441860465 [2021-03-26 16:24:30,969 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 105 transitions. [2021-03-26 16:24:30,969 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 105 transitions. [2021-03-26 16:24:30,969 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:30,969 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 105 transitions. [2021-03-26 16:24:30,969 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 17.5) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:30,970 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 43.0) internal successors, (301), 7 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) [2021-03-26 16:24:30,970 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 43.0) internal successors, (301), 7 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) [2021-03-26 16:24:30,970 INFO L185 Difference]: Start difference. First operand has 222 places, 271 transitions, 5611 flow. Second operand 6 states and 105 transitions. [2021-03-26 16:24:30,970 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 280 transitions, 6447 flow [2021-03-26 16:24:31,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 280 transitions, 6345 flow, removed 27 selfloop flow, removed 7 redundant places. [2021-03-26 16:24:31,068 INFO L241 Difference]: Finished difference. Result has 220 places, 268 transitions, 5515 flow [2021-03-26 16:24:31,068 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=5494, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=5515, PETRI_PLACES=220, PETRI_TRANSITIONS=268} [2021-03-26 16:24:31,068 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 205 predicate places. [2021-03-26 16:24:31,068 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:31,068 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 220 places, 268 transitions, 5515 flow [2021-03-26 16:24:31,069 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 220 places, 268 transitions, 5515 flow [2021-03-26 16:24:31,071 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 217 places, 268 transitions, 5515 flow [2021-03-26 16:24:31,146 INFO L129 PetriNetUnfolder]: 153/671 cut-off events. [2021-03-26 16:24:31,146 INFO L130 PetriNetUnfolder]: For 18257/18257 co-relation queries the response was YES. [2021-03-26 16:24:31,149 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6280 conditions, 671 events. 153/671 cut-off events. For 18257/18257 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 5831 event pairs, 6 based on Foata normal form. 0/671 useless extension candidates. Maximal degree in co-relation 6116. Up to 133 conditions per place. [2021-03-26 16:24:31,153 INFO L142 LiptonReduction]: Number of co-enabled transitions 108 [2021-03-26 16:24:31,165 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:31,165 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:24:31,165 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 97 [2021-03-26 16:24:31,165 INFO L480 AbstractCegarLoop]: Abstraction has has 217 places, 268 transitions, 5515 flow [2021-03-26 16:24:31,165 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:31,165 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:31,165 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:31,165 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-03-26 16:24:31,166 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:31,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:31,166 INFO L82 PathProgramCache]: Analyzing trace with hash -59166549, now seen corresponding path program 1 times [2021-03-26 16:24:31,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:31,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368307706] [2021-03-26 16:24:31,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:31,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:31,174 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:31,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:31,180 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:31,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:31,190 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:31,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:31,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:31,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:31,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:31,210 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:31,210 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368307706] [2021-03-26 16:24:31,210 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [180877769] [2021-03-26 16:24:31,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-26 16:24:31,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:31,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 16:24:31,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:24:31,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:31,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:31,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:31,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:31,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:31,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:31,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:31,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:31,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:31,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:31,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:31,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:31,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:31,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:31,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:31,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:31,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:31,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:31,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:31,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:31,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:31,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:31,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:31,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:31,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:31,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:31,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:31,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:31,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:31,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:31,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:31,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:31,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:31,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:31,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:31,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:31,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:31,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:31,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:31,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:31,299 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 16:24:31,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:31,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:31,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:31,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:24:31,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:31,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:31,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:31,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:31,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:31,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:31,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:31,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:31,305 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:31,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:31,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-03-26 16:24:31,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656365505] [2021-03-26 16:24:31,306 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 16:24:31,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:31,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 16:24:31,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-03-26 16:24:31,306 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 43 [2021-03-26 16:24:31,306 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 268 transitions, 5515 flow. Second operand has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:31,306 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:31,306 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 43 [2021-03-26 16:24:31,306 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:31,552 INFO L129 PetriNetUnfolder]: 159/689 cut-off events. [2021-03-26 16:24:31,552 INFO L130 PetriNetUnfolder]: For 18868/18868 co-relation queries the response was YES. [2021-03-26 16:24:31,555 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6893 conditions, 689 events. 159/689 cut-off events. For 18868/18868 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 5941 event pairs, 6 based on Foata normal form. 3/692 useless extension candidates. Maximal degree in co-relation 6732. Up to 423 conditions per place. [2021-03-26 16:24:31,557 INFO L132 encePairwiseOnDemand]: 33/43 looper letters, 246 selfloop transitions, 34 changer transitions 0/285 dead transitions. [2021-03-26 16:24:31,557 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 285 transitions, 6455 flow [2021-03-26 16:24:31,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 16:24:31,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 16:24:31,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 153 transitions. [2021-03-26 16:24:31,559 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3953488372093023 [2021-03-26 16:24:31,559 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 153 transitions. [2021-03-26 16:24:31,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 153 transitions. [2021-03-26 16:24:31,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:31,559 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 153 transitions. [2021-03-26 16:24:31,560 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 17.0) internal successors, (153), 9 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) [2021-03-26 16:24:31,560 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 43.0) internal successors, (430), 10 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:31,560 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 43.0) internal successors, (430), 10 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:31,561 INFO L185 Difference]: Start difference. First operand has 217 places, 268 transitions, 5515 flow. Second operand 9 states and 153 transitions. [2021-03-26 16:24:31,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 285 transitions, 6455 flow [2021-03-26 16:24:31,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 285 transitions, 6404 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-03-26 16:24:31,649 INFO L241 Difference]: Finished difference. Result has 223 places, 275 transitions, 5717 flow [2021-03-26 16:24:31,649 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=5467, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=5717, PETRI_PLACES=223, PETRI_TRANSITIONS=275} [2021-03-26 16:24:31,649 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 208 predicate places. [2021-03-26 16:24:31,649 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:31,649 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 223 places, 275 transitions, 5717 flow [2021-03-26 16:24:31,650 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 223 places, 275 transitions, 5717 flow [2021-03-26 16:24:31,652 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 223 places, 275 transitions, 5717 flow [2021-03-26 16:24:31,715 INFO L129 PetriNetUnfolder]: 159/687 cut-off events. [2021-03-26 16:24:31,715 INFO L130 PetriNetUnfolder]: For 18383/18383 co-relation queries the response was YES. [2021-03-26 16:24:31,732 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6469 conditions, 687 events. 159/687 cut-off events. For 18383/18383 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 5989 event pairs, 6 based on Foata normal form. 0/687 useless extension candidates. Maximal degree in co-relation 6260. Up to 138 conditions per place. [2021-03-26 16:24:31,737 INFO L142 LiptonReduction]: Number of co-enabled transitions 116 [2021-03-26 16:24:31,746 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:31,747 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:24:31,747 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 98 [2021-03-26 16:24:31,747 INFO L480 AbstractCegarLoop]: Abstraction has has 223 places, 275 transitions, 5717 flow [2021-03-26 16:24:31,747 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:31,747 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:31,747 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:31,948 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-03-26 16:24:31,948 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:31,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:31,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1158074194, now seen corresponding path program 1 times [2021-03-26 16:24:31,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:31,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17801030] [2021-03-26 16:24:31,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:31,955 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:31,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:31,960 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:31,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:31,966 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:31,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:31,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:31,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:31,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:31,971 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 16:24:31,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17801030] [2021-03-26 16:24:31,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [471716626] [2021-03-26 16:24:31,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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) [2021-03-26 16:24:32,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:32,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 16:24:32,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:24:32,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:24:32,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:32,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:32,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:32,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:32,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:32,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:32,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:32,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:32,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:32,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:32,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:32,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:32,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:32,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:32,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:32,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:32,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:32,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:32,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:32,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:32,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:32,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:32,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:32,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:32,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:32,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:32,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:32,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:32,060 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-26 16:24:32,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:24:32,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:32,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:32,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:32,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:32,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:32,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:32,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:32,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:24:32,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:32,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:32,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:32,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:24:32,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:24:32,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:32,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:32,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:32,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:32,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:32,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:32,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:32,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:32,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:32,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:32,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:32,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:32,083 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:32,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:32,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2021-03-26 16:24:32,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282799073] [2021-03-26 16:24:32,084 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 16:24:32,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:32,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 16:24:32,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-26 16:24:32,085 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 43 [2021-03-26 16:24:32,086 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 275 transitions, 5717 flow. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 9 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:32,086 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:32,086 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 43 [2021-03-26 16:24:32,086 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:32,450 INFO L129 PetriNetUnfolder]: 196/897 cut-off events. [2021-03-26 16:24:32,450 INFO L130 PetriNetUnfolder]: For 26151/26155 co-relation queries the response was YES. [2021-03-26 16:24:32,454 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9061 conditions, 897 events. 196/897 cut-off events. For 26151/26155 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 8362 event pairs, 0 based on Foata normal form. 6/903 useless extension candidates. Maximal degree in co-relation 8885. Up to 205 conditions per place. [2021-03-26 16:24:32,458 INFO L132 encePairwiseOnDemand]: 28/43 looper letters, 240 selfloop transitions, 117 changer transitions 4/366 dead transitions. [2021-03-26 16:24:32,458 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 366 transitions, 8702 flow [2021-03-26 16:24:32,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 16:24:32,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 16:24:32,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 227 transitions. [2021-03-26 16:24:32,469 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3770764119601329 [2021-03-26 16:24:32,469 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 227 transitions. [2021-03-26 16:24:32,469 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 227 transitions. [2021-03-26 16:24:32,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:32,469 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 227 transitions. [2021-03-26 16:24:32,469 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 16.214285714285715) internal successors, (227), 14 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:32,470 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 43.0) internal successors, (645), 15 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:32,470 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 43.0) internal successors, (645), 15 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:32,470 INFO L185 Difference]: Start difference. First operand has 223 places, 275 transitions, 5717 flow. Second operand 14 states and 227 transitions. [2021-03-26 16:24:32,470 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 366 transitions, 8702 flow [2021-03-26 16:24:32,621 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 366 transitions, 8622 flow, removed 22 selfloop flow, removed 4 redundant places. [2021-03-26 16:24:32,629 INFO L241 Difference]: Finished difference. Result has 237 places, 312 transitions, 6919 flow [2021-03-26 16:24:32,629 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=5610, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=83, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=6919, PETRI_PLACES=237, PETRI_TRANSITIONS=312} [2021-03-26 16:24:32,631 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 222 predicate places. [2021-03-26 16:24:32,632 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:32,632 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 237 places, 312 transitions, 6919 flow [2021-03-26 16:24:32,632 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 237 places, 312 transitions, 6919 flow [2021-03-26 16:24:32,635 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 237 places, 312 transitions, 6919 flow [2021-03-26 16:24:32,750 INFO L129 PetriNetUnfolder]: 195/894 cut-off events. [2021-03-26 16:24:32,750 INFO L130 PetriNetUnfolder]: For 29274/29274 co-relation queries the response was YES. [2021-03-26 16:24:32,756 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8851 conditions, 894 events. 195/894 cut-off events. For 29274/29274 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 8409 event pairs, 10 based on Foata normal form. 0/894 useless extension candidates. Maximal degree in co-relation 8604. Up to 176 conditions per place. [2021-03-26 16:24:32,761 INFO L142 LiptonReduction]: Number of co-enabled transitions 134 [2021-03-26 16:24:32,836 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:32,836 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 16:24:32,836 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 204 [2021-03-26 16:24:32,836 INFO L480 AbstractCegarLoop]: Abstraction has has 237 places, 312 transitions, 6929 flow [2021-03-26 16:24:32,837 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 9 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:32,837 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:32,837 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:33,038 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-03-26 16:24:33,038 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:33,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:33,038 INFO L82 PathProgramCache]: Analyzing trace with hash 1212591724, now seen corresponding path program 2 times [2021-03-26 16:24:33,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:33,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28968154] [2021-03-26 16:24:33,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:33,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:33,048 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:33,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:33,053 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:33,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:33,059 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:33,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:33,060 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:33,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:33,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:33,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:33,070 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:33,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28968154] [2021-03-26 16:24:33,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915270809] [2021-03-26 16:24:33,070 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 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 [2021-03-26 16:24:33,091 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:24:33,091 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:24:33,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 16:24:33,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:24:33,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:33,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:33,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:33,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:33,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:33,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:33,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:33,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:33,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:33,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:33,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:33,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:33,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:33,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:33,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:33,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:33,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:33,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:33,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:33,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:33,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:33,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:33,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:33,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:33,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:33,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:33,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:33,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:33,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:33,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:33,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:33,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:33,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:33,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:33,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:33,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:33,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:33,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:33,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:33,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:33,152 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 16:24:33,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:33,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:33,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:33,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:24:33,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:33,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:33,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:33,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:33,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:33,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:33,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:33,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:33,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:33,159 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:33,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:33,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-26 16:24:33,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602396288] [2021-03-26 16:24:33,159 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 16:24:33,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:33,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 16:24:33,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-03-26 16:24:33,160 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 44 [2021-03-26 16:24:33,160 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 312 transitions, 6929 flow. Second operand has 10 states, 10 states have (on average 14.2) internal successors, (142), 10 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:33,160 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:33,160 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 44 [2021-03-26 16:24:33,160 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:33,545 INFO L129 PetriNetUnfolder]: 194/904 cut-off events. [2021-03-26 16:24:33,545 INFO L130 PetriNetUnfolder]: For 29890/29895 co-relation queries the response was YES. [2021-03-26 16:24:33,549 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9490 conditions, 904 events. 194/904 cut-off events. For 29890/29895 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 8472 event pairs, 9 based on Foata normal form. 7/911 useless extension candidates. Maximal degree in co-relation 9276. Up to 390 conditions per place. [2021-03-26 16:24:33,553 INFO L132 encePairwiseOnDemand]: 29/44 looper letters, 252 selfloop transitions, 90 changer transitions 3/350 dead transitions. [2021-03-26 16:24:33,554 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 350 transitions, 8511 flow [2021-03-26 16:24:33,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 16:24:33,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 16:24:33,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 170 transitions. [2021-03-26 16:24:33,555 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.38636363636363635 [2021-03-26 16:24:33,555 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 170 transitions. [2021-03-26 16:24:33,555 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 170 transitions. [2021-03-26 16:24:33,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:33,555 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 170 transitions. [2021-03-26 16:24:33,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 17.0) internal successors, (170), 10 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:33,556 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 44.0) internal successors, (484), 11 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:33,556 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 44.0) internal successors, (484), 11 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:33,556 INFO L185 Difference]: Start difference. First operand has 237 places, 312 transitions, 6929 flow. Second operand 10 states and 170 transitions. [2021-03-26 16:24:33,556 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 350 transitions, 8511 flow [2021-03-26 16:24:33,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 350 transitions, 8317 flow, removed 85 selfloop flow, removed 5 redundant places. [2021-03-26 16:24:33,749 INFO L241 Difference]: Finished difference. Result has 242 places, 314 transitions, 6984 flow [2021-03-26 16:24:33,749 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6620, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=85, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=6984, PETRI_PLACES=242, PETRI_TRANSITIONS=314} [2021-03-26 16:24:33,750 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 227 predicate places. [2021-03-26 16:24:33,750 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:33,750 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 242 places, 314 transitions, 6984 flow [2021-03-26 16:24:33,751 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 242 places, 314 transitions, 6984 flow [2021-03-26 16:24:33,754 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 242 places, 314 transitions, 6984 flow [2021-03-26 16:24:33,888 INFO L129 PetriNetUnfolder]: 194/903 cut-off events. [2021-03-26 16:24:33,888 INFO L130 PetriNetUnfolder]: For 28205/28205 co-relation queries the response was YES. [2021-03-26 16:24:33,895 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8926 conditions, 903 events. 194/903 cut-off events. For 28205/28205 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 8544 event pairs, 10 based on Foata normal form. 0/903 useless extension candidates. Maximal degree in co-relation 8678. Up to 175 conditions per place. [2021-03-26 16:24:33,903 INFO L142 LiptonReduction]: Number of co-enabled transitions 132 [2021-03-26 16:24:33,916 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:33,916 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:24:33,916 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 166 [2021-03-26 16:24:33,917 INFO L480 AbstractCegarLoop]: Abstraction has has 242 places, 314 transitions, 6984 flow [2021-03-26 16:24:33,917 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 14.2) internal successors, (142), 10 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:33,917 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:33,917 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:34,124 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,26 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:24:34,125 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:34,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:34,125 INFO L82 PathProgramCache]: Analyzing trace with hash -878749717, now seen corresponding path program 1 times [2021-03-26 16:24:34,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:34,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197336732] [2021-03-26 16:24:34,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:34,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:34,132 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:34,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:34,137 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:34,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:34,142 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:34,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:34,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:34,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:34,146 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:34,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197336732] [2021-03-26 16:24:34,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1703118512] [2021-03-26 16:24:34,147 INFO L95 rtionOrderModulation]: Keeping assertion order 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) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:24:34,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:34,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 16:24:34,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:24:34,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:34,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:34,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:34,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:34,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:34,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:34,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:34,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:34,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:34,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:34,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:34,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:34,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:34,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:34,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:34,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:34,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:34,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:34,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:34,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:34,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:34,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:34,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:34,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:34,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:34,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:34,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:34,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:34,207 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-26 16:24:34,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:24:34,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:34,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:34,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:34,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:34,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:34,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:34,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:34,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:24:34,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:34,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:34,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:34,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:24:34,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:24:34,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:34,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:34,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:34,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:34,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:34,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:34,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:34,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:34,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:34,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:34,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:34,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:34,237 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:34,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:34,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2021-03-26 16:24:34,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882423026] [2021-03-26 16:24:34,238 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 16:24:34,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:34,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 16:24:34,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-26 16:24:34,238 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 44 [2021-03-26 16:24:34,239 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 314 transitions, 6984 flow. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 9 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:34,239 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:34,239 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 44 [2021-03-26 16:24:34,239 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:34,574 INFO L129 PetriNetUnfolder]: 193/913 cut-off events. [2021-03-26 16:24:34,574 INFO L130 PetriNetUnfolder]: For 28986/28991 co-relation queries the response was YES. [2021-03-26 16:24:34,578 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9625 conditions, 913 events. 193/913 cut-off events. For 28986/28991 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 8602 event pairs, 1 based on Foata normal form. 1/914 useless extension candidates. Maximal degree in co-relation 9317. Up to 294 conditions per place. [2021-03-26 16:24:34,582 INFO L132 encePairwiseOnDemand]: 33/44 looper letters, 263 selfloop transitions, 63 changer transitions 1/332 dead transitions. [2021-03-26 16:24:34,583 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 332 transitions, 8167 flow [2021-03-26 16:24:34,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 16:24:34,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 16:24:34,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 162 transitions. [2021-03-26 16:24:34,584 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.36818181818181817 [2021-03-26 16:24:34,584 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 162 transitions. [2021-03-26 16:24:34,584 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 162 transitions. [2021-03-26 16:24:34,584 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:34,584 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 162 transitions. [2021-03-26 16:24:34,584 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 16.2) internal successors, (162), 10 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) [2021-03-26 16:24:34,585 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 44.0) internal successors, (484), 11 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:34,585 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 44.0) internal successors, (484), 11 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:34,585 INFO L185 Difference]: Start difference. First operand has 242 places, 314 transitions, 6984 flow. Second operand 10 states and 162 transitions. [2021-03-26 16:24:34,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 332 transitions, 8167 flow [2021-03-26 16:24:34,755 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 332 transitions, 8071 flow, removed 8 selfloop flow, removed 7 redundant places. [2021-03-26 16:24:34,761 INFO L241 Difference]: Finished difference. Result has 245 places, 315 transitions, 7055 flow [2021-03-26 16:24:34,761 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6840, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=7055, PETRI_PLACES=245, PETRI_TRANSITIONS=315} [2021-03-26 16:24:34,761 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 230 predicate places. [2021-03-26 16:24:34,761 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:34,761 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 245 places, 315 transitions, 7055 flow [2021-03-26 16:24:34,761 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 245 places, 315 transitions, 7055 flow [2021-03-26 16:24:34,764 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 244 places, 315 transitions, 7055 flow [2021-03-26 16:24:34,861 INFO L129 PetriNetUnfolder]: 193/903 cut-off events. [2021-03-26 16:24:34,861 INFO L130 PetriNetUnfolder]: For 30247/30247 co-relation queries the response was YES. [2021-03-26 16:24:34,866 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9109 conditions, 903 events. 193/903 cut-off events. For 30247/30247 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 8540 event pairs, 10 based on Foata normal form. 0/903 useless extension candidates. Maximal degree in co-relation 8899. Up to 182 conditions per place. [2021-03-26 16:24:34,871 INFO L142 LiptonReduction]: Number of co-enabled transitions 132 [2021-03-26 16:24:34,883 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:34,884 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:24:34,884 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 123 [2021-03-26 16:24:34,884 INFO L480 AbstractCegarLoop]: Abstraction has has 244 places, 315 transitions, 7055 flow [2021-03-26 16:24:34,884 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 9 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:34,884 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:34,884 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:35,085 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:24:35,085 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:35,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:35,085 INFO L82 PathProgramCache]: Analyzing trace with hash -778122322, now seen corresponding path program 1 times [2021-03-26 16:24:35,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:35,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492320796] [2021-03-26 16:24:35,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:35,124 INFO L142 QuantifierPusher]: treesize reduction 41, result has 35.9 percent of original size [2021-03-26 16:24:35,126 INFO L147 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size 18 [2021-03-26 16:24:35,144 INFO L142 QuantifierPusher]: treesize reduction 116, result has 43.4 percent of original size [2021-03-26 16:24:35,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 16:24:35,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:24:35,178 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-26 16:24:35,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:35,185 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:35,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492320796] [2021-03-26 16:24:35,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98754416] [2021-03-26 16:24:35,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-26 16:24:35,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:35,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-26 16:24:35,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:24:35,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:35,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:35,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:35,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:35,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:35,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:35,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:35,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:35,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:35,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:35,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:35,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:35,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:24:35,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:24:35,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:24:35,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:24:35,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,245 INFO L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-03-26 16:24:35,245 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-26 16:24:35,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:24:35,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:24:35,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:24:35,258 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size [2021-03-26 16:24:35,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:24:35,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:35,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:24:35,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:35,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:35,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:24:35,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:35,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2021-03-26 16:24:35,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:35,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 16:24:35,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:35,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:35,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 16:24:35,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:35,269 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-03-26 16:24:35,271 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:35,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 16:24:35,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:35,273 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-03-26 16:24:35,273 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:8 [2021-03-26 16:24:35,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:35,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 16:24:35,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:35,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:35,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 16:24:35,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:35,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:35,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:35,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:35,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:35,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:35,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:35,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:35,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:35,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:35,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:35,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:35,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:35,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:35,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:35,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:35,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:35,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:35,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:35,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:35,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-03-26 16:24:35,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641679798] [2021-03-26 16:24:35,291 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 16:24:35,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:35,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 16:24:35,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-26 16:24:35,291 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 44 [2021-03-26 16:24:35,291 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 315 transitions, 7055 flow. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 9 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:35,292 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:35,292 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 44 [2021-03-26 16:24:35,292 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:35,581 INFO L129 PetriNetUnfolder]: 193/905 cut-off events. [2021-03-26 16:24:35,581 INFO L130 PetriNetUnfolder]: For 30752/30757 co-relation queries the response was YES. [2021-03-26 16:24:35,586 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9791 conditions, 905 events. 193/905 cut-off events. For 30752/30757 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 8506 event pairs, 9 based on Foata normal form. 7/912 useless extension candidates. Maximal degree in co-relation 9476. Up to 674 conditions per place. [2021-03-26 16:24:35,589 INFO L132 encePairwiseOnDemand]: 33/44 looper letters, 299 selfloop transitions, 23 changer transitions 0/326 dead transitions. [2021-03-26 16:24:35,589 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 326 transitions, 7958 flow [2021-03-26 16:24:35,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 16:24:35,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 16:24:35,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 120 transitions. [2021-03-26 16:24:35,592 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3409090909090909 [2021-03-26 16:24:35,592 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 120 transitions. [2021-03-26 16:24:35,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 120 transitions. [2021-03-26 16:24:35,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:35,592 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 120 transitions. [2021-03-26 16:24:35,592 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 15.0) internal successors, (120), 8 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:35,592 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 44.0) internal successors, (396), 9 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:35,593 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 44.0) internal successors, (396), 9 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:35,593 INFO L185 Difference]: Start difference. First operand has 244 places, 315 transitions, 7055 flow. Second operand 8 states and 120 transitions. [2021-03-26 16:24:35,593 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 326 transitions, 7958 flow [2021-03-26 16:24:35,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 326 transitions, 7918 flow, removed 11 selfloop flow, removed 3 redundant places. [2021-03-26 16:24:35,758 INFO L241 Difference]: Finished difference. Result has 250 places, 323 transitions, 7250 flow [2021-03-26 16:24:35,759 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7015, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=7250, PETRI_PLACES=250, PETRI_TRANSITIONS=323} [2021-03-26 16:24:35,759 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 235 predicate places. [2021-03-26 16:24:35,759 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:35,759 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 250 places, 323 transitions, 7250 flow [2021-03-26 16:24:35,759 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 250 places, 323 transitions, 7250 flow [2021-03-26 16:24:35,761 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 250 places, 323 transitions, 7250 flow [2021-03-26 16:24:35,869 INFO L129 PetriNetUnfolder]: 193/901 cut-off events. [2021-03-26 16:24:35,869 INFO L130 PetriNetUnfolder]: For 30729/30729 co-relation queries the response was YES. [2021-03-26 16:24:35,876 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9227 conditions, 901 events. 193/901 cut-off events. For 30729/30729 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 8512 event pairs, 9 based on Foata normal form. 0/901 useless extension candidates. Maximal degree in co-relation 9013. Up to 179 conditions per place. [2021-03-26 16:24:35,883 INFO L142 LiptonReduction]: Number of co-enabled transitions 138 [2021-03-26 16:24:35,896 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:35,896 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:24:35,896 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 137 [2021-03-26 16:24:35,896 INFO L480 AbstractCegarLoop]: Abstraction has has 250 places, 323 transitions, 7250 flow [2021-03-26 16:24:35,896 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 9 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:35,896 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:35,896 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:36,097 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-03-26 16:24:36,097 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:36,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:36,097 INFO L82 PathProgramCache]: Analyzing trace with hash 513748556, now seen corresponding path program 2 times [2021-03-26 16:24:36,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:36,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644396648] [2021-03-26 16:24:36,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:36,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:36,123 INFO L142 QuantifierPusher]: treesize reduction 45, result has 36.6 percent of original size [2021-03-26 16:24:36,124 INFO L147 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size 21 [2021-03-26 16:24:36,144 INFO L142 QuantifierPusher]: treesize reduction 83, result has 39.4 percent of original size [2021-03-26 16:24:36,145 INFO L147 QuantifierPusher]: treesize reduction 7, result has 87.0 percent of original size 47 [2021-03-26 16:24:36,168 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.0 percent of original size [2021-03-26 16:24:36,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 16:24:36,179 INFO L142 QuantifierPusher]: treesize reduction 46, result has 57.8 percent of original size [2021-03-26 16:24:36,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 16:24:36,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:24:36,223 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 16:24:36,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:36,234 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-26 16:24:36,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:36,242 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:36,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644396648] [2021-03-26 16:24:36,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1123264702] [2021-03-26 16:24:36,243 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 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 [2021-03-26 16:24:36,258 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:24:36,259 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:24:36,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-26 16:24:36,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:24:36,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:36,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:36,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:36,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:36,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:36,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:36,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:36,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:36,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,295 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-03-26 16:24:36,295 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-03-26 16:24:36,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:36,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:36,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:36,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:36,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:36,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:36,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:36,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,314 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-03-26 16:24:36,314 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-26 16:24:36,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:24:36,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:24:36,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:24:36,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,331 INFO L147 QuantifierPusher]: treesize reduction 7, result has 79.4 percent of original size 27 [2021-03-26 16:24:36,331 INFO L142 QuantifierPusher]: treesize reduction 7, result has 79.4 percent of original size [2021-03-26 16:24:36,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:24:36,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:24:36,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:24:36,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:24:36,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:24:36,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:24:36,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:24:36,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:36,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:36,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:36,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:36,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:36,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:36,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:36,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:36,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:36,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:36,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:36,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:36,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:36,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:36,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:36,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:36,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:36,367 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:36,367 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:36,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 11 [2021-03-26 16:24:36,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352492077] [2021-03-26 16:24:36,368 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 16:24:36,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:36,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 16:24:36,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-03-26 16:24:36,369 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 44 [2021-03-26 16:24:36,369 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 323 transitions, 7250 flow. Second operand has 13 states, 13 states have (on average 11.153846153846153) internal successors, (145), 13 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) [2021-03-26 16:24:36,369 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:36,369 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 44 [2021-03-26 16:24:36,370 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:36,904 INFO L129 PetriNetUnfolder]: 207/944 cut-off events. [2021-03-26 16:24:36,905 INFO L130 PetriNetUnfolder]: For 33179/33184 co-relation queries the response was YES. [2021-03-26 16:24:36,910 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10415 conditions, 944 events. 207/944 cut-off events. For 33179/33184 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 8881 event pairs, 10 based on Foata normal form. 8/952 useless extension candidates. Maximal degree in co-relation 10094. Up to 668 conditions per place. [2021-03-26 16:24:36,913 INFO L132 encePairwiseOnDemand]: 29/44 looper letters, 282 selfloop transitions, 69 changer transitions 3/358 dead transitions. [2021-03-26 16:24:36,913 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 358 transitions, 8765 flow [2021-03-26 16:24:36,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 16:24:36,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 16:24:36,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 179 transitions. [2021-03-26 16:24:36,914 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3129370629370629 [2021-03-26 16:24:36,914 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 179 transitions. [2021-03-26 16:24:36,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 179 transitions. [2021-03-26 16:24:36,914 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:36,914 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 179 transitions. [2021-03-26 16:24:36,948 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 13.76923076923077) internal successors, (179), 13 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:36,948 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 44.0) internal successors, (616), 14 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:36,949 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 44.0) internal successors, (616), 14 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:36,949 INFO L185 Difference]: Start difference. First operand has 250 places, 323 transitions, 7250 flow. Second operand 13 states and 179 transitions. [2021-03-26 16:24:36,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 358 transitions, 8765 flow [2021-03-26 16:24:37,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 358 transitions, 8695 flow, removed 27 selfloop flow, removed 4 redundant places. [2021-03-26 16:24:37,086 INFO L241 Difference]: Finished difference. Result has 261 places, 345 transitions, 7849 flow [2021-03-26 16:24:37,086 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7184, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=323, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=7849, PETRI_PLACES=261, PETRI_TRANSITIONS=345} [2021-03-26 16:24:37,087 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 246 predicate places. [2021-03-26 16:24:37,087 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:37,087 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 261 places, 345 transitions, 7849 flow [2021-03-26 16:24:37,087 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 261 places, 345 transitions, 7849 flow [2021-03-26 16:24:37,090 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 261 places, 345 transitions, 7849 flow [2021-03-26 16:24:37,203 INFO L129 PetriNetUnfolder]: 206/935 cut-off events. [2021-03-26 16:24:37,203 INFO L130 PetriNetUnfolder]: For 33858/33858 co-relation queries the response was YES. [2021-03-26 16:24:37,209 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9924 conditions, 935 events. 206/935 cut-off events. For 33858/33858 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 8859 event pairs, 10 based on Foata normal form. 0/935 useless extension candidates. Maximal degree in co-relation 9704. Up to 189 conditions per place. [2021-03-26 16:24:37,215 INFO L142 LiptonReduction]: Number of co-enabled transitions 140 [2021-03-26 16:24:37,329 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:37,329 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 16:24:37,330 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 242 [2021-03-26 16:24:37,330 INFO L480 AbstractCegarLoop]: Abstraction has has 261 places, 345 transitions, 7877 flow [2021-03-26 16:24:37,330 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 11.153846153846153) internal successors, (145), 13 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) [2021-03-26 16:24:37,330 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:37,330 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:37,531 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:24:37,532 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:37,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:37,532 INFO L82 PathProgramCache]: Analyzing trace with hash -369592603, now seen corresponding path program 2 times [2021-03-26 16:24:37,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:37,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133749737] [2021-03-26 16:24:37,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:37,554 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:37,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:37,558 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:37,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:37,564 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:37,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:37,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:37,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:37,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:37,581 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:37,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133749737] [2021-03-26 16:24:37,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407776584] [2021-03-26 16:24:37,581 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 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-26 16:24:37,605 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:24:37,605 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:24:37,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 16:24:37,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:24:37,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:37,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:37,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:37,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:24:37,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:37,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:37,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:37,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:37,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:37,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:37,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:37,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:37,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:37,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:37,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:37,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:37,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:37,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:37,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:37,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:37,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:37,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:37,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:37,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:37,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:37,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:37,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:37,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:37,656 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-26 16:24:37,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:24:37,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:37,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:37,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:37,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:37,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:37,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:37,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:37,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:37,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:37,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:37,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:37,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:37,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:37,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:37,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:37,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:24:37,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:37,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:37,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:37,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:24:37,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:24:37,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:37,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:37,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:37,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:37,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:37,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:37,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:37,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:37,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:37,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:37,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:37,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:37,696 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:37,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:37,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-03-26 16:24:37,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220115700] [2021-03-26 16:24:37,696 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 16:24:37,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:37,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 16:24:37,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-03-26 16:24:37,697 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 46 [2021-03-26 16:24:37,697 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 345 transitions, 7877 flow. Second operand has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 12 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:37,697 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:37,697 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 46 [2021-03-26 16:24:37,697 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:38,344 INFO L129 PetriNetUnfolder]: 226/1032 cut-off events. [2021-03-26 16:24:38,345 INFO L130 PetriNetUnfolder]: For 41854/41861 co-relation queries the response was YES. [2021-03-26 16:24:38,351 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11830 conditions, 1032 events. 226/1032 cut-off events. For 41854/41861 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 9890 event pairs, 0 based on Foata normal form. 26/1058 useless extension candidates. Maximal degree in co-relation 11503. Up to 219 conditions per place. [2021-03-26 16:24:38,354 INFO L132 encePairwiseOnDemand]: 30/46 looper letters, 221 selfloop transitions, 194 changer transitions 4/424 dead transitions. [2021-03-26 16:24:38,354 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 424 transitions, 11079 flow [2021-03-26 16:24:38,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-26 16:24:38,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-26 16:24:38,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 323 transitions. [2021-03-26 16:24:38,356 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.35108695652173916 [2021-03-26 16:24:38,356 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 323 transitions. [2021-03-26 16:24:38,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 323 transitions. [2021-03-26 16:24:38,356 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:38,356 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 323 transitions. [2021-03-26 16:24:38,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 16.15) internal successors, (323), 20 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:38,357 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 46.0) internal successors, (966), 21 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:38,357 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 46.0) internal successors, (966), 21 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:38,357 INFO L185 Difference]: Start difference. First operand has 261 places, 345 transitions, 7877 flow. Second operand 20 states and 323 transitions. [2021-03-26 16:24:38,357 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 424 transitions, 11079 flow [2021-03-26 16:24:38,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 424 transitions, 10930 flow, removed 46 selfloop flow, removed 6 redundant places. [2021-03-26 16:24:38,536 INFO L241 Difference]: Finished difference. Result has 281 places, 387 transitions, 9817 flow [2021-03-26 16:24:38,536 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=7522, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=336, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=143, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=9817, PETRI_PLACES=281, PETRI_TRANSITIONS=387} [2021-03-26 16:24:38,536 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 266 predicate places. [2021-03-26 16:24:38,536 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:38,536 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 281 places, 387 transitions, 9817 flow [2021-03-26 16:24:38,537 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 281 places, 387 transitions, 9817 flow [2021-03-26 16:24:38,540 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 278 places, 387 transitions, 9817 flow [2021-03-26 16:24:38,688 INFO L129 PetriNetUnfolder]: 226/1019 cut-off events. [2021-03-26 16:24:38,688 INFO L130 PetriNetUnfolder]: For 47763/47773 co-relation queries the response was YES. [2021-03-26 16:24:38,698 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11849 conditions, 1019 events. 226/1019 cut-off events. For 47763/47773 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 9729 event pairs, 8 based on Foata normal form. 0/1019 useless extension candidates. Maximal degree in co-relation 11508. Up to 216 conditions per place. [2021-03-26 16:24:38,709 INFO L142 LiptonReduction]: Number of co-enabled transitions 148 [2021-03-26 16:24:38,728 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:38,728 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:24:38,728 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 192 [2021-03-26 16:24:38,728 INFO L480 AbstractCegarLoop]: Abstraction has has 278 places, 387 transitions, 9817 flow [2021-03-26 16:24:38,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 12 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:38,728 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:38,729 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:38,929 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-03-26 16:24:38,929 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:38,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:38,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1480225082, now seen corresponding path program 1 times [2021-03-26 16:24:38,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:38,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437577939] [2021-03-26 16:24:38,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:38,936 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:38,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:38,941 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:38,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:38,946 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:38,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:38,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:38,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:38,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:38,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:38,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:38,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:38,964 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:38,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437577939] [2021-03-26 16:24:38,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27330563] [2021-03-26 16:24:38,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:24:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:38,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 16:24:38,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:24:38,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:38,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:38,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:38,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:38,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:38,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:38,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:38,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:38,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:38,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:38,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:38,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:38,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:38,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:38,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:38,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:38,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:38,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:38,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:38,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:38,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:38,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:38,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:38,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:38,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:38,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:38,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:38,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:38,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:24:38,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:38,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:38,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:38,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:38,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:24:38,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:38,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:38,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:38,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:39,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:39,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:39,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:39,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:39,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:39,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:39,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:39,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:39,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:39,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:39,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:39,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:39,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:39,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:39,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:39,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:39,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:39,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:39,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:39,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:39,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:39,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:39,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:39,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:39,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:39,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:39,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:39,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:39,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:39,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:39,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:39,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:39,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:39,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:39,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:39,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:39,044 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 16:24:39,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:39,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:39,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:39,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:39,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:39,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:24:39,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:39,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:39,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:39,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:39,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:39,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:39,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:39,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:39,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:39,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:39,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:39,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:39,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:39,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:39,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:39,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:39,051 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:39,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:39,052 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-03-26 16:24:39,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575524100] [2021-03-26 16:24:39,052 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 16:24:39,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:39,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 16:24:39,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-03-26 16:24:39,053 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 46 [2021-03-26 16:24:39,053 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 387 transitions, 9817 flow. Second operand has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:39,053 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:39,053 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 46 [2021-03-26 16:24:39,053 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:39,438 INFO L129 PetriNetUnfolder]: 238/1037 cut-off events. [2021-03-26 16:24:39,438 INFO L130 PetriNetUnfolder]: For 50299/50299 co-relation queries the response was YES. [2021-03-26 16:24:39,444 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12879 conditions, 1037 events. 238/1037 cut-off events. For 50299/50299 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 9804 event pairs, 8 based on Foata normal form. 9/1046 useless extension candidates. Maximal degree in co-relation 12525. Up to 655 conditions per place. [2021-03-26 16:24:39,447 INFO L132 encePairwiseOnDemand]: 34/46 looper letters, 369 selfloop transitions, 40 changer transitions 0/414 dead transitions. [2021-03-26 16:24:39,447 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 414 transitions, 11341 flow [2021-03-26 16:24:39,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 16:24:39,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 16:24:39,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 167 transitions. [2021-03-26 16:24:39,448 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3630434782608696 [2021-03-26 16:24:39,448 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 167 transitions. [2021-03-26 16:24:39,448 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 167 transitions. [2021-03-26 16:24:39,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:39,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 167 transitions. [2021-03-26 16:24:39,449 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 16.7) internal successors, (167), 10 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:39,450 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 46.0) internal successors, (506), 11 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:39,450 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 46.0) internal successors, (506), 11 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:39,450 INFO L185 Difference]: Start difference. First operand has 278 places, 387 transitions, 9817 flow. Second operand 10 states and 167 transitions. [2021-03-26 16:24:39,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 414 transitions, 11341 flow [2021-03-26 16:24:39,694 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 414 transitions, 10641 flow, removed 341 selfloop flow, removed 4 redundant places. [2021-03-26 16:24:39,702 INFO L241 Difference]: Finished difference. Result has 285 places, 401 transitions, 9586 flow [2021-03-26 16:24:39,702 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=9117, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=387, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=9586, PETRI_PLACES=285, PETRI_TRANSITIONS=401} [2021-03-26 16:24:39,702 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 270 predicate places. [2021-03-26 16:24:39,702 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:39,702 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 285 places, 401 transitions, 9586 flow [2021-03-26 16:24:39,702 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 285 places, 401 transitions, 9586 flow [2021-03-26 16:24:39,705 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 285 places, 401 transitions, 9586 flow [2021-03-26 16:24:39,835 INFO L129 PetriNetUnfolder]: 238/1040 cut-off events. [2021-03-26 16:24:39,835 INFO L130 PetriNetUnfolder]: For 44551/44555 co-relation queries the response was YES. [2021-03-26 16:24:39,841 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11641 conditions, 1040 events. 238/1040 cut-off events. For 44551/44555 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 9867 event pairs, 8 based on Foata normal form. 0/1040 useless extension candidates. Maximal degree in co-relation 11301. Up to 221 conditions per place. [2021-03-26 16:24:39,847 INFO L142 LiptonReduction]: Number of co-enabled transitions 148 [2021-03-26 16:24:39,866 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:39,866 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:24:39,866 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 164 [2021-03-26 16:24:39,867 INFO L480 AbstractCegarLoop]: Abstraction has has 285 places, 401 transitions, 9586 flow [2021-03-26 16:24:39,867 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:39,867 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:39,867 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:40,067 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:24:40,067 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:40,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:40,068 INFO L82 PathProgramCache]: Analyzing trace with hash -1840756434, now seen corresponding path program 1 times [2021-03-26 16:24:40,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:40,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701517093] [2021-03-26 16:24:40,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:40,085 INFO L142 QuantifierPusher]: treesize reduction 36, result has 30.8 percent of original size [2021-03-26 16:24:40,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:24:40,096 INFO L142 QuantifierPusher]: treesize reduction 109, result has 42.6 percent of original size [2021-03-26 16:24:40,096 INFO L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-03-26 16:24:40,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 16:24:40,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:24:40,155 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-26 16:24:40,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:40,164 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:40,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701517093] [2021-03-26 16:24:40,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [314135627] [2021-03-26 16:24:40,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-26 16:24:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:40,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 17 conjunts are in the unsatisfiable core [2021-03-26 16:24:40,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:24:40,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:40,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:40,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:40,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:40,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:40,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:40,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:40,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:40,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:40,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:40,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:40,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:40,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,197 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size 26 [2021-03-26 16:24:40,198 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size [2021-03-26 16:24:40,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:40,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:40,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:40,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:40,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:40,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:40,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:40,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:24:40,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:24:40,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:24:40,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:24:40,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:40,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:40,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:40,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:40,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:40,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:40,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:40,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:40,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:40,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:40,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:40,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:40,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:40,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:40,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:40,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:40,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:40,243 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:40,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:40,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2021-03-26 16:24:40,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390131467] [2021-03-26 16:24:40,244 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 16:24:40,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:40,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 16:24:40,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-03-26 16:24:40,244 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 46 [2021-03-26 16:24:40,244 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 401 transitions, 9586 flow. Second operand has 10 states, 10 states have (on average 11.2) internal successors, (112), 10 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:40,244 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:40,245 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 46 [2021-03-26 16:24:40,245 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:40,757 INFO L129 PetriNetUnfolder]: 239/1053 cut-off events. [2021-03-26 16:24:40,758 INFO L130 PetriNetUnfolder]: For 45706/45706 co-relation queries the response was YES. [2021-03-26 16:24:40,763 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12560 conditions, 1053 events. 239/1053 cut-off events. For 45706/45706 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 10018 event pairs, 0 based on Foata normal form. 1/1054 useless extension candidates. Maximal degree in co-relation 12204. Up to 568 conditions per place. [2021-03-26 16:24:40,767 INFO L132 encePairwiseOnDemand]: 33/46 looper letters, 300 selfloop transitions, 108 changer transitions 1/413 dead transitions. [2021-03-26 16:24:40,767 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 413 transitions, 10788 flow [2021-03-26 16:24:40,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 16:24:40,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 16:24:40,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 157 transitions. [2021-03-26 16:24:40,768 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28442028985507245 [2021-03-26 16:24:40,768 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 157 transitions. [2021-03-26 16:24:40,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 157 transitions. [2021-03-26 16:24:40,768 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:40,768 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 157 transitions. [2021-03-26 16:24:40,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 13.083333333333334) internal successors, (157), 12 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) [2021-03-26 16:24:40,769 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 46.0) internal successors, (598), 13 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:40,769 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 46.0) internal successors, (598), 13 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:40,769 INFO L185 Difference]: Start difference. First operand has 285 places, 401 transitions, 9586 flow. Second operand 12 states and 157 transitions. [2021-03-26 16:24:40,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 413 transitions, 10788 flow [2021-03-26 16:24:40,985 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 413 transitions, 10691 flow, removed 27 selfloop flow, removed 5 redundant places. [2021-03-26 16:24:40,995 INFO L241 Difference]: Finished difference. Result has 295 places, 406 transitions, 9851 flow [2021-03-26 16:24:40,995 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=9490, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=103, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=9851, PETRI_PLACES=295, PETRI_TRANSITIONS=406} [2021-03-26 16:24:40,995 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 280 predicate places. [2021-03-26 16:24:40,996 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:40,996 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 295 places, 406 transitions, 9851 flow [2021-03-26 16:24:40,996 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 295 places, 406 transitions, 9851 flow [2021-03-26 16:24:41,000 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 294 places, 406 transitions, 9851 flow [2021-03-26 16:24:41,135 INFO L129 PetriNetUnfolder]: 239/1049 cut-off events. [2021-03-26 16:24:41,135 INFO L130 PetriNetUnfolder]: For 47407/47411 co-relation queries the response was YES. [2021-03-26 16:24:41,141 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11985 conditions, 1049 events. 