/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/parallel/ticket-5.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 15:24:15,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 15:24:15,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 15:24:15,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 15:24:15,591 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 15:24:15,592 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 15:24:15,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 15:24:15,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 15:24:15,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 15:24:15,597 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 15:24:15,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 15:24:15,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 15:24:15,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 15:24:15,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 15:24:15,600 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 15:24:15,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 15:24:15,602 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 15:24:15,602 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 15:24:15,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 15:24:15,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 15:24:15,606 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 15:24:15,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 15:24:15,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 15:24:15,609 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 15:24:15,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 15:24:15,618 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 15:24:15,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 15:24:15,619 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 15:24:15,620 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 15:24:15,643 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 15:24:15,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 15:24:15,644 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 15:24:15,644 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 15:24:15,645 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 15:24:15,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 15:24:15,645 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 15:24:15,645 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 15:24:15,645 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 15:24:15,645 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 15:24:15,646 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 15:24:15,646 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 15:24:15,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 15:24:15,646 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 15:24:15,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 15:24:15,646 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 15:24:15,646 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 15:24:15,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 15:24:15,647 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 15:24:15,647 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 15:24:15,647 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 15:24:15,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 15:24:15,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 15:24:15,648 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 15:24:15,648 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 15:24:15,648 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 15:24:15,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 15:24:15,648 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 15:24:15,648 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 15:24:15,648 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 15:24:15,649 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 15:24:15,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 15:24:15,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 15:24:15,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 15:24:15,947 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-26 15:24:15,952 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-26 15:24:15,957 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-5.wvr.bpl [2021-03-26 15:24:15,957 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-5.wvr.bpl' [2021-03-26 15:24:15,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 15:24:15,995 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-26 15:24:15,996 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 15:24:15,996 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 15:24:15,996 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 15:24:16,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:24:15" (1/1) ... [2021-03-26 15:24:16,016 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:24:15" (1/1) ... [2021-03-26 15:24:16,022 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 15:24:16,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 15:24:16,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 15:24:16,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 15:24:16,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:24:15" (1/1) ... [2021-03-26 15:24:16,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:24:15" (1/1) ... [2021-03-26 15:24:16,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:24:15" (1/1) ... [2021-03-26 15:24:16,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:24:15" (1/1) ... [2021-03-26 15:24:16,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:24:15" (1/1) ... [2021-03-26 15:24:16,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:24:15" (1/1) ... [2021-03-26 15:24:16,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:24:15" (1/1) ... [2021-03-26 15:24:16,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 15:24:16,042 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 15:24:16,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 15:24:16,043 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 15:24:16,044 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:24:15" (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 15:24:16,104 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-26 15:24:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-26 15:24:16,104 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-26 15:24:16,104 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-26 15:24:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-26 15:24:16,104 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-26 15:24:16,105 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-26 15:24:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 15:24:16,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 15:24:16,105 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-26 15:24:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-26 15:24:16,105 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-26 15:24:16,105 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-03-26 15:24:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-03-26 15:24:16,106 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-03-26 15:24:16,106 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-03-26 15:24:16,106 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-03-26 15:24:16,106 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-03-26 15:24:16,107 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 15:24:16,405 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 15:24:16,405 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-26 15:24:16,407 INFO L202 PluginConnector]: Adding new model ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 03:24:16 BoogieIcfgContainer [2021-03-26 15:24:16,407 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 15:24:16,408 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 15:24:16,409 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 15:24:16,411 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 15:24:16,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:24:15" (1/2) ... [2021-03-26 15:24:16,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32c74229 and model type ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 03:24:16, skipping insertion in model container [2021-03-26 15:24:16,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 03:24:16" (2/2) ... [2021-03-26 15:24:16,413 INFO L111 eAbstractionObserver]: Analyzing ICFG ticket-5.wvr.bpl [2021-03-26 15:24:16,418 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 15:24:16,421 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 15:24:16,422 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 15:24:16,502 INFO L149 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2021-03-26 15:24:16,518 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-26 15:24:16,552 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 15:24:16,552 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 15:24:16,553 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 15:24:16,553 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 15:24:16,553 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 15:24:16,553 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 15:24:16,553 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 15:24:16,553 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 15:24:16,567 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 46 transitions, 132 flow [2021-03-26 15:24:16,616 INFO L129 PetriNetUnfolder]: 0/41 cut-off events. [2021-03-26 15:24:16,617 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-03-26 15:24:16,618 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 41 events. 0/41 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 91 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-26 15:24:16,618 INFO L82 GeneralOperation]: Start removeDead. Operand has 62 places, 46 transitions, 132 flow [2021-03-26 15:24:16,621 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 55 places, 39 transitions, 108 flow [2021-03-26 15:24:16,622 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:24:16,640 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 39 transitions, 108 flow [2021-03-26 15:24:16,643 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 39 transitions, 108 flow [2021-03-26 15:24:16,645 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 39 transitions, 108 flow [2021-03-26 15:24:16,665 INFO L129 PetriNetUnfolder]: 0/39 cut-off events. [2021-03-26 15:24:16,665 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-03-26 15:24:16,665 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 39 events. 0/39 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 91 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-26 15:24:16,668 INFO L142 LiptonReduction]: Number of co-enabled transitions 748 [2021-03-26 15:24:17,704 INFO L154 LiptonReduction]: Checked pairs total: 933 [2021-03-26 15:24:17,704 INFO L156 LiptonReduction]: Total number of compositions: 15 [2021-03-26 15:24:17,706 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1084 [2021-03-26 15:24:17,716 INFO L129 PetriNetUnfolder]: 0/23 cut-off events. [2021-03-26 15:24:17,717 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-03-26 15:24:17,717 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:24:17,718 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:24:17,718 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:24:17,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:24:17,722 INFO L82 PathProgramCache]: Analyzing trace with hash -866423877, now seen corresponding path program 1 times [2021-03-26 15:24:17,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:24:17,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508849511] [2021-03-26 15:24:17,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:24:17,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:24:17,915 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-26 15:24:17,916 INFO L147 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size 9 [2021-03-26 15:24:17,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:17,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:24:17,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:17,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:24:17,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:17,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:24:17,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:17,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-03-26 15:24:17,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:17,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:24:17,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:17,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-03-26 15:24:17,946 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 15:24:17,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508849511] [2021-03-26 15:24:17,947 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:24:17,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 15:24:17,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205819693] [2021-03-26 15:24:17,955 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 15:24:17,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:24:17,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 15:24:17,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-26 15:24:17,967 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 61 [2021-03-26 15:24:17,969 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 24 transitions, 78 flow. Second operand has 5 states, 5 states have (on average 38.6) internal successors, (193), 5 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:17,969 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:24:17,969 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 61 [2021-03-26 15:24:17,970 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:24:18,210 INFO L129 PetriNetUnfolder]: 1023/1641 cut-off events. [2021-03-26 15:24:18,210 INFO L130 PetriNetUnfolder]: For 127/127 co-relation queries the response was YES. [2021-03-26 15:24:18,218 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3263 conditions, 1641 events. 