239/1049 cut-off events. For 47407/47411 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 10000 event pairs, 8 based on Foata normal form. 0/1049 useless extension candidates. Maximal degree in co-relation 11717. Up to 221 conditions per place. [2021-03-26 16:24:41,148 INFO L142 LiptonReduction]: Number of co-enabled transitions 148 [2021-03-26 16:24:41,262 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:41,263 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 16:24:41,263 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 267 [2021-03-26 16:24:41,263 INFO L480 AbstractCegarLoop]: Abstraction has has 293 places, 405 transitions, 9851 flow [2021-03-26 16:24:41,263 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 11.2) internal successors, (112), 10 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:41,263 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:41,263 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:41,464 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-03-26 16:24:41,465 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:41,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:41,465 INFO L82 PathProgramCache]: Analyzing trace with hash -950680752, now seen corresponding path program 1 times [2021-03-26 16:24:41,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:41,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803521119] [2021-03-26 16:24:41,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:41,481 INFO L142 QuantifierPusher]: treesize reduction 48, result has 39.2 percent of original size [2021-03-26 16:24:41,482 INFO L147 QuantifierPusher]: treesize reduction 7, result has 77.4 percent of original size 24 [2021-03-26 16:24:41,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 16:24:41,511 INFO L142 QuantifierPusher]: treesize reduction 35, result has 51.4 percent of original size [2021-03-26 16:24:41,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:24:41,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:41,540 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-26 16:24:41,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:41,548 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:41,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803521119] [2021-03-26 16:24:41,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507769135] [2021-03-26 16:24:41,548 INFO L95 rtionOrderModulation]: Keeping assertion order 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 [2021-03-26 16:24:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:41,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-26 16:24:41,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:24:41,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:41,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:41,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:41,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:41,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:41,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:41,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:41,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:41,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,576 INFO L147 QuantifierPusher]: treesize reduction 5, result has 76.2 percent of original size 16 [2021-03-26 16:24:41,576 INFO L142 QuantifierPusher]: treesize reduction 5, result has 76.2 percent of original size [2021-03-26 16:24:41,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:24:41,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:24:41,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:24:41,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:24:41,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:24:41,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:24:41,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:24:41,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,595 INFO L147 QuantifierPusher]: treesize reduction 13, result has 43.5 percent of original size 10 [2021-03-26 16:24:41,596 INFO L142 QuantifierPusher]: treesize reduction 13, result has 43.5 percent of original size [2021-03-26 16:24:41,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:41,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:41,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:41,609 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-26 16:24:41,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:24:41,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:24:41,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:24:41,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:24:41,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:41,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:41,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:41,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:41,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:41,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:41,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:41,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:41,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:41,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:41,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:41,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:41,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:41,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:41,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:41,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:41,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:41,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:41,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:41,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:41,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:41,642 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:41,642 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:41,642 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-26 16:24:41,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941419650] [2021-03-26 16:24:41,642 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 16:24:41,642 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:41,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 16:24:41,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-03-26 16:24:41,643 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 48 [2021-03-26 16:24:41,643 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 405 transitions, 9851 flow. Second operand has 11 states, 11 states have (on average 12.181818181818182) internal successors, (134), 11 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:41,643 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:41,643 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 48 [2021-03-26 16:24:41,643 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:42,058 INFO L129 PetriNetUnfolder]: 245/1062 cut-off events. [2021-03-26 16:24:42,058 INFO L130 PetriNetUnfolder]: For 49886/49894 co-relation queries the response was YES. [2021-03-26 16:24:42,065 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13073 conditions, 1062 events. 245/1062 cut-off events. For 49886/49894 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 10081 event pairs, 9 based on Foata normal form. 10/1072 useless extension candidates. Maximal degree in co-relation 12774. Up to 811 conditions per place. [2021-03-26 16:24:42,068 INFO L132 encePairwiseOnDemand]: 37/48 looper letters, 388 selfloop transitions, 24 changer transitions 0/416 dead transitions. [2021-03-26 16:24:42,069 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 416 transitions, 11017 flow [2021-03-26 16:24:42,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 16:24:42,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 16:24:42,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 125 transitions. [2021-03-26 16:24:42,069 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3255208333333333 [2021-03-26 16:24:42,069 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 125 transitions. [2021-03-26 16:24:42,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 125 transitions. [2021-03-26 16:24:42,070 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:42,070 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 125 transitions. [2021-03-26 16:24:42,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 15.625) internal successors, (125), 8 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:42,070 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 48.0) internal successors, (432), 9 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:42,070 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 48.0) internal successors, (432), 9 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:42,070 INFO L185 Difference]: Start difference. First operand has 293 places, 405 transitions, 9851 flow. Second operand 8 states and 125 transitions. [2021-03-26 16:24:42,070 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 416 transitions, 11017 flow [2021-03-26 16:24:42,304 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 416 transitions, 10830 flow, removed 40 selfloop flow, removed 6 redundant places. [2021-03-26 16:24:42,311 INFO L241 Difference]: Finished difference. Result has 296 places, 413 transitions, 9959 flow [2021-03-26 16:24:42,311 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=9666, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=405, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=382, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=9959, PETRI_PLACES=296, PETRI_TRANSITIONS=413} [2021-03-26 16:24:42,311 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 281 predicate places. [2021-03-26 16:24:42,311 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:42,311 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 296 places, 413 transitions, 9959 flow [2021-03-26 16:24:42,312 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 296 places, 413 transitions, 9959 flow [2021-03-26 16:24:42,315 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 296 places, 413 transitions, 9959 flow [2021-03-26 16:24:42,450 INFO L129 PetriNetUnfolder]: 245/1063 cut-off events. [2021-03-26 16:24:42,451 INFO L130 PetriNetUnfolder]: For 49547/49551 co-relation queries the response was YES. [2021-03-26 16:24:42,456 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12158 conditions, 1063 events. 245/1063 cut-off events. For 49547/49551 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 10104 event pairs, 9 based on Foata normal form. 0/1063 useless extension candidates. Maximal degree in co-relation 11844. Up to 225 conditions per place. [2021-03-26 16:24:42,463 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 16:24:42,559 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:42,559 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 16:24:42,560 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 249 [2021-03-26 16:24:42,560 INFO L480 AbstractCegarLoop]: Abstraction has has 296 places, 413 transitions, 9973 flow [2021-03-26 16:24:42,560 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 12.181818181818182) internal successors, (134), 11 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:42,560 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:42,560 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:42,760 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-03-26 16:24:42,761 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:42,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:42,761 INFO L82 PathProgramCache]: Analyzing trace with hash 210813275, now seen corresponding path program 1 times [2021-03-26 16:24:42,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:42,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953164150] [2021-03-26 16:24:42,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:42,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:42,765 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:42,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:42,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:42,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:42,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:42,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:42,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:42,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:42,776 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:42,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953164150] [2021-03-26 16:24:42,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 16:24:42,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 16:24:42,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964800200] [2021-03-26 16:24:42,776 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 16:24:42,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:42,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 16:24:42,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 16:24:42,777 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 49 [2021-03-26 16:24:42,777 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 413 transitions, 9973 flow. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:42,777 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:42,777 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 49 [2021-03-26 16:24:42,777 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:43,069 INFO L129 PetriNetUnfolder]: 243/1065 cut-off events. [2021-03-26 16:24:43,070 INFO L130 PetriNetUnfolder]: For 49482/49482 co-relation queries the response was YES. [2021-03-26 16:24:43,076 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12848 conditions, 1065 events. 243/1065 cut-off events. For 49482/49482 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 10110 event pairs, 0 based on Foata normal form. 1/1066 useless extension candidates. Maximal degree in co-relation 12615. Up to 385 conditions per place. [2021-03-26 16:24:43,080 INFO L132 encePairwiseOnDemand]: 36/49 looper letters, 353 selfloop transitions, 62 changer transitions 2/422 dead transitions. [2021-03-26 16:24:43,080 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 422 transitions, 11173 flow [2021-03-26 16:24:43,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 16:24:43,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 16:24:43,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 108 transitions. [2021-03-26 16:24:43,081 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3673469387755102 [2021-03-26 16:24:43,081 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 108 transitions. [2021-03-26 16:24:43,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 108 transitions. [2021-03-26 16:24:43,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:43,081 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 108 transitions. [2021-03-26 16:24:43,082 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 18.0) internal successors, (108), 6 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) [2021-03-26 16:24:43,082 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) [2021-03-26 16:24:43,082 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) [2021-03-26 16:24:43,082 INFO L185 Difference]: Start difference. First operand has 296 places, 413 transitions, 9973 flow. Second operand 6 states and 108 transitions. [2021-03-26 16:24:43,082 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 422 transitions, 11173 flow [2021-03-26 16:24:43,303 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 422 transitions, 11039 flow, removed 55 selfloop flow, removed 5 redundant places. [2021-03-26 16:24:43,310 INFO L241 Difference]: Finished difference. Result has 295 places, 409 transitions, 9877 flow [2021-03-26 16:24:43,311 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=9807, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=411, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=9877, PETRI_PLACES=295, PETRI_TRANSITIONS=409} [2021-03-26 16:24:43,311 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 280 predicate places. [2021-03-26 16:24:43,311 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:43,311 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 295 places, 409 transitions, 9877 flow [2021-03-26 16:24:43,311 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 295 places, 409 transitions, 9877 flow [2021-03-26 16:24:43,314 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 292 places, 409 transitions, 9877 flow [2021-03-26 16:24:43,477 INFO L129 PetriNetUnfolder]: 243/1054 cut-off events. [2021-03-26 16:24:43,477 INFO L130 PetriNetUnfolder]: For 51405/51405 co-relation queries the response was YES. [2021-03-26 16:24:43,484 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12175 conditions, 1054 events. 243/1054 cut-off events. For 51405/51405 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 10037 event pairs, 9 based on Foata normal form. 0/1054 useless extension candidates. Maximal degree in co-relation 11977. Up to 224 conditions per place. [2021-03-26 16:24:43,494 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 16:24:43,516 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:43,516 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:24:43,517 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 206 [2021-03-26 16:24:43,517 INFO L480 AbstractCegarLoop]: Abstraction has has 292 places, 409 transitions, 9877 flow [2021-03-26 16:24:43,517 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:43,517 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:43,517 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:43,517 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-03-26 16:24:43,517 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:43,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:43,518 INFO L82 PathProgramCache]: Analyzing trace with hash -813269106, now seen corresponding path program 1 times [2021-03-26 16:24:43,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:43,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241343883] [2021-03-26 16:24:43,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:43,525 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:43,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:43,531 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:43,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:43,537 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:43,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:43,543 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:43,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:43,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:43,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:43,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:43,559 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:43,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241343883] [2021-03-26 16:24:43,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791293921] [2021-03-26 16:24:43,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-26 16:24:43,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:43,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 16:24:43,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:24:43,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:43,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:43,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:43,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:43,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:43,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:43,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:43,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:43,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:43,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:43,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:43,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:43,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:43,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:43,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:43,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:43,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:43,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:43,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:43,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:43,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:43,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:43,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:43,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:43,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:43,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:43,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:43,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:43,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:43,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:43,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:43,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:43,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:43,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:43,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:43,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:43,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:43,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:43,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:43,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:43,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:43,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:43,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:43,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:43,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:43,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:43,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:43,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:43,657 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 16:24:43,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:43,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:43,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:43,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:24:43,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:43,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:43,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:43,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:43,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:43,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:43,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:43,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:43,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:43,665 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:43,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:43,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-03-26 16:24:43,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861814019] [2021-03-26 16:24:43,665 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 16:24:43,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:43,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 16:24:43,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-03-26 16:24:43,666 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 49 [2021-03-26 16:24:43,666 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 409 transitions, 9877 flow. Second operand has 13 states, 13 states have (on average 14.076923076923077) internal successors, (183), 13 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:43,666 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:43,666 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 49 [2021-03-26 16:24:43,666 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:44,357 INFO L129 PetriNetUnfolder]: 309/1343 cut-off events. [2021-03-26 16:24:44,357 INFO L130 PetriNetUnfolder]: For 79127/79134 co-relation queries the response was YES. [2021-03-26 16:24:44,366 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16814 conditions, 1343 events. 309/1343 cut-off events. For 79127/79134 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 13391 event pairs, 12 based on Foata normal form. 45/1388 useless extension candidates. Maximal degree in co-relation 16554. Up to 462 conditions per place. [2021-03-26 16:24:44,371 INFO L132 encePairwiseOnDemand]: 30/49 looper letters, 335 selfloop transitions, 221 changer transitions 2/563 dead transitions. [2021-03-26 16:24:44,371 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 563 transitions, 15450 flow [2021-03-26 16:24:44,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-26 16:24:44,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-03-26 16:24:44,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 367 transitions. [2021-03-26 16:24:44,372 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3404452690166976 [2021-03-26 16:24:44,372 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 367 transitions. [2021-03-26 16:24:44,372 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 367 transitions. [2021-03-26 16:24:44,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:44,374 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 367 transitions. [2021-03-26 16:24:44,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 16.681818181818183) internal successors, (367), 22 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:44,376 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 49.0) internal successors, (1127), 23 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:44,376 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 49.0) internal successors, (1127), 23 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:44,376 INFO L185 Difference]: Start difference. First operand has 292 places, 409 transitions, 9877 flow. Second operand 22 states and 367 transitions. [2021-03-26 16:24:44,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 563 transitions, 15450 flow [2021-03-26 16:24:44,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 563 transitions, 15339 flow, removed 11 selfloop flow, removed 3 redundant places. [2021-03-26 16:24:44,665 INFO L241 Difference]: Finished difference. Result has 319 places, 492 transitions, 12854 flow [2021-03-26 16:24:44,666 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=9730, PETRI_DIFFERENCE_MINUEND_PLACES=289, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=407, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=148, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=12854, PETRI_PLACES=319, PETRI_TRANSITIONS=492} [2021-03-26 16:24:44,666 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 304 predicate places. [2021-03-26 16:24:44,666 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:44,666 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 319 places, 492 transitions, 12854 flow [2021-03-26 16:24:44,666 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 319 places, 492 transitions, 12854 flow [2021-03-26 16:24:44,672 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 319 places, 492 transitions, 12854 flow [2021-03-26 16:24:44,892 INFO L129 PetriNetUnfolder]: 309/1336 cut-off events. [2021-03-26 16:24:44,893 INFO L130 PetriNetUnfolder]: For 83508/83518 co-relation queries the response was YES. [2021-03-26 16:24:44,901 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17192 conditions, 1336 events. 309/1336 cut-off events. For 83508/83518 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 13402 event pairs, 12 based on Foata normal form. 0/1336 useless extension candidates. Maximal degree in co-relation 16925. Up to 290 conditions per place. [2021-03-26 16:24:44,912 INFO L142 LiptonReduction]: Number of co-enabled transitions 160 [2021-03-26 16:24:44,936 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:44,937 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:24:44,937 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 271 [2021-03-26 16:24:44,937 INFO L480 AbstractCegarLoop]: Abstraction has has 319 places, 492 transitions, 12854 flow [2021-03-26 16:24:44,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 14.076923076923077) internal successors, (183), 13 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:44,937 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:44,937 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:45,140 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-03-26 16:24:45,140 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:45,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:45,141 INFO L82 PathProgramCache]: Analyzing trace with hash 1806268951, now seen corresponding path program 1 times [2021-03-26 16:24:45,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:45,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018189213] [2021-03-26 16:24:45,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:45,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:45,155 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:45,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:45,159 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:45,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:45,164 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:45,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:45,171 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:45,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:45,177 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:45,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:45,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:45,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:45,190 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:45,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018189213] [2021-03-26 16:24:45,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477040189] [2021-03-26 16:24:45,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:24:45,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:45,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 16:24:45,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:24:45,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:45,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:45,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:45,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:45,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:45,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:45,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:45,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:45,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:45,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:45,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:45,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:45,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:45,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:45,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:45,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:45,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:45,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:45,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:45,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:45,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:45,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:45,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:45,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:45,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:24:45,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:45,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:45,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:45,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:45,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:45,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:45,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:45,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:45,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:45,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:45,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:45,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:45,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:45,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:45,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:45,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:45,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:45,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:45,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:45,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:45,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:45,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:45,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:45,298 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 16:24:45,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:45,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:45,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:45,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:24:45,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:45,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:45,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:45,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:45,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:45,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:45,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:45,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:45,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:45,305 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:45,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:45,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-03-26 16:24:45,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028168149] [2021-03-26 16:24:45,305 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 16:24:45,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:45,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 16:24:45,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-03-26 16:24:45,306 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 49 [2021-03-26 16:24:45,306 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 492 transitions, 12854 flow. Second operand has 13 states, 13 states have (on average 14.076923076923077) internal successors, (183), 13 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:45,306 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:45,306 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 49 [2021-03-26 16:24:45,307 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:46,126 INFO L129 PetriNetUnfolder]: 319/1372 cut-off events. [2021-03-26 16:24:46,127 INFO L130 PetriNetUnfolder]: For 90071/90071 co-relation queries the response was YES. [2021-03-26 16:24:46,138 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18786 conditions, 1372 events. 319/1372 cut-off events. For 90071/90071 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 13749 event pairs, 12 based on Foata normal form. 7/1379 useless extension candidates. Maximal degree in co-relation 18510. Up to 656 conditions per place. [2021-03-26 16:24:46,143 INFO L132 encePairwiseOnDemand]: 32/49 looper letters, 342 selfloop transitions, 196 changer transitions 1/544 dead transitions. [2021-03-26 16:24:46,143 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 544 transitions, 15788 flow [2021-03-26 16:24:46,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-26 16:24:46,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-03-26 16:24:46,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 377 transitions. [2021-03-26 16:24:46,145 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.33451641526175685 [2021-03-26 16:24:46,145 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 377 transitions. [2021-03-26 16:24:46,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 377 transitions. [2021-03-26 16:24:46,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:46,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 377 transitions. [2021-03-26 16:24:46,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 16.391304347826086) internal successors, (377), 23 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:46,147 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) [2021-03-26 16:24:46,147 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) [2021-03-26 16:24:46,148 INFO L185 Difference]: Start difference. First operand has 319 places, 492 transitions, 12854 flow. Second operand 23 states and 377 transitions. [2021-03-26 16:24:46,148 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 544 transitions, 15788 flow [2021-03-26 16:24:46,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 544 transitions, 14850 flow, removed 453 selfloop flow, removed 7 redundant places. [2021-03-26 16:24:46,754 INFO L241 Difference]: Finished difference. Result has 340 places, 517 transitions, 13349 flow [2021-03-26 16:24:46,755 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=12024, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=492, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=172, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=13349, PETRI_PLACES=340, PETRI_TRANSITIONS=517} [2021-03-26 16:24:46,755 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 325 predicate places. [2021-03-26 16:24:46,755 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:46,755 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 340 places, 517 transitions, 13349 flow [2021-03-26 16:24:46,755 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 340 places, 517 transitions, 13349 flow [2021-03-26 16:24:46,761 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 340 places, 517 transitions, 13349 flow [2021-03-26 16:24:47,013 INFO L129 PetriNetUnfolder]: 319/1381 cut-off events. [2021-03-26 16:24:47,013 INFO L130 PetriNetUnfolder]: For 94197/94197 co-relation queries the response was YES. [2021-03-26 16:24:47,023 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17926 conditions, 1381 events. 319/1381 cut-off events. For 94197/94197 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 13995 event pairs, 12 based on Foata normal form. 0/1381 useless extension candidates. Maximal degree in co-relation 17653. Up to 292 conditions per place. [2021-03-26 16:24:47,033 INFO L142 LiptonReduction]: Number of co-enabled transitions 160 [2021-03-26 16:24:47,062 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:47,062 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:24:47,062 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 307 [2021-03-26 16:24:47,063 INFO L480 AbstractCegarLoop]: Abstraction has has 340 places, 517 transitions, 13349 flow [2021-03-26 16:24:47,063 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 14.076923076923077) internal successors, (183), 13 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:47,063 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:47,063 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:47,264 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-03-26 16:24:47,265 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:47,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:47,265 INFO L82 PathProgramCache]: Analyzing trace with hash 933703751, now seen corresponding path program 1 times [2021-03-26 16:24:47,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:47,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627455115] [2021-03-26 16:24:47,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:47,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:47,274 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:47,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:47,279 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:47,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:47,285 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:47,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:47,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:47,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:47,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:47,299 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:47,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627455115] [2021-03-26 16:24:47,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787479296] [2021-03-26 16:24:47,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-26 16:24:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:47,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 16:24:47,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:24:47,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:47,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:47,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:47,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:47,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:47,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:47,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:47,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:47,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:47,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:47,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:47,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:47,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:47,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:47,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:47,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:47,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:47,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:47,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:47,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:47,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:47,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:47,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:47,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:47,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:47,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:47,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:47,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:47,359 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-26 16:24:47,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:24:47,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:47,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:47,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:47,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:47,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:47,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:47,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:47,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:47,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:47,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:47,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:47,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:47,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:47,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:47,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:47,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:24:47,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:47,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:47,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:47,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:24:47,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:24:47,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:47,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:47,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:47,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:47,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:47,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:47,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:47,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:47,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:47,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:47,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:47,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:47,401 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:47,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:47,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-03-26 16:24:47,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792304150] [2021-03-26 16:24:47,401 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 16:24:47,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:47,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 16:24:47,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-03-26 16:24:47,402 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 49 [2021-03-26 16:24:47,402 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 517 transitions, 13349 flow. Second operand has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 12 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:47,402 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:47,402 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 49 [2021-03-26 16:24:47,402 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:48,133 INFO L129 PetriNetUnfolder]: 347/1523 cut-off events. [2021-03-26 16:24:48,134 INFO L130 PetriNetUnfolder]: For 114087/114093 co-relation queries the response was YES. [2021-03-26 16:24:48,143 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21309 conditions, 1523 events. 347/1523 cut-off events. For 114087/114093 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 15722 event pairs, 0 based on Foata normal form. 16/1539 useless extension candidates. Maximal degree in co-relation 21027. Up to 464 conditions per place. [2021-03-26 16:24:48,149 INFO L132 encePairwiseOnDemand]: 32/49 looper letters, 408 selfloop transitions, 171 changer transitions 6/590 dead transitions. [2021-03-26 16:24:48,149 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 590 transitions, 17379 flow [2021-03-26 16:24:48,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 16:24:48,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 16:24:48,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 278 transitions. [2021-03-26 16:24:48,150 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.33373349339735897 [2021-03-26 16:24:48,150 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 278 transitions. [2021-03-26 16:24:48,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 278 transitions. [2021-03-26 16:24:48,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:48,151 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 278 transitions. [2021-03-26 16:24:48,151 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 16.352941176470587) internal successors, (278), 17 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:48,152 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) [2021-03-26 16:24:48,152 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) [2021-03-26 16:24:48,152 INFO L185 Difference]: Start difference. First operand has 340 places, 517 transitions, 13349 flow. Second operand 17 states and 278 transitions. [2021-03-26 16:24:48,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 590 transitions, 17379 flow [2021-03-26 16:24:48,717 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 590 transitions, 17112 flow, removed 108 selfloop flow, removed 9 redundant places. [2021-03-26 16:24:48,731 INFO L241 Difference]: Finished difference. Result has 357 places, 552 transitions, 15319 flow [2021-03-26 16:24:48,732 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=13036, PETRI_DIFFERENCE_MINUEND_PLACES=331, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=515, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=135, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=15319, PETRI_PLACES=357, PETRI_TRANSITIONS=552} [2021-03-26 16:24:48,732 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 342 predicate places. [2021-03-26 16:24:48,732 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:48,732 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 357 places, 552 transitions, 15319 flow [2021-03-26 16:24:48,732 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 357 places, 552 transitions, 15319 flow [2021-03-26 16:24:48,739 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 355 places, 552 transitions, 15319 flow [2021-03-26 16:24:49,111 INFO L129 PetriNetUnfolder]: 346/1510 cut-off events. [2021-03-26 16:24:49,111 INFO L130 PetriNetUnfolder]: For 128058/128068 co-relation queries the response was YES. [2021-03-26 16:24:49,129 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21220 conditions, 1510 events. 346/1510 cut-off events. For 128058/128068 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 15644 event pairs, 11 based on Foata normal form. 0/1510 useless extension candidates. Maximal degree in co-relation 20924. Up to 329 conditions per place. [2021-03-26 16:24:49,150 INFO L142 LiptonReduction]: Number of co-enabled transitions 168 [2021-03-26 16:24:49,198 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:49,198 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:24:49,199 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 467 [2021-03-26 16:24:49,199 INFO L480 AbstractCegarLoop]: Abstraction has has 355 places, 552 transitions, 15319 flow [2021-03-26 16:24:49,199 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 12 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:49,199 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:49,199 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:49,415 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:24:49,416 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:49,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:49,416 INFO L82 PathProgramCache]: Analyzing trace with hash 2015817044, now seen corresponding path program 1 times [2021-03-26 16:24:49,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:49,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173859384] [2021-03-26 16:24:49,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:49,438 INFO L142 QuantifierPusher]: treesize reduction 44, result has 30.2 percent of original size [2021-03-26 16:24:49,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:24:49,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 16:24:49,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 16:24:49,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:24:49,485 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-26 16:24:49,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:49,492 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:49,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173859384] [2021-03-26 16:24:49,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072128477] [2021-03-26 16:24:49,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-26 16:24:49,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:49,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-26 16:24:49,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:24:49,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:49,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:49,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:49,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:49,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:49,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:49,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:49,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:49,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,524 INFO L147 QuantifierPusher]: treesize reduction 5, result has 76.2 percent of original size 16 [2021-03-26 16:24:49,524 INFO L142 QuantifierPusher]: treesize reduction 5, result has 76.2 percent of original size [2021-03-26 16:24:49,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:24:49,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:24:49,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:24:49,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,536 INFO L147 QuantifierPusher]: treesize reduction 3, result has 84.2 percent of original size 16 [2021-03-26 16:24:49,537 INFO L142 QuantifierPusher]: treesize reduction 3, result has 84.2 percent of original size [2021-03-26 16:24:49,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:24:49,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:24:49,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:24:49,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:24:49,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:24:49,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:24:49,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:24:49,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:24:49,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:24:49,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:24:49,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:24:49,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:24:49,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:24:49,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:24:49,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:24:49,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,554 INFO L147 QuantifierPusher]: treesize reduction 6, result has 76.0 percent of original size 19 [2021-03-26 16:24:49,554 INFO L142 QuantifierPusher]: treesize reduction 6, result has 76.0 percent of original size [2021-03-26 16:24:49,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:24:49,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:24:49,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:24:49,565 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size [2021-03-26 16:24:49,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:49,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:49,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:49,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:49,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:49,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:49,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:49,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2021-03-26 16:24:49,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:49,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:49,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:24:49,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:49,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:49,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:24:49,572 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 16:24:49,573 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:49,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:49,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:24:49,574 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 16:24:49,574 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:5 [2021-03-26 16:24:49,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:49,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:49,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:24:49,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:49,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:49,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:24:49,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:49,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:49,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:49,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:49,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:49,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:49,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:49,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:49,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:49,585 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:49,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:49,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-26 16:24:49,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384102803] [2021-03-26 16:24:49,586 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 16:24:49,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:49,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 16:24:49,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-03-26 16:24:49,586 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 49 [2021-03-26 16:24:49,586 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 552 transitions, 15319 flow. Second operand has 11 states, 11 states have (on average 12.272727272727273) internal successors, (135), 11 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:49,587 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:49,587 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 49 [2021-03-26 16:24:49,587 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:50,310 INFO L129 PetriNetUnfolder]: 348/1507 cut-off events. [2021-03-26 16:24:50,310 INFO L130 PetriNetUnfolder]: For 130311/130318 co-relation queries the response was YES. [2021-03-26 16:24:50,322 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22497 conditions, 1507 events. 348/1507 cut-off events. For 130311/130318 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 15463 event pairs, 11 based on Foata normal form. 10/1517 useless extension candidates. Maximal degree in co-relation 22191. Up to 1161 conditions per place. [2021-03-26 16:24:50,328 INFO L132 encePairwiseOnDemand]: 35/49 looper letters, 526 selfloop transitions, 33 changer transitions 4/567 dead transitions. [2021-03-26 16:24:50,328 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 567 transitions, 16921 flow [2021-03-26 16:24:50,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 16:24:50,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 16:24:50,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 138 transitions. [2021-03-26 16:24:50,329 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3129251700680272 [2021-03-26 16:24:50,329 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 138 transitions. [2021-03-26 16:24:50,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 138 transitions. [2021-03-26 16:24:50,329 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:50,329 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 138 transitions. [2021-03-26 16:24:50,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 15.333333333333334) internal successors, (138), 9 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) [2021-03-26 16:24:50,330 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) [2021-03-26 16:24:50,330 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) [2021-03-26 16:24:50,330 INFO L185 Difference]: Start difference. First operand has 355 places, 552 transitions, 15319 flow. Second operand 9 states and 138 transitions. [2021-03-26 16:24:50,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 567 transitions, 16921 flow [2021-03-26 16:24:50,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 567 transitions, 16227 flow, removed 335 selfloop flow, removed 4 redundant places. [2021-03-26 16:24:50,889 INFO L241 Difference]: Finished difference. Result has 362 places, 560 transitions, 14950 flow [2021-03-26 16:24:50,890 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=14629, PETRI_DIFFERENCE_MINUEND_PLACES=351, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=552, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=519, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=14950, PETRI_PLACES=362, PETRI_TRANSITIONS=560} [2021-03-26 16:24:50,890 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 347 predicate places. [2021-03-26 16:24:50,890 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:50,890 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 362 places, 560 transitions, 14950 flow [2021-03-26 16:24:50,890 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 362 places, 560 transitions, 14950 flow [2021-03-26 16:24:50,896 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 362 places, 560 transitions, 14950 flow [2021-03-26 16:24:51,175 INFO L129 PetriNetUnfolder]: 348/1523 cut-off events. [2021-03-26 16:24:51,175 INFO L130 PetriNetUnfolder]: For 120370/120380 co-relation queries the response was YES. [2021-03-26 16:24:51,193 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20732 conditions, 1523 events. 348/1523 cut-off events. For 120370/120380 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 15809 event pairs, 11 based on Foata normal form. 0/1523 useless extension candidates. Maximal degree in co-relation 20431. Up to 328 conditions per place. [2021-03-26 16:24:51,263 INFO L142 LiptonReduction]: Number of co-enabled transitions 180 [2021-03-26 16:24:51,435 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 16:24:51,436 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 16:24:51,436 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 546 [2021-03-26 16:24:51,436 INFO L480 AbstractCegarLoop]: Abstraction has has 361 places, 559 transitions, 14956 flow [2021-03-26 16:24:51,436 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 12.272727272727273) internal successors, (135), 11 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:51,436 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:51,436 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:51,638 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2021-03-26 16:24:51,639 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:51,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:51,639 INFO L82 PathProgramCache]: Analyzing trace with hash 462340502, now seen corresponding path program 1 times [2021-03-26 16:24:51,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:51,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460222032] [2021-03-26 16:24:51,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:51,646 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:51,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:51,651 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:51,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:51,657 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:51,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:51,662 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:51,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:51,663 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:51,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:51,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:51,669 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:51,669 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460222032] [2021-03-26 16:24:51,669 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987705317] [2021-03-26 16:24:51,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-26 16:24:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:51,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 16:24:51,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:24:51,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:51,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:51,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:51,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:51,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:51,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:51,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:51,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:51,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:51,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:51,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:51,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:51,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:51,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:51,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:51,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:51,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:51,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:51,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:51,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:51,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:51,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:51,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:51,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:51,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:51,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:51,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:51,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:51,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:51,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:51,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:51,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:51,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:51,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:51,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:51,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:51,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:51,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:51,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:51,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:51,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:51,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:51,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:51,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:51,756 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 16:24:51,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:51,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:51,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:51,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:24:51,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:51,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:51,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:51,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:51,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:51,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:51,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:51,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:51,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:51,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:51,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:51,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:51,764 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:51,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:51,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2021-03-26 16:24:51,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106168858] [2021-03-26 16:24:51,764 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 16:24:51,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:51,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 16:24:51,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-03-26 16:24:51,765 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 51 [2021-03-26 16:24:51,765 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 559 transitions, 14956 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) [2021-03-26 16:24:51,766 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:51,766 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 51 [2021-03-26 16:24:51,766 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:52,675 INFO L129 PetriNetUnfolder]: 393/1747 cut-off events. [2021-03-26 16:24:52,676 INFO L130 PetriNetUnfolder]: For 157496/157503 co-relation queries the response was YES. [2021-03-26 16:24:52,690 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26065 conditions, 1747 events. 393/1747 cut-off events. For 157496/157503 co-relation queries the response was YES. Maximal size of possible extension queue 237. Compared 18496 event pairs, 16 based on Foata normal form. 33/1780 useless extension candidates. Maximal degree in co-relation 25755. Up to 504 conditions per place. [2021-03-26 16:24:52,696 INFO L132 encePairwiseOnDemand]: 33/51 looper letters, 330 selfloop transitions, 320 changer transitions 0/655 dead transitions. [2021-03-26 16:24:52,696 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 655 transitions, 19534 flow [2021-03-26 16:24:52,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 16:24:52,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 16:24:52,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 300 transitions. [2021-03-26 16:24:52,698 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32679738562091504 [2021-03-26 16:24:52,698 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 300 transitions. [2021-03-26 16:24:52,698 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 300 transitions. [2021-03-26 16:24:52,698 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:52,698 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 300 transitions. [2021-03-26 16:24:52,698 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 16.666666666666668) internal successors, (300), 18 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) [2021-03-26 16:24:52,699 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 51.0) internal successors, (969), 19 states have internal predecessors, (969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:52,699 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 51.0) internal successors, (969), 19 states have internal predecessors, (969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:52,699 INFO L185 Difference]: Start difference. First operand has 361 places, 559 transitions, 14956 flow. Second operand 18 states and 300 transitions. [2021-03-26 16:24:52,699 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 655 transitions, 19534 flow [2021-03-26 16:24:53,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 655 transitions, 19333 flow, removed 42 selfloop flow, removed 6 redundant places. [2021-03-26 16:24:53,417 INFO L241 Difference]: Finished difference. Result has 377 places, 610 transitions, 17533 flow [2021-03-26 16:24:53,418 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=14475, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=549, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=266, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=254, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=17533, PETRI_PLACES=377, PETRI_TRANSITIONS=610} [2021-03-26 16:24:53,418 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 362 predicate places. [2021-03-26 16:24:53,418 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:53,418 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 377 places, 610 transitions, 17533 flow [2021-03-26 16:24:53,418 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 377 places, 610 transitions, 17533 flow [2021-03-26 16:24:53,424 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 377 places, 610 transitions, 17533 flow [2021-03-26 16:24:53,766 INFO L129 PetriNetUnfolder]: 393/1769 cut-off events. [2021-03-26 16:24:53,766 INFO L130 PetriNetUnfolder]: For 163582/163603 co-relation queries the response was YES. [2021-03-26 16:24:53,780 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25836 conditions, 1769 events. 393/1769 cut-off events. For 163582/163603 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 18955 event pairs, 16 based on Foata normal form. 1/1770 useless extension candidates. Maximal degree in co-relation 25530. Up to 407 conditions per place. [2021-03-26 16:24:53,795 INFO L142 LiptonReduction]: Number of co-enabled transitions 192 [2021-03-26 16:24:53,835 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:53,835 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:24:53,835 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 417 [2021-03-26 16:24:53,835 INFO L480 AbstractCegarLoop]: Abstraction has has 377 places, 610 transitions, 17533 flow [2021-03-26 16:24:53,836 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) [2021-03-26 16:24:53,836 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:53,836 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:54,036 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2021-03-26 16:24:54,036 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:54,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:54,036 INFO L82 PathProgramCache]: Analyzing trace with hash -1093201172, now seen corresponding path program 1 times [2021-03-26 16:24:54,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:54,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040588392] [2021-03-26 16:24:54,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:54,051 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:54,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:54,056 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:54,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:54,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:54,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:54,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:54,070 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:54,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040588392] [2021-03-26 16:24:54,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1452382211] [2021-03-26 16:24:54,070 INFO L95 rtionOrderModulation]: Keeping assertion order 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 [2021-03-26 16:24:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:54,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 16:24:54,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:24:54,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:54,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:54,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:54,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:54,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:54,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:54,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:54,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:54,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:54,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:54,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:54,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:54,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:54,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:54,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:54,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:54,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:54,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:54,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:54,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:54,115 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-26 16:24:54,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:24:54,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:54,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:54,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:54,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:54,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:54,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:54,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:54,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:54,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:54,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:54,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:54,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:54,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:54,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:54,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:54,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:54,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:54,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:54,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:54,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:24:54,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:54,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:54,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:54,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:24:54,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:24:54,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:54,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:54,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:54,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:54,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:54,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:54,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:54,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:54,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:54,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:54,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:54,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-26 16:24:54,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431887054] [2021-03-26 16:24:54,152 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 16:24:54,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:54,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 16:24:54,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-03-26 16:24:54,153 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 51 [2021-03-26 16:24:54,153 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 610 transitions, 17533 flow. Second operand has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:54,153 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:54,153 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 51 [2021-03-26 16:24:54,153 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:55,061 INFO L129 PetriNetUnfolder]: 401/1834 cut-off events. [2021-03-26 16:24:55,061 INFO L130 PetriNetUnfolder]: For 177130/177136 co-relation queries the response was YES. [2021-03-26 16:24:55,076 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28439 conditions, 1834 events. 401/1834 cut-off events. For 177130/177136 co-relation queries the response was YES. Maximal size of possible extension queue 251. Compared 19750 event pairs, 0 based on Foata normal form. 7/1841 useless extension candidates. Maximal degree in co-relation 28124. Up to 513 conditions per place. [2021-03-26 16:24:55,083 INFO L132 encePairwiseOnDemand]: 35/51 looper letters, 496 selfloop transitions, 175 changer transitions 5/681 dead transitions. [2021-03-26 16:24:55,083 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 392 places, 681 transitions, 21746 flow [2021-03-26 16:24:55,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 16:24:55,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 16:24:55,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 258 transitions. [2021-03-26 16:24:55,084 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3161764705882353 [2021-03-26 16:24:55,084 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 258 transitions. [2021-03-26 16:24:55,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 258 transitions. [2021-03-26 16:24:55,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:55,084 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 258 transitions. [2021-03-26 16:24:55,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 16.125) internal successors, (258), 16 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) [2021-03-26 16:24:55,085 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 51.0) internal successors, (867), 17 states have internal predecessors, (867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:55,085 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 51.0) internal successors, (867), 17 states have internal predecessors, (867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:55,085 INFO L185 Difference]: Start difference. First operand has 377 places, 610 transitions, 17533 flow. Second operand 16 states and 258 transitions. [2021-03-26 16:24:55,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 392 places, 681 transitions, 21746 flow [2021-03-26 16:24:55,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 681 transitions, 21289 flow, removed 176 selfloop flow, removed 12 redundant places. [2021-03-26 16:24:55,785 INFO L241 Difference]: Finished difference. Result has 383 places, 632 transitions, 18510 flow [2021-03-26 16:24:55,786 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=17080, PETRI_DIFFERENCE_MINUEND_PLACES=365, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=609, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=151, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=445, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=18510, PETRI_PLACES=383, PETRI_TRANSITIONS=632} [2021-03-26 16:24:55,786 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 368 predicate places. [2021-03-26 16:24:55,786 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:55,786 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 383 places, 632 transitions, 18510 flow [2021-03-26 16:24:55,786 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 383 places, 632 transitions, 18510 flow [2021-03-26 16:24:55,792 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 382 places, 632 transitions, 18510 flow [2021-03-26 16:24:56,159 INFO L129 PetriNetUnfolder]: 400/1842 cut-off events. [2021-03-26 16:24:56,160 INFO L130 PetriNetUnfolder]: For 181692/181719 co-relation queries the response was YES. [2021-03-26 16:24:56,178 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27426 conditions, 1842 events. 400/1842 cut-off events. For 181692/181719 co-relation queries the response was YES. Maximal size of possible extension queue 256. Compared 20097 event pairs, 15 based on Foata normal form. 1/1843 useless extension candidates. Maximal degree in co-relation 26989. Up to 428 conditions per place. [2021-03-26 16:24:56,196 INFO L142 LiptonReduction]: Number of co-enabled transitions 194 [2021-03-26 16:24:56,238 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:56,239 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:24:56,239 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 453 [2021-03-26 16:24:56,239 INFO L480 AbstractCegarLoop]: Abstraction has has 382 places, 632 transitions, 18510 flow [2021-03-26 16:24:56,239 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:56,239 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:56,239 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:56,443 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:24:56,444 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:56,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:56,444 INFO L82 PathProgramCache]: Analyzing trace with hash 1610752783, now seen corresponding path program 1 times [2021-03-26 16:24:56,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:56,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790590013] [2021-03-26 16:24:56,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:56,452 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:56,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:56,456 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:56,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:56,462 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:56,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:56,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:56,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:56,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:56,481 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:56,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790590013] [2021-03-26 16:24:56,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [319468085] [2021-03-26 16:24:56,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-26 16:24:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:56,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 16:24:56,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:24:56,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:56,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:56,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:56,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:56,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:56,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:56,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:56,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:56,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:56,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:56,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:56,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:56,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:24:56,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:56,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:56,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:56,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:56,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:56,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:56,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:56,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:56,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:56,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:56,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:56,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:56,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:56,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:56,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:56,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:56,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:56,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:56,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:56,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:56,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:56,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:56,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:56,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:56,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:56,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:56,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:56,569 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 16:24:56,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:56,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:56,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:56,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:24:56,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:56,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:56,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:56,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:56,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:56,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:56,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:56,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:56,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:56,576 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:56,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:56,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-03-26 16:24:56,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106674374] [2021-03-26 16:24:56,576 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 16:24:56,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:56,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 16:24:56,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-03-26 16:24:56,577 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 51 [2021-03-26 16:24:56,577 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 632 transitions, 18510 flow. Second operand has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:56,577 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:56,577 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 51 [2021-03-26 16:24:56,577 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:24:57,369 INFO L129 PetriNetUnfolder]: 413/1852 cut-off events. [2021-03-26 16:24:57,369 INFO L130 PetriNetUnfolder]: For 184884/184884 co-relation queries the response was YES. [2021-03-26 16:24:57,387 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28926 conditions, 1852 events. 413/1852 cut-off events. For 184884/184884 co-relation queries the response was YES. Maximal size of possible extension queue 254. Compared 19951 event pairs, 15 based on Foata normal form. 10/1862 useless extension candidates. Maximal degree in co-relation 28487. Up to 1190 conditions per place. [2021-03-26 16:24:57,394 INFO L132 encePairwiseOnDemand]: 36/51 looper letters, 608 selfloop transitions, 48 changer transitions 0/661 dead transitions. [2021-03-26 16:24:57,394 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 661 transitions, 20566 flow [2021-03-26 16:24:57,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 16:24:57,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 16:24:57,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 169 transitions. [2021-03-26 16:24:57,395 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.33137254901960783 [2021-03-26 16:24:57,396 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 169 transitions. [2021-03-26 16:24:57,396 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 169 transitions. [2021-03-26 16:24:57,396 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:24:57,396 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 169 transitions. [2021-03-26 16:24:57,396 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 16.9) internal successors, (169), 10 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:57,397 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 51.0) internal successors, (561), 11 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:57,397 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 51.0) internal successors, (561), 11 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:57,397 INFO L185 Difference]: Start difference. First operand has 382 places, 632 transitions, 18510 flow. Second operand 10 states and 169 transitions. [2021-03-26 16:24:57,397 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 661 transitions, 20566 flow [2021-03-26 16:24:58,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 661 transitions, 20179 flow, removed 165 selfloop flow, removed 4 redundant places. [2021-03-26 16:24:58,186 INFO L241 Difference]: Finished difference. Result has 389 places, 647 transitions, 18656 flow [2021-03-26 16:24:58,186 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=18036, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=629, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=581, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=18656, PETRI_PLACES=389, PETRI_TRANSITIONS=647} [2021-03-26 16:24:58,186 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 374 predicate places. [2021-03-26 16:24:58,186 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:24:58,186 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 389 places, 647 transitions, 18656 flow [2021-03-26 16:24:58,186 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 389 places, 647 transitions, 18656 flow [2021-03-26 16:24:58,192 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 389 places, 647 transitions, 18656 flow [2021-03-26 16:24:58,580 INFO L129 PetriNetUnfolder]: 413/1864 cut-off events. [2021-03-26 16:24:58,580 INFO L130 PetriNetUnfolder]: For 181348/181348 co-relation queries the response was YES. [2021-03-26 16:24:58,594 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27627 conditions, 1864 events. 413/1864 cut-off events. For 181348/181348 co-relation queries the response was YES. Maximal size of possible extension queue 259. Compared 20323 event pairs, 15 based on Foata normal form. 0/1864 useless extension candidates. Maximal degree in co-relation 27240. Up to 429 conditions per place. [2021-03-26 16:24:58,611 INFO L142 LiptonReduction]: Number of co-enabled transitions 212 [2021-03-26 16:24:58,653 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:24:58,653 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:24:58,653 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 467 [2021-03-26 16:24:58,654 INFO L480 AbstractCegarLoop]: Abstraction has has 389 places, 647 transitions, 18656 flow [2021-03-26 16:24:58,654 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:58,654 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:24:58,654 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:24:58,871 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2021-03-26 16:24:58,872 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:24:58,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:24:58,872 INFO L82 PathProgramCache]: Analyzing trace with hash 361635268, now seen corresponding path program 1 times [2021-03-26 16:24:58,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:24:58,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783315172] [2021-03-26 16:24:58,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:24:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:58,878 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:24:58,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:58,883 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:58,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:58,888 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:24:58,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:58,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:24:58,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:24:58,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:58,903 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:58,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783315172] [2021-03-26 16:24:58,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701109338] [2021-03-26 16:24:58,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-26 16:24:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:24:58,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 16:24:58,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:24:58,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:58,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:58,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:58,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:58,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:58,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:58,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:58,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:58,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:58,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:58,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:58,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:58,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:58,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:58,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:58,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:58,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:58,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:58,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:58,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:58,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:58,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:58,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:58,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:58,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:58,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:24:58,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:58,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:58,963 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-26 16:24:58,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:24:58,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:58,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:24:58,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:24:58,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:58,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:58,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:58,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:58,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:58,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:58,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:24:58,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:24:58,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:58,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:58,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:58,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:58,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:24:58,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:58,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:24:58,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:24:58,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:24:58,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:24:58,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:58,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:58,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:58,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:58,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:58,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:58,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:58,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:58,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:58,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:58,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:24:58,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:24:58,994 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:24:58,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:24:58,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-03-26 16:24:58,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653460133] [2021-03-26 16:24:58,995 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 16:24:58,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:24:58,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 16:24:58,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-03-26 16:24:58,995 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 51 [2021-03-26 16:24:58,995 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 647 transitions, 18656 flow. Second operand has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 12 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:24:58,995 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:24:58,995 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 51 [2021-03-26 16:24:58,995 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:25:00,056 INFO L129 PetriNetUnfolder]: 462/2111 cut-off events. [2021-03-26 16:25:00,057 INFO L130 PetriNetUnfolder]: For 222736/222742 co-relation queries the response was YES. [2021-03-26 16:25:00,074 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33626 conditions, 2111 events. 462/2111 cut-off events. For 222736/222742 co-relation queries the response was YES. Maximal size of possible extension queue 302. Compared 23614 event pairs, 0 based on Foata normal form. 41/2152 useless extension candidates. Maximal degree in co-relation 33084. Up to 521 conditions per place. [2021-03-26 16:25:00,084 INFO L132 encePairwiseOnDemand]: 32/51 looper letters, 345 selfloop transitions, 455 changer transitions 9/814 dead transitions. [2021-03-26 16:25:00,084 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 408 places, 814 transitions, 26398 flow [2021-03-26 16:25:00,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-26 16:25:00,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-26 16:25:00,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 322 transitions. [2021-03-26 16:25:00,085 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3156862745098039 [2021-03-26 16:25:00,085 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 322 transitions. [2021-03-26 16:25:00,085 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 322 transitions. [2021-03-26 16:25:00,086 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:25:00,086 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 322 transitions. [2021-03-26 16:25:00,086 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 16.1) internal successors, (322), 20 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:00,087 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 51.0) internal successors, (1071), 21 states have internal predecessors, (1071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:00,087 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 51.0) internal successors, (1071), 21 states have internal predecessors, (1071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:00,088 INFO L185 Difference]: Start difference. First operand has 389 places, 647 transitions, 18656 flow. Second operand 20 states and 322 transitions. [2021-03-26 16:25:00,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 408 places, 814 transitions, 26398 flow [2021-03-26 16:25:01,072 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 405 places, 814 transitions, 26185 flow, removed 85 selfloop flow, removed 3 redundant places. [2021-03-26 16:25:01,088 INFO L241 Difference]: Finished difference. Result has 412 places, 752 transitions, 24028 flow [2021-03-26 16:25:01,089 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=18324, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=641, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=341, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=24028, PETRI_PLACES=412, PETRI_TRANSITIONS=752} [2021-03-26 16:25:01,089 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 397 predicate places. [2021-03-26 16:25:01,089 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:25:01,089 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 412 places, 752 transitions, 24028 flow [2021-03-26 16:25:01,089 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 412 places, 752 transitions, 24028 flow [2021-03-26 16:25:01,096 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 410 places, 752 transitions, 24028 flow [2021-03-26 16:25:01,584 INFO L129 PetriNetUnfolder]: 462/2122 cut-off events. [2021-03-26 16:25:01,584 INFO L130 PetriNetUnfolder]: For 240008/240034 co-relation queries the response was YES. [2021-03-26 16:25:01,603 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33907 conditions, 2122 events. 462/2122 cut-off events. For 240008/240034 co-relation queries the response was YES. Maximal size of possible extension queue 302. Compared 23916 event pairs, 8 based on Foata normal form. 1/2123 useless extension candidates. Maximal degree in co-relation 33350. Up to 521 conditions per place. [2021-03-26 16:25:01,624 INFO L142 LiptonReduction]: Number of co-enabled transitions 240 [2021-03-26 16:25:01,814 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:25:01,814 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 16:25:01,814 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 725 [2021-03-26 16:25:01,814 INFO L480 AbstractCegarLoop]: Abstraction has has 410 places, 752 transitions, 24054 flow [2021-03-26 16:25:01,814 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 12 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:01,815 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:25:01,815 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:25:02,016 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:25:02,017 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:25:02,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:25:02,017 INFO L82 PathProgramCache]: Analyzing trace with hash 50681994, now seen corresponding path program 1 times [2021-03-26 16:25:02,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:25:02,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434128640] [2021-03-26 16:25:02,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:25:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:25:02,023 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:25:02,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:02,028 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:25:02,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:02,033 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:25:02,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:02,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:25:02,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:25:02,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:25:02,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:02,055 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:25:02,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434128640] [2021-03-26 16:25:02,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752198973] [2021-03-26 16:25:02,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:25:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:25:02,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 16:25:02,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:25:02,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:02,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:02,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:02,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:02,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:02,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:02,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:02,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:02,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:02,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:02,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:02,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:02,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:02,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:02,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:02,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:02,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:02,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:02,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:25:02,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:02,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:02,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:25:02,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:02,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:02,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:02,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:02,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:02,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:02,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:02,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:02,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:02,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:02,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:02,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:02,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:02,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:02,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:02,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:02,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:25:02,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:02,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:02,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:25:02,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:02,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:02,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:02,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:02,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:25:02,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:02,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:02,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:25:02,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:02,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:02,141 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 16:25:02,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:02,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:02,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:02,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:25:02,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:02,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:02,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:02,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:02,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:02,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:02,146 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:25:02,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:25:02,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-03-26 16:25:02,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391910839] [2021-03-26 16:25:02,146 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 16:25:02,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:25:02,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 16:25:02,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-03-26 16:25:02,147 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 52 [2021-03-26 16:25:02,147 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 410 places, 752 transitions, 24054 flow. Second operand has 13 states, 13 states have (on average 14.076923076923077) internal successors, (183), 13 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:02,147 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:25:02,147 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 52 [2021-03-26 16:25:02,147 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:25:03,295 INFO L129 PetriNetUnfolder]: 478/2160 cut-off events. [2021-03-26 16:25:03,295 INFO L130 PetriNetUnfolder]: For 241319/241319 co-relation queries the response was YES. [2021-03-26 16:25:03,318 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35876 conditions, 2160 events. 478/2160 cut-off events. For 241319/241319 co-relation queries the response was YES. Maximal size of possible extension queue 308. Compared 24196 event pairs, 8 based on Foata normal form. 1/2161 useless extension candidates. Maximal degree in co-relation 35303. Up to 1390 conditions per place. [2021-03-26 16:25:03,328 INFO L132 encePairwiseOnDemand]: 38/52 looper letters, 735 selfloop transitions, 52 changer transitions 0/792 dead transitions. [2021-03-26 16:25:03,328 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 420 places, 792 transitions, 26709 flow [2021-03-26 16:25:03,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 16:25:03,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 16:25:03,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 187 transitions. [2021-03-26 16:25:03,329 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3269230769230769 [2021-03-26 16:25:03,329 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 187 transitions. [2021-03-26 16:25:03,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 187 transitions. [2021-03-26 16:25:03,329 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:25:03,329 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 187 transitions. [2021-03-26 16:25:03,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 17.0) internal successors, (187), 11 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:03,330 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 52.0) internal successors, (624), 12 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:03,330 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 52.0) internal successors, (624), 12 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:03,330 INFO L185 Difference]: Start difference. First operand has 410 places, 752 transitions, 24054 flow. Second operand 11 states and 187 transitions. [2021-03-26 16:25:03,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 420 places, 792 transitions, 26709 flow [2021-03-26 16:25:04,512 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 410 places, 792 transitions, 25340 flow, removed 638 selfloop flow, removed 10 redundant places. [2021-03-26 16:25:04,527 INFO L241 Difference]: Finished difference. Result has 411 places, 775 transitions, 23464 flow [2021-03-26 16:25:04,528 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=22685, PETRI_DIFFERENCE_MINUEND_PLACES=400, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=752, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=706, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=23464, PETRI_PLACES=411, PETRI_TRANSITIONS=775} [2021-03-26 16:25:04,528 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 396 predicate places. [2021-03-26 16:25:04,528 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:25:04,528 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 411 places, 775 transitions, 23464 flow [2021-03-26 16:25:04,528 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 411 places, 775 transitions, 23464 flow [2021-03-26 16:25:04,536 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 411 places, 775 transitions, 23464 flow [2021-03-26 16:25:05,016 INFO L129 PetriNetUnfolder]: 478/2170 cut-off events. [2021-03-26 16:25:05,017 INFO L130 PetriNetUnfolder]: For 208153/208153 co-relation queries the response was YES. [2021-03-26 16:25:05,036 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31485 conditions, 2170 events. 478/2170 cut-off events. For 208153/208153 co-relation queries the response was YES. Maximal size of possible extension queue 307. Compared 24403 event pairs, 8 based on Foata normal form. 0/2170 useless extension candidates. Maximal degree in co-relation 30972. Up to 498 conditions per place. [2021-03-26 16:25:05,058 INFO L142 LiptonReduction]: Number of co-enabled transitions 266 [2021-03-26 16:25:05,258 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:25:05,258 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 16:25:05,259 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 731 [2021-03-26 16:25:05,259 INFO L480 AbstractCegarLoop]: Abstraction has has 411 places, 775 transitions, 23469 flow [2021-03-26 16:25:05,259 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 14.076923076923077) internal successors, (183), 13 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:05,259 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:25:05,259 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:25:05,481 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-03-26 16:25:05,482 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:25:05,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:25:05,482 INFO L82 PathProgramCache]: Analyzing trace with hash -773451297, now seen corresponding path program 1 times [2021-03-26 16:25:05,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:25:05,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802289890] [2021-03-26 16:25:05,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:25:05,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:25:05,488 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:25:05,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:05,493 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:25:05,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:05,499 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:25:05,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:05,504 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:25:05,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:05,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:05,512 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:25:05,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802289890] [2021-03-26 16:25:05,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506915164] [2021-03-26 16:25:05,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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) [2021-03-26 16:25:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:25:05,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 16:25:05,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:25:05,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:25:05,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:05,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:05,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:05,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:05,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:05,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:05,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:05,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:05,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:05,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:05,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:05,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:05,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:05,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:05,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:05,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:05,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:05,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:05,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:05,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:05,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:05,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:05,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:05,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:05,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:25:05,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:05,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:05,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:05,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:05,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:05,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:25:05,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:05,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:05,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:25:05,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:05,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:05,605 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 16:25:05,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:05,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:05,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:05,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:25:05,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:05,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:05,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:05,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:05,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:05,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:05,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:05,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:05,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:05,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:05,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:05,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:05,614 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:25:05,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:25:05,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-26 16:25:05,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369846839] [2021-03-26 16:25:05,615 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 16:25:05,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:25:05,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 16:25:05,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-03-26 16:25:05,616 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 53 [2021-03-26 16:25:05,616 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 775 transitions, 23469 flow. Second operand has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:05,616 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:25:05,616 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 53 [2021-03-26 16:25:05,616 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:25:06,945 INFO L129 PetriNetUnfolder]: 487/2212 cut-off events. [2021-03-26 16:25:06,945 INFO L130 PetriNetUnfolder]: For 212959/212959 co-relation queries the response was YES. [2021-03-26 16:25:06,963 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33679 conditions, 2212 events. 487/2212 cut-off events. For 212959/212959 co-relation queries the response was YES. Maximal size of possible extension queue 314. Compared 24951 event pairs, 8 based on Foata normal form. 10/2222 useless extension candidates. Maximal degree in co-relation 33150. Up to 1209 conditions per place. [2021-03-26 16:25:06,973 INFO L132 encePairwiseOnDemand]: 33/53 looper letters, 646 selfloop transitions, 190 changer transitions 1/842 dead transitions. [2021-03-26 16:25:06,973 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 842 transitions, 27343 flow [2021-03-26 16:25:06,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 16:25:06,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 16:25:06,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 298 transitions. [2021-03-26 16:25:06,974 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31236897274633124 [2021-03-26 16:25:06,974 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 298 transitions. [2021-03-26 16:25:06,974 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 298 transitions. [2021-03-26 16:25:06,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:25:06,974 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 298 transitions. [2021-03-26 16:25:06,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 16.555555555555557) internal successors, (298), 18 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:06,975 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 53.0) internal successors, (1007), 19 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:06,975 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 53.0) internal successors, (1007), 19 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:06,975 INFO L185 Difference]: Start difference. First operand has 411 places, 775 transitions, 23469 flow. Second operand 18 states and 298 transitions. [2021-03-26 16:25:06,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 842 transitions, 27343 flow [2021-03-26 16:25:07,971 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 420 places, 842 transitions, 27159 flow, removed 51 selfloop flow, removed 8 redundant places. [2021-03-26 16:25:07,989 INFO L241 Difference]: Finished difference. Result has 426 places, 813 transitions, 25132 flow [2021-03-26 16:25:07,990 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=23285, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=775, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=157, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=601, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=25132, PETRI_PLACES=426, PETRI_TRANSITIONS=813} [2021-03-26 16:25:07,990 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 411 predicate places. [2021-03-26 16:25:07,990 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:25:07,990 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 426 places, 813 transitions, 25132 flow [2021-03-26 16:25:07,990 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 426 places, 813 transitions, 25132 flow [2021-03-26 16:25:08,001 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 426 places, 813 transitions, 25132 flow [2021-03-26 16:25:08,498 INFO L129 PetriNetUnfolder]: 487/2216 cut-off events. [2021-03-26 16:25:08,498 INFO L130 PetriNetUnfolder]: For 217526/217539 co-relation queries the response was YES. [2021-03-26 16:25:08,520 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32695 conditions, 2216 events. 487/2216 cut-off events. For 217526/217539 co-relation queries the response was YES. Maximal size of possible extension queue 320. Compared 25145 event pairs, 8 based on Foata normal form. 0/2216 useless extension candidates. Maximal degree in co-relation 32162. Up to 512 conditions per place. [2021-03-26 16:25:08,542 INFO L142 LiptonReduction]: Number of co-enabled transitions 302 [2021-03-26 16:25:08,615 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:25:08,615 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:25:08,615 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 625 [2021-03-26 16:25:08,616 INFO L480 AbstractCegarLoop]: Abstraction has has 426 places, 813 transitions, 25132 flow [2021-03-26 16:25:08,616 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:08,616 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:25:08,616 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:25:08,831 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:25:08,832 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:25:08,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:25:08,832 INFO L82 PathProgramCache]: Analyzing trace with hash -141098006, now seen corresponding path program 1 times [2021-03-26 16:25:08,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:25:08,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831254497] [2021-03-26 16:25:08,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:25:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:25:08,854 INFO L142 QuantifierPusher]: treesize reduction 36, result has 40.0 percent of original size [2021-03-26 16:25:08,854 INFO L147 QuantifierPusher]: treesize reduction 5, result has 79.2 percent of original size 19 [2021-03-26 16:25:08,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 16:25:08,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:25:08,883 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-26 16:25:08,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:08,890 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:25:08,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831254497] [2021-03-26 16:25:08,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1878645462] [2021-03-26 16:25:08,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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) [2021-03-26 16:25:08,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:25:08,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-26 16:25:08,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:25:08,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:08,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:08,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:08,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:08,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:08,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:08,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:08,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:08,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,945 INFO L147 QuantifierPusher]: treesize reduction 7, result has 69.6 percent of original size 16 [2021-03-26 16:25:08,945 INFO L142 QuantifierPusher]: treesize reduction 7, result has 69.6 percent of original size [2021-03-26 16:25:08,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:25:08,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:25:08,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:25:08,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:25:08,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:25:08,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:25:08,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:25:08,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,960 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size 27 [2021-03-26 16:25:08,960 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size [2021-03-26 16:25:08,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:25:08,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:25:08,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:25:08,972 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-03-26 16:25:08,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:08,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:08,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:08,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:08,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:08,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:08,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:08,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2021-03-26 16:25:08,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:08,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:25:08,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:25:08,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:08,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:25:08,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:25:08,981 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 16:25:08,982 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:08,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:25:08,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:25:08,984 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 16:25:08,984 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:5 [2021-03-26 16:25:08,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:08,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:25:08,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:25:08,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:08,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:25:08,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:25:08,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:08,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:08,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:08,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:08,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:08,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:08,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:08,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:08,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:08,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:08,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:08,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:08,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:08,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:08,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:09,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:09,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:09,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:09,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:09,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:09,001 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:25:09,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:25:09,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-03-26 16:25:09,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052898723] [2021-03-26 16:25:09,002 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 16:25:09,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:25:09,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 16:25:09,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-26 16:25:09,002 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 53 [2021-03-26 16:25:09,002 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 426 places, 813 transitions, 25132 flow. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 9 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:09,002 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:25:09,002 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 53 [2021-03-26 16:25:09,002 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:25:10,075 INFO L129 PetriNetUnfolder]: 491/2209 cut-off events. [2021-03-26 16:25:10,075 INFO L130 PetriNetUnfolder]: For 219469/219502 co-relation queries the response was YES. [2021-03-26 16:25:10,098 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34588 conditions, 2209 events. 491/2209 cut-off events. For 219469/219502 co-relation queries the response was YES. Maximal size of possible extension queue 319. Compared 24887 event pairs, 8 based on Foata normal form. 22/2231 useless extension candidates. Maximal degree in co-relation 34035. Up to 1708 conditions per place. [2021-03-26 16:25:10,108 INFO L132 encePairwiseOnDemand]: 40/53 looper letters, 792 selfloop transitions, 24 changer transitions 2/822 dead transitions. [2021-03-26 16:25:10,108 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 822 transitions, 27212 flow [2021-03-26 16:25:10,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 16:25:10,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 16:25:10,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 114 transitions. [2021-03-26 16:25:10,109 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.30727762803234504 [2021-03-26 16:25:10,109 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 114 transitions. [2021-03-26 16:25:10,109 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 114 transitions. [2021-03-26 16:25:10,109 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:25:10,109 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 114 transitions. [2021-03-26 16:25:10,109 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:10,110 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:10,110 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:10,110 INFO L185 Difference]: Start difference. First operand has 426 places, 813 transitions, 25132 flow. Second operand 7 states and 114 transitions. [2021-03-26 16:25:10,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 432 places, 822 transitions, 27212 flow [2021-03-26 16:25:11,240 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 422 places, 822 transitions, 26888 flow, removed 123 selfloop flow, removed 10 redundant places. [2021-03-26 16:25:11,257 INFO L241 Difference]: Finished difference. Result has 423 places, 818 transitions, 25120 flow [2021-03-26 16:25:11,257 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=24830, PETRI_DIFFERENCE_MINUEND_PLACES=416, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=813, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=789, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=25120, PETRI_PLACES=423, PETRI_TRANSITIONS=818} [2021-03-26 16:25:11,258 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 408 predicate places. [2021-03-26 16:25:11,258 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:25:11,258 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 423 places, 818 transitions, 25120 flow [2021-03-26 16:25:11,258 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 423 places, 818 transitions, 25120 flow [2021-03-26 16:25:11,266 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 423 places, 818 transitions, 25120 flow [2021-03-26 16:25:11,759 INFO L129 PetriNetUnfolder]: 491/2225 cut-off events. [2021-03-26 16:25:11,759 INFO L130 PetriNetUnfolder]: For 220957/220957 co-relation queries the response was YES. [2021-03-26 16:25:11,781 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33069 conditions, 2225 events. 491/2225 cut-off events. For 220957/220957 co-relation queries the response was YES. Maximal size of possible extension queue 321. Compared 25216 event pairs, 8 based on Foata normal form. 0/2225 useless extension candidates. Maximal degree in co-relation 32528. Up to 513 conditions per place. [2021-03-26 16:25:11,803 INFO L142 LiptonReduction]: Number of co-enabled transitions 306 [2021-03-26 16:25:12,007 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:25:12,007 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 16:25:12,007 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 749 [2021-03-26 16:25:12,008 INFO L480 AbstractCegarLoop]: Abstraction has has 423 places, 818 transitions, 25134 flow [2021-03-26 16:25:12,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 9 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:12,008 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:25:12,008 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:25:12,210 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-03-26 16:25:12,210 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:25:12,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:25:12,211 INFO L82 PathProgramCache]: Analyzing trace with hash -1272610367, now seen corresponding path program 1 times [2021-03-26 16:25:12,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:25:12,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669562082] [2021-03-26 16:25:12,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:25:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:25:12,218 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:25:12,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:12,222 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:25:12,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:12,227 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:25:12,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:12,232 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:25:12,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:12,237 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:25:12,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:12,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:25:12,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:12,248 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:25:12,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669562082] [2021-03-26 16:25:12,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [68086867] [2021-03-26 16:25:12,248 INFO L95 rtionOrderModulation]: Keeping assertion order 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 [2021-03-26 16:25:12,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:25:12,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 16:25:12,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:25:12,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:12,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:12,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:12,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:12,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:12,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:12,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:12,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:12,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:12,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:12,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:12,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:12,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:12,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:12,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:12,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:12,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:12,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:12,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:12,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:12,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:12,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:12,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:12,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:12,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:12,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:12,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:12,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:12,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:12,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:12,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:25:12,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:12,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:12,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:25:12,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:12,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:12,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:12,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:12,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:25:12,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:12,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:12,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:25:12,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:12,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:12,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:12,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:12,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:12,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:12,335 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 16:25:12,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:12,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:12,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:12,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:25:12,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:12,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:12,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:12,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:12,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:12,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:12,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:12,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:12,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:12,343 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:25:12,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:25:12,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-03-26 16:25:12,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009282135] [2021-03-26 16:25:12,343 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 16:25:12,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:25:12,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 16:25:12,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-03-26 16:25:12,344 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 54 [2021-03-26 16:25:12,344 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 423 places, 818 transitions, 25134 flow. Second operand has 13 states, 13 states have (on average 14.076923076923077) internal successors, (183), 13 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:12,344 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:25:12,344 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 54 [2021-03-26 16:25:12,344 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:25:13,743 INFO L129 PetriNetUnfolder]: 506/2288 cut-off events. [2021-03-26 16:25:13,743 INFO L130 PetriNetUnfolder]: For 232850/232856 co-relation queries the response was YES. [2021-03-26 16:25:13,763 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35860 conditions, 2288 events. 506/2288 cut-off events. For 232850/232856 co-relation queries the response was YES. Maximal size of possible extension queue 319. Compared 25799 event pairs, 8 based on Foata normal form. 42/2330 useless extension candidates. Maximal degree in co-relation 35300. Up to 1226 conditions per place. [2021-03-26 16:25:13,773 INFO L132 encePairwiseOnDemand]: 36/54 looper letters, 676 selfloop transitions, 191 changer transitions 1/873 dead transitions. [2021-03-26 16:25:13,773 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 437 places, 873 transitions, 28718 flow [2021-03-26 16:25:13,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 16:25:13,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 16:25:13,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 255 transitions. [2021-03-26 16:25:13,774 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3148148148148148 [2021-03-26 16:25:13,774 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 255 transitions. [2021-03-26 16:25:13,774 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 255 transitions. [2021-03-26 16:25:13,774 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:25:13,774 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 255 transitions. [2021-03-26 16:25:13,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 17.0) internal successors, (255), 15 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:13,775 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 54.0) internal successors, (864), 16 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:13,776 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 54.0) internal successors, (864), 16 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:13,776 INFO L185 Difference]: Start difference. First operand has 423 places, 818 transitions, 25134 flow. Second operand 15 states and 255 transitions. [2021-03-26 16:25:13,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 437 places, 873 transitions, 28718 flow [2021-03-26 16:25:14,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 433 places, 873 transitions, 28571 flow, removed 56 selfloop flow, removed 4 redundant places. [2021-03-26 16:25:14,938 INFO L241 Difference]: Finished difference. Result has 437 places, 848 transitions, 26605 flow [2021-03-26 16:25:14,938 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=24603, PETRI_DIFFERENCE_MINUEND_PLACES=419, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=807, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=153, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=635, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=26605, PETRI_PLACES=437, PETRI_TRANSITIONS=848} [2021-03-26 16:25:14,938 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 422 predicate places. [2021-03-26 16:25:14,938 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:25:14,938 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 437 places, 848 transitions, 26605 flow [2021-03-26 16:25:14,939 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 437 places, 848 transitions, 26605 flow [2021-03-26 16:25:14,947 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 437 places, 848 transitions, 26605 flow [2021-03-26 16:25:15,571 INFO L129 PetriNetUnfolder]: 506/2294 cut-off events. [2021-03-26 16:25:15,571 INFO L130 PetriNetUnfolder]: For 231640/231640 co-relation queries the response was YES. [2021-03-26 16:25:15,594 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34929 conditions, 2294 events. 506/2294 cut-off events. For 231640/231640 co-relation queries the response was YES. Maximal size of possible extension queue 325. Compared 26123 event pairs, 8 based on Foata normal form. 0/2294 useless extension candidates. Maximal degree in co-relation 34381. Up to 534 conditions per place. [2021-03-26 16:25:15,625 INFO L142 LiptonReduction]: Number of co-enabled transitions 350 [2021-03-26 16:25:15,700 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:25:15,700 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:25:15,700 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 762 [2021-03-26 16:25:15,700 INFO L480 AbstractCegarLoop]: Abstraction has has 437 places, 848 transitions, 26605 flow [2021-03-26 16:25:15,700 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 14.076923076923077) internal successors, (183), 13 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:15,701 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:25:15,701 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:25:15,901 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-03-26 16:25:15,901 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:25:15,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:25:15,901 INFO L82 PathProgramCache]: Analyzing trace with hash 746405675, now seen corresponding path program 1 times [2021-03-26 16:25:15,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:25:15,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320254414] [2021-03-26 16:25:15,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:25:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:25:15,909 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:25:15,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:15,915 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:25:15,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:15,920 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:25:15,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:15,921 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:25:15,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:15,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:15,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:15,931 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:25:15,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320254414] [2021-03-26 16:25:15,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [299364078] [2021-03-26 16:25:15,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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) [2021-03-26 16:25:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:25:15,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 16:25:15,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:25:15,962 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 [2021-03-26 16:25:15,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:15,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:15,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:15,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:15,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:15,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:15,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:15,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:15,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:15,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:15,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:15,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:15,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:15,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:15,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:15,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:15,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:15,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:15,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:15,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:15,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:15,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:15,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:15,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:15,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:15,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:15,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:15,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:15,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:15,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:15,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:15,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:15,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:15,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:15,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:15,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:15,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:15,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:15,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:15,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:15,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:15,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:15,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:15,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:15,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:15,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:15,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:15,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:15,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:15,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:15,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:16,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:16,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:16,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:16,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:16,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:25:16,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:16,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:16,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:16,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:16,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:25:16,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:16,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:16,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:16,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:16,022 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 16:25:16,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:16,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:16,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:16,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:16,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:16,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:25:16,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:16,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:16,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:16,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:16,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:16,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:16,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:16,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:16,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:16,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:16,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:16,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:16,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:16,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:16,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:16,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:16,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:16,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:16,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:16,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:16,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:16,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:16,032 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:25:16,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:25:16,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2021-03-26 16:25:16,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275999132] [2021-03-26 16:25:16,032 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 16:25:16,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:25:16,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 16:25:16,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-03-26 16:25:16,033 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 54 [2021-03-26 16:25:16,033 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 848 transitions, 26605 flow. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 9 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:16,033 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:25:16,033 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 54 [2021-03-26 16:25:16,033 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:25:17,307 INFO L129 PetriNetUnfolder]: 514/2323 cut-off events. [2021-03-26 16:25:17,307 INFO L130 PetriNetUnfolder]: For 238925/238931 co-relation queries the response was YES. [2021-03-26 16:25:17,331 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37165 conditions, 2323 events. 514/2323 cut-off events. For 238925/238931 co-relation queries the response was YES. Maximal size of possible extension queue 325. Compared 26264 event pairs, 9 based on Foata normal form. 8/2331 useless extension candidates. Maximal degree in co-relation 36553. Up to 1357 conditions per place. [2021-03-26 16:25:17,342 INFO L132 encePairwiseOnDemand]: 36/54 looper letters, 739 selfloop transitions, 135 changer transitions 2/881 dead transitions. [2021-03-26 16:25:17,342 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 881 transitions, 29931 flow [2021-03-26 16:25:17,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 16:25:17,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 16:25:17,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 178 transitions. [2021-03-26 16:25:17,343 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3296296296296296 [2021-03-26 16:25:17,343 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 178 transitions. [2021-03-26 16:25:17,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 178 transitions. [2021-03-26 16:25:17,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:25:17,343 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 178 transitions. [2021-03-26 16:25:17,344 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 17.8) internal successors, (178), 10 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:17,344 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 54.0) internal successors, (594), 11 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:17,344 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 54.0) internal successors, (594), 11 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:17,344 INFO L185 Difference]: Start difference. First operand has 437 places, 848 transitions, 26605 flow. Second operand 10 states and 178 transitions. [2021-03-26 16:25:17,345 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 881 transitions, 29931 flow [2021-03-26 16:25:18,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 439 places, 881 transitions, 29533 flow, removed 174 selfloop flow, removed 7 redundant places. [2021-03-26 16:25:18,859 INFO L241 Difference]: Finished difference. Result has 442 places, 854 transitions, 26862 flow [2021-03-26 16:25:18,859 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=26233, PETRI_DIFFERENCE_MINUEND_PLACES=430, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=848, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=129, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=714, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=26862, PETRI_PLACES=442, PETRI_TRANSITIONS=854} [2021-03-26 16:25:18,859 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 427 predicate places. [2021-03-26 16:25:18,859 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:25:18,859 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 442 places, 854 transitions, 26862 flow [2021-03-26 16:25:18,860 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 442 places, 854 transitions, 26862 flow [2021-03-26 16:25:18,868 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 442 places, 854 transitions, 26862 flow [2021-03-26 16:25:19,429 INFO L129 PetriNetUnfolder]: 513/2329 cut-off events. [2021-03-26 16:25:19,429 INFO L130 PetriNetUnfolder]: For 236694/236694 co-relation queries the response was YES. [2021-03-26 16:25:19,454 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35545 conditions, 2329 events. 513/2329 cut-off events. For 236694/236694 co-relation queries the response was YES. Maximal size of possible extension queue 329. Compared 26606 event pairs, 9 based on Foata normal form. 0/2329 useless extension candidates. Maximal degree in co-relation 34938. Up to 526 conditions per place. [2021-03-26 16:25:19,480 INFO L142 LiptonReduction]: Number of co-enabled transitions 350 [2021-03-26 16:25:19,567 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:25:19,567 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:25:19,567 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 708 [2021-03-26 16:25:19,568 INFO L480 AbstractCegarLoop]: Abstraction has has 442 places, 854 transitions, 26862 flow [2021-03-26 16:25:19,568 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 9 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:19,568 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:25:19,568 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:25:19,789 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,46 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:25:19,789 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:25:19,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:25:19,789 INFO L82 PathProgramCache]: Analyzing trace with hash 690994415, now seen corresponding path program 2 times [2021-03-26 16:25:19,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:25:19,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229856892] [2021-03-26 16:25:19,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:25:19,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:25:19,795 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:25:19,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:19,799 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:25:19,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:19,805 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:25:19,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:19,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:25:19,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:19,809 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 16:25:19,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229856892] [2021-03-26 16:25:19,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [810215057] [2021-03-26 16:25:19,810 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 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 [2021-03-26 16:25:19,829 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:25:19,829 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:25:19,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 16:25:19,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:25:19,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:19,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:19,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:19,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:19,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:19,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:19,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:19,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:19,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:19,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:19,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:19,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:19,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:19,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:19,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:19,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:19,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:19,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:19,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:19,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:19,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:19,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:19,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:19,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:19,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:19,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:19,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:19,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:19,868 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-26 16:25:19,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:25:19,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:19,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:19,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:25:19,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:19,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:19,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:19,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:19,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:25:19,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:19,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:19,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:19,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:25:19,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:25:19,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:19,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:19,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:19,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:19,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:19,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:19,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:19,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:19,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:19,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:19,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:19,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:19,892 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:25:19,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:25:19,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2021-03-26 16:25:19,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966127170] [2021-03-26 16:25:19,892 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 16:25:19,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:25:19,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 16:25:19,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-26 16:25:19,893 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 54 [2021-03-26 16:25:19,893 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 442 places, 854 transitions, 26862 flow. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 9 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:19,893 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:25:19,893 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 54 [2021-03-26 16:25:19,893 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:25:21,298 INFO L129 PetriNetUnfolder]: 511/2354 cut-off events. [2021-03-26 16:25:21,298 INFO L130 PetriNetUnfolder]: For 242050/242056 co-relation queries the response was YES. [2021-03-26 16:25:21,320 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37591 conditions, 2354 events. 511/2354 cut-off events. For 242050/242056 co-relation queries the response was YES. Maximal size of possible extension queue 329. Compared 26806 event pairs, 0 based on Foata normal form. 7/2361 useless extension candidates. Maximal degree in co-relation 36841. Up to 733 conditions per place. [2021-03-26 16:25:21,330 INFO L132 encePairwiseOnDemand]: 36/54 looper letters, 666 selfloop transitions, 221 changer transitions 2/894 dead transitions. [2021-03-26 16:25:21,330 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 455 places, 894 transitions, 30659 flow [2021-03-26 16:25:21,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 16:25:21,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 16:25:21,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 234 transitions. [2021-03-26 16:25:21,331 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.30952380952380953 [2021-03-26 16:25:21,331 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 234 transitions. [2021-03-26 16:25:21,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 234 transitions. [2021-03-26 16:25:21,331 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:25:21,331 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 234 transitions. [2021-03-26 16:25:21,332 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 16.714285714285715) internal successors, (234), 14 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) [2021-03-26 16:25:21,332 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 54.0) internal successors, (810), 15 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:21,333 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 54.0) internal successors, (810), 15 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:21,333 INFO L185 Difference]: Start difference. First operand has 442 places, 854 transitions, 26862 flow. Second operand 14 states and 234 transitions. [2021-03-26 16:25:21,333 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 455 places, 894 transitions, 30659 flow [2021-03-26 16:25:22,632 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 451 places, 894 transitions, 30584 flow, removed 27 selfloop flow, removed 4 redundant places. [2021-03-26 16:25:22,652 INFO L241 Difference]: Finished difference. Result has 452 places, 858 transitions, 27492 flow [2021-03-26 16:25:22,653 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=26762, PETRI_DIFFERENCE_MINUEND_PLACES=438, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=853, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=215, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=637, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=27492, PETRI_PLACES=452, PETRI_TRANSITIONS=858} [2021-03-26 16:25:22,653 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 437 predicate places. [2021-03-26 16:25:22,653 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:25:22,653 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 452 places, 858 transitions, 27492 flow [2021-03-26 16:25:22,653 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 452 places, 858 transitions, 27492 flow [2021-03-26 16:25:22,662 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 451 places, 858 transitions, 27492 flow [2021-03-26 16:25:23,218 INFO L129 PetriNetUnfolder]: 511/2348 cut-off events. [2021-03-26 16:25:23,218 INFO L130 PetriNetUnfolder]: For 247960/247960 co-relation queries the response was YES. [2021-03-26 16:25:23,242 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36426 conditions, 2348 events. 511/2348 cut-off events. For 247960/247960 co-relation queries the response was YES. Maximal size of possible extension queue 336. Compared 27034 event pairs, 9 based on Foata normal form. 0/2348 useless extension candidates. Maximal degree in co-relation 35864. Up to 536 conditions per place. [2021-03-26 16:25:23,267 INFO L142 LiptonReduction]: Number of co-enabled transitions 354 [2021-03-26 16:25:23,349 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:25:23,349 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:25:23,349 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 696 [2021-03-26 16:25:23,349 INFO L480 AbstractCegarLoop]: Abstraction has has 451 places, 858 transitions, 27492 flow [2021-03-26 16:25:23,349 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 9 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:23,350 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:25:23,350 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:25:23,552 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2021-03-26 16:25:23,552 INFO L428 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:25:23,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:25:23,552 INFO L82 PathProgramCache]: Analyzing trace with hash 663376236, now seen corresponding path program 1 times [2021-03-26 16:25:23,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:25:23,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202165596] [2021-03-26 16:25:23,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:25:23,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:25:23,556 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:25:23,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:23,561 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:25:23,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:23,567 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:25:23,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:23,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:25:23,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:23,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:25:23,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202165596] [2021-03-26 16:25:23,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1483469392] [2021-03-26 16:25:23,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-26 16:25:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:25:23,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 16:25:23,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:25:23,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:23,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:23,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:23,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:23,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:23,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:23,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:23,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:23,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:23,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:23,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:23,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:23,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:23,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:23,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:23,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:23,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:23,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:23,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:23,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:23,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:23,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:23,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:23,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:23,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:23,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:23,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:23,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:23,623 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-26 16:25:23,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:25:23,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:23,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:23,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:25:23,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:23,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:23,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:23,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:23,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:25:23,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:23,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:23,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:23,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:25:23,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:25:23,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:23,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:23,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:23,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:23,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:23,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:23,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:23,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:23,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:23,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:23,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:23,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:23,641 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:25:23,641 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:25:23,641 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2021-03-26 16:25:23,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704479850] [2021-03-26 16:25:23,642 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 16:25:23,642 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:25:23,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 16:25:23,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-26 16:25:23,642 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 54 [2021-03-26 16:25:23,642 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 858 transitions, 27492 flow. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 9 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:23,642 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:25:23,642 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 54 [2021-03-26 16:25:23,642 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:25:24,798 INFO L129 PetriNetUnfolder]: 516/2404 cut-off events. [2021-03-26 16:25:24,798 INFO L130 PetriNetUnfolder]: For 260990/260990 co-relation queries the response was YES. [2021-03-26 16:25:24,823 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39166 conditions, 2404 events. 516/2404 cut-off events. For 260990/260990 co-relation queries the response was YES. Maximal size of possible extension queue 343. Compared 27824 event pairs, 0 based on Foata normal form. 3/2407 useless extension candidates. Maximal degree in co-relation 38587. Up to 835 conditions per place. [2021-03-26 16:25:24,833 INFO L132 encePairwiseOnDemand]: 38/54 looper letters, 759 selfloop transitions, 122 changer transitions 1/887 dead transitions. [2021-03-26 16:25:24,834 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 460 places, 887 transitions, 31051 flow [2021-03-26 16:25:24,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 16:25:24,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 16:25:24,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 171 transitions. [2021-03-26 16:25:24,835 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31666666666666665 [2021-03-26 16:25:24,835 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 171 transitions. [2021-03-26 16:25:24,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 171 transitions. [2021-03-26 16:25:24,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:25:24,835 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 171 transitions. [2021-03-26 16:25:24,835 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:24,835 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 54.0) internal successors, (594), 11 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:24,836 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 54.0) internal successors, (594), 11 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:24,836 INFO L185 Difference]: Start difference. First operand has 451 places, 858 transitions, 27492 flow. Second operand 10 states and 171 transitions. [2021-03-26 16:25:24,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 460 places, 887 transitions, 31051 flow [2021-03-26 16:25:26,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 887 transitions, 30738 flow, removed 101 selfloop flow, removed 7 redundant places. [2021-03-26 16:25:26,275 INFO L241 Difference]: Finished difference. Result has 456 places, 867 transitions, 28249 flow [2021-03-26 16:25:26,275 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=27278, PETRI_DIFFERENCE_MINUEND_PLACES=444, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=857, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=113, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=740, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=28249, PETRI_PLACES=456, PETRI_TRANSITIONS=867} [2021-03-26 16:25:26,275 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 441 predicate places. [2021-03-26 16:25:26,275 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:25:26,276 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 456 places, 867 transitions, 28249 flow [2021-03-26 16:25:26,276 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 456 places, 867 transitions, 28249 flow [2021-03-26 16:25:26,284 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 456 places, 867 transitions, 28249 flow [2021-03-26 16:25:26,886 INFO L129 PetriNetUnfolder]: 516/2397 cut-off events. [2021-03-26 16:25:26,886 INFO L130 PetriNetUnfolder]: For 271939/271939 co-relation queries the response was YES. [2021-03-26 16:25:26,910 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37962 conditions, 2397 events. 516/2397 cut-off events. For 271939/271939 co-relation queries the response was YES. Maximal size of possible extension queue 345. Compared 27816 event pairs, 9 based on Foata normal form. 0/2397 useless extension candidates. Maximal degree in co-relation 37392. Up to 549 conditions per place. [2021-03-26 16:25:26,936 INFO L142 LiptonReduction]: Number of co-enabled transitions 360 [2021-03-26 16:25:27,012 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:25:27,012 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:25:27,012 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 737 [2021-03-26 16:25:27,013 INFO L480 AbstractCegarLoop]: Abstraction has has 456 places, 867 transitions, 28249 flow [2021-03-26 16:25:27,013 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 9 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:27,013 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:25:27,013 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:25:27,213 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:25:27,213 INFO L428 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:25:27,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:25:27,214 INFO L82 PathProgramCache]: Analyzing trace with hash 775092486, now seen corresponding path program 2 times [2021-03-26 16:25:27,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:25:27,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232238644] [2021-03-26 16:25:27,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:25:27,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:25:27,219 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:25:27,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:27,224 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:25:27,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:27,230 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:25:27,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:27,230 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:25:27,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:27,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:25:27,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:27,242 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 16:25:27,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232238644] [2021-03-26 16:25:27,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76146355] [2021-03-26 16:25:27,242 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 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 [2021-03-26 16:25:27,261 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:25:27,261 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:25:27,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 16:25:27,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:25:27,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:27,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:27,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:27,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:27,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:27,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:27,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:27,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:27,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:27,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:27,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:27,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:27,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:27,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:27,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:27,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:27,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:27,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:27,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:27,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:27,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:27,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:27,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:27,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:27,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:27,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:27,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:27,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:27,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:27,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:27,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:25:27,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:27,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:27,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:25:27,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:27,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:27,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:27,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:27,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:27,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:27,312 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 16:25:27,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:27,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:27,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:27,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:25:27,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:27,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:27,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:27,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:27,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:27,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:27,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:27,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:27,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:27,319 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:25:27,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:25:27,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-26 16:25:27,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310218272] [2021-03-26 16:25:27,319 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 16:25:27,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:25:27,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 16:25:27,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-03-26 16:25:27,319 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 54 [2021-03-26 16:25:27,320 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 456 places, 867 transitions, 28249 flow. Second operand has 10 states, 10 states have (on average 14.2) internal successors, (142), 10 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:27,320 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:25:27,320 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 54 [2021-03-26 16:25:27,320 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:25:28,587 INFO L129 PetriNetUnfolder]: 514/2388 cut-off events. [2021-03-26 16:25:28,587 INFO L130 PetriNetUnfolder]: For 269181/269181 co-relation queries the response was YES. [2021-03-26 16:25:28,613 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39290 conditions, 2388 events. 514/2388 cut-off events. For 269181/269181 co-relation queries the response was YES. Maximal size of possible extension queue 337. Compared 27474 event pairs, 9 based on Foata normal form. 4/2392 useless extension candidates. Maximal degree in co-relation 38785. Up to 1550 conditions per place. [2021-03-26 16:25:28,623 INFO L132 encePairwiseOnDemand]: 38/54 looper letters, 818 selfloop transitions, 43 changer transitions 0/866 dead transitions. [2021-03-26 16:25:28,624 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 462 places, 866 transitions, 29713 flow [2021-03-26 16:25:28,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 16:25:28,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 16:25:28,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 143 transitions. [2021-03-26 16:25:28,625 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.33101851851851855 [2021-03-26 16:25:28,625 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 143 transitions. [2021-03-26 16:25:28,625 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 143 transitions. [2021-03-26 16:25:28,625 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:25:28,625 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 143 transitions. [2021-03-26 16:25:28,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 17.875) internal successors, (143), 8 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:28,625 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 54.0) internal successors, (486), 9 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:28,625 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 54.0) internal successors, (486), 9 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:28,625 INFO L185 Difference]: Start difference. First operand has 456 places, 867 transitions, 28249 flow. Second operand 8 states and 143 transitions. [2021-03-26 16:25:28,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 462 places, 866 transitions, 29713 flow [2021-03-26 16:25:30,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 457 places, 866 transitions, 29501 flow, removed 89 selfloop flow, removed 5 redundant places. [2021-03-26 16:25:30,144 INFO L241 Difference]: Finished difference. Result has 457 places, 862 transitions, 27738 flow [2021-03-26 16:25:30,144 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=27652, PETRI_DIFFERENCE_MINUEND_PLACES=450, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=862, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=819, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=27738, PETRI_PLACES=457, PETRI_TRANSITIONS=862} [2021-03-26 16:25:30,144 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 442 predicate places. [2021-03-26 16:25:30,144 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:25:30,144 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 457 places, 862 transitions, 27738 flow [2021-03-26 16:25:30,144 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 457 places, 862 transitions, 27738 flow [2021-03-26 16:25:30,153 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 457 places, 862 transitions, 27738 flow [2021-03-26 16:25:30,745 INFO L129 PetriNetUnfolder]: 514/2385 cut-off events. [2021-03-26 16:25:30,745 INFO L130 PetriNetUnfolder]: For 266940/266963 co-relation queries the response was YES. [2021-03-26 16:25:30,769 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37574 conditions, 2385 events. 514/2385 cut-off events. For 266940/266963 co-relation queries the response was YES. Maximal size of possible extension queue 348. Compared 27632 event pairs, 9 based on Foata normal form. 0/2385 useless extension candidates. Maximal degree in co-relation 37008. Up to 547 conditions per place. [2021-03-26 16:25:30,793 INFO L142 LiptonReduction]: Number of co-enabled transitions 356 [2021-03-26 16:25:30,875 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:25:30,875 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:25:30,875 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 731 [2021-03-26 16:25:30,875 INFO L480 AbstractCegarLoop]: Abstraction has has 457 places, 862 transitions, 27738 flow [2021-03-26 16:25:30,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 14.2) internal successors, (142), 10 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:30,876 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:25:30,876 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:25:31,076 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,49 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:25:31,076 INFO L428 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:25:31,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:25:31,076 INFO L82 PathProgramCache]: Analyzing trace with hash -1683696293, now seen corresponding path program 1 times [2021-03-26 16:25:31,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:25:31,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225029859] [2021-03-26 16:25:31,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:25:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:25:31,094 INFO L142 QuantifierPusher]: treesize reduction 32, result has 28.9 percent of original size [2021-03-26 16:25:31,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:25:31,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 16:25:31,111 INFO L142 QuantifierPusher]: treesize reduction 35, result has 51.4 percent of original size [2021-03-26 16:25:31,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:25:31,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:25:31,138 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 16:25:31,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:31,146 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:25:31,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225029859] [2021-03-26 16:25:31,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [325310500] [2021-03-26 16:25:31,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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) [2021-03-26 16:25:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:25:31,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-26 16:25:31,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:25:31,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:25:31,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:31,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:31,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:31,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:31,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:31,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:31,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:31,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:31,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,187 INFO L147 QuantifierPusher]: treesize reduction 9, result has 73.5 percent of original size 25 [2021-03-26 16:25:31,187 INFO L142 QuantifierPusher]: treesize reduction 9, result has 73.5 percent of original size [2021-03-26 16:25:31,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:25:31,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:25:31,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:25:31,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:25:31,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:25:31,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:25:31,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:25:31,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 16:25:31,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 16:25:31,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 16:25:31,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 16:25:31,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,222 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.0 percent of original size 27 [2021-03-26 16:25:31,223 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.0 percent of original size [2021-03-26 16:25:31,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:25:31,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:25:31,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:25:31,237 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-03-26 16:25:31,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:25:31,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:31,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:25:31,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:25:31,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:31,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:25:31,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:25:31,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-03-26 16:25:31,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:31,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:31,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:25:31,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:31,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:31,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:25:31,247 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-03-26 16:25:31,249 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:31,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:31,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:25:31,250 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-03-26 16:25:31,250 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:10 [2021-03-26 16:25:31,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:31,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:31,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:25:31,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:31,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:31,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:25:31,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:31,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:31,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:31,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:31,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:31,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:31,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:31,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:31,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:31,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:31,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:31,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:31,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:31,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:31,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:31,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:31,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:31,269 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:25:31,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:25:31,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-26 16:25:31,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239908810] [2021-03-26 16:25:31,270 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 16:25:31,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:25:31,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 16:25:31,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-03-26 16:25:31,270 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 54 [2021-03-26 16:25:31,271 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 862 transitions, 27738 flow. Second operand has 11 states, 11 states have (on average 12.181818181818182) internal successors, (134), 11 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:31,271 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:25:31,271 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 54 [2021-03-26 16:25:31,271 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:25:32,673 INFO L129 PetriNetUnfolder]: 518/2401 cut-off events. [2021-03-26 16:25:32,673 INFO L130 PetriNetUnfolder]: For 271269/271275 co-relation queries the response was YES. [2021-03-26 16:25:32,695 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39779 conditions, 2401 events. 