1023/1641 cut-off events. For 127/127 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 9184 event pairs, 452 based on Foata normal form. 1/1622 useless extension candidates. Maximal degree in co-relation 3233. Up to 810 conditions per place. [2021-03-26 15:24:18,229 INFO L132 encePairwiseOnDemand]: 48/61 looper letters, 23 selfloop transitions, 11 changer transitions 1/46 dead transitions. [2021-03-26 15:24:18,229 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 46 transitions, 192 flow [2021-03-26 15:24:18,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 15:24:18,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 15:24:18,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 216 transitions. [2021-03-26 15:24:18,242 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7081967213114754 [2021-03-26 15:24:18,242 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 216 transitions. [2021-03-26 15:24:18,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 216 transitions. [2021-03-26 15:24:18,246 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:24:18,248 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 216 transitions. [2021-03-26 15:24:18,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 43.2) internal successors, (216), 5 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:18,261 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 61.0) internal successors, (366), 6 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:18,261 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 61.0) internal successors, (366), 6 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:18,263 INFO L185 Difference]: Start difference. First operand has 40 places, 24 transitions, 78 flow. Second operand 5 states and 216 transitions. [2021-03-26 15:24:18,263 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 46 transitions, 192 flow [2021-03-26 15:24:18,275 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 46 transitions, 172 flow, removed 0 selfloop flow, removed 10 redundant places. [2021-03-26 15:24:18,279 INFO L241 Difference]: Finished difference. Result has 37 places, 33 transitions, 137 flow [2021-03-26 15:24:18,280 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=137, PETRI_PLACES=37, PETRI_TRANSITIONS=33} [2021-03-26 15:24:18,282 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, -3 predicate places. [2021-03-26 15:24:18,282 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:24:18,282 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 33 transitions, 137 flow [2021-03-26 15:24:18,283 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 33 transitions, 137 flow [2021-03-26 15:24:18,284 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 33 transitions, 137 flow [2021-03-26 15:24:18,324 INFO L129 PetriNetUnfolder]: 268/595 cut-off events. [2021-03-26 15:24:18,325 INFO L130 PetriNetUnfolder]: For 54/56 co-relation queries the response was YES. [2021-03-26 15:24:18,327 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1252 conditions, 595 events. 268/595 cut-off events. For 54/56 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 3730 event pairs, 155 based on Foata normal form. 0/545 useless extension candidates. Maximal degree in co-relation 1163. Up to 381 conditions per place. [2021-03-26 15:24:18,333 INFO L142 LiptonReduction]: Number of co-enabled transitions 220 [2021-03-26 15:24:18,356 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:24:18,357 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:24:18,357 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 75 [2021-03-26 15:24:18,359 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 33 transitions, 137 flow [2021-03-26 15:24:18,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 38.6) internal successors, (193), 5 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:18,360 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:24:18,360 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:24:18,360 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 15:24:18,360 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:24:18,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:24:18,361 INFO L82 PathProgramCache]: Analyzing trace with hash -1818059171, now seen corresponding path program 2 times [2021-03-26 15:24:18,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:24:18,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461800892] [2021-03-26 15:24:18,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:24:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:24:18,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:18,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:24:18,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:18,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:18,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:18,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:18,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:18,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:18,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:18,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:24:18,470 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 15:24:18,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461800892] [2021-03-26 15:24:18,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:24:18,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 15:24:18,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667225209] [2021-03-26 15:24:18,471 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 15:24:18,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:24:18,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 15:24:18,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-26 15:24:18,473 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 61 [2021-03-26 15:24:18,473 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 33 transitions, 137 flow. Second operand has 6 states, 6 states have (on average 32.166666666666664) internal successors, (193), 6 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:18,473 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:24:18,473 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 61 [2021-03-26 15:24:18,473 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:24:18,915 INFO L129 PetriNetUnfolder]: 2532/3837 cut-off events. [2021-03-26 15:24:18,915 INFO L130 PetriNetUnfolder]: For 2271/2439 co-relation queries the response was YES. [2021-03-26 15:24:18,921 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11650 conditions, 3837 events. 2532/3837 cut-off events. For 2271/2439 co-relation queries the response was YES. Maximal size of possible extension queue 321. Compared 21966 event pairs, 571 based on Foata normal form. 102/3926 useless extension candidates. Maximal degree in co-relation 11533. Up to 1704 conditions per place. [2021-03-26 15:24:18,946 INFO L132 encePairwiseOnDemand]: 50/61 looper letters, 30 selfloop transitions, 37 changer transitions 0/78 dead transitions. [2021-03-26 15:24:18,946 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 78 transitions, 462 flow [2021-03-26 15:24:18,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 15:24:18,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 15:24:18,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 233 transitions. [2021-03-26 15:24:18,951 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6366120218579235 [2021-03-26 15:24:18,951 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 233 transitions. [2021-03-26 15:24:18,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 233 transitions. [2021-03-26 15:24:18,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:24:18,952 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 233 transitions. [2021-03-26 15:24:18,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 38.833333333333336) internal successors, (233), 6 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:18,955 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 61.0) internal successors, (427), 7 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:18,956 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 61.0) internal successors, (427), 7 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:18,956 INFO L185 Difference]: Start difference. First operand has 37 places, 33 transitions, 137 flow. Second operand 6 states and 233 transitions. [2021-03-26 15:24:18,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 78 transitions, 462 flow [2021-03-26 15:24:18,958 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 78 transitions, 426 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-03-26 15:24:18,960 INFO L241 Difference]: Finished difference. Result has 40 places, 64 transitions, 379 flow [2021-03-26 15:24:18,960 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=379, PETRI_PLACES=40, PETRI_TRANSITIONS=64} [2021-03-26 15:24:18,961 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 0 predicate places. [2021-03-26 15:24:18,961 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:24:18,961 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 64 transitions, 379 flow [2021-03-26 15:24:18,962 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 64 transitions, 379 flow [2021-03-26 15:24:18,963 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 64 transitions, 379 flow [2021-03-26 15:24:19,156 INFO L129 PetriNetUnfolder]: 1497/2525 cut-off events. [2021-03-26 15:24:19,159 INFO L130 PetriNetUnfolder]: For 1890/2158 co-relation queries the response was YES. [2021-03-26 15:24:19,165 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7787 conditions, 2525 events. 1497/2525 cut-off events. For 1890/2158 co-relation queries the response was YES. Maximal size of possible extension queue 248. Compared 15857 event pairs, 304 based on Foata normal form. 59/2552 useless extension candidates. Maximal degree in co-relation 7629. Up to 1340 conditions per place. [2021-03-26 15:24:19,180 INFO L142 LiptonReduction]: Number of co-enabled transitions 412 [2021-03-26 15:24:19,835 INFO L154 LiptonReduction]: Checked pairs total: 40 [2021-03-26 15:24:19,835 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:24:19,836 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 875 [2021-03-26 15:24:19,837 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 64 transitions, 379 flow [2021-03-26 15:24:19,837 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 32.166666666666664) internal successors, (193), 6 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:19,837 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:24:19,837 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:24:19,837 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 15:24:19,837 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:24:19,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:24:19,838 INFO L82 PathProgramCache]: Analyzing trace with hash -431297975, now seen corresponding path program 3 times [2021-03-26 15:24:19,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:24:19,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365932999] [2021-03-26 15:24:19,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:24:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:24:19,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:19,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:24:19,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:19,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:19,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:19,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:19,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:19,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:24:19,873 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 15:24:19,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365932999] [2021-03-26 15:24:19,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:24:19,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 15:24:19,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403546118] [2021-03-26 15:24:19,879 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 15:24:19,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:24:19,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 15:24:19,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-26 15:24:19,881 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-03-26 15:24:19,881 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 64 transitions, 379 flow. Second operand has 5 states, 5 states have (on average 32.6) internal successors, (163), 5 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:19,881 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:24:19,882 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-03-26 15:24:19,882 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:24:20,302 INFO L129 PetriNetUnfolder]: 2653/4083 cut-off events. [2021-03-26 15:24:20,302 INFO L130 PetriNetUnfolder]: For 4514/4862 co-relation queries the response was YES. [2021-03-26 15:24:20,310 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15888 conditions, 4083 events. 