518/2401 cut-off events. For 271269/271275 co-relation queries the response was YES. Maximal size of possible extension queue 338. Compared 27611 event pairs, 10 based on Foata normal form. 8/2409 useless extension candidates. Maximal degree in co-relation 39192. Up to 1841 conditions per place. [2021-03-26 16:25:32,705 INFO L132 encePairwiseOnDemand]: 40/54 looper letters, 839 selfloop transitions, 29 changer transitions 1/873 dead transitions. [2021-03-26 16:25:32,705 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 464 places, 873 transitions, 30049 flow [2021-03-26 16:25:32,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 16:25:32,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 16:25:32,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 130 transitions. [2021-03-26 16:25:32,707 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.30092592592592593 [2021-03-26 16:25:32,708 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 130 transitions. [2021-03-26 16:25:32,708 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 130 transitions. [2021-03-26 16:25:32,708 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:25:32,708 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 130 transitions. [2021-03-26 16:25:32,708 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 16.25) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:32,708 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 54.0) internal successors, (486), 9 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:32,709 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 54.0) internal successors, (486), 9 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:32,709 INFO L185 Difference]: Start difference. First operand has 457 places, 862 transitions, 27738 flow. Second operand 8 states and 130 transitions. [2021-03-26 16:25:32,709 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 464 places, 873 transitions, 30049 flow [2021-03-26 16:25:34,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 873 transitions, 29974 flow, removed 9 selfloop flow, removed 5 redundant places. [2021-03-26 16:25:34,054 INFO L241 Difference]: Finished difference. Result has 461 places, 869 transitions, 28076 flow [2021-03-26 16:25:34,055 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=27671, PETRI_DIFFERENCE_MINUEND_PLACES=452, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=862, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=834, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=28076, PETRI_PLACES=461, PETRI_TRANSITIONS=869} [2021-03-26 16:25:34,055 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 446 predicate places. [2021-03-26 16:25:34,055 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:25:34,055 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 461 places, 869 transitions, 28076 flow [2021-03-26 16:25:34,055 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 461 places, 869 transitions, 28076 flow [2021-03-26 16:25:34,064 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 461 places, 869 transitions, 28076 flow [2021-03-26 16:25:34,634 INFO L129 PetriNetUnfolder]: 518/2398 cut-off events. [2021-03-26 16:25:34,635 INFO L130 PetriNetUnfolder]: For 274049/274058 co-relation queries the response was YES. [2021-03-26 16:25:34,659 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38264 conditions, 2398 events. 518/2398 cut-off events. For 274049/274058 co-relation queries the response was YES. Maximal size of possible extension queue 349. Compared 27837 event pairs, 10 based on Foata normal form. 0/2398 useless extension candidates. Maximal degree in co-relation 37692. Up to 552 conditions per place. [2021-03-26 16:25:34,683 INFO L142 LiptonReduction]: Number of co-enabled transitions 362 [2021-03-26 16:25:34,764 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:25:34,764 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:25:34,764 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 709 [2021-03-26 16:25:34,764 INFO L480 AbstractCegarLoop]: Abstraction has has 461 places, 869 transitions, 28076 flow [2021-03-26 16:25:34,764 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 12.181818181818182) internal successors, (134), 11 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:34,764 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:25:34,764 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:25:34,965 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2021-03-26 16:25:34,965 INFO L428 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:25:34,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:25:34,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1603442122, now seen corresponding path program 2 times [2021-03-26 16:25:34,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:25:34,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061138858] [2021-03-26 16:25:34,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:25:34,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:25:34,979 INFO L142 QuantifierPusher]: treesize reduction 44, result has 30.2 percent of original size [2021-03-26 16:25:34,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:25:34,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:34,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 16:25:35,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:25:35,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:25:35,016 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-26 16:25:35,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:35,024 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:25:35,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061138858] [2021-03-26 16:25:35,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956716239] [2021-03-26 16:25:35,025 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 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-26 16:25:35,053 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:25:35,053 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:25:35,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-26 16:25:35,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:25:35,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:35,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:35,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:35,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:35,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:35,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:35,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:35,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:35,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,067 INFO L147 QuantifierPusher]: treesize reduction 7, result has 69.6 percent of original size 16 [2021-03-26 16:25:35,068 INFO L142 QuantifierPusher]: treesize reduction 7, result has 69.6 percent of original size [2021-03-26 16:25:35,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:25:35,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:25:35,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:25:35,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:25:35,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:25:35,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:25:35,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:25:35,080 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size [2021-03-26 16:25:35,081 INFO L147 QuantifierPusher]: treesize reduction 7, result has 65.0 percent of original size 13 [2021-03-26 16:25:35,081 INFO L142 QuantifierPusher]: treesize reduction 7, result has 65.0 percent of original size [2021-03-26 16:25:35,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:25:35,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:25:35,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:25:35,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:25:35,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:25:35,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:25:35,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:25:35,098 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-26 16:25:35,099 INFO L147 QuantifierPusher]: treesize reduction 8, result has 52.9 percent of original size 9 [2021-03-26 16:25:35,099 INFO L142 QuantifierPusher]: treesize reduction 8, result has 52.9 percent of original size [2021-03-26 16:25:35,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:35,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:35,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:35,113 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-26 16:25:35,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:35,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:35,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:35,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:35,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:35,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:35,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:35,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2021-03-26 16:25:35,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:35,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:25:35,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:25:35,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:35,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:25:35,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:25:35,122 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 16:25:35,123 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:35,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:25:35,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:25:35,125 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 16:25:35,125 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:5 [2021-03-26 16:25:35,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:35,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:25:35,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:25:35,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:35,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:25:35,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:25:35,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:35,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:35,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:35,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:35,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:35,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:35,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:35,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:35,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:35,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:35,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:35,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:35,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:35,140 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:25:35,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:25:35,140 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-26 16:25:35,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268212681] [2021-03-26 16:25:35,141 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 16:25:35,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:25:35,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 16:25:35,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-03-26 16:25:35,141 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 54 [2021-03-26 16:25:35,141 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 461 places, 869 transitions, 28076 flow. Second operand has 11 states, 11 states have (on average 12.272727272727273) internal successors, (135), 11 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:35,142 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:25:35,142 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 54 [2021-03-26 16:25:35,142 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:25:36,458 INFO L129 PetriNetUnfolder]: 518/2400 cut-off events. [2021-03-26 16:25:36,458 INFO L130 PetriNetUnfolder]: For 275217/275223 co-relation queries the response was YES. [2021-03-26 16:25:36,483 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40118 conditions, 2400 events. 518/2400 cut-off events. For 275217/275223 co-relation queries the response was YES. Maximal size of possible extension queue 343. Compared 27714 event pairs, 10 based on Foata normal form. 7/2407 useless extension candidates. Maximal degree in co-relation 39525. Up to 1841 conditions per place. [2021-03-26 16:25:36,493 INFO L132 encePairwiseOnDemand]: 38/54 looper letters, 836 selfloop transitions, 31 changer transitions 1/872 dead transitions. [2021-03-26 16:25:36,493 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 469 places, 872 transitions, 29939 flow [2021-03-26 16:25:36,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 16:25:36,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 16:25:36,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 141 transitions. [2021-03-26 16:25:36,494 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.29012345679012347 [2021-03-26 16:25:36,494 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 141 transitions. [2021-03-26 16:25:36,494 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 141 transitions. [2021-03-26 16:25:36,494 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:25:36,495 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 141 transitions. [2021-03-26 16:25:36,495 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:36,495 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 54.0) internal successors, (540), 10 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:36,495 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 54.0) internal successors, (540), 10 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:36,495 INFO L185 Difference]: Start difference. First operand has 461 places, 869 transitions, 28076 flow. Second operand 9 states and 141 transitions. [2021-03-26 16:25:36,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 469 places, 872 transitions, 29939 flow [2021-03-26 16:25:38,053 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 465 places, 872 transitions, 29768 flow, removed 69 selfloop flow, removed 4 redundant places. [2021-03-26 16:25:38,071 INFO L241 Difference]: Finished difference. Result has 467 places, 871 transitions, 28064 flow [2021-03-26 16:25:38,072 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=27905, PETRI_DIFFERENCE_MINUEND_PLACES=457, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=869, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=838, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=28064, PETRI_PLACES=467, PETRI_TRANSITIONS=871} [2021-03-26 16:25:38,072 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 452 predicate places. [2021-03-26 16:25:38,072 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:25:38,072 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 467 places, 871 transitions, 28064 flow [2021-03-26 16:25:38,072 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 467 places, 871 transitions, 28064 flow [2021-03-26 16:25:38,081 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 467 places, 871 transitions, 28064 flow [2021-03-26 16:25:38,721 INFO L129 PetriNetUnfolder]: 518/2397 cut-off events. [2021-03-26 16:25:38,721 INFO L130 PetriNetUnfolder]: For 275263/275263 co-relation queries the response was YES. [2021-03-26 16:25:38,743 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38488 conditions, 2397 events. 518/2397 cut-off events. For 275263/275263 co-relation queries the response was YES. Maximal size of possible extension queue 346. Compared 27757 event pairs, 10 based on Foata normal form. 0/2397 useless extension candidates. Maximal degree in co-relation 37909. Up to 552 conditions per place. [2021-03-26 16:25:38,770 INFO L142 LiptonReduction]: Number of co-enabled transitions 366 [2021-03-26 16:25:38,844 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:25:38,844 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:25:38,844 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 772 [2021-03-26 16:25:38,844 INFO L480 AbstractCegarLoop]: Abstraction has has 467 places, 871 transitions, 28064 flow [2021-03-26 16:25:38,844 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 12.272727272727273) internal successors, (135), 11 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:38,844 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:25:38,844 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:25:39,045 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:25:39,045 INFO L428 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:25:39,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:25:39,045 INFO L82 PathProgramCache]: Analyzing trace with hash 101910414, now seen corresponding path program 2 times [2021-03-26 16:25:39,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:25:39,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977875077] [2021-03-26 16:25:39,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:25:39,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:25:39,051 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:25:39,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:39,056 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:25:39,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:39,062 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:25:39,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:39,068 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:25:39,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:39,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:25:39,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:39,073 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 16:25:39,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977875077] [2021-03-26 16:25:39,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506942073] [2021-03-26 16:25:39,073 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 [2021-03-26 16:25:39,104 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:25:39,104 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:25:39,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 16:25:39,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:25:39,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:39,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:39,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:39,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:39,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:39,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:39,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:39,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:39,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:39,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:39,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:39,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:39,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:39,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:39,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:39,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:39,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:39,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:39,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:39,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:39,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:39,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:39,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:39,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:39,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:39,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:39,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:39,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:39,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:39,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:39,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:39,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:39,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:39,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:39,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:39,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:39,155 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-26 16:25:39,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:25:39,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:39,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:39,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:25:39,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:39,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:39,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:39,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:39,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:25:39,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:39,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:39,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:39,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:25:39,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:25:39,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:39,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:39,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:39,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:39,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:39,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:39,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:39,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:39,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:39,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:39,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:39,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:39,177 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:25:39,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:25:39,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2021-03-26 16:25:39,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656394197] [2021-03-26 16:25:39,178 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 16:25:39,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:25:39,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 16:25:39,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-03-26 16:25:39,178 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 54 [2021-03-26 16:25:39,178 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 467 places, 871 transitions, 28064 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) [2021-03-26 16:25:39,178 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:25:39,178 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 54 [2021-03-26 16:25:39,179 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:25:40,727 INFO L129 PetriNetUnfolder]: 515/2404 cut-off events. [2021-03-26 16:25:40,727 INFO L130 PetriNetUnfolder]: For 279278/279314 co-relation queries the response was YES. [2021-03-26 16:25:40,754 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40264 conditions, 2404 events. 515/2404 cut-off events. For 279278/279314 co-relation queries the response was YES. Maximal size of possible extension queue 339. Compared 27678 event pairs, 0 based on Foata normal form. 17/2421 useless extension candidates. Maximal degree in co-relation 39582. Up to 625 conditions per place. [2021-03-26 16:25:40,765 INFO L132 encePairwiseOnDemand]: 33/54 looper letters, 596 selfloop transitions, 338 changer transitions 4/943 dead transitions. [2021-03-26 16:25:40,766 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 492 places, 943 transitions, 33181 flow [2021-03-26 16:25:40,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-26 16:25:40,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-26 16:25:40,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 414 transitions. [2021-03-26 16:25:40,767 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2948717948717949 [2021-03-26 16:25:40,767 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 414 transitions. [2021-03-26 16:25:40,767 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 414 transitions. [2021-03-26 16:25:40,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:25:40,767 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 414 transitions. [2021-03-26 16:25:40,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 15.923076923076923) internal successors, (414), 26 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:40,769 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 54.0) internal successors, (1458), 27 states have internal predecessors, (1458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:40,769 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 54.0) internal successors, (1458), 27 states have internal predecessors, (1458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:40,769 INFO L185 Difference]: Start difference. First operand has 467 places, 871 transitions, 28064 flow. Second operand 26 states and 414 transitions. [2021-03-26 16:25:40,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 492 places, 943 transitions, 33181 flow [2021-03-26 16:25:42,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 486 places, 943 transitions, 33046 flow, removed 42 selfloop flow, removed 6 redundant places. [2021-03-26 16:25:42,485 INFO L241 Difference]: Finished difference. Result has 488 places, 883 transitions, 29347 flow [2021-03-26 16:25:42,486 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=27690, PETRI_DIFFERENCE_MINUEND_PLACES=461, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=864, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=318, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=542, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=29347, PETRI_PLACES=488, PETRI_TRANSITIONS=883} [2021-03-26 16:25:42,486 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 473 predicate places. [2021-03-26 16:25:42,486 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:25:42,486 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 488 places, 883 transitions, 29347 flow [2021-03-26 16:25:42,486 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 488 places, 883 transitions, 29347 flow [2021-03-26 16:25:42,496 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 486 places, 883 transitions, 29347 flow [2021-03-26 16:25:43,131 INFO L129 PetriNetUnfolder]: 515/2403 cut-off events. [2021-03-26 16:25:43,132 INFO L130 PetriNetUnfolder]: For 284953/284962 co-relation queries the response was YES. [2021-03-26 16:25:43,158 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39342 conditions, 2403 events. 515/2403 cut-off events. For 284953/284962 co-relation queries the response was YES. Maximal size of possible extension queue 340. Compared 27895 event pairs, 10 based on Foata normal form. 0/2403 useless extension candidates. Maximal degree in co-relation 38753. Up to 558 conditions per place. [2021-03-26 16:25:43,185 INFO L142 LiptonReduction]: Number of co-enabled transitions 368 [2021-03-26 16:25:43,269 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:25:43,270 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:25:43,270 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 784 [2021-03-26 16:25:43,270 INFO L480 AbstractCegarLoop]: Abstraction has has 486 places, 883 transitions, 29347 flow [2021-03-26 16:25:43,270 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) [2021-03-26 16:25:43,270 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:25:43,270 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:25:43,470 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2021-03-26 16:25:43,471 INFO L428 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:25:43,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:25:43,471 INFO L82 PathProgramCache]: Analyzing trace with hash 185057095, now seen corresponding path program 2 times [2021-03-26 16:25:43,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:25:43,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289780528] [2021-03-26 16:25:43,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:25:43,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:25:43,479 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:25:43,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:43,483 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:25:43,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:43,488 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:25:43,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:43,492 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:25:43,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:43,493 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:25:43,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:43,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:43,498 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 16:25:43,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289780528] [2021-03-26 16:25:43,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561041192] [2021-03-26 16:25:43,499 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 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 [2021-03-26 16:25:43,513 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:25:43,513 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:25:43,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 16:25:43,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:25:43,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:43,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:43,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:43,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:43,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:43,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:43,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:43,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:43,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:43,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:43,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:43,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:43,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:43,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:43,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:43,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:43,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:43,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:43,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:43,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:43,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:43,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:43,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:43,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:43,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:43,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:43,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:43,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:43,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:43,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:43,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:43,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:43,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:43,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:43,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:43,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:43,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:43,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:43,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:25:43,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:43,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:43,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:25:43,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:43,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:43,577 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 16:25:43,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:43,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:43,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:43,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:25:43,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:43,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:43,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:43,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:43,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:43,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:43,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:43,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:43,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:43,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:43,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:43,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:43,584 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:25:43,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:25:43,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2021-03-26 16:25:43,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628201408] [2021-03-26 16:25:43,584 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 16:25:43,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:25:43,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 16:25:43,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-03-26 16:25:43,585 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 54 [2021-03-26 16:25:43,585 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 486 places, 883 transitions, 29347 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) [2021-03-26 16:25:43,585 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:25:43,585 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 54 [2021-03-26 16:25:43,585 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:25:45,290 INFO L129 PetriNetUnfolder]: 571/2650 cut-off events. [2021-03-26 16:25:45,291 INFO L130 PetriNetUnfolder]: For 330132/330138 co-relation queries the response was YES. [2021-03-26 16:25:45,320 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45649 conditions, 2650 events. 571/2650 cut-off events. For 330132/330138 co-relation queries the response was YES. Maximal size of possible extension queue 371. Compared 31139 event pairs, 14 based on Foata normal form. 20/2670 useless extension candidates. Maximal degree in co-relation 44875. Up to 1168 conditions per place. [2021-03-26 16:25:45,334 INFO L132 encePairwiseOnDemand]: 34/54 looper letters, 649 selfloop transitions, 343 changer transitions 2/999 dead transitions. [2021-03-26 16:25:45,334 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 502 places, 999 transitions, 35887 flow [2021-03-26 16:25:45,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 16:25:45,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 16:25:45,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 301 transitions. [2021-03-26 16:25:45,335 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3096707818930041 [2021-03-26 16:25:45,336 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 301 transitions. [2021-03-26 16:25:45,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 301 transitions. [2021-03-26 16:25:45,336 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:25:45,336 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 301 transitions. [2021-03-26 16:25:45,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 16.72222222222222) internal successors, (301), 18 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) [2021-03-26 16:25:45,337 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 54.0) internal successors, (1026), 19 states have internal predecessors, (1026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:45,337 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 54.0) internal successors, (1026), 19 states have internal predecessors, (1026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:45,337 INFO L185 Difference]: Start difference. First operand has 486 places, 883 transitions, 29347 flow. Second operand 18 states and 301 transitions. [2021-03-26 16:25:45,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 502 places, 999 transitions, 35887 flow [2021-03-26 16:25:47,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 491 places, 999 transitions, 35402 flow, removed 197 selfloop flow, removed 11 redundant places. [2021-03-26 16:25:47,105 INFO L241 Difference]: Finished difference. Result has 494 places, 942 transitions, 32133 flow [2021-03-26 16:25:47,105 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=28695, PETRI_DIFFERENCE_MINUEND_PLACES=474, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=877, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=298, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=559, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=32133, PETRI_PLACES=494, PETRI_TRANSITIONS=942} [2021-03-26 16:25:47,106 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 479 predicate places. [2021-03-26 16:25:47,106 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:25:47,106 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 494 places, 942 transitions, 32133 flow [2021-03-26 16:25:47,106 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 494 places, 942 transitions, 32133 flow [2021-03-26 16:25:47,121 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 494 places, 942 transitions, 32133 flow [2021-03-26 16:25:47,886 INFO L129 PetriNetUnfolder]: 571/2656 cut-off events. [2021-03-26 16:25:47,886 INFO L130 PetriNetUnfolder]: For 330211/330211 co-relation queries the response was YES. [2021-03-26 16:25:47,920 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44336 conditions, 2656 events. 571/2656 cut-off events. For 330211/330211 co-relation queries the response was YES. Maximal size of possible extension queue 377. Compared 31333 event pairs, 14 based on Foata normal form. 0/2656 useless extension candidates. Maximal degree in co-relation 43539. Up to 626 conditions per place. [2021-03-26 16:25:47,952 INFO L142 LiptonReduction]: Number of co-enabled transitions 406 [2021-03-26 16:25:48,212 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:25:48,212 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 16:25:48,213 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1107 [2021-03-26 16:25:48,213 INFO L480 AbstractCegarLoop]: Abstraction has has 494 places, 942 transitions, 32156 flow [2021-03-26 16:25:48,213 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) [2021-03-26 16:25:48,213 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:25:48,213 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:25:48,413 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2021-03-26 16:25:48,413 INFO L428 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:25:48,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:25:48,414 INFO L82 PathProgramCache]: Analyzing trace with hash 402402932, now seen corresponding path program 2 times [2021-03-26 16:25:48,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:25:48,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174200122] [2021-03-26 16:25:48,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:25:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:25:48,423 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:25:48,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:48,428 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:25:48,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:48,432 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:25:48,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:48,437 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:25:48,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:48,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:25:48,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:48,442 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 16:25:48,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174200122] [2021-03-26 16:25:48,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1569639888] [2021-03-26 16:25:48,442 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 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:25:48,457 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:25:48,457 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:25:48,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 16:25:48,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:25:48,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:48,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:48,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:48,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:48,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:48,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:48,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:48,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:48,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:48,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:48,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:48,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:48,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:48,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:48,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:48,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:48,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:48,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:48,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:48,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:48,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:48,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:48,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:48,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:48,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:48,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:48,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:48,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:48,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:48,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:48,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:48,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:48,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:48,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:48,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:48,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:48,507 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-26 16:25:48,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:25:48,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:48,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:48,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:25:48,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:48,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:48,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:48,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:48,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:48,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:48,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:48,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:48,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:25:48,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:48,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:48,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:48,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:25:48,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:25:48,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:48,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:48,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:48,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:48,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:48,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:48,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:48,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:48,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:48,527 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:25:48,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:25:48,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2021-03-26 16:25:48,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271353033] [2021-03-26 16:25:48,527 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 16:25:48,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:25:48,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 16:25:48,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-03-26 16:25:48,528 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 55 [2021-03-26 16:25:48,528 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 494 places, 942 transitions, 32156 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) [2021-03-26 16:25:48,528 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:25:48,528 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 55 [2021-03-26 16:25:48,528 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:25:50,246 INFO L129 PetriNetUnfolder]: 564/2614 cut-off events. [2021-03-26 16:25:50,246 INFO L130 PetriNetUnfolder]: For 327420/327420 co-relation queries the response was YES. [2021-03-26 16:25:50,274 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45657 conditions, 2614 events. 564/2614 cut-off events. For 327420/327420 co-relation queries the response was YES. Maximal size of possible extension queue 359. Compared 30500 event pairs, 0 based on Foata normal form. 16/2630 useless extension candidates. Maximal degree in co-relation 44839. Up to 658 conditions per place. [2021-03-26 16:25:50,286 INFO L132 encePairwiseOnDemand]: 36/55 looper letters, 580 selfloop transitions, 389 changer transitions 3/977 dead transitions. [2021-03-26 16:25:50,286 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 977 transitions, 36071 flow [2021-03-26 16:25:50,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-26 16:25:50,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-03-26 16:25:50,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 368 transitions. [2021-03-26 16:25:50,287 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2909090909090909 [2021-03-26 16:25:50,287 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 368 transitions. [2021-03-26 16:25:50,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 368 transitions. [2021-03-26 16:25:50,287 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:25:50,287 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 368 transitions. [2021-03-26 16:25:50,287 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 16.0) internal successors, (368), 23 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:50,288 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 55.0) internal successors, (1320), 24 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:50,288 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 55.0) internal successors, (1320), 24 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:50,288 INFO L185 Difference]: Start difference. First operand has 494 places, 942 transitions, 32156 flow. Second operand 23 states and 368 transitions. [2021-03-26 16:25:50,288 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 516 places, 977 transitions, 36071 flow [2021-03-26 16:25:51,943 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 507 places, 977 transitions, 35682 flow, removed 161 selfloop flow, removed 9 redundant places. [2021-03-26 16:25:51,973 INFO L241 Difference]: Finished difference. Result has 510 places, 943 transitions, 33126 flow [2021-03-26 16:25:51,974 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=31325, PETRI_DIFFERENCE_MINUEND_PLACES=485, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=928, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=371, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=550, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=33126, PETRI_PLACES=510, PETRI_TRANSITIONS=943} [2021-03-26 16:25:51,974 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 495 predicate places. [2021-03-26 16:25:51,974 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:25:51,974 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 510 places, 943 transitions, 33126 flow [2021-03-26 16:25:51,975 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 510 places, 943 transitions, 33126 flow [2021-03-26 16:25:51,990 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 509 places, 943 transitions, 33126 flow [2021-03-26 16:25:52,758 INFO L129 PetriNetUnfolder]: 564/2611 cut-off events. [2021-03-26 16:25:52,758 INFO L130 PetriNetUnfolder]: For 330737/330743 co-relation queries the response was YES. [2021-03-26 16:25:52,790 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44551 conditions, 2611 events. 564/2611 cut-off events. For 330737/330743 co-relation queries the response was YES. Maximal size of possible extension queue 359. Compared 30588 event pairs, 14 based on Foata normal form. 0/2611 useless extension candidates. Maximal degree in co-relation 43740. Up to 628 conditions per place. [2021-03-26 16:25:52,824 INFO L142 LiptonReduction]: Number of co-enabled transitions 396 [2021-03-26 16:25:52,926 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:25:52,926 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:25:52,926 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 952 [2021-03-26 16:25:52,927 INFO L480 AbstractCegarLoop]: Abstraction has has 509 places, 943 transitions, 33126 flow [2021-03-26 16:25:52,927 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) [2021-03-26 16:25:52,927 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:25:52,927 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:25:53,127 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2021-03-26 16:25:53,127 INFO L428 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:25:53,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:25:53,128 INFO L82 PathProgramCache]: Analyzing trace with hash 1662538507, now seen corresponding path program 1 times [2021-03-26 16:25:53,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:25:53,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281529025] [2021-03-26 16:25:53,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:25:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:25:53,147 INFO L142 QuantifierPusher]: treesize reduction 69, result has 25.8 percent of original size [2021-03-26 16:25:53,147 INFO L147 QuantifierPusher]: treesize reduction 5, result has 79.2 percent of original size 19 [2021-03-26 16:25:53,164 INFO L142 QuantifierPusher]: treesize reduction 90, result has 44.1 percent of original size [2021-03-26 16:25:53,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-26 16:25:53,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:25:53,194 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-26 16:25:53,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:53,201 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:25:53,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281529025] [2021-03-26 16:25:53,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906277676] [2021-03-26 16:25:53,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-26 16:25:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:25:53,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-26 16:25:53,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:25:53,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:53,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:53,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:53,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 Waiting until toolchain timeout for monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:25:53,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:53,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:53,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:53,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:53,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,249 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-03-26 16:25:53,249 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-26 16:25:53,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:25:53,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:25:53,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:25:53,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:25:53,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:25:53,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:25:53,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:25:53,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:25:53,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:25:53,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:25:53,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:25:53,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:25:53,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:53,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:25:53,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:25:53,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:53,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:25:53,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:25:53,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-03-26 16:25:53,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:53,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:53,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:25:53,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:53,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:53,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:25:53,287 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-03-26 16:25:53,289 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:53,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:53,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:25:53,290 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-03-26 16:25:53,290 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:10 [2021-03-26 16:25:53,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:53,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:53,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:25:53,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:53,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:53,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:25:53,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:53,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:53,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:53,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:53,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:53,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:53,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:53,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:53,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:53,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:53,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:53,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:53,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:53,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:53,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:53,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:53,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:53,308 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:25:53,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:25:53,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-03-26 16:25:53,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105660327] [2021-03-26 16:25:53,308 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 16:25:53,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:25:53,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 16:25:53,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-26 16:25:53,309 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 55 [2021-03-26 16:25:53,309 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 509 places, 943 transitions, 33126 flow. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 9 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:53,309 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:25:53,309 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 55 [2021-03-26 16:25:53,309 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:25:54,750 INFO L129 PetriNetUnfolder]: 564/2600 cut-off events. [2021-03-26 16:25:54,751 INFO L130 PetriNetUnfolder]: For 331783/331814 co-relation queries the response was YES. [2021-03-26 16:25:54,785 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46533 conditions, 2600 events. 564/2600 cut-off events. For 331783/331814 co-relation queries the response was YES. Maximal size of possible extension queue 351. Compared 30287 event pairs, 14 based on Foata normal form. 22/2622 useless extension candidates. Maximal degree in co-relation 45695. Up to 1991 conditions per place. [2021-03-26 16:25:54,797 INFO L132 encePairwiseOnDemand]: 41/55 looper letters, 919 selfloop transitions, 26 changer transitions 0/949 dead transitions. [2021-03-26 16:25:54,798 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 949 transitions, 35425 flow [2021-03-26 16:25:54,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 16:25:54,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 16:25:54,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 128 transitions. [2021-03-26 16:25:54,798 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2909090909090909 [2021-03-26 16:25:54,798 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 128 transitions. [2021-03-26 16:25:54,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 128 transitions. [2021-03-26 16:25:54,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:25:54,799 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 128 transitions. [2021-03-26 16:25:54,799 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 16.0) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:54,799 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 55.0) internal successors, (495), 9 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:54,800 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 55.0) internal successors, (495), 9 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:54,800 INFO L185 Difference]: Start difference. First operand has 509 places, 943 transitions, 33126 flow. Second operand 8 states and 128 transitions. [2021-03-26 16:25:54,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 516 places, 949 transitions, 35425 flow [2021-03-26 16:25:56,711 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 505 places, 949 transitions, 34915 flow, removed 171 selfloop flow, removed 11 redundant places. [2021-03-26 16:25:56,733 INFO L241 Difference]: Finished difference. Result has 507 places, 946 transitions, 32889 flow [2021-03-26 16:25:56,733 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=32618, PETRI_DIFFERENCE_MINUEND_PLACES=498, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=943, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=917, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=32889, PETRI_PLACES=507, PETRI_TRANSITIONS=946} [2021-03-26 16:25:56,733 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 492 predicate places. [2021-03-26 16:25:56,733 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:25:56,733 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 507 places, 946 transitions, 32889 flow [2021-03-26 16:25:56,733 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 507 places, 946 transitions, 32889 flow [2021-03-26 16:25:56,744 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 507 places, 946 transitions, 32889 flow [2021-03-26 16:25:57,526 INFO L129 PetriNetUnfolder]: 564/2607 cut-off events. [2021-03-26 16:25:57,526 INFO L130 PetriNetUnfolder]: For 325722/325722 co-relation queries the response was YES. [2021-03-26 16:25:57,554 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44125 conditions, 2607 events. 564/2607 cut-off events. For 325722/325722 co-relation queries the response was YES. Maximal size of possible extension queue 358. Compared 30565 event pairs, 14 based on Foata normal form. 0/2607 useless extension candidates. Maximal degree in co-relation 43311. Up to 628 conditions per place. [2021-03-26 16:25:57,587 INFO L142 LiptonReduction]: Number of co-enabled transitions 398 [2021-03-26 16:25:57,696 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:25:57,697 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:25:57,697 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 964 [2021-03-26 16:25:57,697 INFO L480 AbstractCegarLoop]: Abstraction has has 507 places, 946 transitions, 32889 flow [2021-03-26 16:25:57,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 9 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:57,697 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:25:57,697 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:25:57,897 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2021-03-26 16:25:57,898 INFO L428 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:25:57,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:25:57,898 INFO L82 PathProgramCache]: Analyzing trace with hash 813049408, now seen corresponding path program 1 times [2021-03-26 16:25:57,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:25:57,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914226005] [2021-03-26 16:25:57,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:25:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:25:57,903 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:25:57,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:57,908 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:25:57,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:57,913 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:25:57,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:57,919 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:25:57,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:57,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:57,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:25:57,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:57,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:25:57,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:57,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:57,933 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:25:57,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914226005] [2021-03-26 16:25:57,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [339209668] [2021-03-26 16:25:57,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:25:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:25:57,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 16:25:57,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:25:57,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:57,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:57,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:57,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:57,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:57,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:57,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:57,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:57,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:57,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:57,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:57,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:57,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:57,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:57,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:57,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:57,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:57,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:57,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:57,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:57,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:57,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:57,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:57,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:57,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:57,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:57,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:57,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:57,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:57,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:57,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:57,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:57,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:57,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:57,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:57,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:57,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:57,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:57,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:57,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:57,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:57,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:57,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:57,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:57,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:57,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:57,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:57,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:25:57,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:57,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:57,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:57,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:57,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:57,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:57,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:57,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:57,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:25:57,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:57,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:57,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:57,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:57,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:25:57,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:57,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:57,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:57,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:58,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:58,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:58,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:58,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:58,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:58,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:58,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:58,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:58,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:58,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:58,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:58,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:58,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:25:58,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:58,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:58,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:58,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:25:58,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:25:58,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:58,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:58,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:58,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:25:58,022 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 16:25:58,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:58,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:58,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:25:58,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:58,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:25:58,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:25:58,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:58,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:58,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:58,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:58,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:58,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:58,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:58,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:58,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:58,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:58,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:58,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:58,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:58,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:58,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:25:58,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:25:58,029 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:25:58,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:25:58,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-03-26 16:25:58,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177810153] [2021-03-26 16:25:58,030 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 16:25:58,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:25:58,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 16:25:58,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-03-26 16:25:58,030 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 55 [2021-03-26 16:25:58,031 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 507 places, 946 transitions, 32889 flow. Second operand has 13 states, 13 states have (on average 14.076923076923077) internal successors, (183), 13 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:58,031 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:25:58,031 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 55 [2021-03-26 16:25:58,031 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:25:59,827 INFO L129 PetriNetUnfolder]: 592/2704 cut-off events. [2021-03-26 16:25:59,827 INFO L130 PetriNetUnfolder]: For 348374/348381 co-relation queries the response was YES. [2021-03-26 16:25:59,860 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47961 conditions, 2704 events. 592/2704 cut-off events. For 348374/348381 co-relation queries the response was YES. Maximal size of possible extension queue 369. Compared 31600 event pairs, 15 based on Foata normal form. 16/2720 useless extension candidates. Maximal degree in co-relation 47126. Up to 1543 conditions per place. [2021-03-26 16:25:59,874 INFO L132 encePairwiseOnDemand]: 36/55 looper letters, 806 selfloop transitions, 208 changer transitions 1/1020 dead transitions. [2021-03-26 16:25:59,874 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 523 places, 1020 transitions, 38123 flow [2021-03-26 16:25:59,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 16:25:59,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 16:25:59,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 290 transitions. [2021-03-26 16:25:59,876 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31016042780748665 [2021-03-26 16:25:59,876 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 290 transitions. [2021-03-26 16:25:59,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 290 transitions. [2021-03-26 16:25:59,876 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:25:59,876 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 290 transitions. [2021-03-26 16:25:59,877 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 17.058823529411764) internal successors, (290), 17 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) [2021-03-26 16:25:59,878 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 55.0) internal successors, (990), 18 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:59,878 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 55.0) internal successors, (990), 18 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:25:59,878 INFO L185 Difference]: Start difference. First operand has 507 places, 946 transitions, 32889 flow. Second operand 17 states and 290 transitions. [2021-03-26 16:25:59,878 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 523 places, 1020 transitions, 38123 flow [2021-03-26 16:26:02,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 518 places, 1020 transitions, 37915 flow, removed 85 selfloop flow, removed 5 redundant places. [2021-03-26 16:26:02,091 INFO L241 Difference]: Finished difference. Result has 524 places, 996 transitions, 35467 flow [2021-03-26 16:26:02,092 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=32689, PETRI_DIFFERENCE_MINUEND_PLACES=502, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=946, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=171, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=762, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=35467, PETRI_PLACES=524, PETRI_TRANSITIONS=996} [2021-03-26 16:26:02,092 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 509 predicate places. [2021-03-26 16:26:02,092 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:26:02,092 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 524 places, 996 transitions, 35467 flow [2021-03-26 16:26:02,092 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 524 places, 996 transitions, 35467 flow [2021-03-26 16:26:02,104 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 524 places, 996 transitions, 35467 flow [2021-03-26 16:26:02,892 INFO L129 PetriNetUnfolder]: 592/2714 cut-off events. [2021-03-26 16:26:02,893 INFO L130 PetriNetUnfolder]: For 357035/357035 co-relation queries the response was YES. [2021-03-26 16:26:02,927 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46890 conditions, 2714 events. 592/2714 cut-off events. For 357035/357035 co-relation queries the response was YES. Maximal size of possible extension queue 380. Compared 32016 event pairs, 15 based on Foata normal form. 0/2714 useless extension candidates. Maximal degree in co-relation 46044. Up to 668 conditions per place. [2021-03-26 16:26:02,964 INFO L142 LiptonReduction]: Number of co-enabled transitions 440 [2021-03-26 16:26:03,069 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:26:03,069 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:26:03,069 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 977 [2021-03-26 16:26:03,069 INFO L480 AbstractCegarLoop]: Abstraction has has 524 places, 996 transitions, 35467 flow [2021-03-26 16:26:03,069 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 14.076923076923077) internal successors, (183), 13 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:26:03,069 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:26:03,070 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:26:03,271 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,56 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:26:03,271 INFO L428 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:26:03,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:26:03,271 INFO L82 PathProgramCache]: Analyzing trace with hash -1792203333, now seen corresponding path program 2 times [2021-03-26 16:26:03,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:26:03,271 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130817538] [2021-03-26 16:26:03,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:26:03,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:26:03,277 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:26:03,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:03,282 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:26:03,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:03,287 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:26:03,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:03,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:26:03,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:26:03,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:03,302 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:26:03,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130817538] [2021-03-26 16:26:03,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [810374785] [2021-03-26 16:26:03,302 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 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:26:03,317 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:26:03,317 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:26:03,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 16:26:03,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:26:03,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:03,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:03,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:03,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:03,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:03,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:03,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:03,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:03,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:03,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:03,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:26:03,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:03,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:03,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:26:03,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:03,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:03,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:03,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:03,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:03,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:03,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:03,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:03,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:26:03,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:03,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:03,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:26:03,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:03,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:03,356 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-26 16:26:03,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:26:03,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:03,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:03,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:26:03,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:03,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:03,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:03,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:03,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:26:03,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:03,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:03,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:26:03,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:03,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:03,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:03,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:03,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:26:03,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:03,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:03,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:03,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:26:03,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:26:03,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:03,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:03,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:03,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:03,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:03,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:03,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:03,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:03,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:03,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:03,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:03,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:03,391 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:26:03,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:26:03,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-03-26 16:26:03,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67431508] [2021-03-26 16:26:03,391 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 16:26:03,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:26:03,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 16:26:03,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-03-26 16:26:03,392 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 55 [2021-03-26 16:26:03,392 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 524 places, 996 transitions, 35467 flow. Second operand has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 12 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:26:03,392 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:26:03,392 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 55 [2021-03-26 16:26:03,392 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:26:05,457 INFO L129 PetriNetUnfolder]: 669/3119 cut-off events. [2021-03-26 16:26:05,457 INFO L130 PetriNetUnfolder]: For 443816/443823 co-relation queries the response was YES. [2021-03-26 16:26:05,495 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57249 conditions, 3119 events. 669/3119 cut-off events. For 443816/443823 co-relation queries the response was YES. Maximal size of possible extension queue 433. Compared 37631 event pairs, 0 based on Foata normal form. 23/3142 useless extension candidates. Maximal degree in co-relation 56382. Up to 796 conditions per place. [2021-03-26 16:26:05,510 INFO L132 encePairwiseOnDemand]: 31/55 looper letters, 719 selfloop transitions, 457 changer transitions 9/1190 dead transitions. [2021-03-26 16:26:05,510 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 545 places, 1190 transitions, 46869 flow [2021-03-26 16:26:05,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-26 16:26:05,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-03-26 16:26:05,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 358 transitions. [2021-03-26 16:26:05,511 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2958677685950413 [2021-03-26 16:26:05,511 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 358 transitions. [2021-03-26 16:26:05,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 358 transitions. [2021-03-26 16:26:05,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:26:05,511 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 358 transitions. [2021-03-26 16:26:05,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 16.272727272727273) internal successors, (358), 22 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) [2021-03-26 16:26:05,513 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 55.0) internal successors, (1265), 23 states have internal predecessors, (1265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:26:05,513 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 55.0) internal successors, (1265), 23 states have internal predecessors, (1265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:26:05,513 INFO L185 Difference]: Start difference. First operand has 524 places, 996 transitions, 35467 flow. Second operand 22 states and 358 transitions. [2021-03-26 16:26:05,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 545 places, 1190 transitions, 46869 flow [2021-03-26 16:26:07,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 534 places, 1190 transitions, 46102 flow, removed 352 selfloop flow, removed 11 redundant places. [2021-03-26 16:26:07,892 INFO L241 Difference]: Finished difference. Result has 541 places, 1071 transitions, 40250 flow [2021-03-26 16:26:07,892 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=34789, PETRI_DIFFERENCE_MINUEND_PLACES=513, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=992, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=382, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=573, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=40250, PETRI_PLACES=541, PETRI_TRANSITIONS=1071} [2021-03-26 16:26:07,892 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 526 predicate places. [2021-03-26 16:26:07,892 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:26:07,893 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 541 places, 1071 transitions, 40250 flow [2021-03-26 16:26:07,893 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 541 places, 1071 transitions, 40250 flow [2021-03-26 16:26:07,905 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 539 places, 1071 transitions, 40250 flow [2021-03-26 16:26:08,916 INFO L129 PetriNetUnfolder]: 669/3123 cut-off events. [2021-03-26 16:26:08,917 INFO L130 PetriNetUnfolder]: For 474942/474948 co-relation queries the response was YES. [2021-03-26 16:26:08,955 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56557 conditions, 3123 events. 669/3123 cut-off events. For 474942/474948 co-relation queries the response was YES. Maximal size of possible extension queue 442. Compared 38107 event pairs, 16 based on Foata normal form. 0/3123 useless extension candidates. Maximal degree in co-relation 55692. Up to 782 conditions per place. [2021-03-26 16:26:08,993 INFO L142 LiptonReduction]: Number of co-enabled transitions 464 [2021-03-26 16:26:09,397 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:26:09,398 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 16:26:09,398 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1506 [2021-03-26 16:26:09,398 INFO L480 AbstractCegarLoop]: Abstraction has has 539 places, 1071 transitions, 40278 flow [2021-03-26 16:26:09,398 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 12 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:26:09,398 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:26:09,398 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:26:09,605 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,57 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:26:09,605 INFO L428 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:26:09,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:26:09,605 INFO L82 PathProgramCache]: Analyzing trace with hash -1995065222, now seen corresponding path program 1 times [2021-03-26 16:26:09,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:26:09,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378306498] [2021-03-26 16:26:09,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:26:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:26:09,611 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:26:09,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:09,616 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:26:09,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:09,621 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:26:09,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:09,626 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:26:09,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:09,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:26:09,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:26:09,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:09,643 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:26:09,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378306498] [2021-03-26 16:26:09,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554547344] [2021-03-26 16:26:09,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-26 16:26:09,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:26:09,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 16:26:09,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:26:09,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:09,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:09,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:26:09,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:09,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:09,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:09,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:09,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:09,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:09,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:09,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:09,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:09,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:09,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:09,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:09,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:26:09,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:09,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:09,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:26:09,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:09,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:09,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:09,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:09,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:26:09,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:09,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:09,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:26:09,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:09,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:09,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:09,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:09,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:26:09,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:09,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:09,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:26:09,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:09,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:09,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:09,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:09,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:09,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:09,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:09,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:09,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:26:09,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:09,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:09,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:26:09,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:09,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:09,763 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 16:26:09,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:09,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:09,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:09,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:26:09,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:09,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:09,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:09,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:09,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:09,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:09,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:09,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:09,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:09,768 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:26:09,768 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:26:09,769 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-03-26 16:26:09,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445039948] [2021-03-26 16:26:09,769 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 16:26:09,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:26:09,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 16:26:09,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-03-26 16:26:09,769 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 57 [2021-03-26 16:26:09,769 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 539 places, 1071 transitions, 40278 flow. Second operand has 13 states, 13 states have (on average 14.076923076923077) internal successors, (183), 13 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:26:09,769 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:26:09,769 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 57 [2021-03-26 16:26:09,769 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:26:12,068 INFO L129 PetriNetUnfolder]: 741/3416 cut-off events. [2021-03-26 16:26:12,068 INFO L130 PetriNetUnfolder]: For 546919/546926 co-relation queries the response was YES. [2021-03-26 16:26:12,109 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65241 conditions, 3416 events. 741/3416 cut-off events. For 546919/546926 co-relation queries the response was YES. Maximal size of possible extension queue 472. Compared 41836 event pairs, 19 based on Foata normal form. 28/3444 useless extension candidates. Maximal degree in co-relation 64355. Up to 1687 conditions per place. [2021-03-26 16:26:12,125 INFO L132 encePairwiseOnDemand]: 34/57 looper letters, 942 selfloop transitions, 324 changer transitions 1/1272 dead transitions. [2021-03-26 16:26:12,125 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 558 places, 1272 transitions, 52497 flow [2021-03-26 16:26:12,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-26 16:26:12,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-26 16:26:12,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 347 transitions. [2021-03-26 16:26:12,126 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3043859649122807 [2021-03-26 16:26:12,126 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 347 transitions. [2021-03-26 16:26:12,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 347 transitions. [2021-03-26 16:26:12,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:26:12,127 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 347 transitions. [2021-03-26 16:26:12,127 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 17.35) internal successors, (347), 20 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:26:12,128 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 57.0) internal successors, (1197), 21 states have internal predecessors, (1197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:26:12,128 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 57.0) internal successors, (1197), 21 states have internal predecessors, (1197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:26:12,128 INFO L185 Difference]: Start difference. First operand has 539 places, 1071 transitions, 40278 flow. Second operand 20 states and 347 transitions. [2021-03-26 16:26:12,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 558 places, 1272 transitions, 52497 flow [2021-03-26 16:26:15,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 552 places, 1272 transitions, 50326 flow, removed 1066 selfloop flow, removed 6 redundant places. [2021-03-26 16:26:15,176 INFO L241 Difference]: Finished difference. Result has 561 places, 1170 transitions, 44137 flow [2021-03-26 16:26:15,176 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=57, PETRI_DIFFERENCE_MINUEND_FLOW=39003, PETRI_DIFFERENCE_MINUEND_PLACES=533, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1071, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=233, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=783, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=44137, PETRI_PLACES=561, PETRI_TRANSITIONS=1170} [2021-03-26 16:26:15,177 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 546 predicate places. [2021-03-26 16:26:15,177 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:26:15,177 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 561 places, 1170 transitions, 44137 flow [2021-03-26 16:26:15,177 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 561 places, 1170 transitions, 44137 flow [2021-03-26 16:26:15,191 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 561 places, 1170 transitions, 44137 flow [2021-03-26 16:26:16,361 INFO L129 PetriNetUnfolder]: 740/3422 cut-off events. [2021-03-26 16:26:16,361 INFO L130 PetriNetUnfolder]: For 566322/566322 co-relation queries the response was YES. [2021-03-26 16:26:16,410 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63272 conditions, 3422 events. 740/3422 cut-off events. For 566322/566322 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 42181 event pairs, 20 based on Foata normal form. 0/3422 useless extension candidates. Maximal degree in co-relation 62394. Up to 887 conditions per place. [2021-03-26 16:26:16,454 INFO L142 LiptonReduction]: Number of co-enabled transitions 464 [2021-03-26 16:26:16,896 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:26:16,896 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 16:26:16,896 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1719 [2021-03-26 16:26:16,897 INFO L480 AbstractCegarLoop]: Abstraction has has 561 places, 1170 transitions, 44169 flow [2021-03-26 16:26:16,897 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 14.076923076923077) internal successors, (183), 13 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:26:16,897 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:26:16,897 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:26:17,098 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,58 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:26:17,099 INFO L428 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:26:17,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:26:17,099 INFO L82 PathProgramCache]: Analyzing trace with hash 1282880988, now seen corresponding path program 1 times [2021-03-26 16:26:17,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:26:17,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957849559] [2021-03-26 16:26:17,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:26:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:26:17,104 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:26:17,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:17,109 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:26:17,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:17,114 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:26:17,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:17,120 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:26:17,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:17,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:26:17,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:17,133 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:26:17,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957849559] [2021-03-26 16:26:17,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1942553685] [2021-03-26 16:26:17,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:26:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:26:17,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 16:26:17,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:26:17,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:17,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:17,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:17,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:17,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:17,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:17,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:17,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:17,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:17,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:17,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:17,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:17,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:17,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:17,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:26:17,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:17,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:17,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:26:17,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:17,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:17,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:17,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:17,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:26:17,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:17,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:26:17,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:26:17,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:17,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:17,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:17,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:17,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:26:17,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:17,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:17,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:26:17,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:17,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:17,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:17,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:17,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:17,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:17,217 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 16:26:17,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:17,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:17,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:17,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:26:17,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:17,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:17,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:17,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:17,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:17,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:17,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:17,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:17,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:17,223 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:26:17,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:26:17,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-03-26 16:26:17,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090185055] [2021-03-26 16:26:17,223 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 16:26:17,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:26:17,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 16:26:17,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-03-26 16:26:17,224 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 58 [2021-03-26 16:26:17,224 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 561 places, 1170 transitions, 44169 flow. Second operand has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:26:17,224 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:26:17,224 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 58 [2021-03-26 16:26:17,224 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:26:19,742 INFO L129 PetriNetUnfolder]: 757/3459 cut-off events. [2021-03-26 16:26:19,742 INFO L130 PetriNetUnfolder]: For 571747/571747 co-relation queries the response was YES. [2021-03-26 16:26:19,791 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66317 conditions, 3459 events. 757/3459 cut-off events. For 571747/571747 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 42363 event pairs, 18 based on Foata normal form. 6/3465 useless extension candidates. Maximal degree in co-relation 65418. Up to 2086 conditions per place. [2021-03-26 16:26:19,809 INFO L132 encePairwiseOnDemand]: 32/58 looper letters, 1101 selfloop transitions, 132 changer transitions 0/1238 dead transitions. [2021-03-26 16:26:19,809 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 573 places, 1238 transitions, 49477 flow [2021-03-26 16:26:19,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 16:26:19,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 16:26:19,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 229 transitions. [2021-03-26 16:26:19,810 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3037135278514589 [2021-03-26 16:26:19,810 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 229 transitions. [2021-03-26 16:26:19,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 229 transitions. [2021-03-26 16:26:19,810 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:26:19,810 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 229 transitions. [2021-03-26 16:26:19,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 17.615384615384617) internal successors, (229), 13 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) [2021-03-26 16:26:19,811 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 58.0) internal successors, (812), 14 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:26:19,811 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 58.0) internal successors, (812), 14 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:26:19,811 INFO L185 Difference]: Start difference. First operand has 561 places, 1170 transitions, 44169 flow. Second operand 13 states and 229 transitions. [2021-03-26 16:26:19,812 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 573 places, 1238 transitions, 49477 flow [2021-03-26 16:26:23,071 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 565 places, 1238 transitions, 48576 flow, removed 405 selfloop flow, removed 8 redundant places. [2021-03-26 16:26:23,100 INFO L241 Difference]: Finished difference. Result has 568 places, 1192 transitions, 44537 flow [2021-03-26 16:26:23,100 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=58, PETRI_DIFFERENCE_MINUEND_FLOW=43274, PETRI_DIFFERENCE_MINUEND_PLACES=553, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=110, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1040, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=44537, PETRI_PLACES=568, PETRI_TRANSITIONS=1192} [2021-03-26 16:26:23,100 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 553 predicate places. [2021-03-26 16:26:23,101 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:26:23,101 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 568 places, 1192 transitions, 44537 flow [2021-03-26 16:26:23,101 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 568 places, 1192 transitions, 44537 flow [2021-03-26 16:26:23,114 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 568 places, 1192 transitions, 44537 flow [2021-03-26 16:26:24,170 INFO L129 PetriNetUnfolder]: 757/3471 cut-off events. [2021-03-26 16:26:24,170 INFO L130 PetriNetUnfolder]: For 575931/575955 co-relation queries the response was YES. [2021-03-26 16:26:24,214 INFO L84 FinitePrefix]: Finished finitePrefix Result has 64002 conditions, 3471 events. 757/3471 cut-off events. For 575931/575955 co-relation queries the response was YES. Maximal size of possible extension queue 485. Compared 42738 event pairs, 20 based on Foata normal form. 0/3471 useless extension candidates. Maximal degree in co-relation 63105. Up to 893 conditions per place. [2021-03-26 16:26:24,256 INFO L142 LiptonReduction]: Number of co-enabled transitions 488 [2021-03-26 16:26:24,400 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:26:24,401 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:26:24,401 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1300 [2021-03-26 16:26:24,401 INFO L480 AbstractCegarLoop]: Abstraction has has 568 places, 1192 transitions, 44537 flow [2021-03-26 16:26:24,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:26:24,401 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:26:24,401 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:26:24,607 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable63 [2021-03-26 16:26:24,607 INFO L428 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:26:24,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:26:24,608 INFO L82 PathProgramCache]: Analyzing trace with hash -1420341594, now seen corresponding path program 1 times [2021-03-26 16:26:24,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:26:24,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291207456] [2021-03-26 16:26:24,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:26:24,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:26:24,631 INFO L142 QuantifierPusher]: treesize reduction 35, result has 42.6 percent of original size [2021-03-26 16:26:24,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 16:26:24,653 INFO L142 QuantifierPusher]: treesize reduction 42, result has 62.8 percent of original size [2021-03-26 16:26:24,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-26 16:26:24,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:26:24,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:26:24,697 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 16:26:24,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:24,707 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:26:24,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291207456] [2021-03-26 16:26:24,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628524367] [2021-03-26 16:26:24,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-26 16:26:24,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:26:24,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-26 16:26:24,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:26:24,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:24,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:24,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:24,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 Waiting until toolchain timeout for monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:26:24,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:24,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:24,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:24,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:24,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:26:24,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:26:24,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:26:24,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:26:24,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:26:24,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:26:24,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:26:24,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:26:24,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,766 INFO L147 QuantifierPusher]: treesize reduction 12, result has 53.8 percent of original size 14 [2021-03-26 16:26:24,766 INFO L142 QuantifierPusher]: treesize reduction 12, result has 53.8 percent of original size [2021-03-26 16:26:24,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:26:24,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:26:24,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:26:24,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:26:24,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:26:24,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:26:24,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:26:24,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:26:24,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:26:24,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:26:24,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:26:24,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:26:24,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:26:24,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:26:24,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:26:24,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:24,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:24,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:24,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:24,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:24,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:24,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:24,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:24,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:24,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:24,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:24,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:24,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:24,809 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:26:24,809 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:26:24,810 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-26 16:26:24,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677740177] [2021-03-26 16:26:24,810 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 16:26:24,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:26:24,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 16:26:24,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-03-26 16:26:24,810 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 58 [2021-03-26 16:26:24,811 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 568 places, 1192 transitions, 44537 flow. Second operand has 11 states, 11 states have (on average 12.272727272727273) internal successors, (135), 11 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:26:24,811 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:26:24,811 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 58 [2021-03-26 16:26:24,811 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:26:27,538 INFO L129 PetriNetUnfolder]: 761/3465 cut-off events. [2021-03-26 16:26:27,538 INFO L130 PetriNetUnfolder]: For 582004/582004 co-relation queries the response was YES. [2021-03-26 16:26:27,576 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66975 conditions, 3465 events. 761/3465 cut-off events. For 582004/582004 co-relation queries the response was YES. Maximal size of possible extension queue 479. Compared 42423 event pairs, 20 based on Foata normal form. 3/3468 useless extension candidates. Maximal degree in co-relation 66051. Up to 2645 conditions per place. [2021-03-26 16:26:27,592 INFO L132 encePairwiseOnDemand]: 41/58 looper letters, 1156 selfloop transitions, 41 changer transitions 0/1201 dead transitions. [2021-03-26 16:26:27,592 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 577 places, 1201 transitions, 47342 flow [2021-03-26 16:26:27,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 16:26:27,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 16:26:27,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 158 transitions. [2021-03-26 16:26:27,593 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27241379310344827 [2021-03-26 16:26:27,593 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 158 transitions. [2021-03-26 16:26:27,593 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 158 transitions. [2021-03-26 16:26:27,593 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:26:27,593 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 158 transitions. [2021-03-26 16:26:27,594 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 15.8) internal successors, (158), 10 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) [2021-03-26 16:26:27,594 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 58.0) internal successors, (638), 11 states have internal predecessors, (638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:26:27,594 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 58.0) internal successors, (638), 11 states have internal predecessors, (638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:26:27,594 INFO L185 Difference]: Start difference. First operand has 568 places, 1192 transitions, 44537 flow. Second operand 10 states and 158 transitions. [2021-03-26 16:26:27,594 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 577 places, 1201 transitions, 47342 flow [2021-03-26 16:26:30,721 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 570 places, 1201 transitions, 47115 flow, removed 48 selfloop flow, removed 7 redundant places. [2021-03-26 16:26:30,750 INFO L241 Difference]: Finished difference. Result has 572 places, 1198 transitions, 44636 flow [2021-03-26 16:26:30,751 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=58, PETRI_DIFFERENCE_MINUEND_FLOW=44310, PETRI_DIFFERENCE_MINUEND_PLACES=561, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=44636, PETRI_PLACES=572, PETRI_TRANSITIONS=1198} [2021-03-26 16:26:30,751 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 557 predicate places. [2021-03-26 16:26:30,751 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:26:30,751 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 572 places, 1198 transitions, 44636 flow [2021-03-26 16:26:30,751 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 572 places, 1198 transitions, 44636 flow [2021-03-26 16:26:30,765 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 572 places, 1198 transitions, 44636 flow [2021-03-26 16:26:32,001 INFO L129 PetriNetUnfolder]: 761/3485 cut-off events. [2021-03-26 16:26:32,002 INFO L130 PetriNetUnfolder]: For 584370/584380 co-relation queries the response was YES. [2021-03-26 16:26:32,038 INFO L84 FinitePrefix]: Finished finitePrefix Result has 64576 conditions, 3485 events. 761/3485 cut-off events. For 584370/584380 co-relation queries the response was YES. Maximal size of possible extension queue 482. Compared 42935 event pairs, 20 based on Foata normal form. 0/3485 useless extension candidates. Maximal degree in co-relation 63675. Up to 896 conditions per place. [2021-03-26 16:26:32,082 INFO L142 LiptonReduction]: Number of co-enabled transitions 490 [2021-03-26 16:26:32,236 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:26:32,236 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:26:32,236 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1485 [2021-03-26 16:26:32,236 INFO L480 AbstractCegarLoop]: Abstraction has has 572 places, 1198 transitions, 44636 flow [2021-03-26 16:26:32,236 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 12.272727272727273) internal successors, (135), 11 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:26:32,236 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:26:32,236 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:26:32,437 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64,60 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:26:32,437 INFO L428 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:26:32,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:26:32,437 INFO L82 PathProgramCache]: Analyzing trace with hash -23973057, now seen corresponding path program 2 times [2021-03-26 16:26:32,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:26:32,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585389140] [2021-03-26 16:26:32,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:26:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:26:32,443 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:26:32,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:32,447 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:26:32,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:32,453 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:26:32,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:32,458 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:26:32,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:32,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:26:32,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:32,463 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:26:32,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585389140] [2021-03-26 16:26:32,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527436452] [2021-03-26 16:26:32,464 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 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-26 16:26:32,492 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:26:32,492 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:26:32,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 16:26:32,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:26:32,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:32,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:32,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:32,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 Waiting until toolchain timeout for monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:26:32,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:32,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:32,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:32,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:32,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:32,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:32,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:26:32,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:32,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:32,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:26:32,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:32,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:32,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:32,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:32,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:32,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:32,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:32,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:32,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:26:32,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:32,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:32,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:26:32,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:32,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:32,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:32,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:32,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:26:32,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:32,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:32,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:26:32,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:32,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:32,551 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-26 16:26:32,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:26:32,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:32,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:32,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:26:32,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:32,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:32,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:32,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:32,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:26:32,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:32,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:32,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:32,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:26:32,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:26:32,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:32,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:32,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:32,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:32,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:32,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:32,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:32,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:32,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:32,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:32,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:32,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:32,570 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:26:32,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:26:32,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2021-03-26 16:26:32,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485377073] [2021-03-26 16:26:32,571 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 16:26:32,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:26:32,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 16:26:32,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-03-26 16:26:32,571 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 58 [2021-03-26 16:26:32,571 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 572 places, 1198 transitions, 44636 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) [2021-03-26 16:26:32,571 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:26:32,572 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 58 [2021-03-26 16:26:32,572 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:26:35,100 INFO L129 PetriNetUnfolder]: 773/3563 cut-off events. [2021-03-26 16:26:35,101 INFO L130 PetriNetUnfolder]: For 601426/601433 co-relation queries the response was YES. [2021-03-26 16:26:35,148 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68479 conditions, 3563 events. 773/3563 cut-off events. For 601426/601433 co-relation queries the response was YES. Maximal size of possible extension queue 488. Compared 44021 event pairs, 1 based on Foata normal form. 3/3566 useless extension candidates. Maximal degree in co-relation 67557. Up to 1018 conditions per place. [2021-03-26 16:26:35,165 INFO L132 encePairwiseOnDemand]: 35/58 looper letters, 974 selfloop transitions, 330 changer transitions 3/1312 dead transitions. [2021-03-26 16:26:35,165 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 590 places, 1312 transitions, 53442 flow [2021-03-26 16:26:35,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 16:26:35,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 16:26:35,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 315 transitions. [2021-03-26 16:26:35,167 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28584392014519056 [2021-03-26 16:26:35,167 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 315 transitions. [2021-03-26 16:26:35,167 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 315 transitions. [2021-03-26 16:26:35,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:26:35,167 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 315 transitions. [2021-03-26 16:26:35,167 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 16.57894736842105) internal successors, (315), 19 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) [2021-03-26 16:26:35,168 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 58.0) internal successors, (1160), 20 states have internal predecessors, (1160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:26:35,169 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 58.0) internal successors, (1160), 20 states have internal predecessors, (1160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:26:35,169 INFO L185 Difference]: Start difference. First operand has 572 places, 1198 transitions, 44636 flow. Second operand 19 states and 315 transitions. [2021-03-26 16:26:35,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 590 places, 1312 transitions, 53442 flow [2021-03-26 16:26:38,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 584 places, 1312 transitions, 53313 flow, removed 38 selfloop flow, removed 6 redundant places. [2021-03-26 16:26:38,620 INFO L241 Difference]: Finished difference. Result has 588 places, 1234 transitions, 47319 flow [2021-03-26 16:26:38,621 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=58, PETRI_DIFFERENCE_MINUEND_FLOW=44381, PETRI_DIFFERENCE_MINUEND_PLACES=566, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=291, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=885, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=47319, PETRI_PLACES=588, PETRI_TRANSITIONS=1234} [2021-03-26 16:26:38,621 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 573 predicate places. [2021-03-26 16:26:38,621 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:26:38,621 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 588 places, 1234 transitions, 47319 flow [2021-03-26 16:26:38,621 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 588 places, 1234 transitions, 47319 flow [2021-03-26 16:26:38,636 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 587 places, 1234 transitions, 47319 flow [2021-03-26 16:26:39,840 INFO L129 PetriNetUnfolder]: 773/3567 cut-off events. [2021-03-26 16:26:39,840 INFO L130 PetriNetUnfolder]: For 619955/619955 co-relation queries the response was YES. [2021-03-26 16:26:39,886 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67139 conditions, 3567 events. 773/3567 cut-off events. For 619955/619955 co-relation queries the response was YES. Maximal size of possible extension queue 491. Compared 44198 event pairs, 19 based on Foata normal form. 0/3567 useless extension candidates. Maximal degree in co-relation 66228. Up to 915 conditions per place. [2021-03-26 16:26:39,930 INFO L142 LiptonReduction]: Number of co-enabled transitions 498 [2021-03-26 16:26:40,404 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:26:40,404 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 16:26:40,404 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1783 [2021-03-26 16:26:40,405 INFO L480 AbstractCegarLoop]: Abstraction has has 587 places, 1234 transitions, 47322 flow [2021-03-26 16:26:40,405 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) [2021-03-26 16:26:40,405 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:26:40,405 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:26:40,605 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2021-03-26 16:26:40,605 INFO L428 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:26:40,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:26:40,606 INFO L82 PathProgramCache]: Analyzing trace with hash -823528, now seen corresponding path program 2 times [2021-03-26 16:26:40,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:26:40,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490679930] [2021-03-26 16:26:40,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:26:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:26:40,620 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:26:40,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:40,625 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:26:40,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:40,631 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:26:40,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:40,638 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:26:40,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:40,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:26:40,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:40,644 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 16:26:40,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490679930] [2021-03-26 16:26:40,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880092757] [2021-03-26 16:26:40,644 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 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:26:40,666 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:26:40,666 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:26:40,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 16:26:40,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:26:40,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:40,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:40,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:40,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:40,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:40,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:40,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:40,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:40,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:40,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:40,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:26:40,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:40,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:40,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:26:40,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:40,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:40,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:40,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:40,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:40,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:40,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:40,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:40,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:26:40,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:40,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:40,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:26:40,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:40,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:40,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:40,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:40,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:26:40,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:40,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:40,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:26:40,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:40,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:40,725 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-26 16:26:40,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:26:40,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:40,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:40,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:26:40,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:40,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:40,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:40,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:40,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:40,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:40,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:40,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:40,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:26:40,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:40,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:40,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:40,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:26:40,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:26:40,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:40,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:40,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:40,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:40,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:40,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:40,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:40,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:40,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:40,751 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:26:40,751 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:26:40,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2021-03-26 16:26:40,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980705966] [2021-03-26 16:26:40,752 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 16:26:40,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:26:40,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 16:26:40,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-03-26 16:26:40,753 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 59 [2021-03-26 16:26:40,753 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 587 places, 1234 transitions, 47322 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) [2021-03-26 16:26:40,753 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:26:40,753 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 59 [2021-03-26 16:26:40,753 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:26:43,583 INFO L129 PetriNetUnfolder]: 773/3569 cut-off events. [2021-03-26 16:26:43,583 INFO L130 PetriNetUnfolder]: For 628431/628431 co-relation queries the response was YES. [2021-03-26 16:26:43,631 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70063 conditions, 3569 events. 773/3569 cut-off events. For 628431/628431 co-relation queries the response was YES. Maximal size of possible extension queue 489. Compared 44024 event pairs, 0 based on Foata normal form. 3/3572 useless extension candidates. Maximal degree in co-relation 69131. Up to 987 conditions per place. [2021-03-26 16:26:43,650 INFO L132 encePairwiseOnDemand]: 35/59 looper letters, 910 selfloop transitions, 432 changer transitions 3/1350 dead transitions. [2021-03-26 16:26:43,650 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 611 places, 1350 transitions, 56606 flow [2021-03-26 16:26:43,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-26 16:26:43,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-03-26 16:26:43,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 408 transitions. [2021-03-26 16:26:43,651 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27661016949152545 [2021-03-26 16:26:43,651 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 408 transitions. [2021-03-26 16:26:43,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 408 transitions. [2021-03-26 16:26:43,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:26:43,651 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 408 transitions. [2021-03-26 16:26:43,655 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 16.32) internal successors, (408), 25 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:26:43,657 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 59.0) internal successors, (1534), 26 states have internal predecessors, (1534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:26:43,657 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 59.0) internal successors, (1534), 26 states have internal predecessors, (1534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:26:43,657 INFO L185 Difference]: Start difference. First operand has 587 places, 1234 transitions, 47322 flow. Second operand 25 states and 408 transitions. [2021-03-26 16:26:43,657 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 611 places, 1350 transitions, 56606 flow [2021-03-26 16:26:48,186 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 605 places, 1350 transitions, 55323 flow, removed 623 selfloop flow, removed 6 redundant places. [2021-03-26 16:26:48,225 INFO L241 Difference]: Finished difference. Result has 608 places, 1257 transitions, 49046 flow [2021-03-26 16:26:48,226 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=46604, PETRI_DIFFERENCE_MINUEND_PLACES=581, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=405, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=819, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=49046, PETRI_PLACES=608, PETRI_TRANSITIONS=1257} [2021-03-26 16:26:48,226 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 593 predicate places. [2021-03-26 16:26:48,226 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:26:48,226 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 608 places, 1257 transitions, 49046 flow [2021-03-26 16:26:48,226 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 608 places, 1257 transitions, 49046 flow [2021-03-26 16:26:48,247 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 607 places, 1257 transitions, 49046 flow [2021-03-26 16:26:49,516 INFO L129 PetriNetUnfolder]: 773/3590 cut-off events. [2021-03-26 16:26:49,516 INFO L130 PetriNetUnfolder]: For 605485/605485 co-relation queries the response was YES. [2021-03-26 16:26:49,565 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67569 conditions, 3590 events. 773/3590 cut-off events. For 605485/605485 co-relation queries the response was YES. Maximal size of possible extension queue 489. Compared 44699 event pairs, 19 based on Foata normal form. 0/3590 useless extension candidates. Maximal degree in co-relation 66643. Up to 927 conditions per place. [2021-03-26 16:26:49,611 INFO L142 LiptonReduction]: Number of co-enabled transitions 518 [2021-03-26 16:26:49,798 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:26:49,798 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:26:49,798 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1572 [2021-03-26 16:26:49,798 INFO L480 AbstractCegarLoop]: Abstraction has has 607 places, 1257 transitions, 49046 flow [2021-03-26 16:26:49,799 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) [2021-03-26 16:26:49,799 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:26:49,799 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:26:49,999 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66,62 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:26:49,999 INFO L428 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:26:50,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:26:50,000 INFO L82 PathProgramCache]: Analyzing trace with hash 835496119, now seen corresponding path program 3 times [2021-03-26 16:26:50,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:26:50,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742170371] [2021-03-26 16:26:50,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:26:50,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:26:50,005 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:26:50,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:50,010 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:26:50,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:50,015 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:26:50,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:50,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:26:50,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:26:50,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:50,031 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:26:50,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742170371] [2021-03-26 16:26:50,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529686758] [2021-03-26 16:26:50,031 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 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:26:50,066 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-26 16:26:50,066 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:26:50,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 16:26:50,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:26:50,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:50,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:50,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:50,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:50,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:50,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:50,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:50,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:50,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:50,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:50,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:26:50,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:50,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:50,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:26:50,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:50,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:50,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:50,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:50,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:50,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:50,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:50,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:50,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:26:50,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:50,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:50,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:26:50,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:50,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:50,113 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-26 16:26:50,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:26:50,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:50,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:50,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:26:50,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:50,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:50,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:50,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:50,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:26:50,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:50,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:50,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:26:50,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:50,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:50,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:50,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:50,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:26:50,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:50,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:50,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:50,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:26:50,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:26:50,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:50,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:50,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:50,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:50,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:50,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:50,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:50,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:50,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:50,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:50,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:50,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:50,156 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:26:50,156 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:26:50,156 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-03-26 16:26:50,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390424934] [2021-03-26 16:26:50,156 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 16:26:50,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:26:50,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 16:26:50,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-03-26 16:26:50,157 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 59 [2021-03-26 16:26:50,157 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 607 places, 1257 transitions, 49046 flow. Second operand has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 12 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:26:50,157 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:26:50,157 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 59 [2021-03-26 16:26:50,157 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:26:52,921 INFO L129 PetriNetUnfolder]: 765/3530 cut-off events. [2021-03-26 16:26:52,921 INFO L130 PetriNetUnfolder]: For 604798/604798 co-relation queries the response was YES. [2021-03-26 16:26:52,972 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68985 conditions, 3530 events. 765/3530 cut-off events. For 604798/604798 co-relation queries the response was YES. Maximal size of possible extension queue 481. Compared 43463 event pairs, 1 based on Foata normal form. 8/3538 useless extension candidates. Maximal degree in co-relation 68038. Up to 1038 conditions per place. [2021-03-26 16:26:52,993 INFO L132 encePairwiseOnDemand]: 36/59 looper letters, 989 selfloop transitions, 335 changer transitions 3/1332 dead transitions. [2021-03-26 16:26:52,993 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 622 places, 1332 transitions, 56493 flow [2021-03-26 16:26:52,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 16:26:52,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 16:26:52,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 269 transitions. [2021-03-26 16:26:52,994 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2849576271186441 [2021-03-26 16:26:52,994 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 269 transitions. [2021-03-26 16:26:52,994 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 269 transitions. [2021-03-26 16:26:52,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:26:52,994 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 269 transitions. [2021-03-26 16:26:52,995 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 16.8125) internal successors, (269), 16 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:26:52,995 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 59.0) internal successors, (1003), 17 states have internal predecessors, (1003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:26:52,995 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 59.0) internal successors, (1003), 17 states have internal predecessors, (1003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:26:52,995 INFO L185 Difference]: Start difference. First operand has 607 places, 1257 transitions, 49046 flow. Second operand 16 states and 269 transitions. [2021-03-26 16:26:52,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 622 places, 1332 transitions, 56493 flow [2021-03-26 16:26:56,783 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 612 places, 1332 transitions, 55883 flow, removed 143 selfloop flow, removed 10 redundant places. [2021-03-26 16:26:56,815 INFO L241 Difference]: Finished difference. Result has 616 places, 1262 transitions, 50031 flow [2021-03-26 16:26:56,816 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=48449, PETRI_DIFFERENCE_MINUEND_PLACES=597, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=327, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=921, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=50031, PETRI_PLACES=616, PETRI_TRANSITIONS=1262} [2021-03-26 16:26:56,816 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 601 predicate places. [2021-03-26 16:26:56,816 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:26:56,816 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 616 places, 1262 transitions, 50031 flow [2021-03-26 16:26:56,816 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 616 places, 1262 transitions, 50031 flow [2021-03-26 16:26:56,832 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 614 places, 1262 transitions, 50031 flow [2021-03-26 16:26:58,235 INFO L129 PetriNetUnfolder]: 765/3509 cut-off events. [2021-03-26 16:26:58,235 INFO L130 PetriNetUnfolder]: For 614726/614750 co-relation queries the response was YES. [2021-03-26 16:26:58,275 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66896 conditions, 3509 events. 765/3509 cut-off events. For 614726/614750 co-relation queries the response was YES. Maximal size of possible extension queue 482. Compared 43427 event pairs, 16 based on Foata normal form. 0/3509 useless extension candidates. Maximal degree in co-relation 65967. Up to 896 conditions per place. [2021-03-26 16:26:58,319 INFO L142 LiptonReduction]: Number of co-enabled transitions 518 [2021-03-26 16:26:58,481 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:26:58,481 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:26:58,481 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1665 [2021-03-26 16:26:58,482 INFO L480 AbstractCegarLoop]: Abstraction has has 614 places, 1262 transitions, 50031 flow [2021-03-26 16:26:58,482 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 12 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:26:58,482 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:26:58,482 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:26:58,684 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 63 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2021-03-26 16:26:58,684 INFO L428 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:26:58,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:26:58,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1997917864, now seen corresponding path program 1 times [2021-03-26 16:26:58,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:26:58,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32630061] [2021-03-26 16:26:58,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:26:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:26:58,690 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:26:58,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:58,695 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:26:58,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:58,700 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:26:58,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:58,706 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:26:58,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:58,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:26:58,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:26:58,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:58,723 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:26:58,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32630061] [2021-03-26 16:26:58,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675521561] [2021-03-26 16:26:58,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:26:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:26:58,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 16:26:58,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:26:58,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:58,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:58,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:58,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:58,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:58,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:58,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:58,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:58,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:58,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:58,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:26:58,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:58,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:58,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:26:58,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:58,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:58,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:58,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:58,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:26:58,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:58,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:58,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:26:58,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:58,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:58,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:58,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:58,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:58,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:58,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:58,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:58,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:26:58,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:58,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:58,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:26:58,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:58,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:58,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:58,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:58,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:58,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:58,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:58,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:58,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:26:58,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:58,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:26:58,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:26:58,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:58,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:26:58,811 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 16:26:58,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:58,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:26:58,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:26:58,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:26:58,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:58,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:58,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:58,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:58,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:58,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:58,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:58,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:26:58,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:26:58,819 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:26:58,819 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:26:58,819 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-03-26 16:26:58,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33727062] [2021-03-26 16:26:58,819 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 16:26:58,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:26:58,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 16:26:58,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-03-26 16:26:58,820 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 59 [2021-03-26 16:26:58,820 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 614 places, 1262 transitions, 50031 flow. Second operand has 13 states, 13 states have (on average 14.076923076923077) internal successors, (183), 13 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:26:58,820 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:26:58,820 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 59 [2021-03-26 16:26:58,820 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:27:01,503 INFO L129 PetriNetUnfolder]: 787/3561 cut-off events. [2021-03-26 16:27:01,503 INFO L130 PetriNetUnfolder]: For 622879/622886 co-relation queries the response was YES. [2021-03-26 16:27:01,561 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70223 conditions, 3561 events. 787/3561 cut-off events. For 622879/622886 co-relation queries the response was YES. Maximal size of possible extension queue 491. Compared 43592 event pairs, 16 based on Foata normal form. 15/3576 useless extension candidates. Maximal degree in co-relation 69273. Up to 2261 conditions per place. [2021-03-26 16:27:01,581 INFO L132 encePairwiseOnDemand]: 39/59 looper letters, 1218 selfloop transitions, 91 changer transitions 0/1314 dead transitions. [2021-03-26 16:27:01,581 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 626 places, 1314 transitions, 54945 flow [2021-03-26 16:27:01,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 16:27:01,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 16:27:01,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 224 transitions. [2021-03-26 16:27:01,582 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2920469361147327 [2021-03-26 16:27:01,582 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 224 transitions. [2021-03-26 16:27:01,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 224 transitions. [2021-03-26 16:27:01,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:27:01,582 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 224 transitions. [2021-03-26 16:27:01,582 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 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) [2021-03-26 16:27:01,583 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 59.0) internal successors, (826), 14 states have internal predecessors, (826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:27:01,583 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 59.0) internal successors, (826), 14 states have internal predecessors, (826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:27:01,583 INFO L185 Difference]: Start difference. First operand has 614 places, 1262 transitions, 50031 flow. Second operand 13 states and 224 transitions. [2021-03-26 16:27:01,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 626 places, 1314 transitions, 54945 flow [2021-03-26 16:27:05,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 620 places, 1314 transitions, 54473 flow, removed 206 selfloop flow, removed 6 redundant places. [2021-03-26 16:27:05,831 INFO L241 Difference]: Finished difference. Result has 622 places, 1286 transitions, 50920 flow [2021-03-26 16:27:05,832 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=49607, PETRI_DIFFERENCE_MINUEND_PLACES=608, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=67, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=50920, PETRI_PLACES=622, PETRI_TRANSITIONS=1286} [2021-03-26 16:27:05,832 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 607 predicate places. [2021-03-26 16:27:05,832 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:27:05,832 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 622 places, 1286 transitions, 50920 flow [2021-03-26 16:27:05,832 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 622 places, 1286 transitions, 50920 flow [2021-03-26 16:27:05,848 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 622 places, 1286 transitions, 50920 flow [2021-03-26 16:27:07,145 INFO L129 PetriNetUnfolder]: 787/3555 cut-off events. [2021-03-26 16:27:07,145 INFO L130 PetriNetUnfolder]: For 617271/617271 co-relation queries the response was YES. [2021-03-26 16:27:07,204 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67740 conditions, 3555 events. 787/3555 cut-off events. For 617271/617271 co-relation queries the response was YES. Maximal size of possible extension queue 490. Compared 43738 event pairs, 16 based on Foata normal form. 0/3555 useless extension candidates. Maximal degree in co-relation 66806. Up to 916 conditions per place. [2021-03-26 16:27:07,252 INFO L142 LiptonReduction]: Number of co-enabled transitions 544 [2021-03-26 16:27:07,446 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:27:07,446 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:27:07,446 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1614 [2021-03-26 16:27:07,446 INFO L480 AbstractCegarLoop]: Abstraction has has 622 places, 1286 transitions, 50920 flow [2021-03-26 16:27:07,446 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 14.076923076923077) internal successors, (183), 13 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:27:07,447 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:27:07,447 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:27:07,647 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68,64 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:27:07,647 INFO L428 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:27:07,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:27:07,647 INFO L82 PathProgramCache]: Analyzing trace with hash 2080694354, now seen corresponding path program 2 times [2021-03-26 16:27:07,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:27:07,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67951778] [2021-03-26 16:27:07,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:27:07,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:27:07,665 INFO L142 QuantifierPusher]: treesize reduction 31, result has 34.0 percent of original size [2021-03-26 16:27:07,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:27:07,674 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.0 percent of original size [2021-03-26 16:27:07,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 16:27:07,686 INFO L142 QuantifierPusher]: treesize reduction 76, result has 40.6 percent of original size [2021-03-26 16:27:07,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 16:27:07,702 INFO L142 QuantifierPusher]: treesize reduction 41, result has 61.0 percent of original size [2021-03-26 16:27:07,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 16:27:07,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:27:07,748 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 16:27:07,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:27:07,759 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 16:27:07,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:07,767 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:27:07,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67951778] [2021-03-26 16:27:07,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659684087] [2021-03-26 16:27:07,768 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 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:27:07,783 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:27:07,783 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:27:07,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-26 16:27:07,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:27:07,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:07,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:07,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:07,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:07,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:07,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:07,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:07,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:07,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:07,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:07,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:07,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:07,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,802 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size 26 [2021-03-26 16:27:07,802 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size [2021-03-26 16:27:07,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:27:07,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:27:07,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:27:07,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,814 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-03-26 16:27:07,814 INFO L142 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size [2021-03-26 16:27:07,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:27:07,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:27:07,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:27:07,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,826 INFO L147 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size 18 [2021-03-26 16:27:07,827 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-03-26 16:27:07,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:27:07,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:27:07,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:27:07,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:27:07,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:27:07,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:27:07,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:27:07,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:27:07,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:27:07,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:27:07,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:27:07,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:07,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:07,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:07,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:07,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:07,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:07,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:07,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:07,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:07,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:07,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:07,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:07,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:07,855 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:27:07,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:27:07,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 11 [2021-03-26 16:27:07,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729252026] [2021-03-26 16:27:07,855 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 16:27:07,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:27:07,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 16:27:07,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-03-26 16:27:07,856 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 59 [2021-03-26 16:27:07,856 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 622 places, 1286 transitions, 50920 flow. Second operand has 13 states, 13 states have (on average 11.153846153846153) internal successors, (145), 13 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) [2021-03-26 16:27:07,856 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:27:07,856 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 59 [2021-03-26 16:27:07,856 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:27:11,155 INFO L129 PetriNetUnfolder]: 817/3651 cut-off events. [2021-03-26 16:27:11,155 INFO L130 PetriNetUnfolder]: For 638255/638255 co-relation queries the response was YES. [2021-03-26 16:27:11,200 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72578 conditions, 3651 events. 817/3651 cut-off events. For 638255/638255 co-relation queries the response was YES. Maximal size of possible extension queue 503. Compared 44781 event pairs, 17 based on Foata normal form. 9/3660 useless extension candidates. Maximal degree in co-relation 71617. Up to 2725 conditions per place. [2021-03-26 16:27:11,220 INFO L132 encePairwiseOnDemand]: 43/59 looper letters, 1254 selfloop transitions, 89 changer transitions 5/1352 dead transitions. [2021-03-26 16:27:11,220 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 632 places, 1352 transitions, 56483 flow [2021-03-26 16:27:11,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 16:27:11,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 16:27:11,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 168 transitions. [2021-03-26 16:27:11,221 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2588597842835131 [2021-03-26 16:27:11,221 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 168 transitions. [2021-03-26 16:27:11,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 168 transitions. [2021-03-26 16:27:11,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:27:11,221 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 168 transitions. [2021-03-26 16:27:11,221 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 15.272727272727273) internal successors, (168), 11 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:27:11,222 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 59.0) internal successors, (708), 12 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:27:11,222 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 59.0) internal successors, (708), 12 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:27:11,222 INFO L185 Difference]: Start difference. First operand has 622 places, 1286 transitions, 50920 flow. Second operand 11 states and 168 transitions. [2021-03-26 16:27:11,222 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 632 places, 1352 transitions, 56483 flow [2021-03-26 16:27:15,278 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 624 places, 1352 transitions, 56083 flow, removed 141 selfloop flow, removed 8 redundant places. [2021-03-26 16:27:15,310 INFO L241 Difference]: Finished difference. Result has 629 places, 1329 transitions, 52595 flow [2021-03-26 16:27:15,311 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=50520, PETRI_DIFFERENCE_MINUEND_PLACES=614, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=52595, PETRI_PLACES=629, PETRI_TRANSITIONS=1329} [2021-03-26 16:27:15,311 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 614 predicate places. [2021-03-26 16:27:15,311 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:27:15,311 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 629 places, 1329 transitions, 52595 flow [2021-03-26 16:27:15,311 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 629 places, 1329 transitions, 52595 flow [2021-03-26 16:27:15,327 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 628 places, 1329 transitions, 52595 flow [2021-03-26 16:27:16,802 INFO L129 PetriNetUnfolder]: 815/3638 cut-off events. [2021-03-26 16:27:16,802 INFO L130 PetriNetUnfolder]: For 657425/657435 co-relation queries the response was YES. [2021-03-26 16:27:16,851 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70656 conditions, 3638 events. 815/3638 cut-off events. For 657425/657435 co-relation queries the response was YES. Maximal size of possible extension queue 499. Compared 44681 event pairs, 17 based on Foata normal form. 0/3638 useless extension candidates. Maximal degree in co-relation 69706. Up to 945 conditions per place. [2021-03-26 16:27:16,900 INFO L142 LiptonReduction]: Number of co-enabled transitions 546 [2021-03-26 16:27:17,381 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:27:17,382 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 16:27:17,382 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2071 [2021-03-26 16:27:17,382 INFO L480 AbstractCegarLoop]: Abstraction has has 628 places, 1329 transitions, 52597 flow [2021-03-26 16:27:17,382 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 11.153846153846153) internal successors, (145), 13 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) [2021-03-26 16:27:17,382 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:27:17,382 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:27:17,582 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 65 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2021-03-26 16:27:17,583 INFO L428 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:27:17,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:27:17,583 INFO L82 PathProgramCache]: Analyzing trace with hash 593289950, now seen corresponding path program 1 times [2021-03-26 16:27:17,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:27:17,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043749666] [2021-03-26 16:27:17,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:27:17,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:27:17,595 INFO L142 QuantifierPusher]: treesize reduction 38, result has 44.9 percent of original size [2021-03-26 16:27:17,596 INFO L147 QuantifierPusher]: treesize reduction 7, result has 77.4 percent of original size 24 [2021-03-26 16:27:17,617 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-03-26 16:27:17,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 16:27:17,627 INFO L142 QuantifierPusher]: treesize reduction 138, result has 36.7 percent of original size [2021-03-26 16:27:17,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 16:27:17,665 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-26 16:27:17,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:27:17,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:27:17,688 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-26 16:27:17,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:17,698 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:27:17,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043749666] [2021-03-26 16:27:17,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017338008] [2021-03-26 16:27:17,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 66 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-26 16:27:17,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:27:17,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-26 16:27:17,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 66 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:27:17,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:17,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:17,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:17,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:17,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:17,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:17,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:17,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:17,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:17,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:17,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:17,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:17,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:27:17,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:27:17,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:27:17,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:27:17,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,762 INFO L147 QuantifierPusher]: treesize reduction 3, result has 87.0 percent of original size 20 [2021-03-26 16:27:17,763 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.0 percent of original size [2021-03-26 16:27:17,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:27:17,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:27:17,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:27:17,778 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-03-26 16:27:17,779 INFO L147 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size 18 [2021-03-26 16:27:17,780 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size [2021-03-26 16:27:17,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:27:17,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:27:17,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:27:17,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:27:17,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:27:17,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:27:17,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:27:17,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:27:17,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:27:17,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:27:17,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:27:17,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:17,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:17,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:17,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:17,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:17,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:17,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:17,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:17,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:17,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:17,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:17,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:17,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:17,813 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:27:17,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:27:17,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-03-26 16:27:17,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271237221] [2021-03-26 16:27:17,814 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 16:27:17,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:27:17,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 16:27:17,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-03-26 16:27:17,815 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 60 [2021-03-26 16:27:17,815 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 628 places, 1329 transitions, 52597 flow. Second operand has 12 states, 12 states have (on average 11.166666666666666) internal successors, (134), 12 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:27:17,815 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:27:17,815 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 60 [2021-03-26 16:27:17,815 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:27:21,412 INFO L129 PetriNetUnfolder]: 815/3651 cut-off events. [2021-03-26 16:27:21,413 INFO L130 PetriNetUnfolder]: For 659132/659139 co-relation queries the response was YES. [2021-03-26 16:27:21,465 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73455 conditions, 3651 events. 815/3651 cut-off events. For 659132/659139 co-relation queries the response was YES. Maximal size of possible extension queue 502. Compared 44873 event pairs, 0 based on Foata normal form. 10/3661 useless extension candidates. Maximal degree in co-relation 72478. Up to 1924 conditions per place. [2021-03-26 16:27:21,485 INFO L132 encePairwiseOnDemand]: 33/60 looper letters, 1030 selfloop transitions, 326 changer transitions 3/1363 dead transitions. [2021-03-26 16:27:21,486 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 640 places, 1363 transitions, 56970 flow [2021-03-26 16:27:21,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 16:27:21,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 16:27:21,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 188 transitions. [2021-03-26 16:27:21,486 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24102564102564103 [2021-03-26 16:27:21,486 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 188 transitions. [2021-03-26 16:27:21,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 188 transitions. [2021-03-26 16:27:21,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:27:21,487 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 188 transitions. [2021-03-26 16:27:21,487 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 14.461538461538462) internal successors, (188), 13 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:27:21,487 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 60.0) internal successors, (840), 14 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:27:21,487 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 60.0) internal successors, (840), 14 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:27:21,487 INFO L185 Difference]: Start difference. First operand has 628 places, 1329 transitions, 52597 flow. Second operand 13 states and 188 transitions. [2021-03-26 16:27:21,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 640 places, 1363 transitions, 56970 flow [2021-03-26 16:27:25,829 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 637 places, 1363 transitions, 56754 flow, removed 102 selfloop flow, removed 3 redundant places. [2021-03-26 16:27:25,862 INFO L241 Difference]: Finished difference. Result has 641 places, 1341 transitions, 53435 flow [2021-03-26 16:27:25,863 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=52383, PETRI_DIFFERENCE_MINUEND_PLACES=625, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1329, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=314, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1008, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=53435, PETRI_PLACES=641, PETRI_TRANSITIONS=1341} [2021-03-26 16:27:25,863 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 626 predicate places. [2021-03-26 16:27:25,863 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:27:25,863 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 641 places, 1341 transitions, 53435 flow [2021-03-26 16:27:25,863 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 641 places, 1341 transitions, 53435 flow [2021-03-26 16:27:25,880 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 640 places, 1341 transitions, 53435 flow [2021-03-26 16:27:27,286 INFO L129 PetriNetUnfolder]: 814/3622 cut-off events. [2021-03-26 16:27:27,286 INFO L130 PetriNetUnfolder]: For 665977/665977 co-relation queries the response was YES. [2021-03-26 16:27:27,340 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71094 conditions, 3622 events. 814/3622 cut-off events. For 665977/665977 co-relation queries the response was YES. Maximal size of possible extension queue 503. Compared 44596 event pairs, 16 based on Foata normal form. 0/3622 useless extension candidates. Maximal degree in co-relation 70135. Up to 941 conditions per place. [2021-03-26 16:27:27,391 INFO L142 LiptonReduction]: Number of co-enabled transitions 552 [2021-03-26 16:27:27,606 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:27:27,606 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:27:27,606 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1743 [2021-03-26 16:27:27,606 INFO L480 AbstractCegarLoop]: Abstraction has has 640 places, 1341 transitions, 53435 flow [2021-03-26 16:27:27,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 11.166666666666666) internal successors, (134), 12 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:27:27,607 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:27:27,607 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:27:27,807 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable70 [2021-03-26 16:27:27,807 INFO L428 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:27:27,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:27:27,807 INFO L82 PathProgramCache]: Analyzing trace with hash -460128320, now seen corresponding path program 2 times [2021-03-26 16:27:27,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:27:27,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297218418] [2021-03-26 16:27:27,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:27:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:27:27,812 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:27:27,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:27:27,817 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:27:27,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:27,822 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:27:27,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:27,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:27:27,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:27:27,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:27:27,836 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:27:27,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297218418] [2021-03-26 16:27:27,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914676287] [2021-03-26 16:27:27,836 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 67 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 67 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:27:27,850 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:27:27,850 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:27:27,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 16:27:27,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:27:27,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:27,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:27,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:27,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:27,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:27,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:27,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:27,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:27,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:27,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:27,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:27,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:27,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:27:27,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:27,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:27:27,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:27:27,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:27,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:27:27,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:27,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:27,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:27:27,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:27,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:27:27,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:27:27,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:27,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:27:27,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:27,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:27,892 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-26 16:27:27,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:27:27,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:27:27,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:27,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:27:27,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:27:27,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:27:27,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:27:27,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:27,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:27:27,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:27:27,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:27,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:27:27,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:27:27,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:27:27,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:27:27,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:27:27,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:27:27,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:27:27,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:27:27,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:27:27,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:27:27,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:27:27,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:27:27,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:27:27,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:27:27,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:27:27,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:27:27,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:27:27,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:27:27,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:27:27,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:27:27,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:27:27,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:27,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:27:27,928 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:27:27,928 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:27:27,928 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-03-26 16:27:27,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666796818] [2021-03-26 16:27:27,928 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 16:27:27,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:27:27,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 16:27:27,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-03-26 16:27:27,929 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 60 [2021-03-26 16:27:27,929 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 640 places, 1341 transitions, 53435 flow. Second operand has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 12 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:27:27,929 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:27:27,929 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 60 [2021-03-26 16:27:27,929 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:27:31,409 INFO L129 PetriNetUnfolder]: 940/4360 cut-off events. [2021-03-26 16:27:31,409 INFO L130 PetriNetUnfolder]: For 900376/900376 co-relation queries the response was YES. [2021-03-26 16:27:31,474 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90892 conditions, 4360 events. 940/4360 cut-off events. For 900376/900376 co-relation queries the response was YES. Maximal size of possible extension queue 589. Compared 55471 event pairs, 0 based on Foata normal form. 36/4396 useless extension candidates. Maximal degree in co-relation 89912. Up to 1185 conditions per place. [2021-03-26 16:27:31,500 INFO L132 encePairwiseOnDemand]: 33/60 looper letters, 880 selfloop transitions, 753 changer transitions 11/1649 dead transitions. [2021-03-26 16:27:31,500 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 660 places, 1649 transitions, 72860 flow [2021-03-26 16:27:31,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-26 16:27:31,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-26 16:27:31,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 345 transitions. [2021-03-26 16:27:31,501 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27380952380952384 [2021-03-26 16:27:31,501 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 345 transitions. [2021-03-26 16:27:31,501 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 345 transitions. [2021-03-26 16:27:31,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:27:31,501 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 345 transitions. [2021-03-26 16:27:31,502 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 16.428571428571427) internal successors, (345), 21 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:27:31,503 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 60.0) internal successors, (1320), 22 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:27:31,503 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 60.0) internal successors, (1320), 22 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:27:31,503 INFO L185 Difference]: Start difference. First operand has 640 places, 1341 transitions, 53435 flow. Second operand 21 states and 345 transitions. [2021-03-26 16:27:31,503 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 660 places, 1649 transitions, 72860 flow [2021-03-26 16:27:37,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 651 places, 1649 transitions, 72072 flow, removed 50 selfloop flow, removed 9 redundant places. [2021-03-26 16:27:37,341 INFO L241 Difference]: Finished difference. Result has 658 places, 1505 transitions, 63823 flow [2021-03-26 16:27:37,342 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=52423, PETRI_DIFFERENCE_MINUEND_PLACES=631, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1332, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=592, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=628, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=63823, PETRI_PLACES=658, PETRI_TRANSITIONS=1505} [2021-03-26 16:27:37,342 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 643 predicate places. [2021-03-26 16:27:37,342 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:27:37,342 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 658 places, 1505 transitions, 63823 flow [2021-03-26 16:27:37,342 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 658 places, 1505 transitions, 63823 flow [2021-03-26 16:27:37,363 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 654 places, 1505 transitions, 63823 flow [2021-03-26 16:27:39,275 INFO L129 PetriNetUnfolder]: 940/4333 cut-off events. [2021-03-26 16:27:39,275 INFO L130 PetriNetUnfolder]: For 923775/923775 co-relation queries the response was YES. [2021-03-26 16:27:39,342 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89781 conditions, 4333 events. 