2653/4083 cut-off events. For 4514/4862 co-relation queries the response was YES. Maximal size of possible extension queue 344. Compared 23469 event pairs, 560 based on Foata normal form. 65/4139 useless extension candidates. Maximal degree in co-relation 15698. Up to 3534 conditions per place. [2021-03-26 15:24:20,339 INFO L132 encePairwiseOnDemand]: 52/62 looper letters, 63 selfloop transitions, 36 changer transitions 0/110 dead transitions. [2021-03-26 15:24:20,340 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 110 transitions, 874 flow [2021-03-26 15:24:20,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 15:24:20,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 15:24:20,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 190 transitions. [2021-03-26 15:24:20,341 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6129032258064516 [2021-03-26 15:24:20,341 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 190 transitions. [2021-03-26 15:24:20,341 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 190 transitions. [2021-03-26 15:24:20,342 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:24:20,342 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 190 transitions. [2021-03-26 15:24:20,342 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 38.0) internal successors, (190), 5 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:20,344 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 62.0) internal successors, (372), 6 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:20,344 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 62.0) internal successors, (372), 6 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:20,344 INFO L185 Difference]: Start difference. First operand has 40 places, 64 transitions, 379 flow. Second operand 5 states and 190 transitions. [2021-03-26 15:24:20,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 110 transitions, 874 flow [2021-03-26 15:24:20,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 110 transitions, 848 flow, removed 10 selfloop flow, removed 1 redundant places. [2021-03-26 15:24:20,352 INFO L241 Difference]: Finished difference. Result has 45 places, 94 transitions, 727 flow [2021-03-26 15:24:20,352 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=363, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=727, PETRI_PLACES=45, PETRI_TRANSITIONS=94} [2021-03-26 15:24:20,352 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 5 predicate places. [2021-03-26 15:24:20,353 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:24:20,353 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 94 transitions, 727 flow [2021-03-26 15:24:20,354 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 94 transitions, 727 flow [2021-03-26 15:24:20,354 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 94 transitions, 727 flow [2021-03-26 15:24:20,537 INFO L129 PetriNetUnfolder]: 1582/2662 cut-off events. [2021-03-26 15:24:20,537 INFO L130 PetriNetUnfolder]: For 3977/4228 co-relation queries the response was YES. [2021-03-26 15:24:20,545 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9170 conditions, 2662 events. 1582/2662 cut-off events. For 3977/4228 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 16690 event pairs, 266 based on Foata normal form. 84/2718 useless extension candidates. Maximal degree in co-relation 8989. Up to 1400 conditions per place. [2021-03-26 15:24:20,563 INFO L142 LiptonReduction]: Number of co-enabled transitions 514 [2021-03-26 15:24:21,554 INFO L154 LiptonReduction]: Checked pairs total: 348 [2021-03-26 15:24:21,554 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-26 15:24:21,554 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1201 [2021-03-26 15:24:21,555 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 94 transitions, 727 flow [2021-03-26 15:24:21,555 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 32.6) internal successors, (163), 5 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:21,556 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:24:21,556 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:24:21,556 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 15:24:21,556 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:24:21,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:24:21,557 INFO L82 PathProgramCache]: Analyzing trace with hash -764562289, now seen corresponding path program 1 times [2021-03-26 15:24:21,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:24:21,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369568078] [2021-03-26 15:24:21,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:24:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:24:21,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:21,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:24:21,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:21,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:21,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:21,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:21,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:21,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:21,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:21,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:21,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:21,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:21,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:21,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:24:21,606 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 15:24:21,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369568078] [2021-03-26 15:24:21,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:24:21,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 15:24:21,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379661767] [2021-03-26 15:24:21,607 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 15:24:21,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:24:21,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 15:24:21,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-26 15:24:21,608 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-03-26 15:24:21,608 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 94 transitions, 727 flow. Second operand has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 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 15:24:21,608 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:24:21,608 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-03-26 15:24:21,609 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:24:22,263 INFO L129 PetriNetUnfolder]: 3445/5377 cut-off events. [2021-03-26 15:24:22,263 INFO L130 PetriNetUnfolder]: For 10611/10843 co-relation queries the response was YES. [2021-03-26 15:24:22,279 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22345 conditions, 5377 events. 3445/5377 cut-off events. For 10611/10843 co-relation queries the response was YES. Maximal size of possible extension queue 501. Compared 33593 event pairs, 474 based on Foata normal form. 175/5540 useless extension candidates. Maximal degree in co-relation 22176. Up to 2454 conditions per place. [2021-03-26 15:24:22,313 INFO L132 encePairwiseOnDemand]: 50/68 looper letters, 33 selfloop transitions, 170 changer transitions 1/215 dead transitions. [2021-03-26 15:24:22,314 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 215 transitions, 2040 flow [2021-03-26 15:24:22,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 15:24:22,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 15:24:22,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 293 transitions. [2021-03-26 15:24:22,315 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.615546218487395 [2021-03-26 15:24:22,315 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 293 transitions. [2021-03-26 15:24:22,315 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 293 transitions. [2021-03-26 15:24:22,316 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:24:22,316 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 293 transitions. [2021-03-26 15:24:22,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:22,317 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 68.0) internal successors, (544), 8 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:22,318 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 68.0) internal successors, (544), 8 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:22,318 INFO L185 Difference]: Start difference. First operand has 45 places, 94 transitions, 727 flow. Second operand 7 states and 293 transitions. [2021-03-26 15:24:22,318 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 215 transitions, 2040 flow [2021-03-26 15:24:22,326 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 215 transitions, 2034 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 15:24:22,330 INFO L241 Difference]: Finished difference. Result has 52 places, 199 transitions, 2141 flow [2021-03-26 15:24:22,330 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=721, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2141, PETRI_PLACES=52, PETRI_TRANSITIONS=199} [2021-03-26 15:24:22,331 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 12 predicate places. [2021-03-26 15:24:22,331 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:24:22,331 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 199 transitions, 2141 flow [2021-03-26 15:24:22,331 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 199 transitions, 2141 flow [2021-03-26 15:24:22,332 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 199 transitions, 2141 flow [2021-03-26 15:24:22,613 INFO L129 PetriNetUnfolder]: 2062/3514 cut-off events. [2021-03-26 15:24:22,613 INFO L130 PetriNetUnfolder]: For 9853/10402 co-relation queries the response was YES. [2021-03-26 15:24:22,624 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16761 conditions, 3514 events. 2062/3514 cut-off events. For 9853/10402 co-relation queries the response was YES. Maximal size of possible extension queue 360. Compared 23711 event pairs, 213 based on Foata normal form. 141/3625 useless extension candidates. Maximal degree in co-relation 16560. Up to 1949 conditions per place. [2021-03-26 15:24:22,653 INFO L142 LiptonReduction]: Number of co-enabled transitions 916 [2021-03-26 15:24:25,906 INFO L154 LiptonReduction]: Checked pairs total: 1683 [2021-03-26 15:24:25,906 INFO L156 LiptonReduction]: Total number of compositions: 15 [2021-03-26 15:24:25,906 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3575 [2021-03-26 15:24:25,907 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 199 transitions, 2143 flow [2021-03-26 15:24:25,907 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 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 15:24:25,907 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:24:25,908 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:24:25,908 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 15:24:25,908 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:24:25,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:24:25,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1499912123, now seen corresponding path program 1 times [2021-03-26 15:24:25,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:24:25,909 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654665469] [2021-03-26 15:24:25,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:24:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:24:25,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:25,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:24:25,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:25,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:25,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:25,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:25,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:25,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:24:25,956 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 15:24:25,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654665469] [2021-03-26 15:24:25,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:24:25,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 15:24:25,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567083941] [2021-03-26 15:24:25,956 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 15:24:25,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:24:25,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 15:24:25,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-26 15:24:25,959 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 83 [2021-03-26 15:24:25,959 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 199 transitions, 2143 flow. Second operand has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 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 15:24:25,959 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:24:25,959 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 83 [2021-03-26 15:24:25,959 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:24:26,704 INFO L129 PetriNetUnfolder]: 3518/5590 cut-off events. [2021-03-26 15:24:26,704 INFO L130 PetriNetUnfolder]: For 17663/18201 co-relation queries the response was YES. [2021-03-26 15:24:26,725 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30138 conditions, 5590 events. 3518/5590 cut-off events. For 17663/18201 co-relation queries the response was YES. Maximal size of possible extension queue 518. Compared 36063 event pairs, 641 based on Foata normal form. 114/5692 useless extension candidates. Maximal degree in co-relation 29876. Up to 4764 conditions per place. [2021-03-26 15:24:26,764 INFO L132 encePairwiseOnDemand]: 61/83 looper letters, 148 selfloop transitions, 83 changer transitions 0/242 dead transitions. [2021-03-26 15:24:26,764 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 242 transitions, 3055 flow [2021-03-26 15:24:26,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 15:24:26,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 15:24:26,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 214 transitions. [2021-03-26 15:24:26,765 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5156626506024097 [2021-03-26 15:24:26,766 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 214 transitions. [2021-03-26 15:24:26,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 214 transitions. [2021-03-26 15:24:26,766 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:24:26,766 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 214 transitions. [2021-03-26 15:24:26,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 42.8) internal successors, (214), 5 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:26,767 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 83.0) internal successors, (498), 6 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:26,767 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 83.0) internal successors, (498), 6 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:26,767 INFO L185 Difference]: Start difference. First operand has 52 places, 199 transitions, 2143 flow. Second operand 5 states and 214 transitions. [2021-03-26 15:24:26,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 242 transitions, 3055 flow [2021-03-26 15:24:26,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 242 transitions, 2989 flow, removed 30 selfloop flow, removed 1 redundant places. [2021-03-26 15:24:26,809 INFO L241 Difference]: Finished difference. Result has 56 places, 221 transitions, 2586 flow [2021-03-26 15:24:26,810 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=2093, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2586, PETRI_PLACES=56, PETRI_TRANSITIONS=221} [2021-03-26 15:24:26,810 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 16 predicate places. [2021-03-26 15:24:26,810 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:24:26,810 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 221 transitions, 2586 flow [2021-03-26 15:24:26,810 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 221 transitions, 2586 flow [2021-03-26 15:24:26,812 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 221 transitions, 2586 flow [2021-03-26 15:24:27,065 INFO L129 PetriNetUnfolder]: 2150/3632 cut-off events. [2021-03-26 15:24:27,065 INFO L130 PetriNetUnfolder]: For 10435/10955 co-relation queries the response was YES. [2021-03-26 15:24:27,078 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17158 conditions, 3632 events. 2150/3632 cut-off events. For 10435/10955 co-relation queries the response was YES. Maximal size of possible extension queue 365. Compared 24382 event pairs, 214 based on Foata normal form. 160/3766 useless extension candidates. Maximal degree in co-relation 16956. Up to 2044 conditions per place. [2021-03-26 15:24:27,107 INFO L142 LiptonReduction]: Number of co-enabled transitions 964 [2021-03-26 15:24:28,487 INFO L154 LiptonReduction]: Checked pairs total: 1290 [2021-03-26 15:24:28,487 INFO L156 LiptonReduction]: Total number of compositions: 10 [2021-03-26 15:24:28,487 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1677 [2021-03-26 15:24:28,488 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 221 transitions, 2586 flow [2021-03-26 15:24:28,488 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 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 15:24:28,488 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:24:28,489 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:24:28,489 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 15:24:28,489 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:24:28,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:24:28,489 INFO L82 PathProgramCache]: Analyzing trace with hash -747476473, now seen corresponding path program 1 times [2021-03-26 15:24:28,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:24:28,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541639350] [2021-03-26 15:24:28,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:24:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:24:28,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:28,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:24:28,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:28,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:28,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:28,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:28,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:28,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:28,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:28,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:28,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:28,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:24:28,539 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 15:24:28,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541639350] [2021-03-26 15:24:28,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:24:28,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 15:24:28,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471154306] [2021-03-26 15:24:28,540 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 15:24:28,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:24:28,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 15:24:28,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-26 15:24:28,541 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 93 [2021-03-26 15:24:28,541 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 221 transitions, 2586 flow. Second operand has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:28,542 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:24:28,542 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 93 [2021-03-26 15:24:28,542 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:24:29,244 INFO L129 PetriNetUnfolder]: 3484/5490 cut-off events. [2021-03-26 15:24:29,244 INFO L130 PetriNetUnfolder]: For 19239/19705 co-relation queries the response was YES. [2021-03-26 15:24:29,257 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29473 conditions, 5490 events. 3484/5490 cut-off events. For 19239/19705 co-relation queries the response was YES. Maximal size of possible extension queue 501. Compared 35091 event pairs, 544 based on Foata normal form. 79/5557 useless extension candidates. Maximal degree in co-relation 29275. Up to 2472 conditions per place. [2021-03-26 15:24:29,280 INFO L132 encePairwiseOnDemand]: 50/93 looper letters, 28 selfloop transitions, 189 changer transitions 1/229 dead transitions. [2021-03-26 15:24:29,281 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 229 transitions, 3062 flow [2021-03-26 15:24:29,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 15:24:29,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 15:24:29,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 270 transitions. [2021-03-26 15:24:29,282 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4838709677419355 [2021-03-26 15:24:29,282 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 270 transitions. [2021-03-26 15:24:29,282 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 270 transitions. [2021-03-26 15:24:29,283 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:24:29,283 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 270 transitions. [2021-03-26 15:24:29,283 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 45.0) internal successors, (270), 6 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:29,284 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 93.0) internal successors, (651), 7 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:29,284 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 93.0) internal successors, (651), 7 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:29,285 INFO L185 Difference]: Start difference. First operand has 56 places, 221 transitions, 2586 flow. Second operand 6 states and 270 transitions. [2021-03-26 15:24:29,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 229 transitions, 3062 flow [2021-03-26 15:24:29,304 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 229 transitions, 2981 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 15:24:29,308 INFO L241 Difference]: Finished difference. Result has 59 places, 220 transitions, 2873 flow [2021-03-26 15:24:29,308 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=2495, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=189, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2873, PETRI_PLACES=59, PETRI_TRANSITIONS=220} [2021-03-26 15:24:29,308 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 19 predicate places. [2021-03-26 15:24:29,308 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:24:29,308 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 220 transitions, 2873 flow [2021-03-26 15:24:29,309 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 220 transitions, 2873 flow [2021-03-26 15:24:29,310 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 220 transitions, 2873 flow [2021-03-26 15:24:29,569 INFO L129 PetriNetUnfolder]: 2078/3551 cut-off events. [2021-03-26 15:24:29,569 INFO L130 PetriNetUnfolder]: For 12024/12503 co-relation queries the response was YES. [2021-03-26 15:24:29,580 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18795 conditions, 3551 events. 