940/4333 cut-off events. For 923775/923775 co-relation queries the response was YES. Maximal size of possible extension queue 591. Compared 55509 event pairs, 15 based on Foata normal form. 0/4333 useless extension candidates. Maximal degree in co-relation 88811. Up to 1180 conditions per place. [2021-03-26 16:27:39,407 INFO L142 LiptonReduction]: Number of co-enabled transitions 566 [2021-03-26 16:27:40,071 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:27:40,071 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 16:27:40,071 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2729 [2021-03-26 16:27:40,072 INFO L480 AbstractCegarLoop]: Abstraction has has 654 places, 1505 transitions, 63851 flow [2021-03-26 16:27:40,072 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 12 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:27:40,072 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:27:40,072 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:27:40,272 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,67 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:27:40,272 INFO L428 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:27:40,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:27:40,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1112907811, now seen corresponding path program 2 times [2021-03-26 16:27:40,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:27:40,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811792092] [2021-03-26 16:27:40,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:27:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:27:40,289 INFO L142 QuantifierPusher]: treesize reduction 36, result has 30.8 percent of original size [2021-03-26 16:27:40,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:27:40,299 INFO L142 QuantifierPusher]: treesize reduction 72, result has 49.3 percent of original size [2021-03-26 16:27:40,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-26 16:27:40,323 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-03-26 16:27:40,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:27:40,335 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-26 16:27:40,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:27:40,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:27:40,363 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 16:27:40,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:27:40,373 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 16:27:40,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:40,381 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:27:40,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811792092] [2021-03-26 16:27:40,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704488449] [2021-03-26 16:27:40,381 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 68 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 68 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:27:40,396 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:27:40,396 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:27:40,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-26 16:27:40,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:27:40,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:40,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:40,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:40,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:40,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:40,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:40,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:40,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:40,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:40,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:40,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:40,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:40,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,413 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-03-26 16:27:40,413 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-03-26 16:27:40,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:27:40,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:27:40,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:27:40,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,426 INFO L147 QuantifierPusher]: treesize reduction 8, result has 78.9 percent of original size 30 [2021-03-26 16:27:40,426 INFO L142 QuantifierPusher]: treesize reduction 8, result has 78.9 percent of original size [2021-03-26 16:27:40,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 16:27:40,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 16:27:40,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 16:27:40,439 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.6 percent of original size [2021-03-26 16:27:40,439 INFO L147 QuantifierPusher]: treesize reduction 20, result has 31.0 percent of original size 9 [2021-03-26 16:27:40,439 INFO L142 QuantifierPusher]: treesize reduction 20, result has 31.0 percent of original size [2021-03-26 16:27:40,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:40,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:40,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:40,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:40,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:40,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:40,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:40,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:40,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:40,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:40,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:40,454 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-26 16:27:40,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:40,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:27:40,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:40,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:40,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:27:40,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:40,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:40,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2021-03-26 16:27:40,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:27:40,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:27:40,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:27:40,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:27:40,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:27:40,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:27:40,462 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 16:27:40,463 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:27:40,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:27:40,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:27:40,465 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 16:27:40,465 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:5 [2021-03-26 16:27:40,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:27:40,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:27:40,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:27:40,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:27:40,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:27:40,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:27:40,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:40,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:40,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:40,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:40,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:40,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:40,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:40,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:40,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:40,476 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:27:40,476 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:27:40,476 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 11 [2021-03-26 16:27:40,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366786847] [2021-03-26 16:27:40,477 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 16:27:40,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:27:40,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 16:27:40,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-03-26 16:27:40,477 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 61 [2021-03-26 16:27:40,477 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 654 places, 1505 transitions, 63851 flow. Second operand has 13 states, 13 states have (on average 11.153846153846153) internal successors, (145), 13 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) [2021-03-26 16:27:40,477 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:27:40,477 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 61 [2021-03-26 16:27:40,477 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:27:45,134 INFO L129 PetriNetUnfolder]: 952/4359 cut-off events. [2021-03-26 16:27:45,134 INFO L130 PetriNetUnfolder]: For 935118/935118 co-relation queries the response was YES. [2021-03-26 16:27:45,201 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93885 conditions, 4359 events. 952/4359 cut-off events. For 935118/935118 co-relation queries the response was YES. Maximal size of possible extension queue 598. Compared 55413 event pairs, 16 based on Foata normal form. 3/4362 useless extension candidates. Maximal degree in co-relation 92888. Up to 3305 conditions per place. [2021-03-26 16:27:45,229 INFO L132 encePairwiseOnDemand]: 37/61 looper letters, 1462 selfloop transitions, 66 changer transitions 0/1532 dead transitions. [2021-03-26 16:27:45,230 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 665 places, 1532 transitions, 68262 flow [2021-03-26 16:27:45,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 16:27:45,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 16:27:45,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 180 transitions. [2021-03-26 16:27:45,231 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2459016393442623 [2021-03-26 16:27:45,231 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 180 transitions. [2021-03-26 16:27:45,231 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 180 transitions. [2021-03-26 16:27:45,231 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:27:45,231 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 180 transitions. [2021-03-26 16:27:45,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 15.0) internal successors, (180), 12 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:27:45,232 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 61.0) internal successors, (793), 13 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:27:45,232 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 61.0) internal successors, (793), 13 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:27:45,232 INFO L185 Difference]: Start difference. First operand has 654 places, 1505 transitions, 63851 flow. Second operand 12 states and 180 transitions. [2021-03-26 16:27:45,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 665 places, 1532 transitions, 68262 flow [2021-03-26 16:27:52,071 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 655 places, 1532 transitions, 65743 flow, removed 1184 selfloop flow, removed 10 redundant places. [2021-03-26 16:27:52,110 INFO L241 Difference]: Finished difference. Result has 658 places, 1525 transitions, 62559 flow [2021-03-26 16:27:52,111 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=61537, PETRI_DIFFERENCE_MINUEND_PLACES=644, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1505, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1440, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=62559, PETRI_PLACES=658, PETRI_TRANSITIONS=1525} [2021-03-26 16:27:52,112 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 643 predicate places. [2021-03-26 16:27:52,112 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:27:52,112 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 658 places, 1525 transitions, 62559 flow [2021-03-26 16:27:52,112 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 658 places, 1525 transitions, 62559 flow [2021-03-26 16:27:52,132 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 658 places, 1525 transitions, 62559 flow [2021-03-26 16:27:54,002 INFO L129 PetriNetUnfolder]: 952/4361 cut-off events. [2021-03-26 16:27:54,002 INFO L130 PetriNetUnfolder]: For 802305/802337 co-relation queries the response was YES. [2021-03-26 16:27:54,072 INFO L84 FinitePrefix]: Finished finitePrefix Result has 86335 conditions, 4361 events. 952/4361 cut-off events. For 802305/802337 co-relation queries the response was YES. Maximal size of possible extension queue 604. Compared 55772 event pairs, 16 based on Foata normal form. 0/4361 useless extension candidates. Maximal degree in co-relation 85355. Up to 1128 conditions per place. [2021-03-26 16:27:54,138 INFO L142 LiptonReduction]: Number of co-enabled transitions 584 [2021-03-26 16:27:54,418 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2021-03-26 16:27:55,010 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 16:27:55,010 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 16:27:55,010 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2898 [2021-03-26 16:27:55,010 INFO L480 AbstractCegarLoop]: Abstraction has has 658 places, 1525 transitions, 62615 flow [2021-03-26 16:27:55,010 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 11.153846153846153) internal successors, (145), 13 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) [2021-03-26 16:27:55,010 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:27:55,011 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:27:55,211 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,68 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:27:55,211 INFO L428 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:27:55,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:27:55,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1591147713, now seen corresponding path program 1 times [2021-03-26 16:27:55,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:27:55,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583994665] [2021-03-26 16:27:55,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:27:55,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:27:55,218 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:27:55,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:27:55,223 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:27:55,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:55,229 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:27:55,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:27:55,230 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:27:55,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:55,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:27:55,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:27:55,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:27:55,245 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 16:27:55,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583994665] [2021-03-26 16:27:55,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [401078601] [2021-03-26 16:27:55,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 69 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 69 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:27:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:27:55,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 16:27:55,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:27:55,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:55,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:55,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:55,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:55,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:55,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:55,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:55,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:55,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:55,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:55,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:55,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:55,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:27:55,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:55,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:27:55,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:27:55,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:55,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:27:55,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:55,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:55,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:27:55,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:55,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:27:55,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:27:55,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:55,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:27:55,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:55,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:55,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:27:55,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:55,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:27:55,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:27:55,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:27:55,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:27:55,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:27:55,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:27:55,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:27:55,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:27:55,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:27:55,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:27:55,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:27:55,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:55,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:27:55,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:27:55,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:27:55,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:27:55,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:27:55,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:27:55,349 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 16:27:55,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:55,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:27:55,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:27:55,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:27:55,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:27:55,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:27:55,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:27:55,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:27:55,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:27:55,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:27:55,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:27:55,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:27:55,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:27:55,365 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:27:55,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:27:55,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-03-26 16:27:55,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863215957] [2021-03-26 16:27:55,365 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 16:27:55,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:27:55,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 16:27:55,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-03-26 16:27:55,366 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 63 [2021-03-26 16:27:55,366 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 658 places, 1525 transitions, 62615 flow. Second operand has 12 states, 12 states have (on average 14.166666666666666) internal successors, (170), 12 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:27:55,366 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:27:55,366 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 63 [2021-03-26 16:27:55,366 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:27:59,833 INFO L129 PetriNetUnfolder]: 952/4339 cut-off events. [2021-03-26 16:27:59,833 INFO L130 PetriNetUnfolder]: For 803924/803959 co-relation queries the response was YES. [2021-03-26 16:27:59,905 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89032 conditions, 4339 events. 952/4339 cut-off events. For 803924/803959 co-relation queries the response was YES. Maximal size of possible extension queue 592. Compared 54864 event pairs, 16 based on Foata normal form. 19/4358 useless extension candidates. Maximal degree in co-relation 88031. Up to 2813 conditions per place. [2021-03-26 16:27:59,931 INFO L132 encePairwiseOnDemand]: 45/63 looper letters, 1469 selfloop transitions, 62 changer transitions 0/1536 dead transitions. [2021-03-26 16:27:59,932 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 666 places, 1536 transitions, 66336 flow [2021-03-26 16:27:59,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 16:27:59,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 16:27:59,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 169 transitions. [2021-03-26 16:27:59,933 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2980599647266314 [2021-03-26 16:27:59,933 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 169 transitions. [2021-03-26 16:27:59,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 169 transitions. [2021-03-26 16:27:59,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:27:59,933 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 169 transitions. [2021-03-26 16:27:59,933 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 18.77777777777778) internal successors, (169), 9 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:27:59,933 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 63.0) internal successors, (630), 10 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:27:59,934 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 63.0) internal successors, (630), 10 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:27:59,934 INFO L185 Difference]: Start difference. First operand has 658 places, 1525 transitions, 62615 flow. Second operand 9 states and 169 transitions. [2021-03-26 16:27:59,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 666 places, 1536 transitions, 66336 flow [2021-03-26 16:28:05,883 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 662 places, 1536 transitions, 65933 flow, removed 188 selfloop flow, removed 4 redundant places. [2021-03-26 16:28:05,922 INFO L241 Difference]: Finished difference. Result has 663 places, 1526 transitions, 62386 flow [2021-03-26 16:28:05,923 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=62179, PETRI_DIFFERENCE_MINUEND_PLACES=654, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1524, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1462, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=62386, PETRI_PLACES=663, PETRI_TRANSITIONS=1526} [2021-03-26 16:28:05,923 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 648 predicate places. [2021-03-26 16:28:05,923 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:28:05,924 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 663 places, 1526 transitions, 62386 flow [2021-03-26 16:28:05,924 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 663 places, 1526 transitions, 62386 flow [2021-03-26 16:28:05,944 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 663 places, 1526 transitions, 62386 flow [2021-03-26 16:28:07,829 INFO L129 PetriNetUnfolder]: 952/4342 cut-off events. [2021-03-26 16:28:07,829 INFO L130 PetriNetUnfolder]: For 806237/806237 co-relation queries the response was YES. [2021-03-26 16:28:07,896 INFO L84 FinitePrefix]: Finished finitePrefix Result has 86181 conditions, 4342 events. 952/4342 cut-off events. For 806237/806237 co-relation queries the response was YES. Maximal size of possible extension queue 600. Compared 55377 event pairs, 16 based on Foata normal form. 0/4342 useless extension candidates. Maximal degree in co-relation 85199. Up to 1121 conditions per place. [2021-03-26 16:28:07,962 INFO L142 LiptonReduction]: Number of co-enabled transitions 582 [2021-03-26 16:28:08,206 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:28:08,206 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:28:08,207 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2284 [2021-03-26 16:28:08,207 INFO L480 AbstractCegarLoop]: Abstraction has has 663 places, 1526 transitions, 62386 flow [2021-03-26 16:28:08,207 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 14.166666666666666) internal successors, (170), 12 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:28:08,207 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:28:08,207 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:28:08,407 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 69 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable73 [2021-03-26 16:28:08,408 INFO L428 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:28:08,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:28:08,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1717315104, now seen corresponding path program 1 times [2021-03-26 16:28:08,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:28:08,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107838852] [2021-03-26 16:28:08,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:28:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:28:08,425 INFO L142 QuantifierPusher]: treesize reduction 34, result has 32.0 percent of original size [2021-03-26 16:28:08,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:28:08,434 INFO L142 QuantifierPusher]: treesize reduction 4, result has 93.1 percent of original size [2021-03-26 16:28:08,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 16:28:08,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 16:28:08,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:28:08,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:28:08,483 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 16:28:08,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:28:08,494 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 16:28:08,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:08,502 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:28:08,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107838852] [2021-03-26 16:28:08,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165398764] [2021-03-26 16:28:08,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:28:08,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:28:08,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-26 16:28:08,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:28:08,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:08,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:08,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:08,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:08,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:08,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:08,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:08,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:08,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,532 INFO L147 QuantifierPusher]: treesize reduction 11, result has 73.2 percent of original size 30 [2021-03-26 16:28:08,532 INFO L142 QuantifierPusher]: treesize reduction 11, result has 73.8 percent of original size [2021-03-26 16:28:08,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:28:08,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:28:08,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:28:08,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:28:08,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:28:08,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:28:08,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:28:08,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:28:08,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:28:08,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:28:08,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:28:08,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,548 INFO L147 QuantifierPusher]: treesize reduction 6, result has 78.6 percent of original size 22 [2021-03-26 16:28:08,548 INFO L142 QuantifierPusher]: treesize reduction 6, result has 78.6 percent of original size [2021-03-26 16:28:08,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:28:08,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:28:08,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:28:08,560 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-03-26 16:28:08,560 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size 27 [2021-03-26 16:28:08,561 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size [2021-03-26 16:28:08,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:28:08,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:28:08,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:28:08,578 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-03-26 16:28:08,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:28:08,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:28:08,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:28:08,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:28:08,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:28:08,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:28:08,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:28:08,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-03-26 16:28:08,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:28:08,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:08,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:28:08,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:28:08,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:08,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:28:08,585 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-03-26 16:28:08,586 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:28:08,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:08,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:28:08,588 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-03-26 16:28:08,588 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:10 [2021-03-26 16:28:08,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:28:08,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:08,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:28:08,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:28:08,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:08,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:28:08,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:08,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:08,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:08,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:08,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:08,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:08,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:08,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:08,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:08,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:08,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:08,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:08,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:08,604 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:28:08,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:28:08,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 11 [2021-03-26 16:28:08,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862527622] [2021-03-26 16:28:08,604 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 16:28:08,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:28:08,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 16:28:08,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-03-26 16:28:08,605 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 63 [2021-03-26 16:28:08,605 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 663 places, 1526 transitions, 62386 flow. Second operand has 13 states, 13 states have (on average 11.153846153846153) internal successors, (145), 13 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) [2021-03-26 16:28:08,605 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:28:08,605 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 63 [2021-03-26 16:28:08,605 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:28:13,332 INFO L129 PetriNetUnfolder]: 993/4462 cut-off events. [2021-03-26 16:28:13,332 INFO L130 PetriNetUnfolder]: For 842269/842269 co-relation queries the response was YES. [2021-03-26 16:28:13,394 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92543 conditions, 4462 events. 993/4462 cut-off events. For 842269/842269 co-relation queries the response was YES. Maximal size of possible extension queue 599. Compared 56338 event pairs, 17 based on Foata normal form. 5/4467 useless extension candidates. Maximal degree in co-relation 91534. Up to 3353 conditions per place. [2021-03-26 16:28:13,421 INFO L132 encePairwiseOnDemand]: 41/63 looper letters, 1507 selfloop transitions, 98 changer transitions 0/1609 dead transitions. [2021-03-26 16:28:13,421 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 673 places, 1609 transitions, 69321 flow [2021-03-26 16:28:13,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 16:28:13,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 16:28:13,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 181 transitions. [2021-03-26 16:28:13,422 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2611832611832612 [2021-03-26 16:28:13,422 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 181 transitions. [2021-03-26 16:28:13,422 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 181 transitions. [2021-03-26 16:28:13,422 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:28:13,422 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 181 transitions. [2021-03-26 16:28:13,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 16.454545454545453) internal successors, (181), 11 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:28:13,423 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 63.0) internal successors, (756), 12 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:28:13,423 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 63.0) internal successors, (756), 12 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:28:13,423 INFO L185 Difference]: Start difference. First operand has 663 places, 1526 transitions, 62386 flow. Second operand 11 states and 181 transitions. [2021-03-26 16:28:13,423 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 673 places, 1609 transitions, 69321 flow [2021-03-26 16:28:19,676 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 668 places, 1609 transitions, 69202 flow, removed 22 selfloop flow, removed 5 redundant places. [2021-03-26 16:28:19,716 INFO L241 Difference]: Finished difference. Result has 671 places, 1590 transitions, 65340 flow [2021-03-26 16:28:19,717 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=62267, PETRI_DIFFERENCE_MINUEND_PLACES=658, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1526, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1457, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=65340, PETRI_PLACES=671, PETRI_TRANSITIONS=1590} [2021-03-26 16:28:19,717 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 656 predicate places. [2021-03-26 16:28:19,717 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:28:19,717 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 671 places, 1590 transitions, 65340 flow [2021-03-26 16:28:19,717 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 671 places, 1590 transitions, 65340 flow [2021-03-26 16:28:19,738 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 671 places, 1590 transitions, 65340 flow [2021-03-26 16:28:21,571 INFO L129 PetriNetUnfolder]: 993/4498 cut-off events. [2021-03-26 16:28:21,571 INFO L130 PetriNetUnfolder]: For 852634/852634 co-relation queries the response was YES. [2021-03-26 16:28:21,649 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90050 conditions, 4498 events. 993/4498 cut-off events. For 852634/852634 co-relation queries the response was YES. Maximal size of possible extension queue 602. Compared 57427 event pairs, 17 based on Foata normal form. 0/4498 useless extension candidates. Maximal degree in co-relation 89055. Up to 1136 conditions per place. [2021-03-26 16:28:21,715 INFO L142 LiptonReduction]: Number of co-enabled transitions 650 [2021-03-26 16:28:22,929 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-26 16:28:22,929 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 16:28:22,930 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3213 [2021-03-26 16:28:22,930 INFO L480 AbstractCegarLoop]: Abstraction has has 671 places, 1590 transitions, 65407 flow [2021-03-26 16:28:22,930 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 11.153846153846153) internal successors, (145), 13 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) [2021-03-26 16:28:22,930 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:28:22,930 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:28:23,130 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74,70 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:28:23,130 INFO L428 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:28:23,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:28:23,131 INFO L82 PathProgramCache]: Analyzing trace with hash -1310605757, now seen corresponding path program 1 times [2021-03-26 16:28:23,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:28:23,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671193469] [2021-03-26 16:28:23,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:28:23,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:28:23,140 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:28:23,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:28:23,145 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:28:23,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:23,152 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:28:23,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:23,158 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:28:23,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:23,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:28:23,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:28:23,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:28:23,181 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:28:23,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671193469] [2021-03-26 16:28:23,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1741096115] [2021-03-26 16:28:23,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 71 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 71 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:28:23,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:28:23,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-26 16:28:23,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:28:23,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:23,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:23,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:23,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:23,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:23,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:23,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:23,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:23,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:23,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:23,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:23,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:23,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:28:23,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:23,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:28:23,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:28:23,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:23,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:28:23,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:23,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:23,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:28:23,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:23,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:28:23,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:28:23,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:28:23,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:28:23,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:28:23,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:28:23,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:28:23,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:23,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:28:23,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:28:23,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:23,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:28:23,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:28:23,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:28:23,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:28:23,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:28:23,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:28:23,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:28:23,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:28:23,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:23,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:28:23,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:28:23,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:23,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:28:23,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:28:23,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:28:23,262 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 16:28:23,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:23,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:28:23,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:23,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:28:23,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:28:23,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:28:23,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:28:23,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:28:23,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:28:23,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:28:23,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:28:23,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:23,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:28:23,268 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:28:23,268 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:28:23,268 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-03-26 16:28:23,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244910776] [2021-03-26 16:28:23,268 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 16:28:23,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:28:23,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 16:28:23,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-03-26 16:28:23,269 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 66 [2021-03-26 16:28:23,269 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 671 places, 1590 transitions, 65407 flow. Second operand has 13 states, 13 states have (on average 14.076923076923077) internal successors, (183), 13 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:28:23,269 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:28:23,269 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 66 [2021-03-26 16:28:23,269 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:28:29,073 INFO L129 PetriNetUnfolder]: 1075/4710 cut-off events. [2021-03-26 16:28:29,074 INFO L130 PetriNetUnfolder]: For 935911/935947 co-relation queries the response was YES. [2021-03-26 16:28:29,145 INFO L84 FinitePrefix]: Finished finitePrefix Result has 98213 conditions, 4710 events. 1075/4710 cut-off events. For 935911/935947 co-relation queries the response was YES. Maximal size of possible extension queue 624. Compared 59457 event pairs, 17 based on Foata normal form. 65/4775 useless extension candidates. Maximal degree in co-relation 97197. Up to 2740 conditions per place. [2021-03-26 16:28:29,174 INFO L132 encePairwiseOnDemand]: 34/66 looper letters, 1458 selfloop transitions, 353 changer transitions 2/1818 dead transitions. [2021-03-26 16:28:29,174 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 694 places, 1818 transitions, 79914 flow [2021-03-26 16:28:29,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-26 16:28:29,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-03-26 16:28:29,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 405 transitions. [2021-03-26 16:28:29,175 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2556818181818182 [2021-03-26 16:28:29,175 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 405 transitions. [2021-03-26 16:28:29,175 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 405 transitions. [2021-03-26 16:28:29,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:28:29,175 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 405 transitions. [2021-03-26 16:28:29,176 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 16.875) internal successors, (405), 24 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:28:29,177 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 66.0) internal successors, (1650), 25 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:28:29,177 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 66.0) internal successors, (1650), 25 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:28:29,177 INFO L185 Difference]: Start difference. First operand has 671 places, 1590 transitions, 65407 flow. Second operand 24 states and 405 transitions. [2021-03-26 16:28:29,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 694 places, 1818 transitions, 79914 flow [2021-03-26 16:28:36,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 693 places, 1818 transitions, 79406 flow, removed 249 selfloop flow, removed 1 redundant places. [2021-03-26 16:28:36,343 INFO L241 Difference]: Finished difference. Result has 698 places, 1711 transitions, 71678 flow [2021-03-26 16:28:36,344 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=64963, PETRI_DIFFERENCE_MINUEND_PLACES=670, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1590, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=234, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=71678, PETRI_PLACES=698, PETRI_TRANSITIONS=1711} [2021-03-26 16:28:36,344 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 683 predicate places. [2021-03-26 16:28:36,344 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:28:36,344 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 698 places, 1711 transitions, 71678 flow [2021-03-26 16:28:36,344 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 698 places, 1711 transitions, 71678 flow [2021-03-26 16:28:36,367 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 698 places, 1711 transitions, 71678 flow [2021-03-26 16:28:38,673 INFO L129 PetriNetUnfolder]: 1075/4743 cut-off events. [2021-03-26 16:28:38,673 INFO L130 PetriNetUnfolder]: For 893234/893251 co-relation queries the response was YES. [2021-03-26 16:28:38,751 INFO L84 FinitePrefix]: Finished finitePrefix Result has 95731 conditions, 4743 events. 1075/4743 cut-off events. For 893234/893251 co-relation queries the response was YES. Maximal size of possible extension queue 629. Compared 60341 event pairs, 17 based on Foata normal form. 0/4742 useless extension candidates. Maximal degree in co-relation 94710. Up to 1217 conditions per place. [2021-03-26 16:28:39,020 INFO L142 LiptonReduction]: Number of co-enabled transitions 774 [2021-03-26 16:28:39,412 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:28:39,413 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:28:39,413 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3069 [2021-03-26 16:28:39,413 INFO L480 AbstractCegarLoop]: Abstraction has has 698 places, 1711 transitions, 71678 flow [2021-03-26 16:28:39,413 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 14.076923076923077) internal successors, (183), 13 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:28:39,413 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:28:39,413 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:28:39,622 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 71 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable75 [2021-03-26 16:28:39,622 INFO L428 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:28:39,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:28:39,622 INFO L82 PathProgramCache]: Analyzing trace with hash 105599296, now seen corresponding path program 2 times [2021-03-26 16:28:39,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:28:39,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495340537] [2021-03-26 16:28:39,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:28:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:28:39,637 INFO L142 QuantifierPusher]: treesize reduction 44, result has 30.2 percent of original size [2021-03-26 16:28:39,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:28:39,654 INFO L142 QuantifierPusher]: treesize reduction 95, result has 35.8 percent of original size [2021-03-26 16:28:39,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 16:28:39,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:28:39,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:28:39,684 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-26 16:28:39,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:39,692 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:28:39,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495340537] [2021-03-26 16:28:39,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209071066] [2021-03-26 16:28:39,692 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 72 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 72 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:28:39,707 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:28:39,707 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:28:39,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-26 16:28:39,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:28:39,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:39,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:39,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:39,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:39,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:39,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:39,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:39,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:39,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:39,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:39,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:39,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:39,722 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-26 16:28:39,723 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-26 16:28:39,723 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-26 16:28:39,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:28:39,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:28:39,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:28:39,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,735 INFO L147 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size 22 [2021-03-26 16:28:39,735 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-26 16:28:39,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:28:39,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:28:39,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:28:39,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:28:39,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:28:39,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:28:39,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:28:39,749 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-03-26 16:28:39,749 INFO L147 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size 9 [2021-03-26 16:28:39,750 INFO L142 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-03-26 16:28:39,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:39,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:39,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:39,760 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-26 16:28:39,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:39,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:28:39,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:39,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:39,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:28:39,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:39,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:39,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2021-03-26 16:28:39,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:28:39,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:28:39,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:28:39,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:28:39,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:28:39,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:28:39,770 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 16:28:39,772 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:28:39,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:28:39,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:28:39,773 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-26 16:28:39,773 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:5 [2021-03-26 16:28:39,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:28:39,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:28:39,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:28:39,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:28:39,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:28:39,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 16:28:39,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:39,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:39,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:39,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:39,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:39,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:39,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:39,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:39,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:39,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:39,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:39,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:39,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:39,787 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:28:39,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:28:39,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-26 16:28:39,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929614188] [2021-03-26 16:28:39,787 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 16:28:39,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:28:39,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 16:28:39,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-03-26 16:28:39,788 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 66 [2021-03-26 16:28:39,788 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 698 places, 1711 transitions, 71678 flow. Second operand has 11 states, 11 states have (on average 12.272727272727273) internal successors, (135), 11 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:28:39,788 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:28:39,788 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 66 [2021-03-26 16:28:39,788 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:28:45,187 INFO L129 PetriNetUnfolder]: 1075/4702 cut-off events. [2021-03-26 16:28:45,187 INFO L130 PetriNetUnfolder]: For 899094/899101 co-relation queries the response was YES. [2021-03-26 16:28:45,256 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99278 conditions, 4702 events. 1075/4702 cut-off events. For 899094/899101 co-relation queries the response was YES. Maximal size of possible extension queue 623. Compared 59373 event pairs, 17 based on Foata normal form. 12/4713 useless extension candidates. Maximal degree in co-relation 98230. Up to 3589 conditions per place. [2021-03-26 16:28:45,284 INFO L132 encePairwiseOnDemand]: 45/66 looper letters, 1658 selfloop transitions, 53 changer transitions 11/1726 dead transitions. [2021-03-26 16:28:45,284 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 708 places, 1726 transitions, 75814 flow [2021-03-26 16:28:45,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 16:28:45,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 16:28:45,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 179 transitions. [2021-03-26 16:28:45,285 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2465564738292011 [2021-03-26 16:28:45,285 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 179 transitions. [2021-03-26 16:28:45,285 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 179 transitions. [2021-03-26 16:28:45,285 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:28:45,285 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 179 transitions. [2021-03-26 16:28:45,285 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 16.272727272727273) internal successors, (179), 11 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:28:45,286 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 66.0) internal successors, (792), 12 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:28:45,286 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 66.0) internal successors, (792), 12 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:28:45,286 INFO L185 Difference]: Start difference. First operand has 698 places, 1711 transitions, 71678 flow. Second operand 11 states and 179 transitions. [2021-03-26 16:28:45,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 708 places, 1726 transitions, 75814 flow [2021-03-26 16:28:52,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 700 places, 1726 transitions, 74422 flow, removed 649 selfloop flow, removed 8 redundant places. [2021-03-26 16:28:52,273 INFO L241 Difference]: Finished difference. Result has 702 places, 1713 transitions, 70512 flow [2021-03-26 16:28:52,274 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=70286, PETRI_DIFFERENCE_MINUEND_PLACES=690, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1711, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1658, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=70512, PETRI_PLACES=702, PETRI_TRANSITIONS=1713} [2021-03-26 16:28:52,274 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 687 predicate places. [2021-03-26 16:28:52,274 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:28:52,274 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 702 places, 1713 transitions, 70512 flow [2021-03-26 16:28:52,274 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 702 places, 1713 transitions, 70512 flow [2021-03-26 16:28:52,296 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 702 places, 1713 transitions, 70512 flow [2021-03-26 16:28:54,818 INFO L129 PetriNetUnfolder]: 1074/4731 cut-off events. [2021-03-26 16:28:54,819 INFO L130 PetriNetUnfolder]: For 891887/891887 co-relation queries the response was YES. [2021-03-26 16:28:54,881 INFO L84 FinitePrefix]: Finished finitePrefix Result has 95235 conditions, 4731 events. 1074/4731 cut-off events. For 891887/891887 co-relation queries the response was YES. Maximal size of possible extension queue 627. Compared 60178 event pairs, 17 based on Foata normal form. 0/4730 useless extension candidates. Maximal degree in co-relation 94207. Up to 1206 conditions per place. [2021-03-26 16:28:54,946 INFO L142 LiptonReduction]: Number of co-enabled transitions 776 [2021-03-26 16:28:55,254 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:28:55,254 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:28:55,254 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2980 [2021-03-26 16:28:55,255 INFO L480 AbstractCegarLoop]: Abstraction has has 702 places, 1713 transitions, 70512 flow [2021-03-26 16:28:55,255 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 12.272727272727273) internal successors, (135), 11 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:28:55,255 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:28:55,255 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:28:55,455 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76,72 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:28:55,455 INFO L428 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:28:55,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:28:55,456 INFO L82 PathProgramCache]: Analyzing trace with hash -1017119443, now seen corresponding path program 1 times [2021-03-26 16:28:55,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:28:55,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223233979] [2021-03-26 16:28:55,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:28:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:28:55,496 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:28:55,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:28:55,505 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:28:55,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:55,510 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:28:55,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:55,515 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:28:55,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:28:55,515 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:28:55,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:55,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:28:55,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:28:55,528 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:28:55,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223233979] [2021-03-26 16:28:55,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1250823543] [2021-03-26 16:28:55,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 73 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 73 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:28:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:28:55,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 16:28:55,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:28:55,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:55,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:55,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:55,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:55,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:55,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:55,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:55,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:55,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:55,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:55,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:55,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:55,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:28:55,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:55,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:28:55,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:28:55,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:55,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:28:55,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:55,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:55,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:28:55,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:55,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:28:55,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:28:55,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:55,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:28:55,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:55,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:55,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:28:55,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:55,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:28:55,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:28:55,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:28:55,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:28:55,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:55,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:55,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:28:55,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:28:55,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:28:55,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:28:55,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:55,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:28:55,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:28:55,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:28:55,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:28:55,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:28:55,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:28:55,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:28:55,615 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 16:28:55,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:55,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:28:55,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:28:55,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:28:55,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:28:55,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:28:55,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:28:55,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:28:55,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:28:55,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:28:55,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:28:55,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:28:55,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:28:55,622 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:28:55,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:28:55,622 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-03-26 16:28:55,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477118248] [2021-03-26 16:28:55,623 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 16:28:55,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:28:55,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 16:28:55,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-03-26 16:28:55,623 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 66 [2021-03-26 16:28:55,623 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 702 places, 1713 transitions, 70512 flow. Second operand has 12 states, 12 states have (on average 14.166666666666666) internal successors, (170), 12 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:28:55,624 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:28:55,624 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 66 [2021-03-26 16:28:55,624 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:29:00,576 INFO L129 PetriNetUnfolder]: 1076/4822 cut-off events. [2021-03-26 16:29:00,576 INFO L130 PetriNetUnfolder]: For 938224/938248 co-relation queries the response was YES. [2021-03-26 16:29:00,763 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101999 conditions, 4822 events. 1076/4822 cut-off events. For 938224/938248 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 61506 event pairs, 19 based on Foata normal form. 54/4875 useless extension candidates. Maximal degree in co-relation 100950. Up to 1827 conditions per place. [2021-03-26 16:29:00,790 INFO L132 encePairwiseOnDemand]: 38/66 looper letters, 1059 selfloop transitions, 724 changer transitions 7/1795 dead transitions. [2021-03-26 16:29:00,790 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 719 places, 1795 transitions, 78426 flow [2021-03-26 16:29:00,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 16:29:00,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 16:29:00,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 309 transitions. [2021-03-26 16:29:00,791 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2601010101010101 [2021-03-26 16:29:00,791 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 309 transitions. [2021-03-26 16:29:00,791 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 309 transitions. [2021-03-26 16:29:00,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:29:00,791 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 309 transitions. [2021-03-26 16:29:00,791 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 17.166666666666668) internal successors, (309), 18 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:29:00,792 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 66.0) internal successors, (1254), 19 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:29:00,792 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 66.0) internal successors, (1254), 19 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:29:00,792 INFO L185 Difference]: Start difference. First operand has 702 places, 1713 transitions, 70512 flow. Second operand 18 states and 309 transitions. [2021-03-26 16:29:00,792 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 719 places, 1795 transitions, 78426 flow [2021-03-26 16:29:07,479 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 710 places, 1795 transitions, 77706 flow, removed 134 selfloop flow, removed 9 redundant places. [2021-03-26 16:29:07,534 INFO L241 Difference]: Finished difference. Result has 714 places, 1732 transitions, 73330 flow [2021-03-26 16:29:07,535 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=68836, PETRI_DIFFERENCE_MINUEND_PLACES=693, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1695, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=689, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=977, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=73330, PETRI_PLACES=714, PETRI_TRANSITIONS=1732} [2021-03-26 16:29:07,535 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 699 predicate places. [2021-03-26 16:29:07,536 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:29:07,536 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 714 places, 1732 transitions, 73330 flow [2021-03-26 16:29:07,536 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 714 places, 1732 transitions, 73330 flow [2021-03-26 16:29:07,568 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 714 places, 1732 transitions, 73330 flow [2021-03-26 16:29:10,209 INFO L129 PetriNetUnfolder]: 1076/4835 cut-off events. [2021-03-26 16:29:10,210 INFO L130 PetriNetUnfolder]: For 916675/916675 co-relation queries the response was YES. [2021-03-26 16:29:10,277 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99731 conditions, 4835 events. 1076/4835 cut-off events. For 916675/916675 co-relation queries the response was YES. Maximal size of possible extension queue 639. Compared 62143 event pairs, 19 based on Foata normal form. 0/4834 useless extension candidates. Maximal degree in co-relation 98686. Up to 1256 conditions per place. [2021-03-26 16:29:10,344 INFO L142 LiptonReduction]: Number of co-enabled transitions 816 [2021-03-26 16:29:10,664 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:29:10,664 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:29:10,664 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3128 [2021-03-26 16:29:10,664 INFO L480 AbstractCegarLoop]: Abstraction has has 714 places, 1732 transitions, 73330 flow [2021-03-26 16:29:10,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 14.166666666666666) internal successors, (170), 12 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:29:10,664 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:29:10,664 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:29:10,867 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 73 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable77 [2021-03-26 16:29:10,868 INFO L428 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:29:10,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:29:10,868 INFO L82 PathProgramCache]: Analyzing trace with hash 323362441, now seen corresponding path program 1 times [2021-03-26 16:29:10,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:29:10,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450907166] [2021-03-26 16:29:10,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:29:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:29:10,874 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:29:10,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:29:10,879 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:29:10,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:29:10,885 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:29:10,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:29:10,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:29:10,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:29:10,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:29:10,902 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:29:10,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450907166] [2021-03-26 16:29:10,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596624939] [2021-03-26 16:29:10,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 74 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 74 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:29:10,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:29:10,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 16:29:10,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:29:10,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:10,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:10,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:10,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:10,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:10,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:10,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:10,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:10,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:10,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:10,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:10,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:10,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:29:10,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:29:10,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:29:10,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:29:10,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:29:10,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:29:10,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:10,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:10,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:29:10,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:29:10,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:29:10,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:29:10,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:29:10,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:29:10,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:10,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:10,973 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-26 16:29:10,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:29:10,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:29:10,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:10,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:29:10,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:29:10,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:29:10,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:29:10,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:29:10,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:29:10,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:29:10,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:29:10,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:29:10,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:29:10,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:29:10,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:29:10,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:29:10,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:29:10,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:29:10,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:29:10,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:10,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:29:10,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:29:11,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:29:11,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:11,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:29:11,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:11,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:29:11,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:11,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:29:11,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:11,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:29:11,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:11,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:29:11,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:11,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:29:11,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:11,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:29:11,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:11,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:29:11,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:11,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:29:11,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:11,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:29:11,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:11,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:29:11,005 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:29:11,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:29:11,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-03-26 16:29:11,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013733226] [2021-03-26 16:29:11,005 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 16:29:11,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:29:11,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 16:29:11,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-03-26 16:29:11,006 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 66 [2021-03-26 16:29:11,006 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 714 places, 1732 transitions, 73330 flow. Second operand has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 12 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:29:11,006 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:29:11,006 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 66 [2021-03-26 16:29:11,006 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:29:17,292 INFO L129 PetriNetUnfolder]: 1245/5817 cut-off events. [2021-03-26 16:29:17,292 INFO L130 PetriNetUnfolder]: For 1153186/1153186 co-relation queries the response was YES. [2021-03-26 16:29:17,387 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124617 conditions, 5817 events. 1245/5817 cut-off events. For 1153186/1153186 co-relation queries the response was YES. Maximal size of possible extension queue 756. Compared 77576 event pairs, 0 based on Foata normal form. 8/5824 useless extension candidates. Maximal degree in co-relation 123551. Up to 1525 conditions per place. [2021-03-26 16:29:17,422 INFO L132 encePairwiseOnDemand]: 32/66 looper letters, 1325 selfloop transitions, 784 changer transitions 16/2130 dead transitions. [2021-03-26 16:29:17,423 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 736 places, 2130 transitions, 98747 flow [2021-03-26 16:29:17,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-26 16:29:17,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-03-26 16:29:17,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 385 transitions. [2021-03-26 16:29:17,424 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2536231884057971 [2021-03-26 16:29:17,424 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 385 transitions. [2021-03-26 16:29:17,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 385 transitions. [2021-03-26 16:29:17,424 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:29:17,424 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 385 transitions. [2021-03-26 16:29:17,424 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 16.73913043478261) internal successors, (385), 23 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) [2021-03-26 16:29:17,425 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 66.0) internal successors, (1584), 24 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:29:17,425 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 66.0) internal successors, (1584), 24 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:29:17,425 INFO L185 Difference]: Start difference. First operand has 714 places, 1732 transitions, 73330 flow. Second operand 23 states and 385 transitions. [2021-03-26 16:29:17,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 736 places, 2130 transitions, 98747 flow [2021-03-26 16:29:26,287 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 726 places, 2130 transitions, 98252 flow, removed 213 selfloop flow, removed 10 redundant places. [2021-03-26 16:29:26,341 INFO L241 Difference]: Finished difference. Result has 735 places, 1885 transitions, 84180 flow [2021-03-26 16:29:26,342 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=72908, PETRI_DIFFERENCE_MINUEND_PLACES=704, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1730, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=639, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1004, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=84180, PETRI_PLACES=735, PETRI_TRANSITIONS=1885} [2021-03-26 16:29:26,342 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 720 predicate places. [2021-03-26 16:29:26,342 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:29:26,343 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 735 places, 1885 transitions, 84180 flow [2021-03-26 16:29:26,343 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 735 places, 1885 transitions, 84180 flow [2021-03-26 16:29:26,370 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 733 places, 1885 transitions, 84180 flow [2021-03-26 16:29:29,804 INFO L129 PetriNetUnfolder]: 1244/5816 cut-off events. [2021-03-26 16:29:29,804 INFO L130 PetriNetUnfolder]: For 1220137/1220137 co-relation queries the response was YES. [2021-03-26 16:29:29,892 INFO L84 FinitePrefix]: Finished finitePrefix Result has 123468 conditions, 5816 events. 1244/5816 cut-off events. For 1220137/1220137 co-relation queries the response was YES. Maximal size of possible extension queue 754. Compared 78047 event pairs, 25 based on Foata normal form. 0/5815 useless extension candidates. Maximal degree in co-relation 122733. Up to 1486 conditions per place. [2021-03-26 16:29:29,981 INFO L142 LiptonReduction]: Number of co-enabled transitions 896 [2021-03-26 16:29:30,409 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:29:30,410 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:29:30,410 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4068 [2021-03-26 16:29:30,410 INFO L480 AbstractCegarLoop]: Abstraction has has 733 places, 1885 transitions, 84180 flow [2021-03-26 16:29:30,410 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 12 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:29:30,410 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:29:30,410 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:29:30,610 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78,74 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:29:30,611 INFO L428 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:29:30,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:29:30,611 INFO L82 PathProgramCache]: Analyzing trace with hash 1762586992, now seen corresponding path program 1 times [2021-03-26 16:29:30,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:29:30,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419814334] [2021-03-26 16:29:30,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:29:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:29:30,628 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:29:30,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:29:30,634 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:29:30,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:29:30,642 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:29:30,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:29:30,649 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:29:30,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:29:30,650 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:29:30,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:29:30,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:29:30,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:29:30,665 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:29:30,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419814334] [2021-03-26 16:29:30,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499160002] [2021-03-26 16:29:30,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 75 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 75 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:29:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:29:30,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 16:29:30,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:29:30,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:30,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:30,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:30,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:30,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:30,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:30,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:30,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:30,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:30,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:30,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:30,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:30,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:29:30,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:29:30,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:29:30,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:29:30,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:29:30,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:29:30,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:30,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:30,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:29:30,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:29:30,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:29:30,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:29:30,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:29:30,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:29:30,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:30,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:30,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:29:30,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:29:30,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:29:30,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:29:30,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:29:30,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:29:30,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:30,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:30,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:29:30,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:29:30,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:29:30,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:29:30,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:30,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:29:30,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:29:30,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:29:30,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:29:30,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:29:30,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:29:30,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:29:30,776 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 16:29:30,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:30,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:29:30,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:30,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:29:30,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:29:30,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:29:30,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:29:30,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:29:30,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:29:30,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:29:30,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:29:30,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:30,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:29:30,784 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:29:30,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:29:30,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-03-26 16:29:30,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553399364] [2021-03-26 16:29:30,784 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 16:29:30,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:29:30,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 16:29:30,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-03-26 16:29:30,785 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 66 [2021-03-26 16:29:30,785 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 733 places, 1885 transitions, 84180 flow. Second operand has 12 states, 12 states have (on average 14.166666666666666) internal successors, (170), 12 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:29:30,785 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:29:30,786 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 66 [2021-03-26 16:29:30,786 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:29:37,763 INFO L129 PetriNetUnfolder]: 1294/6030 cut-off events. [2021-03-26 16:29:37,763 INFO L130 PetriNetUnfolder]: For 1289347/1289352 co-relation queries the response was YES. [2021-03-26 16:29:37,989 INFO L84 FinitePrefix]: Finished finitePrefix Result has 133246 conditions, 6030 events. 1294/6030 cut-off events. For 1289347/1289352 co-relation queries the response was YES. Maximal size of possible extension queue 792. Compared 80905 event pairs, 27 based on Foata normal form. 19/6048 useless extension candidates. Maximal degree in co-relation 132352. Up to 2709 conditions per place. [2021-03-26 16:29:38,024 INFO L132 encePairwiseOnDemand]: 33/66 looper letters, 1420 selfloop transitions, 650 changer transitions 9/2084 dead transitions. [2021-03-26 16:29:38,024 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 750 places, 2084 transitions, 98425 flow [2021-03-26 16:29:38,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 16:29:38,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 16:29:38,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 314 transitions. [2021-03-26 16:29:38,025 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.26430976430976433 [2021-03-26 16:29:38,025 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 314 transitions. [2021-03-26 16:29:38,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 314 transitions. [2021-03-26 16:29:38,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:29:38,025 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 314 transitions. [2021-03-26 16:29:38,026 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 17.444444444444443) internal successors, (314), 18 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:29:38,027 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 66.0) internal successors, (1254), 19 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:29:38,027 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 66.0) internal successors, (1254), 19 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:29:38,027 INFO L185 Difference]: Start difference. First operand has 733 places, 1885 transitions, 84180 flow. Second operand 18 states and 314 transitions. [2021-03-26 16:29:38,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 750 places, 2084 transitions, 98425 flow [2021-03-26 16:29:48,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 745 places, 2084 transitions, 96336 flow, removed 1017 selfloop flow, removed 5 redundant places. [2021-03-26 16:29:48,573 INFO L241 Difference]: Finished difference. Result has 750 places, 1947 transitions, 87729 flow [2021-03-26 16:29:48,575 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=81861, PETRI_DIFFERENCE_MINUEND_PLACES=728, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1878, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=584, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=87729, PETRI_PLACES=750, PETRI_TRANSITIONS=1947} [2021-03-26 16:29:48,575 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 735 predicate places. [2021-03-26 16:29:48,575 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:29:48,575 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 750 places, 1947 transitions, 87729 flow [2021-03-26 16:29:48,576 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 750 places, 1947 transitions, 87729 flow [2021-03-26 16:29:48,616 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 750 places, 1947 transitions, 87729 flow [2021-03-26 16:29:52,217 INFO L129 PetriNetUnfolder]: 1294/6046 cut-off events. [2021-03-26 16:29:52,217 INFO L130 PetriNetUnfolder]: For 1267462/1267544 co-relation queries the response was YES. [2021-03-26 16:29:52,308 INFO L84 FinitePrefix]: Finished finitePrefix Result has 129124 conditions, 6046 events. 1294/6046 cut-off events. For 1267462/1267544 co-relation queries the response was YES. Maximal size of possible extension queue 806. Compared 81824 event pairs, 27 based on Foata normal form. 2/6047 useless extension candidates. Maximal degree in co-relation 128334. Up to 1565 conditions per place. [2021-03-26 16:29:52,398 INFO L142 LiptonReduction]: Number of co-enabled transitions 970 [2021-03-26 16:29:52,791 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:29:52,791 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:29:52,791 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4216 [2021-03-26 16:29:52,791 INFO L480 AbstractCegarLoop]: Abstraction has has 750 places, 1947 transitions, 87729 flow [2021-03-26 16:29:52,791 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 14.166666666666666) internal successors, (170), 12 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:29:52,791 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:29:52,791 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:29:52,992 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 75 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable79 [2021-03-26 16:29:52,992 INFO L428 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:29:52,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:29:52,992 INFO L82 PathProgramCache]: Analyzing trace with hash -424390485, now seen corresponding path program 2 times [2021-03-26 16:29:52,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:29:52,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230954075] [2021-03-26 16:29:52,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:29:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:29:52,998 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:29:52,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:29:53,003 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:29:53,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:29:53,008 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:29:53,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:29:53,014 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:29:53,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:29:53,014 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:29:53,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:29:53,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:29:53,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:29:53,024 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:29:53,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230954075] [2021-03-26 16:29:53,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1050861803] [2021-03-26 16:29:53,024 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 76 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 76 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:29:53,038 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:29:53,038 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:29:53,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 16:29:53,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:29:53,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:53,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:53,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:53,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:53,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:53,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:53,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:53,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:53,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:53,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:53,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:53,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:53,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:29:53,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:29:53,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:29:53,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:29:53,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:29:53,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:29:53,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:53,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:53,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:29:53,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:29:53,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:29:53,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:29:53,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:29:53,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:29:53,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:53,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:53,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:29:53,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:29:53,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:29:53,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:29:53,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:29:53,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:29:53,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:53,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:53,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:29:53,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:29:53,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:29:53,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:29:53,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:53,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:29:53,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:29:53,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:29:53,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:29:53,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:29:53,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:29:53,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:29:53,132 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 16:29:53,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:53,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:29:53,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:29:53,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:29:53,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:29:53,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:29:53,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:29:53,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:29:53,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:29:53,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:29:53,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:29:53,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:29:53,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:29:53,139 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:29:53,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:29:53,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-03-26 16:29:53,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915526341] [2021-03-26 16:29:53,139 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 16:29:53,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:29:53,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 16:29:53,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-03-26 16:29:53,140 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 66 [2021-03-26 16:29:53,140 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 750 places, 1947 transitions, 87729 flow. Second operand has 12 states, 12 states have (on average 14.166666666666666) internal successors, (170), 12 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:29:53,140 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:29:53,140 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 66 [2021-03-26 16:29:53,140 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:29:53,407 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 13 [2021-03-26 16:30:00,667 INFO L129 PetriNetUnfolder]: 1323/6206 cut-off events. [2021-03-26 16:30:00,667 INFO L130 PetriNetUnfolder]: For 1311553/1311560 co-relation queries the response was YES. [2021-03-26 16:30:00,763 INFO L84 FinitePrefix]: Finished finitePrefix Result has 137532 conditions, 6206 events. 