2078/3551 cut-off events. For 12024/12503 co-relation queries the response was YES. Maximal size of possible extension queue 354. Compared 23663 event pairs, 243 based on Foata normal form. 162/3698 useless extension candidates. Maximal degree in co-relation 18562. Up to 1980 conditions per place. [2021-03-26 15:24:29,605 INFO L142 LiptonReduction]: Number of co-enabled transitions 960 [2021-03-26 15:24:30,419 INFO L154 LiptonReduction]: Checked pairs total: 384 [2021-03-26 15:24:30,419 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 15:24:30,420 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1112 [2021-03-26 15:24:30,420 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 220 transitions, 2873 flow [2021-03-26 15:24:30,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:30,421 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:24:30,421 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:24:30,421 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 15:24:30,421 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:24:30,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:24:30,421 INFO L82 PathProgramCache]: Analyzing trace with hash 310432028, now seen corresponding path program 1 times [2021-03-26 15:24:30,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:24:30,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525940395] [2021-03-26 15:24:30,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:24:30,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:24:30,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:30,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:24:30,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:30,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:30,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:30,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:30,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:30,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:30,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:30,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:30,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:30,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:24:30,470 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 15:24:30,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525940395] [2021-03-26 15:24:30,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:24:30,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 15:24:30,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646082692] [2021-03-26 15:24:30,471 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 15:24:30,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:24:30,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 15:24:30,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-26 15:24:30,472 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 96 [2021-03-26 15:24:30,473 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 220 transitions, 2873 flow. Second operand has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 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 15:24:30,473 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:24:30,473 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 96 [2021-03-26 15:24:30,473 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:24:31,204 INFO L129 PetriNetUnfolder]: 3562/5633 cut-off events. [2021-03-26 15:24:31,204 INFO L130 PetriNetUnfolder]: For 25651/26533 co-relation queries the response was YES. [2021-03-26 15:24:31,217 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33215 conditions, 5633 events. 3562/5633 cut-off events. For 25651/26533 co-relation queries the response was YES. Maximal size of possible extension queue 517. Compared 36367 event pairs, 559 based on Foata normal form. 196/5811 useless extension candidates. Maximal degree in co-relation 33025. Up to 2559 conditions per place. [2021-03-26 15:24:31,238 INFO L132 encePairwiseOnDemand]: 50/96 looper letters, 32 selfloop transitions, 239 changer transitions 1/283 dead transitions. [2021-03-26 15:24:31,238 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 283 transitions, 4284 flow [2021-03-26 15:24:31,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 15:24:31,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 15:24:31,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 335 transitions. [2021-03-26 15:24:31,240 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49851190476190477 [2021-03-26 15:24:31,240 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 335 transitions. [2021-03-26 15:24:31,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 335 transitions. [2021-03-26 15:24:31,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:24:31,240 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 335 transitions. [2021-03-26 15:24:31,241 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 47.857142857142854) internal successors, (335), 7 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:31,242 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 96.0) internal successors, (768), 8 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:31,242 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 96.0) internal successors, (768), 8 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:31,243 INFO L185 Difference]: Start difference. First operand has 59 places, 220 transitions, 2873 flow. Second operand 7 states and 335 transitions. [2021-03-26 15:24:31,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 283 transitions, 4284 flow [2021-03-26 15:24:31,267 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 283 transitions, 3808 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-03-26 15:24:31,272 INFO L241 Difference]: Finished difference. Result has 62 places, 270 transitions, 3824 flow [2021-03-26 15:24:31,273 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=96, PETRI_DIFFERENCE_MINUEND_FLOW=2495, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=189, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3824, PETRI_PLACES=62, PETRI_TRANSITIONS=270} [2021-03-26 15:24:31,273 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 22 predicate places. [2021-03-26 15:24:31,273 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:24:31,273 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 270 transitions, 3824 flow [2021-03-26 15:24:31,273 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 270 transitions, 3824 flow [2021-03-26 15:24:31,275 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 270 transitions, 3824 flow [2021-03-26 15:24:31,546 INFO L129 PetriNetUnfolder]: 2104/3583 cut-off events. [2021-03-26 15:24:31,547 INFO L130 PetriNetUnfolder]: For 12376/12808 co-relation queries the response was YES. [2021-03-26 15:24:31,553 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20252 conditions, 3583 events. 2104/3583 cut-off events. For 12376/12808 co-relation queries the response was YES. Maximal size of possible extension queue 369. Compared 24100 event pairs, 228 based on Foata normal form. 187/3754 useless extension candidates. Maximal degree in co-relation 20054. Up to 2025 conditions per place. [2021-03-26 15:24:31,570 INFO L142 LiptonReduction]: Number of co-enabled transitions 976 [2021-03-26 15:24:32,268 INFO L154 LiptonReduction]: Checked pairs total: 256 [2021-03-26 15:24:32,268 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 15:24:32,268 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 995 [2021-03-26 15:24:32,269 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 269 transitions, 3824 flow [2021-03-26 15:24:32,269 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 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 15:24:32,269 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:24:32,269 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:24:32,270 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 15:24:32,270 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:24:32,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:24:32,270 INFO L82 PathProgramCache]: Analyzing trace with hash 1967614335, now seen corresponding path program 1 times [2021-03-26 15:24:32,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:24:32,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769405014] [2021-03-26 15:24:32,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:24:32,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:24:32,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:32,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:24:32,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:32,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:32,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:32,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:32,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:32,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:32,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:32,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:24:32,301 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 15:24:32,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769405014] [2021-03-26 15:24:32,301 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:24:32,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 15:24:32,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452060118] [2021-03-26 15:24:32,301 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 15:24:32,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:24:32,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 15:24:32,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-26 15:24:32,302 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 98 [2021-03-26 15:24:32,303 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 269 transitions, 3824 flow. Second operand has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:32,303 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:24:32,303 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 98 [2021-03-26 15:24:32,303 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:24:32,897 INFO L129 PetriNetUnfolder]: 2665/4345 cut-off events. [2021-03-26 15:24:32,897 INFO L130 PetriNetUnfolder]: For 18466/19007 co-relation queries the response was YES. [2021-03-26 15:24:32,905 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28136 conditions, 4345 events. 2665/4345 cut-off events. For 18466/19007 co-relation queries the response was YES. Maximal size of possible extension queue 425. Compared 28128 event pairs, 367 based on Foata normal form. 166/4500 useless extension candidates. Maximal degree in co-relation 27939. Up to 2195 conditions per place. [2021-03-26 15:24:32,926 INFO L132 encePairwiseOnDemand]: 54/98 looper letters, 80 selfloop transitions, 242 changer transitions 0/333 dead transitions. [2021-03-26 15:24:32,927 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 333 transitions, 5428 flow [2021-03-26 15:24:32,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 15:24:32,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 15:24:32,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 286 transitions. [2021-03-26 15:24:32,929 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48639455782312924 [2021-03-26 15:24:32,929 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 286 transitions. [2021-03-26 15:24:32,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 286 transitions. [2021-03-26 15:24:32,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:24:32,929 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 286 transitions. [2021-03-26 15:24:32,930 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 47.666666666666664) internal successors, (286), 6 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:32,931 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 98.0) internal successors, (686), 7 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:32,931 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 98.0) internal successors, (686), 7 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:32,931 INFO L185 Difference]: Start difference. First operand has 61 places, 269 transitions, 3824 flow. Second operand 6 states and 286 transitions. [2021-03-26 15:24:32,931 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 333 transitions, 5428 flow [2021-03-26 15:24:32,964 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 333 transitions, 5006 flow, removed 2 selfloop flow, removed 5 redundant places. [2021-03-26 15:24:32,969 INFO L241 Difference]: Finished difference. Result has 62 places, 319 transitions, 4842 flow [2021-03-26 15:24:32,970 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=3455, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=192, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4842, PETRI_PLACES=62, PETRI_TRANSITIONS=319} [2021-03-26 15:24:32,970 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 22 predicate places. [2021-03-26 15:24:32,970 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:24:32,970 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 319 transitions, 4842 flow [2021-03-26 15:24:32,971 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 319 transitions, 4842 flow [2021-03-26 15:24:32,973 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 319 transitions, 4842 flow [2021-03-26 15:24:33,238 INFO L129 PetriNetUnfolder]: 2200/3698 cut-off events. [2021-03-26 15:24:33,238 INFO L130 PetriNetUnfolder]: For 16438/16990 co-relation queries the response was YES. [2021-03-26 15:24:33,249 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21360 conditions, 3698 events. 2200/3698 cut-off events. For 16438/16990 co-relation queries the response was YES. Maximal size of possible extension queue 358. Compared 24432 event pairs, 203 based on Foata normal form. 213/3879 useless extension candidates. Maximal degree in co-relation 21139. Up to 2130 conditions per place. [2021-03-26 15:24:33,274 INFO L142 LiptonReduction]: Number of co-enabled transitions 766 [2021-03-26 15:24:33,449 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:24:33,449 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:24:33,449 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 479 [2021-03-26 15:24:33,450 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 319 transitions, 4842 flow [2021-03-26 15:24:33,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:33,450 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:24:33,451 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:24:33,451 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 15:24:33,451 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:24:33,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:24:33,451 INFO L82 PathProgramCache]: Analyzing trace with hash -580798755, now seen corresponding path program 1 times [2021-03-26 15:24:33,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:24:33,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461179716] [2021-03-26 15:24:33,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:24:33,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:24:33,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:33,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:24:33,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:33,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:33,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:33,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:33,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:33,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:24:33,476 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 15:24:33,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461179716] [2021-03-26 15:24:33,476 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:24:33,476 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 15:24:33,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104127428] [2021-03-26 15:24:33,477 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 15:24:33,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:24:33,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 15:24:33,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-26 15:24:33,478 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 98 [2021-03-26 15:24:33,478 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 319 transitions, 4842 flow. Second operand has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 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 15:24:33,478 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:24:33,478 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 98 [2021-03-26 15:24:33,478 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:24:34,020 INFO L129 PetriNetUnfolder]: 2677/4349 cut-off events. [2021-03-26 15:24:34,020 INFO L130 PetriNetUnfolder]: For 21847/22305 co-relation queries the response was YES. [2021-03-26 15:24:34,060 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28666 conditions, 4349 events. 2677/4349 cut-off events. For 21847/22305 co-relation queries the response was YES. Maximal size of possible extension queue 429. Compared 28277 event pairs, 476 based on Foata normal form. 87/4423 useless extension candidates. Maximal degree in co-relation 28505. Up to 3698 conditions per place. [2021-03-26 15:24:34,080 INFO L132 encePairwiseOnDemand]: 67/98 looper letters, 180 selfloop transitions, 174 changer transitions 0/365 dead transitions. [2021-03-26 15:24:34,080 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 365 transitions, 6271 flow [2021-03-26 15:24:34,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 15:24:34,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 15:24:34,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 235 transitions. [2021-03-26 15:24:34,081 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47959183673469385 [2021-03-26 15:24:34,081 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 235 transitions. [2021-03-26 15:24:34,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 235 transitions. [2021-03-26 15:24:34,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:24:34,082 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 235 transitions. [2021-03-26 15:24:34,082 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 47.0) internal successors, (235), 5 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:34,083 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 98.0) internal successors, (588), 6 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:34,083 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 98.0) internal successors, (588), 6 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:34,084 INFO L185 Difference]: Start difference. First operand has 62 places, 319 transitions, 4842 flow. Second operand 5 states and 235 transitions. [2021-03-26 15:24:34,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 365 transitions, 6271 flow [2021-03-26 15:24:34,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 365 transitions, 5977 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 15:24:34,116 INFO L241 Difference]: Finished difference. Result has 64 places, 349 transitions, 5555 flow [2021-03-26 15:24:34,117 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=4578, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=319, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=144, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=5555, PETRI_PLACES=64, PETRI_TRANSITIONS=349} [2021-03-26 15:24:34,117 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 24 predicate places. [2021-03-26 15:24:34,117 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:24:34,117 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 349 transitions, 5555 flow [2021-03-26 15:24:34,118 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 349 transitions, 5555 flow [2021-03-26 15:24:34,120 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 349 transitions, 5555 flow [2021-03-26 15:24:34,357 INFO L129 PetriNetUnfolder]: 2197/3724 cut-off events. [2021-03-26 15:24:34,357 INFO L130 PetriNetUnfolder]: For 18681/19211 co-relation queries the response was YES. [2021-03-26 15:24:34,366 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20566 conditions, 3724 events. 2197/3724 cut-off events. For 18681/19211 co-relation queries the response was YES. Maximal size of possible extension queue 357. Compared 24924 event pairs, 202 based on Foata normal form. 241/3931 useless extension candidates. Maximal degree in co-relation 20341. Up to 2132 conditions per place. [2021-03-26 15:24:34,386 INFO L142 LiptonReduction]: Number of co-enabled transitions 784 [2021-03-26 15:24:34,466 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:24:34,466 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:24:34,466 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 349 [2021-03-26 15:24:34,467 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 349 transitions, 5555 flow [2021-03-26 15:24:34,467 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 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 15:24:34,467 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:24:34,467 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:24:34,467 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 15:24:34,467 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:24:34,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:24:34,468 INFO L82 PathProgramCache]: Analyzing trace with hash 235269941, now seen corresponding path program 2 times [2021-03-26 15:24:34,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:24:34,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181418412] [2021-03-26 15:24:34,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:24:34,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:24:34,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:34,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:24:34,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:34,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:34,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:34,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:34,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:34,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:24:34,492 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 15:24:34,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181418412] [2021-03-26 15:24:34,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:24:34,493 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 15:24:34,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209678133] [2021-03-26 15:24:34,493 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 15:24:34,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:24:34,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 15:24:34,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-26 15:24:34,494 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 98 [2021-03-26 15:24:34,494 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 349 transitions, 5555 flow. Second operand has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 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 15:24:34,494 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:24:34,494 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 98 [2021-03-26 15:24:34,494 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:24:35,056 INFO L129 PetriNetUnfolder]: 2648/4324 cut-off events. [2021-03-26 15:24:35,056 INFO L130 PetriNetUnfolder]: For 23837/24341 co-relation queries the response was YES. [2021-03-26 15:24:35,065 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27714 conditions, 4324 events. 2648/4324 cut-off events. For 23837/24341 co-relation queries the response was YES. Maximal size of possible extension queue 406. Compared 28121 event pairs, 444 based on Foata normal form. 107/4420 useless extension candidates. Maximal degree in co-relation 27570. Up to 3652 conditions per place. [2021-03-26 15:24:35,083 INFO L132 encePairwiseOnDemand]: 67/98 looper letters, 180 selfloop transitions, 194 changer transitions 1/386 dead transitions. [2021-03-26 15:24:35,083 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 386 transitions, 6899 flow [2021-03-26 15:24:35,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 15:24:35,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 15:24:35,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 226 transitions. [2021-03-26 15:24:35,085 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46122448979591835 [2021-03-26 15:24:35,085 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 226 transitions. [2021-03-26 15:24:35,085 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 226 transitions. [2021-03-26 15:24:35,085 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:24:35,085 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 226 transitions. [2021-03-26 15:24:35,086 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 45.2) internal successors, (226), 5 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:35,086 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 98.0) internal successors, (588), 6 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:35,087 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 98.0) internal successors, (588), 6 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:35,087 INFO L185 Difference]: Start difference. First operand has 64 places, 349 transitions, 5555 flow. Second operand 5 states and 226 transitions. [2021-03-26 15:24:35,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 386 transitions, 6899 flow [2021-03-26 15:24:35,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 386 transitions, 6706 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 15:24:35,122 INFO L241 Difference]: Finished difference. Result has 67 places, 372 transitions, 6305 flow [2021-03-26 15:24:35,122 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=5305, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=166, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=6305, PETRI_PLACES=67, PETRI_TRANSITIONS=372} [2021-03-26 15:24:35,122 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 27 predicate places. [2021-03-26 15:24:35,123 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:24:35,123 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 372 transitions, 6305 flow [2021-03-26 15:24:35,123 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 372 transitions, 6305 flow [2021-03-26 15:24:35,126 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 372 transitions, 6305 flow [2021-03-26 15:24:35,374 INFO L129 PetriNetUnfolder]: 2136/3589 cut-off events. [2021-03-26 15:24:35,375 INFO L130 PetriNetUnfolder]: For 18415/18917 co-relation queries the response was YES. [2021-03-26 15:24:35,382 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20028 conditions, 3589 events. 