1323/6206 cut-off events. For 1311553/1311560 co-relation queries the response was YES. Maximal size of possible extension queue 811. Compared 83775 event pairs, 29 based on Foata normal form. 11/6216 useless extension candidates. Maximal degree in co-relation 136701. Up to 2127 conditions per place. [2021-03-26 16:30:00,801 INFO L132 encePairwiseOnDemand]: 33/66 looper letters, 1297 selfloop transitions, 875 changer transitions 11/2188 dead transitions. [2021-03-26 16:30:00,801 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 768 places, 2188 transitions, 103896 flow [2021-03-26 16:30:00,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-26 16:30:00,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-26 16:30:00,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 341 transitions. [2021-03-26 16:30:00,802 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.25833333333333336 [2021-03-26 16:30:00,802 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 341 transitions. [2021-03-26 16:30:00,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 341 transitions. [2021-03-26 16:30:00,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:30:00,802 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 341 transitions. [2021-03-26 16:30:00,803 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 17.05) internal successors, (341), 20 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:30:00,803 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 66.0) internal successors, (1386), 21 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:30:00,803 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 66.0) internal successors, (1386), 21 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:30:00,803 INFO L185 Difference]: Start difference. First operand has 750 places, 1947 transitions, 87729 flow. Second operand 20 states and 341 transitions. [2021-03-26 16:30:00,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 768 places, 2188 transitions, 103896 flow [2021-03-26 16:30:11,876 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 759 places, 2188 transitions, 103188 flow, removed 309 selfloop flow, removed 9 redundant places. [2021-03-26 16:30:11,950 INFO L241 Difference]: Finished difference. Result has 764 places, 1978 transitions, 91905 flow [2021-03-26 16:30:11,952 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=86880, PETRI_DIFFERENCE_MINUEND_PLACES=740, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1944, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=842, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1083, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=91905, PETRI_PLACES=764, PETRI_TRANSITIONS=1978} [2021-03-26 16:30:11,952 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 749 predicate places. [2021-03-26 16:30:11,952 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:30:11,953 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 764 places, 1978 transitions, 91905 flow [2021-03-26 16:30:11,953 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 764 places, 1978 transitions, 91905 flow [2021-03-26 16:30:11,988 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 764 places, 1978 transitions, 91905 flow [2021-03-26 16:30:15,557 INFO L129 PetriNetUnfolder]: 1323/6231 cut-off events. [2021-03-26 16:30:15,557 INFO L130 PetriNetUnfolder]: For 1339895/1339895 co-relation queries the response was YES. [2021-03-26 16:30:15,791 INFO L84 FinitePrefix]: Finished finitePrefix Result has 135435 conditions, 6231 events. 1323/6231 cut-off events. For 1339895/1339895 co-relation queries the response was YES. Maximal size of possible extension queue 822. Compared 84756 event pairs, 29 based on Foata normal form. 0/6230 useless extension candidates. Maximal degree in co-relation 134286. Up to 1624 conditions per place. [2021-03-26 16:30:15,888 INFO L142 LiptonReduction]: Number of co-enabled transitions 1006 [2021-03-26 16:30:17,056 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:30:17,056 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 16:30:17,056 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5104 [2021-03-26 16:30:17,056 INFO L480 AbstractCegarLoop]: Abstraction has has 764 places, 1978 transitions, 91940 flow [2021-03-26 16:30:17,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 14.166666666666666) internal successors, (170), 12 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:30:17,057 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:30:17,057 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:30:17,260 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,76 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:30:17,260 INFO L428 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:30:17,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:30:17,261 INFO L82 PathProgramCache]: Analyzing trace with hash -453913366, now seen corresponding path program 1 times [2021-03-26 16:30:17,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:30:17,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536437530] [2021-03-26 16:30:17,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:30:17,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:30:17,266 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:30:17,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:30:17,271 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:30:17,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:30:17,277 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:30:17,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:30:17,283 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:30:17,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:30:17,284 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:30:17,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:30:17,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:30:17,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:30:17,296 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 16:30:17,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536437530] [2021-03-26 16:30:17,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1009073776] [2021-03-26 16:30:17,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 77 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 77 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:30:17,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:30:17,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 16:30:17,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:30:17,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:30:17,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:30:17,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:30:17,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:30:17,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:30:17,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:30:17,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:30:17,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:30:17,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:30:17,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:30:17,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:30:17,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:30:17,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:30:17,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:30:17,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:30:17,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:30:17,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:30:17,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:30:17,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:30:17,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:30:17,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:30:17,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:30:17,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:30:17,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:30:17,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:30:17,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:30:17,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:30:17,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:30:17,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:30:17,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:30:17,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:30:17,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:30:17,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:30:17,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:30:17,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:30:17,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:30:17,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:30:17,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:30:17,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:30:17,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:30:17,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:30:17,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:30:17,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:30:17,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:30:17,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:30:17,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:30:17,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:30:17,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:30:17,395 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 16:30:17,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:30:17,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:30:17,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:30:17,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:30:17,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:30:17,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:30:17,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:30:17,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:30:17,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:30:17,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:30:17,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:30:17,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:17,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:30:17,402 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:30:17,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:30:17,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-03-26 16:30:17,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280164607] [2021-03-26 16:30:17,402 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 16:30:17,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:30:17,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 16:30:17,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-03-26 16:30:17,403 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 67 [2021-03-26 16:30:17,403 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 764 places, 1978 transitions, 91940 flow. Second operand has 12 states, 12 states have (on average 14.166666666666666) internal successors, (170), 12 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:30:17,403 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:30:17,403 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 67 [2021-03-26 16:30:17,403 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:30:25,765 INFO L129 PetriNetUnfolder]: 1343/6276 cut-off events. [2021-03-26 16:30:25,765 INFO L130 PetriNetUnfolder]: For 1346864/1346872 co-relation queries the response was YES. [2021-03-26 16:30:25,867 INFO L84 FinitePrefix]: Finished finitePrefix Result has 141263 conditions, 6276 events. 1343/6276 cut-off events. For 1346864/1346872 co-relation queries the response was YES. Maximal size of possible extension queue 821. Compared 84820 event pairs, 30 based on Foata normal form. 12/6287 useless extension candidates. Maximal degree in co-relation 140092. Up to 3848 conditions per place. [2021-03-26 16:30:25,907 INFO L132 encePairwiseOnDemand]: 46/67 looper letters, 1839 selfloop transitions, 201 changer transitions 1/2046 dead transitions. [2021-03-26 16:30:25,908 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 776 places, 2046 transitions, 99912 flow [2021-03-26 16:30:25,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 16:30:25,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 16:30:25,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 237 transitions. [2021-03-26 16:30:25,909 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27210103329506313 [2021-03-26 16:30:25,909 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 237 transitions. [2021-03-26 16:30:25,909 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 237 transitions. [2021-03-26 16:30:25,909 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:30:25,909 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 237 transitions. [2021-03-26 16:30:25,909 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 18.23076923076923) internal successors, (237), 13 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) [2021-03-26 16:30:25,910 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 67.0) internal successors, (938), 14 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:30:25,910 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 67.0) internal successors, (938), 14 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:30:25,910 INFO L185 Difference]: Start difference. First operand has 764 places, 1978 transitions, 91940 flow. Second operand 13 states and 237 transitions. [2021-03-26 16:30:25,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 776 places, 2046 transitions, 99912 flow [2021-03-26 16:30:37,058 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 766 places, 2046 transitions, 99381 flow, removed 219 selfloop flow, removed 10 redundant places. [2021-03-26 16:30:37,118 INFO L241 Difference]: Finished difference. Result has 770 places, 2008 transitions, 93353 flow [2021-03-26 16:30:37,119 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=67, PETRI_DIFFERENCE_MINUEND_FLOW=91396, PETRI_DIFFERENCE_MINUEND_PLACES=754, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1977, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=170, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1783, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=93353, PETRI_PLACES=770, PETRI_TRANSITIONS=2008} [2021-03-26 16:30:37,119 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 755 predicate places. [2021-03-26 16:30:37,119 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:30:37,119 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 770 places, 2008 transitions, 93353 flow [2021-03-26 16:30:37,120 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 770 places, 2008 transitions, 93353 flow [2021-03-26 16:30:37,151 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 770 places, 2008 transitions, 93353 flow [2021-03-26 16:30:40,971 INFO L129 PetriNetUnfolder]: 1343/6300 cut-off events. [2021-03-26 16:30:40,971 INFO L130 PetriNetUnfolder]: For 1351192/1351192 co-relation queries the response was YES. [2021-03-26 16:30:41,068 INFO L84 FinitePrefix]: Finished finitePrefix Result has 137120 conditions, 6300 events. 1343/6300 cut-off events. For 1351192/1351192 co-relation queries the response was YES. Maximal size of possible extension queue 819. Compared 85875 event pairs, 29 based on Foata normal form. 0/6299 useless extension candidates. Maximal degree in co-relation 136003. Up to 1644 conditions per place. [2021-03-26 16:30:41,162 INFO L142 LiptonReduction]: Number of co-enabled transitions 1006 [2021-03-26 16:30:41,586 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:30:41,587 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:30:41,587 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4468 [2021-03-26 16:30:41,587 INFO L480 AbstractCegarLoop]: Abstraction has has 770 places, 2008 transitions, 93353 flow [2021-03-26 16:30:41,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 14.166666666666666) internal successors, (170), 12 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:30:41,587 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:30:41,587 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:30:41,787 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,77 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:30:41,788 INFO L428 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:30:41,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:30:41,788 INFO L82 PathProgramCache]: Analyzing trace with hash 274383659, now seen corresponding path program 1 times [2021-03-26 16:30:41,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:30:41,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591921158] [2021-03-26 16:30:41,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:30:41,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:30:41,807 INFO L142 QuantifierPusher]: treesize reduction 68, result has 28.4 percent of original size [2021-03-26 16:30:41,807 INFO L147 QuantifierPusher]: treesize reduction 5, result has 81.5 percent of original size 22 [2021-03-26 16:30:41,827 INFO L142 QuantifierPusher]: treesize reduction 102, result has 41.4 percent of original size [2021-03-26 16:30:41,828 INFO L147 QuantifierPusher]: treesize reduction 7, result has 90.3 percent of original size 65 [2021-03-26 16:30:41,856 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-03-26 16:30:41,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 16:30:41,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:41,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:30:41,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:41,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:30:41,888 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-26 16:30:41,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:30:41,897 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:30:41,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591921158] [2021-03-26 16:30:41,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1492456789] [2021-03-26 16:30:41,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 78 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 78 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:30:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:30:41,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-26 16:30:41,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:30:41,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:41,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:30:41,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:41,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:30:41,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:41,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:30:41,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:41,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:30:41,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:41,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:30:41,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:41,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:30:41,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:41,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:30:41,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:41,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:30:41,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:41,928 INFO L147 QuantifierPusher]: treesize reduction 9, result has 73.5 percent of original size 25 [2021-03-26 16:30:41,928 INFO L142 QuantifierPusher]: treesize reduction 9, result has 73.5 percent of original size [2021-03-26 16:30:41,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:30:41,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:41,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:30:41,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:41,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:30:41,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:41,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:30:41,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:41,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:30:41,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:41,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:30:41,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:41,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:30:41,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:41,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 16:30:41,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:41,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:30:41,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:41,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:30:41,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:41,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:30:41,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:41,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:30:41,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:41,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:30:41,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:41,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:30:41,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:41,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:30:41,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:41,982 INFO L147 QuantifierPusher]: treesize reduction 18, result has 37.9 percent of original size 11 [2021-03-26 16:30:41,983 INFO L142 QuantifierPusher]: treesize reduction 18, result has 37.9 percent of original size [2021-03-26 16:30:41,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:30:41,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:41,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:30:41,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:41,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:30:42,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:42,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:30:42,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:42,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:30:42,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:42,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:30:42,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:42,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:30:42,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:42,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:30:42,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:42,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:30:42,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:42,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:30:42,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:42,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:30:42,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:42,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:30:42,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:42,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:30:42,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:42,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:30:42,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:42,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:30:42,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:42,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:30:42,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:42,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:30:42,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:42,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:30:42,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:30:42,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:30:42,017 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:30:42,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:30:42,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-03-26 16:30:42,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827124521] [2021-03-26 16:30:42,018 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 16:30:42,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:30:42,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 16:30:42,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-03-26 16:30:42,018 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 67 [2021-03-26 16:30:42,018 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 770 places, 2008 transitions, 93353 flow. Second operand has 12 states, 12 states have (on average 11.166666666666666) internal successors, (134), 12 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:30:42,018 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:30:42,018 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 67 [2021-03-26 16:30:42,018 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:30:51,398 INFO L129 PetriNetUnfolder]: 1347/6310 cut-off events. [2021-03-26 16:30:51,398 INFO L130 PetriNetUnfolder]: For 1357824/1357832 co-relation queries the response was YES. [2021-03-26 16:30:51,535 INFO L84 FinitePrefix]: Finished finitePrefix Result has 142251 conditions, 6310 events. 1347/6310 cut-off events. For 1357824/1357832 co-relation queries the response was YES. Maximal size of possible extension queue 815. Compared 85366 event pairs, 0 based on Foata normal form. 12/6321 useless extension candidates. Maximal degree in co-relation 141107. Up to 3305 conditions per place. [2021-03-26 16:30:51,595 INFO L132 encePairwiseOnDemand]: 41/67 looper letters, 1488 selfloop transitions, 544 changer transitions 7/2043 dead transitions. [2021-03-26 16:30:51,595 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 783 places, 2043 transitions, 99748 flow [2021-03-26 16:30:51,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 16:30:51,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 16:30:51,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 203 transitions. [2021-03-26 16:30:51,596 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21641791044776118 [2021-03-26 16:30:51,596 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 203 transitions. [2021-03-26 16:30:51,596 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 203 transitions. [2021-03-26 16:30:51,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:30:51,596 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 203 transitions. [2021-03-26 16:30:51,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 14.5) internal successors, (203), 14 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:30:51,598 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 67.0) internal successors, (1005), 15 states have internal predecessors, (1005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:30:51,598 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 67.0) internal successors, (1005), 15 states have internal predecessors, (1005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:30:51,598 INFO L185 Difference]: Start difference. First operand has 770 places, 2008 transitions, 93353 flow. Second operand 14 states and 203 transitions. [2021-03-26 16:30:51,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 783 places, 2043 transitions, 99748 flow [2021-03-26 16:31:02,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 779 places, 2043 transitions, 99517 flow, removed 65 selfloop flow, removed 4 redundant places. [2021-03-26 16:31:02,445 INFO L241 Difference]: Finished difference. Result has 785 places, 2018 transitions, 94883 flow [2021-03-26 16:31:02,446 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=67, PETRI_DIFFERENCE_MINUEND_FLOW=93122, PETRI_DIFFERENCE_MINUEND_PLACES=766, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2008, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=535, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1467, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=94883, PETRI_PLACES=785, PETRI_TRANSITIONS=2018} [2021-03-26 16:31:02,446 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 770 predicate places. [2021-03-26 16:31:02,446 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:31:02,446 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 785 places, 2018 transitions, 94883 flow [2021-03-26 16:31:02,446 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 785 places, 2018 transitions, 94883 flow [2021-03-26 16:31:02,478 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 783 places, 2018 transitions, 94883 flow [2021-03-26 16:31:06,289 INFO L129 PetriNetUnfolder]: 1346/6303 cut-off events. [2021-03-26 16:31:06,289 INFO L130 PetriNetUnfolder]: For 1387552/1387581 co-relation queries the response was YES. [2021-03-26 16:31:06,395 INFO L84 FinitePrefix]: Finished finitePrefix Result has 138985 conditions, 6303 events. 1346/6303 cut-off events. For 1387552/1387581 co-relation queries the response was YES. Maximal size of possible extension queue 822. Compared 85853 event pairs, 30 based on Foata normal form. 2/6304 useless extension candidates. Maximal degree in co-relation 138471. Up to 1642 conditions per place. [2021-03-26 16:31:06,610 INFO L142 LiptonReduction]: Number of co-enabled transitions 1008 [2021-03-26 16:31:07,840 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:31:07,840 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 16:31:07,840 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5394 [2021-03-26 16:31:07,840 INFO L480 AbstractCegarLoop]: Abstraction has has 783 places, 2018 transitions, 94904 flow [2021-03-26 16:31:07,841 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 11.166666666666666) internal successors, (134), 12 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:31:07,841 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:31:07,841 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:31:08,041 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,78 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:31:08,041 INFO L428 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:31:08,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:31:08,041 INFO L82 PathProgramCache]: Analyzing trace with hash -512957206, now seen corresponding path program 2 times [2021-03-26 16:31:08,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:31:08,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545709519] [2021-03-26 16:31:08,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:31:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:31:08,046 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:31:08,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:31:08,051 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:31:08,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:31:08,057 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:31:08,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:31:08,064 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:31:08,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:31:08,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:31:08,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:31:08,069 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:31:08,069 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545709519] [2021-03-26 16:31:08,069 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446504970] [2021-03-26 16:31:08,069 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 79 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 79 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:31:08,083 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:31:08,083 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:31:08,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 16:31:08,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:31:08,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:08,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:08,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:08,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:08,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:08,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:08,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:08,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:08,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:08,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:08,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:08,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:08,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:31:08,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:31:08,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:31:08,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:31:08,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:31:08,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:31:08,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:08,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:08,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:31:08,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:31:08,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:31:08,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:31:08,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:31:08,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:31:08,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:08,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:08,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:31:08,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:31:08,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:31:08,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:31:08,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:31:08,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:31:08,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:08,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:08,142 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-26 16:31:08,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:31:08,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:31:08,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:08,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:31:08,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:31:08,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:31:08,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:31:08,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:31:08,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:31:08,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:31:08,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:31:08,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:31:08,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:31:08,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:31:08,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:31:08,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:31:08,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:31:08,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:31:08,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:31:08,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:31:08,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:31:08,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:31:08,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:31:08,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:31:08,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:31:08,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:08,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:31:08,168 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:31:08,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:31:08,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2021-03-26 16:31:08,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626787780] [2021-03-26 16:31:08,168 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 16:31:08,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:31:08,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 16:31:08,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-03-26 16:31:08,169 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 68 [2021-03-26 16:31:08,169 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 783 places, 2018 transitions, 94904 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) [2021-03-26 16:31:08,169 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:31:08,169 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 68 [2021-03-26 16:31:08,169 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:31:16,680 INFO L129 PetriNetUnfolder]: 1344/6287 cut-off events. [2021-03-26 16:31:16,680 INFO L130 PetriNetUnfolder]: For 1394836/1394984 co-relation queries the response was YES. [2021-03-26 16:31:16,782 INFO L84 FinitePrefix]: Finished finitePrefix Result has 143775 conditions, 6287 events. 1344/6287 cut-off events. For 1394836/1394984 co-relation queries the response was YES. Maximal size of possible extension queue 825. Compared 85083 event pairs, 0 based on Foata normal form. 19/6305 useless extension candidates. Maximal degree in co-relation 143255. Up to 2215 conditions per place. [2021-03-26 16:31:16,819 INFO L132 encePairwiseOnDemand]: 47/68 looper letters, 1692 selfloop transitions, 370 changer transitions 4/2071 dead transitions. [2021-03-26 16:31:16,819 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 800 places, 2071 transitions, 102761 flow [2021-03-26 16:31:16,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 16:31:16,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 16:31:16,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 305 transitions. [2021-03-26 16:31:16,820 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24918300653594772 [2021-03-26 16:31:16,820 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 305 transitions. [2021-03-26 16:31:16,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 305 transitions. [2021-03-26 16:31:16,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:31:16,821 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 305 transitions. [2021-03-26 16:31:16,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 16.944444444444443) internal successors, (305), 18 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:31:16,822 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 68.0) internal successors, (1292), 19 states have internal predecessors, (1292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:31:16,822 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 68.0) internal successors, (1292), 19 states have internal predecessors, (1292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:31:16,822 INFO L185 Difference]: Start difference. First operand has 783 places, 2018 transitions, 94904 flow. Second operand 18 states and 305 transitions. [2021-03-26 16:31:16,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 800 places, 2071 transitions, 102761 flow [2021-03-26 16:31:28,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 793 places, 2071 transitions, 102222 flow, removed 254 selfloop flow, removed 7 redundant places. [2021-03-26 16:31:28,264 INFO L241 Difference]: Finished difference. Result has 796 places, 2029 transitions, 96111 flow [2021-03-26 16:31:28,266 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=94326, PETRI_DIFFERENCE_MINUEND_PLACES=776, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2015, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=356, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1653, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=96111, PETRI_PLACES=796, PETRI_TRANSITIONS=2029} [2021-03-26 16:31:28,266 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 781 predicate places. [2021-03-26 16:31:28,266 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:31:28,267 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 796 places, 2029 transitions, 96111 flow [2021-03-26 16:31:28,267 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 796 places, 2029 transitions, 96111 flow [2021-03-26 16:31:28,310 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 795 places, 2029 transitions, 96111 flow [2021-03-26 16:31:32,105 INFO L129 PetriNetUnfolder]: 1344/6330 cut-off events. [2021-03-26 16:31:32,106 INFO L130 PetriNetUnfolder]: For 1412810/1412810 co-relation queries the response was YES. [2021-03-26 16:31:32,211 INFO L84 FinitePrefix]: Finished finitePrefix Result has 141061 conditions, 6330 events. 1344/6330 cut-off events. For 1412810/1412810 co-relation queries the response was YES. Maximal size of possible extension queue 817. Compared 86404 event pairs, 30 based on Foata normal form. 0/6329 useless extension candidates. Maximal degree in co-relation 139914. Up to 1635 conditions per place. [2021-03-26 16:31:32,509 INFO L142 LiptonReduction]: Number of co-enabled transitions 1008 [2021-03-26 16:31:32,961 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:31:32,961 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:31:32,961 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4695 [2021-03-26 16:31:32,961 INFO L480 AbstractCegarLoop]: Abstraction has has 795 places, 2029 transitions, 96111 flow [2021-03-26 16:31:32,961 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) [2021-03-26 16:31:32,961 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:31:32,961 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:31:33,162 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83,79 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:31:33,162 INFO L428 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:31:33,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:31:33,162 INFO L82 PathProgramCache]: Analyzing trace with hash 470897142, now seen corresponding path program 1 times [2021-03-26 16:31:33,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:31:33,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268960546] [2021-03-26 16:31:33,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:31:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:31:33,168 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:31:33,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:31:33,173 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:31:33,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:31:33,179 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:31:33,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:31:33,185 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:31:33,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:31:33,185 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:31:33,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:31:33,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:31:33,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:31:33,198 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 16:31:33,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268960546] [2021-03-26 16:31:33,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216219133] [2021-03-26 16:31:33,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 80 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 80 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:31:33,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:31:33,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 16:31:33,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:31:33,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:33,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:33,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:33,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:33,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:33,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:33,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:33,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:33,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:33,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:33,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:33,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:33,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:31:33,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:31:33,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:31:33,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:31:33,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:31:33,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:31:33,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:33,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:33,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:31:33,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:31:33,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:31:33,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:31:33,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:31:33,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:31:33,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:33,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:33,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:31:33,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:31:33,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:31:33,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:31:33,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:31:33,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:31:33,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:33,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:33,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:31:33,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:31:33,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:31:33,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:31:33,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:33,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:31:33,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:31:33,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:31:33,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:31:33,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:31:33,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:31:33,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:31:33,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:31:33,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:31:33,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:31:33,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:31:33,313 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 16:31:33,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:33,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:31:33,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:33,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:31:33,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:31:33,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:31:33,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:31:33,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:31:33,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:33,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:31:33,318 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:31:33,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:31:33,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-03-26 16:31:33,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250504086] [2021-03-26 16:31:33,319 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 16:31:33,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:31:33,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 16:31:33,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-03-26 16:31:33,319 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 68 [2021-03-26 16:31:33,320 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 795 places, 2029 transitions, 96111 flow. Second operand has 12 states, 12 states have (on average 14.166666666666666) internal successors, (170), 12 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:31:33,320 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:31:33,320 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 68 [2021-03-26 16:31:33,320 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:31:41,694 INFO L129 PetriNetUnfolder]: 1360/6382 cut-off events. [2021-03-26 16:31:41,694 INFO L130 PetriNetUnfolder]: For 1448222/1448230 co-relation queries the response was YES. [2021-03-26 16:31:41,796 INFO L84 FinitePrefix]: Finished finitePrefix Result has 147397 conditions, 6382 events. 1360/6382 cut-off events. For 1448222/1448230 co-relation queries the response was YES. Maximal size of possible extension queue 823. Compared 86580 event pairs, 32 based on Foata normal form. 10/6391 useless extension candidates. Maximal degree in co-relation 146229. Up to 3624 conditions per place. [2021-03-26 16:31:41,833 INFO L132 encePairwiseOnDemand]: 34/68 looper letters, 1720 selfloop transitions, 424 changer transitions 4/2153 dead transitions. [2021-03-26 16:31:41,833 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 813 places, 2153 transitions, 107474 flow [2021-03-26 16:31:41,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 16:31:41,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 16:31:41,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 338 transitions. [2021-03-26 16:31:41,834 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.26160990712074306 [2021-03-26 16:31:41,834 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 338 transitions. [2021-03-26 16:31:41,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 338 transitions. [2021-03-26 16:31:41,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:31:41,835 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 338 transitions. [2021-03-26 16:31:41,835 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 17.789473684210527) internal successors, (338), 19 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:31:41,836 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 68.0) internal successors, (1360), 20 states have internal predecessors, (1360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:31:41,836 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 68.0) internal successors, (1360), 20 states have internal predecessors, (1360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:31:41,836 INFO L185 Difference]: Start difference. First operand has 795 places, 2029 transitions, 96111 flow. Second operand 19 states and 338 transitions. [2021-03-26 16:31:41,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 813 places, 2153 transitions, 107474 flow [2021-03-26 16:31:53,361 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 807 places, 2153 transitions, 107228 flow, removed 63 selfloop flow, removed 6 redundant places. [2021-03-26 16:31:53,428 INFO L241 Difference]: Finished difference. Result has 811 places, 2045 transitions, 98244 flow [2021-03-26 16:31:53,430 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=95867, PETRI_DIFFERENCE_MINUEND_PLACES=789, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2029, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=408, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1607, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=98244, PETRI_PLACES=811, PETRI_TRANSITIONS=2045} [2021-03-26 16:31:53,430 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 796 predicate places. [2021-03-26 16:31:53,430 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:31:53,431 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 811 places, 2045 transitions, 98244 flow [2021-03-26 16:31:53,431 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 811 places, 2045 transitions, 98244 flow [2021-03-26 16:31:53,465 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 811 places, 2045 transitions, 98244 flow [2021-03-26 16:31:57,403 INFO L129 PetriNetUnfolder]: 1360/6404 cut-off events. [2021-03-26 16:31:57,404 INFO L130 PetriNetUnfolder]: For 1463039/1463039 co-relation queries the response was YES. [2021-03-26 16:31:57,508 INFO L84 FinitePrefix]: Finished finitePrefix Result has 144112 conditions, 6404 events. 1360/6404 cut-off events. For 1463039/1463039 co-relation queries the response was YES. Maximal size of possible extension queue 831. Compared 87498 event pairs, 33 based on Foata normal form. 0/6403 useless extension candidates. Maximal degree in co-relation 142950. Up to 1660 conditions per place. [2021-03-26 16:31:57,609 INFO L142 LiptonReduction]: Number of co-enabled transitions 1020 [2021-03-26 16:31:58,075 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:31:58,075 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:31:58,076 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4645 [2021-03-26 16:31:58,076 INFO L480 AbstractCegarLoop]: Abstraction has has 811 places, 2045 transitions, 98244 flow [2021-03-26 16:31:58,076 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 14.166666666666666) internal successors, (170), 12 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:31:58,076 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:31:58,076 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:31:58,279 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84,80 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:31:58,280 INFO L428 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:31:58,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:31:58,280 INFO L82 PathProgramCache]: Analyzing trace with hash 442267991, now seen corresponding path program 1 times [2021-03-26 16:31:58,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:31:58,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929582278] [2021-03-26 16:31:58,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:31:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:31:58,286 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:31:58,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:31:58,291 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:31:58,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:31:58,297 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:31:58,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:31:58,303 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:31:58,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:31:58,304 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:31:58,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:31:58,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:31:58,311 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:31:58,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929582278] [2021-03-26 16:31:58,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469921189] [2021-03-26 16:31:58,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 81 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-26 16:31:58,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:31:58,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 16:31:58,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:31:58,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:58,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:58,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:58,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 Waiting until toolchain timeout for monitored process 81 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:31:58,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:58,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:58,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:58,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:58,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:58,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:58,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:58,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:58,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:31:58,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:31:58,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:31:58,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:31:58,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:31:58,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:31:58,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:58,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:58,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:31:58,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:31:58,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:31:58,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:31:58,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:31:58,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:31:58,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:58,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:58,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:31:58,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:31:58,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:31:58,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:31:58,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:31:58,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:31:58,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:58,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:58,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:31:58,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:31:58,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:31:58,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:31:58,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:58,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:31:58,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:31:58,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:31:58,407 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 16:31:58,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:58,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:31:58,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:31:58,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:31:58,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:31:58,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:31:58,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:31:58,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:31:58,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:31:58,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:31:58,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:31:58,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:31:58,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:31:58,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:31:58,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:31:58,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:31:58,414 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:31:58,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:31:58,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2021-03-26 16:31:58,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566272055] [2021-03-26 16:31:58,414 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 16:31:58,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:31:58,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 16:31:58,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-03-26 16:31:58,415 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 68 [2021-03-26 16:31:58,415 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 811 places, 2045 transitions, 98244 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) [2021-03-26 16:31:58,415 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:31:58,415 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 68 [2021-03-26 16:31:58,415 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:31:58,904 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 11 [2021-03-26 16:32:07,014 INFO L129 PetriNetUnfolder]: 1417/6607 cut-off events. [2021-03-26 16:32:07,014 INFO L130 PetriNetUnfolder]: For 1544468/1544468 co-relation queries the response was YES. [2021-03-26 16:32:07,126 INFO L84 FinitePrefix]: Finished finitePrefix Result has 154426 conditions, 6607 events. 1417/6607 cut-off events. For 1544468/1544468 co-relation queries the response was YES. Maximal size of possible extension queue 864. Compared 90024 event pairs, 36 based on Foata normal form. 4/6610 useless extension candidates. Maximal degree in co-relation 153243. Up to 3832 conditions per place. [2021-03-26 16:32:07,167 INFO L132 encePairwiseOnDemand]: 38/68 looper letters, 1898 selfloop transitions, 292 changer transitions 5/2200 dead transitions. [2021-03-26 16:32:07,167 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 826 places, 2200 transitions, 111638 flow [2021-03-26 16:32:07,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 16:32:07,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 16:32:07,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 287 transitions. [2021-03-26 16:32:07,168 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.26378676470588236 [2021-03-26 16:32:07,168 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 287 transitions. [2021-03-26 16:32:07,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 287 transitions. [2021-03-26 16:32:07,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:32:07,169 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 287 transitions. [2021-03-26 16:32:07,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 17.9375) internal successors, (287), 16 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:32:07,170 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 68.0) internal successors, (1156), 17 states have internal predecessors, (1156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:32:07,170 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 68.0) internal successors, (1156), 17 states have internal predecessors, (1156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:32:07,170 INFO L185 Difference]: Start difference. First operand has 811 places, 2045 transitions, 98244 flow. Second operand 16 states and 287 transitions. [2021-03-26 16:32:07,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 826 places, 2200 transitions, 111638 flow [2021-03-26 16:32:19,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 817 places, 2200 transitions, 110992 flow, removed 153 selfloop flow, removed 9 redundant places. [2021-03-26 16:32:19,872 INFO L241 Difference]: Finished difference. Result has 820 places, 2093 transitions, 100504 flow [2021-03-26 16:32:19,873 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=97715, PETRI_DIFFERENCE_MINUEND_PLACES=802, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2045, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=246, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1755, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=100504, PETRI_PLACES=820, PETRI_TRANSITIONS=2093} [2021-03-26 16:32:19,873 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 805 predicate places. [2021-03-26 16:32:19,873 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:32:19,873 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 820 places, 2093 transitions, 100504 flow [2021-03-26 16:32:19,874 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 820 places, 2093 transitions, 100504 flow [2021-03-26 16:32:19,947 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 820 places, 2093 transitions, 100504 flow [2021-03-26 16:32:24,104 INFO L129 PetriNetUnfolder]: 1417/6629 cut-off events. [2021-03-26 16:32:24,104 INFO L130 PetriNetUnfolder]: For 1560578/1560578 co-relation queries the response was YES. [2021-03-26 16:32:24,220 INFO L84 FinitePrefix]: Finished finitePrefix Result has 150641 conditions, 6629 events. 1417/6629 cut-off events. For 1560578/1560578 co-relation queries the response was YES. Maximal size of possible extension queue 870. Compared 91005 event pairs, 36 based on Foata normal form. 0/6628 useless extension candidates. Maximal degree in co-relation 148214. Up to 1733 conditions per place. [2021-03-26 16:32:24,329 INFO L142 LiptonReduction]: Number of co-enabled transitions 1020 [2021-03-26 16:32:25,563 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:32:25,563 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 16:32:25,563 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5690 [2021-03-26 16:32:25,564 INFO L480 AbstractCegarLoop]: Abstraction has has 820 places, 2093 transitions, 100511 flow [2021-03-26 16:32:25,564 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) [2021-03-26 16:32:25,564 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:32:25,564 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:32:25,764 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85,81 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:32:25,764 INFO L428 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:32:25,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:32:25,765 INFO L82 PathProgramCache]: Analyzing trace with hash 359238552, now seen corresponding path program 2 times [2021-03-26 16:32:25,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:32:25,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784918161] [2021-03-26 16:32:25,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:32:25,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:32:25,769 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:32:25,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:32:25,773 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:32:25,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:32:25,778 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:32:25,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:32:25,783 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:32:25,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:32:25,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:32:25,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:32:25,895 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:32:25,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784918161] [2021-03-26 16:32:25,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060723129] [2021-03-26 16:32:25,895 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 82 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 82 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:32:25,910 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:32:25,910 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:32:25,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 16:32:25,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:32:25,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:32:25,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:32:25,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:32:25,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:32:25,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:32:25,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:32:25,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:32:25,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:32:25,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:32:25,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:32:25,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:32:25,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:32:25,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:32:25,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:32:25,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:32:25,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:32:25,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:32:25,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:32:25,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:32:25,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:32:25,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:32:25,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:32:25,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:32:25,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:32:25,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:32:25,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:32:25,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:32:25,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:32:25,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:32:25,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:32:25,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:32:25,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:32:25,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:32:25,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:32:25,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:32:25,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:32:25,961 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-26 16:32:25,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:32:25,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:32:25,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:32:25,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:32:25,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:32:25,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:32:25,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:32:25,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:32:25,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:32:25,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:32:25,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:32:25,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:32:25,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:32:25,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:32:25,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:32:25,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:32:25,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:32:25,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:32:25,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:32:25,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:32:25,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:32:25,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:32:25,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:32:25,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:32:25,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:25,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:32:25,981 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:32:25,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:32:25,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2021-03-26 16:32:25,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562042021] [2021-03-26 16:32:25,981 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 16:32:25,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:32:25,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 16:32:25,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-03-26 16:32:25,981 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 69 [2021-03-26 16:32:25,982 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 820 places, 2093 transitions, 100511 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) [2021-03-26 16:32:25,982 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:32:25,982 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 69 [2021-03-26 16:32:25,982 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:32:34,873 INFO L129 PetriNetUnfolder]: 1413/6812 cut-off events. [2021-03-26 16:32:34,873 INFO L130 PetriNetUnfolder]: For 1644981/1644981 co-relation queries the response was YES. [2021-03-26 16:32:34,988 INFO L84 FinitePrefix]: Finished finitePrefix Result has 160601 conditions, 6812 events. 1413/6812 cut-off events. For 1644981/1644981 co-relation queries the response was YES. Maximal size of possible extension queue 895. Compared 94344 event pairs, 0 based on Foata normal form. 1/6812 useless extension candidates. Maximal degree in co-relation 157474. Up to 1937 conditions per place. [2021-03-26 16:32:35,029 INFO L132 encePairwiseOnDemand]: 34/69 looper letters, 1708 selfloop transitions, 562 changer transitions 7/2282 dead transitions. [2021-03-26 16:32:35,030 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 842 places, 2282 transitions, 116672 flow [2021-03-26 16:32:35,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-26 16:32:35,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-03-26 16:32:35,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 384 transitions. [2021-03-26 16:32:35,031 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24196597353497165 [2021-03-26 16:32:35,031 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 384 transitions. [2021-03-26 16:32:35,031 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 384 transitions. [2021-03-26 16:32:35,031 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:32:35,031 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 384 transitions. [2021-03-26 16:32:35,031 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 16.695652173913043) internal successors, (384), 23 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) [2021-03-26 16:32:35,032 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 69.0) internal successors, (1656), 24 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:32:35,032 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 69.0) internal successors, (1656), 24 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:32:35,032 INFO L185 Difference]: Start difference. First operand has 820 places, 2093 transitions, 100511 flow. Second operand 23 states and 384 transitions. [2021-03-26 16:32:35,032 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 842 places, 2282 transitions, 116672 flow [2021-03-26 16:32:48,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 833 places, 2282 transitions, 116211 flow, removed 173 selfloop flow, removed 9 redundant places. [2021-03-26 16:32:48,703 INFO L241 Difference]: Finished difference. Result has 835 places, 2128 transitions, 103577 flow [2021-03-26 16:32:48,704 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=100105, PETRI_DIFFERENCE_MINUEND_PLACES=811, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2092, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=526, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1566, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=103577, PETRI_PLACES=835, PETRI_TRANSITIONS=2128} [2021-03-26 16:32:48,705 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 820 predicate places. [2021-03-26 16:32:48,705 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:32:48,705 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 835 places, 2128 transitions, 103577 flow [2021-03-26 16:32:48,705 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 835 places, 2128 transitions, 103577 flow [2021-03-26 16:32:48,740 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 834 places, 2128 transitions, 103577 flow [2021-03-26 16:32:53,122 INFO L129 PetriNetUnfolder]: 1411/6811 cut-off events. [2021-03-26 16:32:53,122 INFO L130 PetriNetUnfolder]: For 1684304/1684304 co-relation queries the response was YES. [2021-03-26 16:32:53,236 INFO L84 FinitePrefix]: Finished finitePrefix Result has 157051 conditions, 6811 events. 1411/6811 cut-off events. For 1684304/1684304 co-relation queries the response was YES. Maximal size of possible extension queue 901. Compared 94783 event pairs, 36 based on Foata normal form. 0/6810 useless extension candidates. Maximal degree in co-relation 153564. Up to 1812 conditions per place. [2021-03-26 16:32:53,349 INFO L142 LiptonReduction]: Number of co-enabled transitions 1022 [2021-03-26 16:32:53,956 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:32:53,956 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:32:53,956 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5251 [2021-03-26 16:32:53,956 INFO L480 AbstractCegarLoop]: Abstraction has has 834 places, 2128 transitions, 103577 flow [2021-03-26 16:32:53,956 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) [2021-03-26 16:32:53,956 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:32:53,956 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:32:54,157 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86,82 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:32:54,157 INFO L428 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:32:54,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:32:54,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1470445215, now seen corresponding path program 2 times [2021-03-26 16:32:54,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:32:54,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410607769] [2021-03-26 16:32:54,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:32:54,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:32:54,172 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:32:54,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:32:54,178 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:32:54,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:32:54,186 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:32:54,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:32:54,193 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:32:54,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:32:54,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:32:54,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:32:54,199 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 16:32:54,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410607769] [2021-03-26 16:32:54,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547455596] [2021-03-26 16:32:54,201 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 83 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-26 16:32:54,234 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:32:54,234 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:32:54,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 16:32:54,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:32:54,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:32:54,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:32:54,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:32:54,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 Waiting until toolchain timeout for monitored process 83 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:32:54,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:32:54,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:32:54,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:32:54,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:32:54,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:32:54,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:32:54,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:32:54,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:32:54,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:32:54,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:32:54,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:32:54,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:32:54,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:32:54,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:32:54,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:32:54,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:32:54,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:32:54,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:32:54,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:32:54,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:32:54,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:32:54,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:32:54,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:32:54,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:32:54,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:32:54,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:32:54,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:32:54,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:32:54,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:32:54,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:32:54,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:32:54,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:32:54,298 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-26 16:32:54,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:32:54,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:32:54,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:32:54,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:32:54,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:32:54,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:32:54,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:32:54,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:32:54,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:32:54,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:32:54,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:32:54,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:32:54,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:32:54,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:32:54,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:32:54,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:32:54,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:32:54,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:32:54,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:32:54,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:32:54,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:32:54,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:32:54,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:32:54,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:32:54,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:32:54,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:32:54,327 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:32:54,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:32:54,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2021-03-26 16:32:54,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106079715] [2021-03-26 16:32:54,327 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 16:32:54,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:32:54,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 16:32:54,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-03-26 16:32:54,328 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 69 [2021-03-26 16:32:54,328 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 834 places, 2128 transitions, 103577 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) [2021-03-26 16:32:54,328 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:32:54,328 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 69 [2021-03-26 16:32:54,328 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:33:04,138 INFO L129 PetriNetUnfolder]: 1410/6896 cut-off events. [2021-03-26 16:33:04,138 INFO L130 PetriNetUnfolder]: For 1723290/1723385 co-relation queries the response was YES. [2021-03-26 16:33:04,382 INFO L84 FinitePrefix]: Finished finitePrefix Result has 164035 conditions, 6896 events. 1410/6896 cut-off events. For 1723290/1723385 co-relation queries the response was YES. Maximal size of possible extension queue 905. Compared 95859 event pairs, 1 based on Foata normal form. 23/6918 useless extension candidates. Maximal degree in co-relation 160349. Up to 2207 conditions per place. [2021-03-26 16:33:04,424 INFO L132 encePairwiseOnDemand]: 37/69 looper letters, 1798 selfloop transitions, 481 changer transitions 5/2289 dead transitions. [2021-03-26 16:33:04,424 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 854 places, 2289 transitions, 118797 flow [2021-03-26 16:33:04,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-26 16:33:04,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-26 16:33:04,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 353 transitions. [2021-03-26 16:33:04,425 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24361628709454797 [2021-03-26 16:33:04,425 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 353 transitions. [2021-03-26 16:33:04,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 353 transitions. [2021-03-26 16:33:04,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:33:04,425 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 353 transitions. [2021-03-26 16:33:04,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 16.80952380952381) internal successors, (353), 21 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) [2021-03-26 16:33:04,426 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 69.0) internal successors, (1518), 22 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:33:04,426 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 69.0) internal successors, (1518), 22 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:33:04,426 INFO L185 Difference]: Start difference. First operand has 834 places, 2128 transitions, 103577 flow. Second operand 21 states and 353 transitions. [2021-03-26 16:33:04,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 854 places, 2289 transitions, 118797 flow [2021-03-26 16:33:18,767 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 844 places, 2289 transitions, 117504 flow, removed 395 selfloop flow, removed 10 redundant places. [2021-03-26 16:33:18,839 INFO L241 Difference]: Finished difference. Result has 845 places, 2148 transitions, 105017 flow [2021-03-26 16:33:18,840 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=102595, PETRI_DIFFERENCE_MINUEND_PLACES=824, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=459, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1667, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=105017, PETRI_PLACES=845, PETRI_TRANSITIONS=2148} [2021-03-26 16:33:18,840 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 830 predicate places. [2021-03-26 16:33:18,841 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:33:18,841 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 845 places, 2148 transitions, 105017 flow [2021-03-26 16:33:18,841 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 845 places, 2148 transitions, 105017 flow [2021-03-26 16:33:18,885 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 843 places, 2148 transitions, 105017 flow [2021-03-26 16:33:23,402 INFO L129 PetriNetUnfolder]: 1410/6929 cut-off events. [2021-03-26 16:33:23,403 INFO L130 PetriNetUnfolder]: For 1696432/1696432 co-relation queries the response was YES. [2021-03-26 16:33:23,514 INFO L84 FinitePrefix]: Finished finitePrefix Result has 158612 conditions, 6929 events. 1410/6929 cut-off events. For 1696432/1696432 co-relation queries the response was YES. Maximal size of possible extension queue 914. Compared 97123 event pairs, 36 based on Foata normal form. 0/6928 useless extension candidates. Maximal degree in co-relation 155038. Up to 1823 conditions per place. [2021-03-26 16:33:23,816 INFO L142 LiptonReduction]: Number of co-enabled transitions 1036 [2021-03-26 16:33:24,295 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:33:24,295 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:33:24,295 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5455 [2021-03-26 16:33:24,296 INFO L480 AbstractCegarLoop]: Abstraction has has 843 places, 2148 transitions, 105017 flow [2021-03-26 16:33:24,296 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) [2021-03-26 16:33:24,296 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:33:24,296 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:33:24,496 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 83 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable87 [2021-03-26 16:33:24,496 INFO L428 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:33:24,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:33:24,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1937018400, now seen corresponding path program 1 times [2021-03-26 16:33:24,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:33:24,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115554211] [2021-03-26 16:33:24,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:33:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:33:24,513 INFO L142 QuantifierPusher]: treesize reduction 69, result has 28.1 percent of original size [2021-03-26 16:33:24,514 INFO L147 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size 19 [2021-03-26 16:33:24,532 INFO L142 QuantifierPusher]: treesize reduction 100, result has 41.5 percent of original size [2021-03-26 16:33:24,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-26 16:33:24,552 INFO L142 QuantifierPusher]: treesize reduction 136, result has 41.4 percent of original size [2021-03-26 16:33:24,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-03-26 16:33:24,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:33:24,587 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-26 16:33:24,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:33:24,595 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:33:24,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115554211] [2021-03-26 16:33:24,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407473968] [2021-03-26 16:33:24,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 84 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 84 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:33:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:33:24,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-26 16:33:24,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:33:24,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:33:24,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:33:24,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:33:24,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:33:24,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:33:24,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:33:24,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:33:24,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:33:24,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,627 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-03-26 16:33:24,627 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-26 16:33:24,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:33:24,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:33:24,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:33:24,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:33:24,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:33:24,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:33:24,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:33:24,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 16:33:24,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 16:33:24,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 16:33:24,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 16:33:24,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,658 INFO L147 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size 19 [2021-03-26 16:33:24,659 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-26 16:33:24,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:33:24,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:33:24,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:33:24,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:33:24,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:33:24,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:33:24,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:33:24,673 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size [2021-03-26 16:33:24,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:33:24,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:33:24,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:33:24,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:33:24,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:33:24,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:33:24,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:33:24,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2021-03-26 16:33:24,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:33:24,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 16:33:24,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:33:24,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:33:24,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 16:33:24,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:33:24,681 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-03-26 16:33:24,682 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:33:24,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 16:33:24,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:33:24,684 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-03-26 16:33:24,684 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:8 [2021-03-26 16:33:24,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:33:24,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 16:33:24,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:33:24,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:33:24,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 16:33:24,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:33:24,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:33:24,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:33:24,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:33:24,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:33:24,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:33:24,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:33:24,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:33:24,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:33:24,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:33:24,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:33:24,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:33:24,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:24,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:33:24,698 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:33:24,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:33:24,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-26 16:33:24,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217475645] [2021-03-26 16:33:24,698 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 16:33:24,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:33:24,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 16:33:24,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-03-26 16:33:24,699 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 69 [2021-03-26 16:33:24,699 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 843 places, 2148 transitions, 105017 flow. Second operand has 11 states, 11 states have (on average 12.272727272727273) internal successors, (135), 11 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:33:24,699 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:33:24,699 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 69 [2021-03-26 16:33:24,699 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:33:34,460 INFO L129 PetriNetUnfolder]: 1414/6925 cut-off events. [2021-03-26 16:33:34,460 INFO L130 PetriNetUnfolder]: For 1710303/1710398 co-relation queries the response was YES. [2021-03-26 16:33:34,571 INFO L84 FinitePrefix]: Finished finitePrefix Result has 164273 conditions, 6925 events. 1414/6925 cut-off events. For 1710303/1710398 co-relation queries the response was YES. Maximal size of possible extension queue 899. Compared 96335 event pairs, 36 based on Foata normal form. 13/6937 useless extension candidates. Maximal degree in co-relation 160606. Up to 5243 conditions per place. [2021-03-26 16:33:34,609 INFO L132 encePairwiseOnDemand]: 42/69 looper letters, 2100 selfloop transitions, 57 changer transitions 0/2161 dead transitions. [2021-03-26 16:33:34,610 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 853 places, 2161 transitions, 110278 flow [2021-03-26 16:33:34,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 16:33:34,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 16:33:34,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 183 transitions. [2021-03-26 16:33:34,611 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24110671936758893 [2021-03-26 16:33:34,611 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 183 transitions. [2021-03-26 16:33:34,611 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 183 transitions. [2021-03-26 16:33:34,611 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:33:34,611 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 183 transitions. [2021-03-26 16:33:34,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 16.636363636363637) internal successors, (183), 11 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:33:34,611 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 69.0) internal successors, (828), 12 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:33:34,611 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 69.0) internal successors, (828), 12 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:33:34,611 INFO L185 Difference]: Start difference. First operand has 843 places, 2148 transitions, 105017 flow. Second operand 11 states and 183 transitions. [2021-03-26 16:33:34,612 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 853 places, 2161 transitions, 110278 flow [2021-03-26 16:33:48,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 843 places, 2161 transitions, 109016 flow, removed 187 selfloop flow, removed 10 redundant places. [2021-03-26 16:33:48,862 INFO L241 Difference]: Finished difference. Result has 845 places, 2156 transitions, 104521 flow [2021-03-26 16:33:48,863 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=103824, PETRI_DIFFERENCE_MINUEND_PLACES=833, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2092, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=104521, PETRI_PLACES=845, PETRI_TRANSITIONS=2156} [2021-03-26 16:33:48,863 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 830 predicate places. [2021-03-26 16:33:48,863 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:33:48,863 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 845 places, 2156 transitions, 104521 flow [2021-03-26 16:33:48,863 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 845 places, 2156 transitions, 104521 flow [2021-03-26 16:33:48,898 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 845 places, 2156 transitions, 104521 flow [2021-03-26 16:33:53,084 INFO L129 PetriNetUnfolder]: 1414/6939 cut-off events. [2021-03-26 16:33:53,084 INFO L130 PetriNetUnfolder]: For 1661479/1661479 co-relation queries the response was YES. [2021-03-26 16:33:53,346 INFO L84 FinitePrefix]: Finished finitePrefix Result has 158325 conditions, 6939 events. 