2136/3589 cut-off events. For 18415/18917 co-relation queries the response was YES. Maximal size of possible extension queue 357. Compared 23850 event pairs, 268 based on Foata normal form. 219/3775 useless extension candidates. Maximal degree in co-relation 19824. Up to 2092 conditions per place. [2021-03-26 15:24:35,397 INFO L142 LiptonReduction]: Number of co-enabled transitions 770 [2021-03-26 15:24:35,640 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:24:35,641 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:24:35,641 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 518 [2021-03-26 15:24:35,641 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 372 transitions, 6305 flow [2021-03-26 15:24:35,641 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 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 15:24:35,641 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:24:35,642 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:24:35,642 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 15:24:35,642 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:24:35,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:24:35,642 INFO L82 PathProgramCache]: Analyzing trace with hash -1169912521, now seen corresponding path program 3 times [2021-03-26 15:24:35,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:24:35,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866751730] [2021-03-26 15:24:35,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:24:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:24:35,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:35,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:24:35,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:35,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:35,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:35,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:35,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:35,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:35,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:35,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:35,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:35,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:24:35,678 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 15:24:35,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866751730] [2021-03-26 15:24:35,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:24:35,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 15:24:35,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942440330] [2021-03-26 15:24:35,679 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 15:24:35,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:24:35,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 15:24:35,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-26 15:24:35,680 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 98 [2021-03-26 15:24:35,680 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 372 transitions, 6305 flow. Second operand has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 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 15:24:35,680 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:24:35,680 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 98 [2021-03-26 15:24:35,680 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:24:36,348 INFO L129 PetriNetUnfolder]: 2595/4302 cut-off events. [2021-03-26 15:24:36,348 INFO L130 PetriNetUnfolder]: For 22957/23454 co-relation queries the response was YES. [2021-03-26 15:24:36,357 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27733 conditions, 4302 events. 2595/4302 cut-off events. For 22957/23454 co-relation queries the response was YES. Maximal size of possible extension queue 422. Compared 28357 event pairs, 432 based on Foata normal form. 124/4420 useless extension candidates. Maximal degree in co-relation 27510. Up to 2189 conditions per place. [2021-03-26 15:24:36,371 INFO L132 encePairwiseOnDemand]: 51/98 looper letters, 30 selfloop transitions, 387 changer transitions 0/428 dead transitions. [2021-03-26 15:24:36,371 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 428 transitions, 8180 flow [2021-03-26 15:24:36,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 15:24:36,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 15:24:36,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 314 transitions. [2021-03-26 15:24:36,385 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4577259475218659 [2021-03-26 15:24:36,385 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 314 transitions. [2021-03-26 15:24:36,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 314 transitions. [2021-03-26 15:24:36,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:24:36,385 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 314 transitions. [2021-03-26 15:24:36,386 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 44.857142857142854) internal successors, (314), 7 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 15:24:36,387 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 98.0) internal successors, (784), 8 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:36,387 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 98.0) internal successors, (784), 8 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:36,387 INFO L185 Difference]: Start difference. First operand has 67 places, 372 transitions, 6305 flow. Second operand 7 states and 314 transitions. [2021-03-26 15:24:36,388 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 428 transitions, 8180 flow [2021-03-26 15:24:36,419 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 428 transitions, 7954 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 15:24:36,427 INFO L241 Difference]: Finished difference. Result has 73 places, 420 transitions, 8125 flow [2021-03-26 15:24:36,427 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=5955, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=331, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=8125, PETRI_PLACES=73, PETRI_TRANSITIONS=420} [2021-03-26 15:24:36,428 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 33 predicate places. [2021-03-26 15:24:36,428 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:24:36,428 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 420 transitions, 8125 flow [2021-03-26 15:24:36,428 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 420 transitions, 8125 flow [2021-03-26 15:24:36,432 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 420 transitions, 8125 flow [2021-03-26 15:24:36,710 INFO L129 PetriNetUnfolder]: 2161/3677 cut-off events. [2021-03-26 15:24:36,710 INFO L130 PetriNetUnfolder]: For 23775/24050 co-relation queries the response was YES. [2021-03-26 15:24:36,719 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24131 conditions, 3677 events. 2161/3677 cut-off events. For 23775/24050 co-relation queries the response was YES. Maximal size of possible extension queue 363. Compared 24608 event pairs, 221 based on Foata normal form. 192/3862 useless extension candidates. Maximal degree in co-relation 23905. Up to 2108 conditions per place. [2021-03-26 15:24:36,737 INFO L142 LiptonReduction]: Number of co-enabled transitions 782 [2021-03-26 15:24:37,047 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:24:37,047 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:24:37,047 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 619 [2021-03-26 15:24:37,048 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 420 transitions, 8125 flow [2021-03-26 15:24:37,048 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 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 15:24:37,048 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:24:37,048 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:24:37,048 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 15:24:37,048 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:24:37,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:24:37,049 INFO L82 PathProgramCache]: Analyzing trace with hash 468203887, now seen corresponding path program 4 times [2021-03-26 15:24:37,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:24:37,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157679107] [2021-03-26 15:24:37,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:24:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:24:37,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:37,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:24:37,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:37,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:37,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:37,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:24:37,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:37,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:37,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:37,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:37,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:37,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:24:37,083 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 15:24:37,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157679107] [2021-03-26 15:24:37,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:24:37,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 15:24:37,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352148054] [2021-03-26 15:24:37,084 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 15:24:37,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:24:37,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 15:24:37,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-26 15:24:37,085 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 98 [2021-03-26 15:24:37,085 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 420 transitions, 8125 flow. Second operand has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:37,085 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:24:37,085 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 98 [2021-03-26 15:24:37,085 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:24:37,684 INFO L129 PetriNetUnfolder]: 2365/4059 cut-off events. [2021-03-26 15:24:37,684 INFO L130 PetriNetUnfolder]: For 23078/23288 co-relation queries the response was YES. [2021-03-26 15:24:37,694 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27521 conditions, 4059 events. 2365/4059 cut-off events. For 23078/23288 co-relation queries the response was YES. Maximal size of possible extension queue 369. Compared 27334 event pairs, 299 based on Foata normal form. 192/4249 useless extension candidates. Maximal degree in co-relation 27323. Up to 2025 conditions per place. [2021-03-26 15:24:37,711 INFO L132 encePairwiseOnDemand]: 62/98 looper letters, 99 selfloop transitions, 327 changer transitions 0/437 dead transitions. [2021-03-26 15:24:37,712 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 437 transitions, 8596 flow [2021-03-26 15:24:37,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 15:24:37,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 15:24:37,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 262 transitions. [2021-03-26 15:24:37,713 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.445578231292517 [2021-03-26 15:24:37,713 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 262 transitions. [2021-03-26 15:24:37,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 262 transitions. [2021-03-26 15:24:37,713 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:24:37,713 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 262 transitions. [2021-03-26 15:24:37,714 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 43.666666666666664) internal successors, (262), 6 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 15:24:37,715 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 98.0) internal successors, (686), 7 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:37,715 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 98.0) internal successors, (686), 7 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:37,715 INFO L185 Difference]: Start difference. First operand has 73 places, 420 transitions, 8125 flow. Second operand 6 states and 262 transitions. [2021-03-26 15:24:37,715 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 437 transitions, 8596 flow [2021-03-26 15:24:37,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 437 transitions, 7717 flow, removed 220 selfloop flow, removed 4 redundant places. [2021-03-26 15:24:37,768 INFO L241 Difference]: Finished difference. Result has 77 places, 414 transitions, 7911 flow [2021-03-26 15:24:37,768 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=5441, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=260, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=7911, PETRI_PLACES=77, PETRI_TRANSITIONS=414} [2021-03-26 15:24:37,769 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 37 predicate places. [2021-03-26 15:24:37,769 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:24:37,769 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 414 transitions, 7911 flow [2021-03-26 15:24:37,769 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 414 transitions, 7911 flow [2021-03-26 15:24:37,773 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 414 transitions, 7911 flow [2021-03-26 15:24:38,048 INFO L129 PetriNetUnfolder]: 2044/3626 cut-off events. [2021-03-26 15:24:38,048 INFO L130 PetriNetUnfolder]: For 27789/28256 co-relation queries the response was YES. [2021-03-26 15:24:38,057 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24087 conditions, 3626 events. 