1414/6939 cut-off events. For 1661479/1661479 co-relation queries the response was YES. Maximal size of possible extension queue 908. Compared 97239 event pairs, 36 based on Foata normal form. 0/6938 useless extension candidates. Maximal degree in co-relation 155642. Up to 1827 conditions per place. [2021-03-26 16:33:53,452 INFO L142 LiptonReduction]: Number of co-enabled transitions 1042 [2021-03-26 16:33:54,007 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:33:54,007 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:33:54,008 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5145 [2021-03-26 16:33:54,008 INFO L480 AbstractCegarLoop]: Abstraction has has 845 places, 2156 transitions, 104521 flow [2021-03-26 16:33:54,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 12.272727272727273) internal successors, (135), 11 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:33:54,008 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:33:54,008 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:33:54,211 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88,84 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:33:54,212 INFO L428 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:33:54,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:33:54,212 INFO L82 PathProgramCache]: Analyzing trace with hash -993266937, now seen corresponding path program 1 times [2021-03-26 16:33:54,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:33:54,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764960430] [2021-03-26 16:33:54,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:33:54,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:33:54,217 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:33:54,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:33:54,222 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:33:54,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:33:54,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:33:54,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:33:54,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:33:54,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:33:54,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:33:54,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:33:54,256 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:33:54,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764960430] [2021-03-26 16:33:54,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1093477045] [2021-03-26 16:33:54,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 85 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 85 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:33:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:33:54,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-26 16:33:54,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:33:54,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:33:54,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:33:54,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:33:54,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:33:54,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:33:54,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:33:54,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:33:54,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:33:54,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:33:54,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:33:54,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:33:54,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:33:54,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:33:54,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:33:54,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:33:54,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:33:54,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:33:54,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:33:54,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:33:54,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:33:54,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:33:54,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:33:54,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:33:54,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:33:54,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:33:54,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:33:54,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:33:54,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:33:54,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:33:54,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:33:54,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:33:54,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:33:54,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:33:54,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:33:54,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:33:54,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:33:54,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:33:54,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:33:54,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:33:54,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:33:54,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:33:54,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:33:54,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:33:54,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:33:54,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:33:54,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:33:54,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:33:54,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:33:54,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:33:54,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:33:54,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:33:54,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:33:54,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:33:54,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:33:54,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:33:54,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:33:54,357 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 16:33:54,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:33:54,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:33:54,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:33:54,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:33:54,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:33:54,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:33:54,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:33:54,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:33:54,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:33:54,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:33:54,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:33:54,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:33:54,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:33:54,364 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:33:54,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:33:54,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2021-03-26 16:33:54,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762420562] [2021-03-26 16:33:54,364 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-26 16:33:54,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:33:54,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-26 16:33:54,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-03-26 16:33:54,365 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 69 [2021-03-26 16:33:54,365 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 845 places, 2156 transitions, 104521 flow. Second operand has 15 states, 15 states have (on average 14.066666666666666) internal successors, (211), 15 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:33:54,365 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:33:54,365 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 69 [2021-03-26 16:33:54,365 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:34:03,404 INFO L129 PetriNetUnfolder]: 1561/7348 cut-off events. [2021-03-26 16:34:03,404 INFO L130 PetriNetUnfolder]: For 1817002/1817010 co-relation queries the response was YES. [2021-03-26 16:34:03,522 INFO L84 FinitePrefix]: Finished finitePrefix Result has 173447 conditions, 7348 events. 1561/7348 cut-off events. For 1817002/1817010 co-relation queries the response was YES. Maximal size of possible extension queue 951. Compared 102019 event pairs, 36 based on Foata normal form. 61/7408 useless extension candidates. Maximal degree in co-relation 170715. Up to 4340 conditions per place. [2021-03-26 16:34:03,564 INFO L132 encePairwiseOnDemand]: 46/69 looper letters, 2097 selfloop transitions, 391 changer transitions 0/2493 dead transitions. [2021-03-26 16:34:03,564 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 859 places, 2493 transitions, 127726 flow [2021-03-26 16:34:03,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 16:34:03,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 16:34:03,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 268 transitions. [2021-03-26 16:34:03,565 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2589371980676328 [2021-03-26 16:34:03,565 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 268 transitions. [2021-03-26 16:34:03,565 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 268 transitions. [2021-03-26 16:34:03,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:34:03,566 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 268 transitions. [2021-03-26 16:34:03,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 17.866666666666667) internal successors, (268), 15 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:34:03,566 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 69.0) internal successors, (1104), 16 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:34:03,566 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 69.0) internal successors, (1104), 16 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:34:03,566 INFO L185 Difference]: Start difference. First operand has 845 places, 2156 transitions, 104521 flow. Second operand 15 states and 268 transitions. [2021-03-26 16:34:03,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 859 places, 2493 transitions, 127726 flow [2021-03-26 16:34:17,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 852 places, 2493 transitions, 127360 flow, removed 148 selfloop flow, removed 7 redundant places. [2021-03-26 16:34:17,806 INFO L241 Difference]: Finished difference. Result has 855 places, 2348 transitions, 116173 flow [2021-03-26 16:34:17,807 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=104086, PETRI_DIFFERENCE_MINUEND_PLACES=838, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=207, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1817, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=116173, PETRI_PLACES=855, PETRI_TRANSITIONS=2348} [2021-03-26 16:34:17,807 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 840 predicate places. [2021-03-26 16:34:17,807 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:34:17,807 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 855 places, 2348 transitions, 116173 flow [2021-03-26 16:34:17,807 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 855 places, 2348 transitions, 116173 flow [2021-03-26 16:34:17,845 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 855 places, 2348 transitions, 116173 flow [2021-03-26 16:34:22,868 INFO L129 PetriNetUnfolder]: 1561/7364 cut-off events. [2021-03-26 16:34:22,868 INFO L130 PetriNetUnfolder]: For 1755346/1755346 co-relation queries the response was YES. [2021-03-26 16:34:22,997 INFO L84 FinitePrefix]: Finished finitePrefix Result has 169695 conditions, 7364 events. 1561/7364 cut-off events. For 1755346/1755346 co-relation queries the response was YES. Maximal size of possible extension queue 962. Compared 102990 event pairs, 36 based on Foata normal form. 0/7363 useless extension candidates. Maximal degree in co-relation 167105. Up to 1977 conditions per place. [2021-03-26 16:34:23,237 INFO L142 LiptonReduction]: Number of co-enabled transitions 1282 [2021-03-26 16:34:23,793 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:34:23,793 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:34:23,793 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5986 [2021-03-26 16:34:23,793 INFO L480 AbstractCegarLoop]: Abstraction has has 855 places, 2348 transitions, 116173 flow [2021-03-26 16:34:23,793 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 14.066666666666666) internal successors, (211), 15 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:34:23,793 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:34:23,793 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:34:23,994 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 85 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable89 [2021-03-26 16:34:23,994 INFO L428 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:34:23,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:34:23,994 INFO L82 PathProgramCache]: Analyzing trace with hash -597630844, now seen corresponding path program 2 times [2021-03-26 16:34:23,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:34:23,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713711914] [2021-03-26 16:34:23,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:34:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:34:23,998 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:34:23,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:34:24,003 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:34:24,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:34:24,007 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:34:24,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:34:24,008 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:34:24,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:34:24,014 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:34:24,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:34:24,014 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:34:24,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:34:24,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:34:24,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:34:24,024 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 16:34:24,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713711914] [2021-03-26 16:34:24,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086276254] [2021-03-26 16:34:24,024 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 86 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 86 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:34:24,046 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:34:24,046 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:34:24,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-26 16:34:24,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:34:24,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:34:24,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:34:24,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:34:24,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:34:24,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:34:24,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:34:24,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:34:24,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:34:24,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:34:24,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:34:24,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:34:24,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:34:24,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:34:24,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:34:24,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:34:24,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:34:24,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:34:24,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:34:24,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:34:24,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:34:24,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:34:24,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:34:24,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:34:24,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:34:24,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:34:24,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:34:24,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:34:24,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:34:24,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:34:24,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:34:24,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:34:24,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:34:24,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:34:24,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:34:24,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:34:24,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:34:24,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:34:24,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:34:24,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:34:24,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:34:24,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:34:24,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:34:24,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:34:24,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:34:24,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:34:24,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:34:24,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:34:24,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:34:24,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:34:24,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:34:24,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:34:24,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:34:24,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:34:24,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:34:24,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:34:24,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:34:24,132 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 16:34:24,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:34:24,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:34:24,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:34:24,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:34:24,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:34:24,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:34:24,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:34:24,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:34:24,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:34:24,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:34:24,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:34:24,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:34:24,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:34:24,137 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:34:24,137 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:34:24,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2021-03-26 16:34:24,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448445718] [2021-03-26 16:34:24,138 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 16:34:24,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:34:24,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 16:34:24,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-03-26 16:34:24,138 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 69 [2021-03-26 16:34:24,138 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 855 places, 2348 transitions, 116173 flow. Second operand has 13 states, 13 states have (on average 14.23076923076923) internal successors, (185), 13 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:34:24,138 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:34:24,138 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 69 [2021-03-26 16:34:24,138 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:34:36,425 INFO L129 PetriNetUnfolder]: 1776/8483 cut-off events. [2021-03-26 16:34:36,425 INFO L130 PetriNetUnfolder]: For 2178363/2178381 co-relation queries the response was YES. [2021-03-26 16:34:36,578 INFO L84 FinitePrefix]: Finished finitePrefix Result has 205596 conditions, 8483 events. 1776/8483 cut-off events. For 2178363/2178381 co-relation queries the response was YES. Maximal size of possible extension queue 1125. Compared 121119 event pairs, 57 based on Foata normal form. 42/8524 useless extension candidates. Maximal degree in co-relation 202956. Up to 3416 conditions per place. [2021-03-26 16:34:36,632 INFO L132 encePairwiseOnDemand]: 34/69 looper letters, 1991 selfloop transitions, 800 changer transitions 8/2804 dead transitions. [2021-03-26 16:34:36,633 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 877 places, 2804 transitions, 148034 flow [2021-03-26 16:34:36,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-26 16:34:36,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-03-26 16:34:36,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 401 transitions. [2021-03-26 16:34:36,634 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2526780088216761 [2021-03-26 16:34:36,634 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 401 transitions. [2021-03-26 16:34:36,634 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 401 transitions. [2021-03-26 16:34:36,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:34:36,634 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 401 transitions. [2021-03-26 16:34:36,634 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 17.434782608695652) internal successors, (401), 23 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) [2021-03-26 16:34:36,635 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 69.0) internal successors, (1656), 24 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:34:36,635 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 69.0) internal successors, (1656), 24 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:34:36,635 INFO L185 Difference]: Start difference. First operand has 855 places, 2348 transitions, 116173 flow. Second operand 23 states and 401 transitions. [2021-03-26 16:34:36,635 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 877 places, 2804 transitions, 148034 flow [2021-03-26 16:34:54,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 871 places, 2804 transitions, 146492 flow, removed 749 selfloop flow, removed 6 redundant places. [2021-03-26 16:34:54,944 INFO L241 Difference]: Finished difference. Result has 881 places, 2529 transitions, 126306 flow [2021-03-26 16:34:54,945 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=114524, PETRI_DIFFERENCE_MINUEND_PLACES=849, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2346, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=640, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1643, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=126306, PETRI_PLACES=881, PETRI_TRANSITIONS=2529} [2021-03-26 16:34:54,945 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 866 predicate places. [2021-03-26 16:34:54,946 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:34:54,946 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 881 places, 2529 transitions, 126306 flow [2021-03-26 16:34:54,946 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 881 places, 2529 transitions, 126306 flow [2021-03-26 16:34:54,987 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 881 places, 2529 transitions, 126306 flow [2021-03-26 16:35:01,349 INFO L129 PetriNetUnfolder]: 1776/8516 cut-off events. [2021-03-26 16:35:01,349 INFO L130 PetriNetUnfolder]: For 2212920/2212920 co-relation queries the response was YES. [2021-03-26 16:35:01,500 INFO L84 FinitePrefix]: Finished finitePrefix Result has 202738 conditions, 8516 events. 1776/8516 cut-off events. For 2212920/2212920 co-relation queries the response was YES. Maximal size of possible extension queue 1126. Compared 122390 event pairs, 57 based on Foata normal form. 0/8515 useless extension candidates. Maximal degree in co-relation 200103. Up to 2316 conditions per place. [2021-03-26 16:35:01,643 INFO L142 LiptonReduction]: Number of co-enabled transitions 1310 [2021-03-26 16:35:03,397 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:35:03,397 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 16:35:03,397 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8451 [2021-03-26 16:35:03,398 INFO L480 AbstractCegarLoop]: Abstraction has has 881 places, 2529 transitions, 126376 flow [2021-03-26 16:35:03,398 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 14.23076923076923) internal successors, (185), 13 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:35:03,398 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:35:03,398 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:35:03,598 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,86 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:35:03,598 INFO L428 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:35:03,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:35:03,599 INFO L82 PathProgramCache]: Analyzing trace with hash -1694331515, now seen corresponding path program 2 times [2021-03-26 16:35:03,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:35:03,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96570336] [2021-03-26 16:35:03,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:35:03,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:35:03,611 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:35:03,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:35:03,617 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:35:03,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:35:03,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:35:03,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:35:03,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:35:03,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:35:03,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:35:03,640 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:35:03,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96570336] [2021-03-26 16:35:03,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879253439] [2021-03-26 16:35:03,641 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 87 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 87 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:35:03,655 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:35:03,655 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:35:03,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-26 16:35:03,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:35:03,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:35:03,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:35:03,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:35:03,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:35:03,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:35:03,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:35:03,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:35:03,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:35:03,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:35:03,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:35:03,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:35:03,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:35:03,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:35:03,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:35:03,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:35:03,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:35:03,682 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-26 16:35:03,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:35:03,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:35:03,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:35:03,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:35:03,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:35:03,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:35:03,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:35:03,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:35:03,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:35:03,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:35:03,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:35:03,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:35:03,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:35:03,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:35:03,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:35:03,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:35:03,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:35:03,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:35:03,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:35:03,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:35:03,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:35:03,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:35:03,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:35:03,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:35:03,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:35:03,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:35:03,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:35:03,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:35:03,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:35:03,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:35:03,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:35:03,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:35:03,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:35:03,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:35:03,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:35:03,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:35:03,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:35:03,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:35:03,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:35:03,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:35:03,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:35:03,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:35:03,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:35:03,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:35:03,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:35:03,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:35:03,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:35:03,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:35:03,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:35:03,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:35:03,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:35:03,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:35:03,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:03,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:35:03,750 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:35:03,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:35:03,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-03-26 16:35:03,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971803790] [2021-03-26 16:35:03,750 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 16:35:03,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:35:03,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 16:35:03,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2021-03-26 16:35:03,751 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 71 [2021-03-26 16:35:03,751 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 881 places, 2529 transitions, 126376 flow. Second operand has 14 states, 14 states have (on average 14.071428571428571) internal successors, (197), 14 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:35:03,751 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:35:03,751 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 71 [2021-03-26 16:35:03,751 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:35:18,476 INFO L129 PetriNetUnfolder]: 1779/8556 cut-off events. [2021-03-26 16:35:18,477 INFO L130 PetriNetUnfolder]: For 2255680/2255680 co-relation queries the response was YES. [2021-03-26 16:35:18,633 INFO L84 FinitePrefix]: Finished finitePrefix Result has 211100 conditions, 8556 events. 1779/8556 cut-off events. For 2255680/2255680 co-relation queries the response was YES. Maximal size of possible extension queue 1149. Compared 122665 event pairs, 1 based on Foata normal form. 1/8556 useless extension candidates. Maximal degree in co-relation 208415. Up to 2939 conditions per place. [2021-03-26 16:35:18,687 INFO L132 encePairwiseOnDemand]: 44/71 looper letters, 2183 selfloop transitions, 408 changer transitions 12/2608 dead transitions. [2021-03-26 16:35:18,688 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 898 places, 2608 transitions, 138110 flow [2021-03-26 16:35:18,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 16:35:18,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 16:35:18,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 307 transitions. [2021-03-26 16:35:18,689 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24021909233176839 [2021-03-26 16:35:18,689 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 307 transitions. [2021-03-26 16:35:18,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 307 transitions. [2021-03-26 16:35:18,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:35:18,689 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 307 transitions. [2021-03-26 16:35:18,689 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 17.055555555555557) internal successors, (307), 18 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:35:18,690 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 71.0) internal successors, (1349), 19 states have internal predecessors, (1349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:35:18,690 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 71.0) internal successors, (1349), 19 states have internal predecessors, (1349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:35:18,690 INFO L185 Difference]: Start difference. First operand has 881 places, 2529 transitions, 126376 flow. Second operand 18 states and 307 transitions. [2021-03-26 16:35:18,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 898 places, 2608 transitions, 138110 flow [2021-03-26 16:35:38,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 890 places, 2608 transitions, 136710 flow, removed 665 selfloop flow, removed 8 redundant places. [2021-03-26 16:35:38,611 INFO L241 Difference]: Finished difference. Result has 893 places, 2542 transitions, 127577 flow [2021-03-26 16:35:38,613 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=71, PETRI_DIFFERENCE_MINUEND_FLOW=124975, PETRI_DIFFERENCE_MINUEND_PLACES=873, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2528, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=390, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=127577, PETRI_PLACES=893, PETRI_TRANSITIONS=2542} [2021-03-26 16:35:38,613 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 878 predicate places. [2021-03-26 16:35:38,613 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:35:38,613 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 893 places, 2542 transitions, 127577 flow [2021-03-26 16:35:38,613 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 893 places, 2542 transitions, 127577 flow [2021-03-26 16:35:38,657 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 889 places, 2542 transitions, 127577 flow [2021-03-26 16:35:45,889 INFO L129 PetriNetUnfolder]: 1776/8595 cut-off events. [2021-03-26 16:35:45,889 INFO L130 PetriNetUnfolder]: For 2323092/2323092 co-relation queries the response was YES. [2021-03-26 16:35:46,051 INFO L84 FinitePrefix]: Finished finitePrefix Result has 206225 conditions, 8595 events. 1776/8595 cut-off events. For 2323092/2323092 co-relation queries the response was YES. Maximal size of possible extension queue 1150. Compared 124199 event pairs, 52 based on Foata normal form. 0/8594 useless extension candidates. Maximal degree in co-relation 203555. Up to 2339 conditions per place. [2021-03-26 16:35:46,344 INFO L142 LiptonReduction]: Number of co-enabled transitions 1306 [2021-03-26 16:35:48,102 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:35:48,102 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 16:35:48,103 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9490 [2021-03-26 16:35:48,103 INFO L480 AbstractCegarLoop]: Abstraction has has 889 places, 2542 transitions, 127580 flow [2021-03-26 16:35:48,103 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 14.071428571428571) internal successors, (197), 14 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:35:48,103 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:35:48,103 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:35:48,312 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91,87 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:35:48,312 INFO L428 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:35:48,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:35:48,312 INFO L82 PathProgramCache]: Analyzing trace with hash -975191440, now seen corresponding path program 1 times [2021-03-26 16:35:48,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:35:48,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284343485] [2021-03-26 16:35:48,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:35:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:35:48,326 INFO L142 QuantifierPusher]: treesize reduction 47, result has 30.9 percent of original size [2021-03-26 16:35:48,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:35:48,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 16:35:48,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:35:48,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:35:48,365 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 16:35:48,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:35:48,374 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:35:48,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284343485] [2021-03-26 16:35:48,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958127169] [2021-03-26 16:35:48,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 88 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 88 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:35:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:35:48,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-26 16:35:48,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:35:48,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:35:48,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:35:48,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:35:48,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:35:48,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:35:48,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:35:48,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:35:48,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:35:48,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:35:48,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:35:48,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:35:48,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:35:48,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:35:48,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:35:48,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:35:48,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:35:48,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:35:48,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:35:48,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:35:48,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:35:48,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,434 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.3 percent of original size 30 [2021-03-26 16:35:48,434 INFO L142 QuantifierPusher]: treesize reduction 6, result has 83.3 percent of original size [2021-03-26 16:35:48,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 16:35:48,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 16:35:48,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 16:35:48,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,447 INFO L147 QuantifierPusher]: treesize reduction 9, result has 79.5 percent of original size 35 [2021-03-26 16:35:48,448 INFO L142 QuantifierPusher]: treesize reduction 9, result has 79.5 percent of original size [2021-03-26 16:35:48,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:35:48,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:35:48,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:35:48,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:35:48,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:35:48,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:35:48,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:35:48,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:35:48,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:35:48,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:35:48,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-03-26 16:35:48,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:35:48,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:35:48,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:35:48,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:35:48,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:35:48,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:35:48,470 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-03-26 16:35:48,471 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:35:48,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:35:48,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:35:48,473 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-03-26 16:35:48,473 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:10 [2021-03-26 16:35:48,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:35:48,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:35:48,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:35:48,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:35:48,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:35:48,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:35:48,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:35:48,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:35:48,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:35:48,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:35:48,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:35:48,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:35:48,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:35:48,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:35:48,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:35:48,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:35:48,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:35:48,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:35:48,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:35:48,487 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:35:48,487 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:35:48,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-26 16:35:48,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371838417] [2021-03-26 16:35:48,488 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 16:35:48,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:35:48,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 16:35:48,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-03-26 16:35:48,488 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 72 [2021-03-26 16:35:48,488 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 889 places, 2542 transitions, 127580 flow. Second operand has 11 states, 11 states have (on average 12.272727272727273) internal successors, (135), 11 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:35:48,488 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:35:48,488 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 72 [2021-03-26 16:35:48,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:36:05,653 INFO L129 PetriNetUnfolder]: 1776/8574 cut-off events. [2021-03-26 16:36:05,653 INFO L130 PetriNetUnfolder]: For 2335236/2335245 co-relation queries the response was YES. [2021-03-26 16:36:05,810 INFO L84 FinitePrefix]: Finished finitePrefix Result has 212820 conditions, 8574 events. 1776/8574 cut-off events. For 2335236/2335245 co-relation queries the response was YES. Maximal size of possible extension queue 1149. Compared 123016 event pairs, 52 based on Foata normal form. 10/8583 useless extension candidates. Maximal degree in co-relation 210089. Up to 6506 conditions per place. [2021-03-26 16:36:05,864 INFO L132 encePairwiseOnDemand]: 50/72 looper letters, 2509 selfloop transitions, 31 changer transitions 1/2545 dead transitions. [2021-03-26 16:36:05,864 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 897 places, 2545 transitions, 132860 flow [2021-03-26 16:36:05,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 16:36:05,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 16:36:05,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 156 transitions. [2021-03-26 16:36:05,865 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24074074074074073 [2021-03-26 16:36:05,865 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 156 transitions. [2021-03-26 16:36:05,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 156 transitions. [2021-03-26 16:36:05,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:36:05,865 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 156 transitions. [2021-03-26 16:36:05,866 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 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) [2021-03-26 16:36:05,866 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 72.0) internal successors, (720), 10 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:05,866 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 72.0) internal successors, (720), 10 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:05,866 INFO L185 Difference]: Start difference. First operand has 889 places, 2542 transitions, 127580 flow. Second operand 9 states and 156 transitions. [2021-03-26 16:36:05,866 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 897 places, 2545 transitions, 132860 flow [2021-03-26 16:36:25,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 891 places, 2545 transitions, 132135 flow, removed 328 selfloop flow, removed 6 redundant places. [2021-03-26 16:36:25,889 INFO L241 Difference]: Finished difference. Result has 892 places, 2543 transitions, 126979 flow [2021-03-26 16:36:25,890 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=126857, PETRI_DIFFERENCE_MINUEND_PLACES=883, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2542, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2511, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=126979, PETRI_PLACES=892, PETRI_TRANSITIONS=2543} [2021-03-26 16:36:25,890 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 877 predicate places. [2021-03-26 16:36:25,890 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:36:25,890 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 892 places, 2543 transitions, 126979 flow [2021-03-26 16:36:25,890 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 892 places, 2543 transitions, 126979 flow [2021-03-26 16:36:25,932 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 892 places, 2543 transitions, 126979 flow [2021-03-26 16:36:32,283 INFO L129 PetriNetUnfolder]: 1776/8601 cut-off events. [2021-03-26 16:36:32,283 INFO L130 PetriNetUnfolder]: For 2309216/2309217 co-relation queries the response was YES. [2021-03-26 16:36:32,438 INFO L84 FinitePrefix]: Finished finitePrefix Result has 206539 conditions, 8601 events. 1776/8601 cut-off events. For 2309216/2309217 co-relation queries the response was YES. Maximal size of possible extension queue 1150. Compared 124265 event pairs, 52 based on Foata normal form. 0/8600 useless extension candidates. Maximal degree in co-relation 204033. Up to 2340 conditions per place. [2021-03-26 16:36:32,586 INFO L142 LiptonReduction]: Number of co-enabled transitions 1306 [2021-03-26 16:36:33,480 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 21 [2021-03-26 16:36:35,664 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:36:35,665 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 16:36:35,665 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9775 [2021-03-26 16:36:35,665 INFO L480 AbstractCegarLoop]: Abstraction has has 890 places, 2541 transitions, 126919 flow [2021-03-26 16:36:35,665 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 12.272727272727273) internal successors, (135), 11 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:35,665 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:36:35,665 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:36:35,865 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,88 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:35,866 INFO L428 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:36:35,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:36:35,866 INFO L82 PathProgramCache]: Analyzing trace with hash -1992292523, now seen corresponding path program 1 times [2021-03-26 16:36:35,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:36:35,866 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150913123] [2021-03-26 16:36:35,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:36:35,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:35,870 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:36:35,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:36:35,874 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:36:35,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:35,879 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:36:35,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:35,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:36:35,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:35,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:36:35,893 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:35,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150913123] [2021-03-26 16:36:35,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387312241] [2021-03-26 16:36:35,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 89 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 89 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:35,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:35,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 16:36:35,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:36:35,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:36:35,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:36:35,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:36:35,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:36:35,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:36:35,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:36:35,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:36:35,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:36:35,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:36:35,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:36:35,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:36:35,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:36:35,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:35,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:35,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:36:35,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:35,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:35,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:36:35,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:36:35,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:36:35,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:35,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:35,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:36:35,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:35,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:35,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:36:35,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:36:35,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:36:35,951 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-26 16:36:35,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:35,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:35,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:36:35,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:36:35,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:36:35,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:36:35,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:36:35,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:36:35,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:36:35,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:36:35,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:35,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:35,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:36:35,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:35,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:35,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:36:35,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:36:35,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:36:35,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:35,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:36:35,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:36:35,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:35,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:35,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:36:35,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:36:35,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:35,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:36:35,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:36:35,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:36:35,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:36:35,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:36:35,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:36:35,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:36:35,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:36:35,984 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:35,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:36:35,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-03-26 16:36:35,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376259379] [2021-03-26 16:36:35,985 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 16:36:35,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:36:35,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 16:36:35,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-03-26 16:36:35,985 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 75 [2021-03-26 16:36:35,985 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 890 places, 2541 transitions, 126919 flow. Second operand has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 12 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:35,985 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:36:35,985 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 75 [2021-03-26 16:36:35,985 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:36:53,000 INFO L129 PetriNetUnfolder]: 1872/9034 cut-off events. [2021-03-26 16:36:53,001 INFO L130 PetriNetUnfolder]: For 2516821/2516976 co-relation queries the response was YES. [2021-03-26 16:36:53,154 INFO L84 FinitePrefix]: Finished finitePrefix Result has 225534 conditions, 9034 events. 1872/9034 cut-off events. For 2516821/2516976 co-relation queries the response was YES. Maximal size of possible extension queue 1204. Compared 130651 event pairs, 0 based on Foata normal form. 61/9094 useless extension candidates. Maximal degree in co-relation 222977. Up to 2477 conditions per place. [2021-03-26 16:36:53,207 INFO L132 encePairwiseOnDemand]: 38/75 looper letters, 2018 selfloop transitions, 832 changer transitions 10/2865 dead transitions. [2021-03-26 16:36:53,207 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 914 places, 2865 transitions, 153112 flow [2021-03-26 16:36:53,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-26 16:36:53,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-03-26 16:36:53,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 425 transitions. [2021-03-26 16:36:53,209 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22666666666666666 [2021-03-26 16:36:53,209 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 425 transitions. [2021-03-26 16:36:53,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 425 transitions. [2021-03-26 16:36:53,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:36:53,209 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 425 transitions. [2021-03-26 16:36:53,209 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 17.0) internal successors, (425), 25 states have internal predecessors, (425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:53,210 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 75.0) internal successors, (1950), 26 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:53,210 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 75.0) internal successors, (1950), 26 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:53,210 INFO L185 Difference]: Start difference. First operand has 890 places, 2541 transitions, 126919 flow. Second operand 25 states and 425 transitions. [2021-03-26 16:36:53,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 914 places, 2865 transitions, 153112 flow [2021-03-26 16:37:13,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 909 places, 2865 transitions, 152991 flow, removed 35 selfloop flow, removed 5 redundant places. [2021-03-26 16:37:13,798 INFO L241 Difference]: Finished difference. Result has 920 places, 2662 transitions, 137028 flow [2021-03-26 16:37:13,799 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=126710, PETRI_DIFFERENCE_MINUEND_PLACES=885, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2539, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=710, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1765, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=137028, PETRI_PLACES=920, PETRI_TRANSITIONS=2662} [2021-03-26 16:37:13,799 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 905 predicate places. [2021-03-26 16:37:13,799 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:37:13,799 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 920 places, 2662 transitions, 137028 flow [2021-03-26 16:37:13,799 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 920 places, 2662 transitions, 137028 flow [2021-03-26 16:37:13,848 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 918 places, 2662 transitions, 137028 flow [2021-03-26 16:37:21,256 INFO L129 PetriNetUnfolder]: 1872/9075 cut-off events. [2021-03-26 16:37:21,256 INFO L130 PetriNetUnfolder]: For 2658852/2658852 co-relation queries the response was YES. [2021-03-26 16:37:21,601 INFO L84 FinitePrefix]: Finished finitePrefix Result has 224271 conditions, 9075 events. 1872/9075 cut-off events. For 2658852/2658852 co-relation queries the response was YES. Maximal size of possible extension queue 1201. Compared 132298 event pairs, 59 based on Foata normal form. 0/9074 useless extension candidates. Maximal degree in co-relation 222890. Up to 2475 conditions per place. [2021-03-26 16:37:21,753 INFO L142 LiptonReduction]: Number of co-enabled transitions 1356 [2021-03-26 16:37:22,591 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:37:22,591 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:37:22,591 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8792 [2021-03-26 16:37:22,592 INFO L480 AbstractCegarLoop]: Abstraction has has 918 places, 2662 transitions, 137028 flow [2021-03-26 16:37:22,592 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 12 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:22,592 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:37:22,592 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:37:22,792 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93,89 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:37:22,792 INFO L428 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:37:22,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:37:22,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1782321960, now seen corresponding path program 1 times [2021-03-26 16:37:22,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:37:22,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397303188] [2021-03-26 16:37:22,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:37:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:37:22,797 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:37:22,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:37:22,802 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 16:37:22,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:37:22,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:37:22,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:22,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:37:22,817 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:37:22,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397303188] [2021-03-26 16:37:22,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658074356] [2021-03-26 16:37:22,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 90 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 90 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:37:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:37:22,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 16:37:22,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:37:22,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:37:22,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:37:22,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:37:22,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:37:22,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:37:22,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:37:22,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:37:22,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:37:22,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:37:22,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:37:22,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:37:22,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:37:22,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:22,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:37:22,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:37:22,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:22,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:37:22,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:37:22,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:37:22,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:37:22,879 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-26 16:37:22,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:22,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:22,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:37:22,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:22,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:37:22,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:37:22,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:22,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:37:22,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:37:22,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:22,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:37:22,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 16:37:22,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:37:22,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:37:22,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:22,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:37:22,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:37:22,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:22,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:22,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:37:22,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:37:22,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:22,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:37:22,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:37:22,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:37:22,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:37:22,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:37:22,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:37:22,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:37:22,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:37:22,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:37:22,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:37:22,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:22,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:37:22,910 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:37:22,910 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:37:22,910 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-26 16:37:22,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115328524] [2021-03-26 16:37:22,910 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 16:37:22,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:37:22,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 16:37:22,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-03-26 16:37:22,910 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 75 [2021-03-26 16:37:22,911 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 918 places, 2662 transitions, 137028 flow. Second operand has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:22,911 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:37:22,911 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 75 [2021-03-26 16:37:22,911 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:37:38,330 INFO L129 PetriNetUnfolder]: 1893/9339 cut-off events. [2021-03-26 16:37:38,330 INFO L130 PetriNetUnfolder]: For 2803872/2803908 co-relation queries the response was YES. [2021-03-26 16:37:38,515 INFO L84 FinitePrefix]: Finished finitePrefix Result has 238045 conditions, 9339 events. 1893/9339 cut-off events. For 2803872/2803908 co-relation queries the response was YES. Maximal size of possible extension queue 1244. Compared 136758 event pairs, 0 based on Foata normal form. 1/9339 useless extension candidates. Maximal degree in co-relation 236634. Up to 2781 conditions per place. [2021-03-26 16:37:38,577 INFO L132 encePairwiseOnDemand]: 48/75 looper letters, 2333 selfloop transitions, 455 changer transitions 5/2798 dead transitions. [2021-03-26 16:37:38,577 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 932 places, 2798 transitions, 152993 flow [2021-03-26 16:37:38,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 16:37:38,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 16:37:38,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 262 transitions. [2021-03-26 16:37:38,578 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2328888888888889 [2021-03-26 16:37:38,578 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 262 transitions. [2021-03-26 16:37:38,578 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 262 transitions. [2021-03-26 16:37:38,578 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:37:38,578 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 262 transitions. [2021-03-26 16:37:38,579 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 17.466666666666665) internal successors, (262), 15 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:38,579 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 75.0) internal successors, (1200), 16 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:38,579 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 75.0) internal successors, (1200), 16 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:38,579 INFO L185 Difference]: Start difference. First operand has 918 places, 2662 transitions, 137028 flow. Second operand 15 states and 262 transitions. [2021-03-26 16:37:38,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 932 places, 2798 transitions, 152993 flow [2021-03-26 16:38:04,402 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 924 places, 2798 transitions, 151417 flow, removed 752 selfloop flow, removed 8 redundant places. [2021-03-26 16:38:04,486 INFO L241 Difference]: Finished difference. Result has 926 places, 2685 transitions, 138945 flow [2021-03-26 16:38:04,487 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=135629, PETRI_DIFFERENCE_MINUEND_PLACES=910, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2661, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=430, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=138945, PETRI_PLACES=926, PETRI_TRANSITIONS=2685} [2021-03-26 16:38:04,487 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 911 predicate places. [2021-03-26 16:38:04,487 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:38:04,488 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 926 places, 2685 transitions, 138945 flow [2021-03-26 16:38:04,488 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 926 places, 2685 transitions, 138945 flow [2021-03-26 16:38:04,583 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 925 places, 2685 transitions, 138945 flow Received shutdown request... [2021-03-26 16:38:08,211 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94,90 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:38:08,211 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-26 16:38:08,213 WARN L224 ceAbstractionStarter]: Timeout [2021-03-26 16:38:08,214 INFO L202 PluginConnector]: Adding new model counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 04:38:08 BasicIcfg [2021-03-26 16:38:08,214 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 16:38:08,214 INFO L168 Benchmark]: Toolchain (without parser) took 835513.09 ms. Allocated memory was 255.9 MB in the beginning and 9.5 GB in the end (delta: 9.3 GB). Free memory was 236.6 MB in the beginning and 4.9 GB in the end (delta: -4.7 GB). Peak memory consumption was 4.6 GB. Max. memory is 16.0 GB. [2021-03-26 16:38:08,214 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.51 ms. Allocated memory is still 255.9 MB. Free memory is still 237.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 16:38:08,214 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.44 ms. Allocated memory is still 255.9 MB. Free memory was 236.5 MB in the beginning and 235.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 16:38:08,214 INFO L168 Benchmark]: Boogie Preprocessor took 14.40 ms. Allocated memory is still 255.9 MB. Free memory was 235.1 MB in the beginning and 234.2 MB in the end (delta: 911.0 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 16:38:08,214 INFO L168 Benchmark]: RCFGBuilder took 248.60 ms. Allocated memory is still 255.9 MB. Free memory was 234.1 MB in the beginning and 237.1 MB in the end (delta: -3.0 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.0 GB. [2021-03-26 16:38:08,214 INFO L168 Benchmark]: TraceAbstraction took 835225.17 ms. Allocated memory was 255.9 MB in the beginning and 9.5 GB in the end (delta: 9.3 GB). Free memory was 236.7 MB in the beginning and 4.9 GB in the end (delta: -4.7 GB). Peak memory consumption was 4.6 GB. Max. memory is 16.0 GB. [2021-03-26 16:38:08,215 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 0.51 ms. Allocated memory is still 255.9 MB. Free memory is still 237.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 20.44 ms. Allocated memory is still 255.9 MB. Free memory was 236.5 MB in the beginning and 235.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 14.40 ms. Allocated memory is still 255.9 MB. Free memory was 235.1 MB in the beginning and 234.2 MB in the end (delta: 911.0 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 248.60 ms. Allocated memory is still 255.9 MB. Free memory was 234.1 MB in the beginning and 237.1 MB in the end (delta: -3.0 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 835225.17 ms. Allocated memory was 255.9 MB in the beginning and 9.5 GB in the end (delta: 9.3 GB). Free memory was 236.7 MB in the beginning and 4.9 GB in the end (delta: -4.7 GB). Peak memory consumption was 4.6 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 289.9ms, 23 PlacesBefore, 15 PlacesAfterwards, 18 TransitionsBefore, 10 TransitionsAfterwards, 48 CoEnabledTransitionPairs, 3 FixpointIterations, 4 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 8 TotalNumberOfCompositions, 20 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 20, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20, positive: 20, positive conditional: 0, positive unconditional: 20, 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: 20, positive: 20, positive conditional: 0, positive unconditional: 20, 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: 20, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 20, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 20, unknown conditional: 0, unknown unconditional: 20] , Statistics on independence cache: Total cache size (in pairs): 20, Positive cache size: 20, Positive conditional cache size: 0, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.4ms, 14 PlacesBefore, 14 PlacesAfterwards, 12 TransitionsBefore, 12 TransitionsAfterwards, 22 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 20, Positive cache size: 20, Positive conditional cache size: 0, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15.1ms, 19 PlacesBefore, 19 PlacesAfterwards, 17 TransitionsBefore, 17 TransitionsAfterwards, 18 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 20, Positive cache size: 20, Positive conditional cache size: 0, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.2ms, 23 PlacesBefore, 23 PlacesAfterwards, 16 TransitionsBefore, 16 TransitionsAfterwards, 20 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 20, Positive cache size: 20, Positive conditional cache size: 0, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.9ms, 26 PlacesBefore, 26 PlacesAfterwards, 19 TransitionsBefore, 19 TransitionsAfterwards, 20 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 20, Positive cache size: 20, Positive conditional cache size: 0, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.6ms, 29 PlacesBefore, 29 PlacesAfterwards, 18 TransitionsBefore, 18 TransitionsAfterwards, 18 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 20, Positive cache size: 20, Positive conditional cache size: 0, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.3ms, 33 PlacesBefore, 33 PlacesAfterwards, 23 TransitionsBefore, 23 TransitionsAfterwards, 28 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 20, Positive cache size: 20, Positive conditional cache size: 0, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.0ms, 38 PlacesBefore, 38 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 34 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 20, Positive cache size: 20, Positive conditional cache size: 0, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 84.0ms, 51 PlacesBefore, 51 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 44 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, 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: 1, positive: 1, positive conditional: 1, positive unconditional: 0, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 21, Positive cache size: 21, Positive conditional cache size: 1, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 36.9ms, 62 PlacesBefore, 62 PlacesAfterwards, 55 TransitionsBefore, 55 TransitionsAfterwards, 64 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 21, Positive cache size: 21, Positive conditional cache size: 1, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 28.7ms, 77 PlacesBefore, 76 PlacesAfterwards, 69 TransitionsBefore, 69 TransitionsAfterwards, 58 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 21, Positive cache size: 21, Positive conditional cache size: 1, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 101.2ms, 94 PlacesBefore, 92 PlacesAfterwards, 87 TransitionsBefore, 87 TransitionsAfterwards, 58 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 21, Positive cache size: 21, Positive conditional cache size: 1, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 35.2ms, 103 PlacesBefore, 102 PlacesAfterwards, 106 TransitionsBefore, 106 TransitionsAfterwards, 60 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 21, Positive cache size: 21, Positive conditional cache size: 1, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 104.1ms, 111 PlacesBefore, 111 PlacesAfterwards, 111 TransitionsBefore, 111 TransitionsAfterwards, 58 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 21, Positive cache size: 21, Positive conditional cache size: 1, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 147.1ms, 121 PlacesBefore, 120 PlacesAfterwards, 131 TransitionsBefore, 130 TransitionsAfterwards, 60 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 21, Positive cache size: 21, Positive conditional cache size: 1, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 38.2ms, 136 PlacesBefore, 136 PlacesAfterwards, 147 TransitionsBefore, 147 TransitionsAfterwards, 60 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 21, Positive cache size: 21, Positive conditional cache size: 1, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 49.5ms, 142 PlacesBefore, 142 PlacesAfterwards, 164 TransitionsBefore, 164 TransitionsAfterwards, 72 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 21, Positive cache size: 21, Positive conditional cache size: 1, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 67.5ms, 153 PlacesBefore, 153 PlacesAfterwards, 195 TransitionsBefore, 195 TransitionsAfterwards, 100 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 21, Positive cache size: 21, Positive conditional cache size: 1, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 139.3ms, 160 PlacesBefore, 160 PlacesAfterwards, 207 TransitionsBefore, 207 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 21, Positive cache size: 21, Positive conditional cache size: 1, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 69.8ms, 166 PlacesBefore, 166 PlacesAfterwards, 216 TransitionsBefore, 216 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 21, Positive cache size: 21, Positive conditional cache size: 1, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 76.5ms, 176 PlacesBefore, 175 PlacesAfterwards, 224 TransitionsBefore, 224 TransitionsAfterwards, 94 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 21, Positive cache size: 21, Positive conditional cache size: 1, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 82.0ms, 178 PlacesBefore, 178 PlacesAfterwards, 227 TransitionsBefore, 227 TransitionsAfterwards, 98 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 21, Positive cache size: 21, Positive conditional cache size: 1, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 84.3ms, 184 PlacesBefore, 182 PlacesAfterwards, 227 TransitionsBefore, 227 TransitionsAfterwards, 94 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 21, Positive cache size: 21, Positive conditional cache size: 1, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 129.3ms, 194 PlacesBefore, 192 PlacesAfterwards, 227 TransitionsBefore, 226 TransitionsAfterwards, 94 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, 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: 1, positive: 1, positive conditional: 1, positive unconditional: 0, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 22, Positive cache size: 22, Positive conditional cache size: 2, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 186.0ms, 206 PlacesBefore, 203 PlacesAfterwards, 235 TransitionsBefore, 235 TransitionsAfterwards, 94 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 22, Positive cache size: 22, Positive conditional cache size: 2, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 287.6ms, 211 PlacesBefore, 211 PlacesAfterwards, 259 TransitionsBefore, 259 TransitionsAfterwards, 112 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, 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: 2, positive: 2, positive conditional: 2, positive unconditional: 0, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 4, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 144.2ms, 222 PlacesBefore, 222 PlacesAfterwards, 271 TransitionsBefore, 271 TransitionsAfterwards, 114 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 4, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 96.2ms, 220 PlacesBefore, 217 PlacesAfterwards, 268 TransitionsBefore, 268 TransitionsAfterwards, 108 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 4, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 97.2ms, 223 PlacesBefore, 223 PlacesAfterwards, 275 TransitionsBefore, 275 TransitionsAfterwards, 116 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 4, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 203.9ms, 237 PlacesBefore, 237 PlacesAfterwards, 312 TransitionsBefore, 312 TransitionsAfterwards, 134 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 4, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 165.4ms, 242 PlacesBefore, 242 PlacesAfterwards, 314 TransitionsBefore, 314 TransitionsAfterwards, 132 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 4, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 122.2ms, 245 PlacesBefore, 244 PlacesAfterwards, 315 TransitionsBefore, 315 TransitionsAfterwards, 132 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 4, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 136.7ms, 250 PlacesBefore, 250 PlacesAfterwards, 323 TransitionsBefore, 323 TransitionsAfterwards, 138 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 4, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 242.4ms, 261 PlacesBefore, 261 PlacesAfterwards, 345 TransitionsBefore, 345 TransitionsAfterwards, 140 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 4, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 191.2ms, 281 PlacesBefore, 278 PlacesAfterwards, 387 TransitionsBefore, 387 TransitionsAfterwards, 148 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 4, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 164.0ms, 285 PlacesBefore, 285 PlacesAfterwards, 401 TransitionsBefore, 401 TransitionsAfterwards, 148 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 4, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 266.7ms, 295 PlacesBefore, 293 PlacesAfterwards, 406 TransitionsBefore, 405 TransitionsAfterwards, 148 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 4, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 247.8ms, 296 PlacesBefore, 296 PlacesAfterwards, 413 TransitionsBefore, 413 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 4, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 205.4ms, 295 PlacesBefore, 292 PlacesAfterwards, 409 TransitionsBefore, 409 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 4, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 270.2ms, 319 PlacesBefore, 319 PlacesAfterwards, 492 TransitionsBefore, 492 TransitionsAfterwards, 160 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 4, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 306.7ms, 340 PlacesBefore, 340 PlacesAfterwards, 517 TransitionsBefore, 517 TransitionsAfterwards, 160 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 4, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 466.2ms, 357 PlacesBefore, 355 PlacesAfterwards, 552 TransitionsBefore, 552 TransitionsAfterwards, 168 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 4, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 545.1ms, 362 PlacesBefore, 361 PlacesAfterwards, 560 TransitionsBefore, 559 TransitionsAfterwards, 180 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, 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: 2, positive: 2, positive conditional: 2, positive unconditional: 0, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 26, Positive conditional cache size: 6, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 416.8ms, 377 PlacesBefore, 377 PlacesAfterwards, 610 TransitionsBefore, 610 TransitionsAfterwards, 192 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 26, Positive conditional cache size: 6, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 452.4ms, 383 PlacesBefore, 382 PlacesAfterwards, 632 TransitionsBefore, 632 TransitionsAfterwards, 194 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 26, Positive conditional cache size: 6, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 466.9ms, 389 PlacesBefore, 389 PlacesAfterwards, 647 TransitionsBefore, 647 TransitionsAfterwards, 212 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 26, Positive conditional cache size: 6, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 725.0ms, 412 PlacesBefore, 410 PlacesAfterwards, 752 TransitionsBefore, 752 TransitionsAfterwards, 240 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 26, Positive conditional cache size: 6, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 730.1ms, 411 PlacesBefore, 411 PlacesAfterwards, 775 TransitionsBefore, 775 TransitionsAfterwards, 266 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 26, Positive conditional cache size: 6, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 624.9ms, 426 PlacesBefore, 426 PlacesAfterwards, 813 TransitionsBefore, 813 TransitionsAfterwards, 302 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 26, Positive conditional cache size: 6, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 749.3ms, 423 PlacesBefore, 423 PlacesAfterwards, 818 TransitionsBefore, 818 TransitionsAfterwards, 306 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 26, Positive conditional cache size: 6, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 761.5ms, 437 PlacesBefore, 437 PlacesAfterwards, 848 TransitionsBefore, 848 TransitionsAfterwards, 350 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 26, Positive conditional cache size: 6, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 707.6ms, 442 PlacesBefore, 442 PlacesAfterwards, 854 TransitionsBefore, 854 TransitionsAfterwards, 350 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 26, Positive conditional cache size: 6, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 695.8ms, 452 PlacesBefore, 451 PlacesAfterwards, 858 TransitionsBefore, 858 TransitionsAfterwards, 354 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 26, Positive conditional cache size: 6, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 736.4ms, 456 PlacesBefore, 456 PlacesAfterwards, 867 TransitionsBefore, 867 TransitionsAfterwards, 360 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 26, Positive conditional cache size: 6, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 730.6ms, 457 PlacesBefore, 457 PlacesAfterwards, 862 TransitionsBefore, 862 TransitionsAfterwards, 356 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 26, Positive conditional cache size: 6, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 708.6ms, 461 PlacesBefore, 461 PlacesAfterwards, 869 TransitionsBefore, 869 TransitionsAfterwards, 362 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 26, Positive conditional cache size: 6, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 771.6ms, 467 PlacesBefore, 467 PlacesAfterwards, 871 TransitionsBefore, 871 TransitionsAfterwards, 366 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 26, Positive conditional cache size: 6, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 783.5ms, 488 PlacesBefore, 486 PlacesAfterwards, 883 TransitionsBefore, 883 TransitionsAfterwards, 368 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 26, Positive conditional cache size: 6, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1106.4ms, 494 PlacesBefore, 494 PlacesAfterwards, 942 TransitionsBefore, 942 TransitionsAfterwards, 406 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 26, Positive conditional cache size: 6, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 951.6ms, 510 PlacesBefore, 509 PlacesAfterwards, 943 TransitionsBefore, 943 TransitionsAfterwards, 396 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 26, Positive conditional cache size: 6, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 963.2ms, 507 PlacesBefore, 507 PlacesAfterwards, 946 TransitionsBefore, 946 TransitionsAfterwards, 398 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 26, Positive conditional cache size: 6, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 976.6ms, 524 PlacesBefore, 524 PlacesAfterwards, 996 TransitionsBefore, 996 TransitionsAfterwards, 440 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 26, Positive conditional cache size: 6, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1504.9ms, 541 PlacesBefore, 539 PlacesAfterwards, 1071 TransitionsBefore, 1071 TransitionsAfterwards, 464 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 26, Positive conditional cache size: 6, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1719.3ms, 561 PlacesBefore, 561 PlacesAfterwards, 1170 TransitionsBefore, 1170 TransitionsAfterwards, 464 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 26, Positive conditional cache size: 6, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1299.8ms, 568 PlacesBefore, 568 PlacesAfterwards, 1192 TransitionsBefore, 1192 TransitionsAfterwards, 488 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 26, Positive conditional cache size: 6, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1484.6ms, 572 PlacesBefore, 572 PlacesAfterwards, 1198 TransitionsBefore, 1198 TransitionsAfterwards, 490 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 26, Positive conditional cache size: 6, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1783.1ms, 588 PlacesBefore, 587 PlacesAfterwards, 1234 TransitionsBefore, 1234 TransitionsAfterwards, 498 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 26, Positive conditional cache size: 6, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1572.0ms, 608 PlacesBefore, 607 PlacesAfterwards, 1257 TransitionsBefore, 1257 TransitionsAfterwards, 518 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 26, Positive conditional cache size: 6, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1665.2ms, 616 PlacesBefore, 614 PlacesAfterwards, 1262 TransitionsBefore, 1262 TransitionsAfterwards, 518 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 26, Positive conditional cache size: 6, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1613.6ms, 622 PlacesBefore, 622 PlacesAfterwards, 1286 TransitionsBefore, 1286 TransitionsAfterwards, 544 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 26, Positive conditional cache size: 6, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2070.5ms, 629 PlacesBefore, 628 PlacesAfterwards, 1329 TransitionsBefore, 1329 TransitionsAfterwards, 546 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 26, Positive conditional cache size: 6, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1742.6ms, 641 PlacesBefore, 640 PlacesAfterwards, 1341 TransitionsBefore, 1341 TransitionsAfterwards, 552 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 26, Positive conditional cache size: 6, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2728.8ms, 658 PlacesBefore, 654 PlacesAfterwards, 1505 TransitionsBefore, 1505 TransitionsAfterwards, 566 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 26, Positive conditional cache size: 6, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2898.1ms, 658 PlacesBefore, 658 PlacesAfterwards, 1525 TransitionsBefore, 1525 TransitionsAfterwards, 584 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, 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: 1, positive: 1, positive conditional: 1, positive unconditional: 0, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 27, Positive cache size: 27, Positive conditional cache size: 7, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2282.8ms, 663 PlacesBefore, 663 PlacesAfterwards, 1526 TransitionsBefore, 1526 TransitionsAfterwards, 582 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 27, Positive cache size: 27, Positive conditional cache size: 7, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3212.0ms, 671 PlacesBefore, 671 PlacesAfterwards, 1590 TransitionsBefore, 1590 TransitionsAfterwards, 650 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 3 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, 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: 2, positive: 2, positive conditional: 2, positive unconditional: 0, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 29, Positive conditional cache size: 9, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3068.2ms, 698 PlacesBefore, 698 PlacesAfterwards, 1711 TransitionsBefore, 1711 TransitionsAfterwards, 774 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 29, Positive conditional cache size: 9, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2980.2ms, 702 PlacesBefore, 702 PlacesAfterwards, 1713 TransitionsBefore, 1713 TransitionsAfterwards, 776 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 29, Positive conditional cache size: 9, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3128.0ms, 714 PlacesBefore, 714 PlacesAfterwards, 1732 TransitionsBefore, 1732 TransitionsAfterwards, 816 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 29, Positive conditional cache size: 9, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4066.8ms, 735 PlacesBefore, 733 PlacesAfterwards, 1885 TransitionsBefore, 1885 TransitionsAfterwards, 896 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 29, Positive conditional cache size: 9, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4215.4ms, 750 PlacesBefore, 750 PlacesAfterwards, 1947 TransitionsBefore, 1947 TransitionsAfterwards, 970 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 29, Positive conditional cache size: 9, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5103.2ms, 764 PlacesBefore, 764 PlacesAfterwards, 1978 TransitionsBefore, 1978 TransitionsAfterwards, 1006 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 29, Positive conditional cache size: 9, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4467.0ms, 770 PlacesBefore, 770 PlacesAfterwards, 2008 TransitionsBefore, 2008 TransitionsAfterwards, 1006 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 29, Positive conditional cache size: 9, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5393.8ms, 785 PlacesBefore, 783 PlacesAfterwards, 2018 TransitionsBefore, 2018 TransitionsAfterwards, 1008 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 29, Positive conditional cache size: 9, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4694.1ms, 796 PlacesBefore, 795 PlacesAfterwards, 2029 TransitionsBefore, 2029 TransitionsAfterwards, 1008 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 29, Positive conditional cache size: 9, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4644.6ms, 811 PlacesBefore, 811 PlacesAfterwards, 2045 TransitionsBefore, 2045 TransitionsAfterwards, 1020 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 29, Positive conditional cache size: 9, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5689.5ms, 820 PlacesBefore, 820 PlacesAfterwards, 2093 TransitionsBefore, 2093 TransitionsAfterwards, 1020 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 29, Positive conditional cache size: 9, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5251.0ms, 835 PlacesBefore, 834 PlacesAfterwards, 2128 TransitionsBefore, 2128 TransitionsAfterwards, 1022 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 29, Positive conditional cache size: 9, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5454.3ms, 845 PlacesBefore, 843 PlacesAfterwards, 2148 TransitionsBefore, 2148 TransitionsAfterwards, 1036 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 29, Positive conditional cache size: 9, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5144.0ms, 845 PlacesBefore, 845 PlacesAfterwards, 2156 TransitionsBefore, 2156 TransitionsAfterwards, 1042 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 29, Positive conditional cache size: 9, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5985.8ms, 855 PlacesBefore, 855 PlacesAfterwards, 2348 TransitionsBefore, 2348 TransitionsAfterwards, 1282 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 29, Positive conditional cache size: 9, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8451.5ms, 881 PlacesBefore, 881 PlacesAfterwards, 2529 TransitionsBefore, 2529 TransitionsAfterwards, 1310 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 29, Positive conditional cache size: 9, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9489.4ms, 893 PlacesBefore, 889 PlacesAfterwards, 2542 TransitionsBefore, 2542 TransitionsAfterwards, 1306 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 29, Positive conditional cache size: 9, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9774.1ms, 892 PlacesBefore, 890 PlacesAfterwards, 2543 TransitionsBefore, 2541 TransitionsAfterwards, 1306 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 29, Positive conditional cache size: 9, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8791.9ms, 920 PlacesBefore, 918 PlacesAfterwards, 2662 TransitionsBefore, 2662 TransitionsAfterwards, 1356 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 29, Positive conditional cache size: 9, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - TimeoutResultAtElement [Line: 50]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 50). Cancelled while PetriNetLargeBlockEncoding was applying PetriNetLargeBlockEncoding to Petri net that has 926 places, 2685 transitions, 138945 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 926 places, 2685 transitions, 138945 flow,while PetriNetUnfolder was constructing finite prefix that currently has 119660 conditions, 3722 events (1142/3721 cut-off events. For 1784450/1784464 co-relation queries the response was YES. Maximal size of possible extension queue 1230. Compared 48858 event pairs, 45 based on Foata normal form. 0/4951 useless extension candidates. Maximal degree in co-relation 119032. Up to 1441 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 5.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 835111.5ms, OverallIterations: 95, TraceHistogramMax: 3, EmptinessCheckTime: 0.0ms, AutomataDifference: 645117.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 379.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 705 SDtfs, 1357 SDslu, 716 SDs, 0 SdLazy, 18622 SolverSat, 3768 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8921.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2267 GetRequests, 635 SyntacticMatches, 25 SemanticMatches, 1607 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6750 ImplicationChecksByTransitivity, 18068.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=138945occurred in iteration=95, InterpolantAutomatonStates: 1289, 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: 227.8ms SsaConstructionTime, 768.6ms SatisfiabilityAnalysisTime, 11891.2ms InterpolantComputationTime, 2107 NumberOfCodeBlocks, 2107 NumberOfCodeBlocksAsserted, 217 NumberOfCheckSat, 1923 ConstructedInterpolants, 0 QuantifiedInterpolants, 15909 SizeOfPredicates, 221 NumberOfNonLiveVariables, 3795 ConjunctsInSsa, 931 ConjunctsInUnsatCore, 184 InterpolantComputations, 6 PerfectInterpolantSequences, 282/973 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