2044/3626 cut-off events. For 27789/28256 co-relation queries the response was YES. Maximal size of possible extension queue 341. Compared 25117 event pairs, 233 based on Foata normal form. 166/3787 useless extension candidates. Maximal degree in co-relation 23879. Up to 1813 conditions per place. [2021-03-26 15:24:38,075 INFO L142 LiptonReduction]: Number of co-enabled transitions 728 [2021-03-26 15:24:38,214 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:24:38,214 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:24:38,214 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 445 [2021-03-26 15:24:38,214 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 414 transitions, 7911 flow [2021-03-26 15:24:38,215 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:38,215 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:24:38,215 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:24:38,215 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 15:24:38,215 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:24:38,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:24:38,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1475342847, now seen corresponding path program 1 times [2021-03-26 15:24:38,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:24:38,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270820507] [2021-03-26 15:24:38,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:24:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:24:38,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:38,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:24:38,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:38,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:38,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:38,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:38,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:38,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:38,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:38,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:38,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:38,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:38,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:38,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:38,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:38,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:38,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:38,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:38,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:38,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:24:38,255 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 15:24:38,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270820507] [2021-03-26 15:24:38,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:24:38,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 15:24:38,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683343747] [2021-03-26 15:24:38,255 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 15:24:38,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:24:38,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 15:24:38,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-26 15:24:38,256 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 98 [2021-03-26 15:24:38,257 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 414 transitions, 7911 flow. Second operand has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 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 15:24:38,257 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:24:38,257 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 98 [2021-03-26 15:24:38,257 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:24:38,968 INFO L129 PetriNetUnfolder]: 2554/4419 cut-off events. [2021-03-26 15:24:38,968 INFO L130 PetriNetUnfolder]: For 33099/33840 co-relation queries the response was YES. [2021-03-26 15:24:38,979 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34254 conditions, 4419 events. 2554/4419 cut-off events. For 33099/33840 co-relation queries the response was YES. Maximal size of possible extension queue 430. Compared 30645 event pairs, 359 based on Foata normal form. 230/4643 useless extension candidates. Maximal degree in co-relation 34042. Up to 2418 conditions per place. [2021-03-26 15:24:38,996 INFO L132 encePairwiseOnDemand]: 64/98 looper letters, 129 selfloop transitions, 353 changer transitions 0/493 dead transitions. [2021-03-26 15:24:38,996 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 493 transitions, 10347 flow [2021-03-26 15:24:38,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 15:24:38,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 15:24:38,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 342 transitions. [2021-03-26 15:24:38,997 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4362244897959184 [2021-03-26 15:24:38,997 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 342 transitions. [2021-03-26 15:24:38,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 342 transitions. [2021-03-26 15:24:38,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:24:38,998 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 342 transitions. [2021-03-26 15:24:38,998 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 42.75) internal successors, (342), 8 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:38,999 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 98.0) internal successors, (882), 9 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 15:24:39,000 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 98.0) internal successors, (882), 9 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 15:24:39,000 INFO L185 Difference]: Start difference. First operand has 77 places, 414 transitions, 7911 flow. Second operand 8 states and 342 transitions. [2021-03-26 15:24:39,000 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 493 transitions, 10347 flow [2021-03-26 15:24:39,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 493 transitions, 10194 flow, removed 46 selfloop flow, removed 2 redundant places. [2021-03-26 15:24:39,077 INFO L241 Difference]: Finished difference. Result has 84 places, 464 transitions, 9764 flow [2021-03-26 15:24:39,077 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=7772, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=414, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=303, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=9764, PETRI_PLACES=84, PETRI_TRANSITIONS=464} [2021-03-26 15:24:39,078 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 44 predicate places. [2021-03-26 15:24:39,078 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:24:39,078 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 464 transitions, 9764 flow [2021-03-26 15:24:39,078 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 464 transitions, 9764 flow [2021-03-26 15:24:39,082 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 464 transitions, 9764 flow [2021-03-26 15:24:39,436 INFO L129 PetriNetUnfolder]: 2233/3925 cut-off events. [2021-03-26 15:24:39,436 INFO L130 PetriNetUnfolder]: For 32140/32397 co-relation queries the response was YES. [2021-03-26 15:24:39,446 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28319 conditions, 3925 events. 2233/3925 cut-off events. For 32140/32397 co-relation queries the response was YES. Maximal size of possible extension queue 391. Compared 27452 event pairs, 186 based on Foata normal form. 166/4089 useless extension candidates. Maximal degree in co-relation 28113. Up to 1883 conditions per place. [2021-03-26 15:24:39,502 INFO L142 LiptonReduction]: Number of co-enabled transitions 778 [2021-03-26 15:24:39,789 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:24:39,789 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:24:39,789 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 711 [2021-03-26 15:24:39,790 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 464 transitions, 9764 flow [2021-03-26 15:24:39,790 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 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 15:24:39,790 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:24:39,790 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:24:39,790 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 15:24:39,790 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:24:39,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:24:39,791 INFO L82 PathProgramCache]: Analyzing trace with hash -283688375, now seen corresponding path program 5 times [2021-03-26 15:24:39,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:24:39,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210128117] [2021-03-26 15:24:39,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:24:39,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:24:39,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:39,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:24:39,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:39,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:39,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:39,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:24:39,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:39,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:39,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:39,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:39,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:39,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:39,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:39,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:39,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:39,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:24:39,832 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 15:24:39,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210128117] [2021-03-26 15:24:39,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:24:39,833 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 15:24:39,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542839011] [2021-03-26 15:24:39,833 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 15:24:39,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:24:39,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 15:24:39,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-26 15:24:39,834 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 98 [2021-03-26 15:24:39,834 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 464 transitions, 9764 flow. Second operand has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 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 15:24:39,834 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:24:39,834 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 98 [2021-03-26 15:24:39,834 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:24:40,622 INFO L129 PetriNetUnfolder]: 2720/4857 cut-off events. [2021-03-26 15:24:40,622 INFO L130 PetriNetUnfolder]: For 40407/40617 co-relation queries the response was YES. [2021-03-26 15:24:40,634 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38262 conditions, 4857 events. 2720/4857 cut-off events. For 40407/40617 co-relation queries the response was YES. Maximal size of possible extension queue 475. Compared 35481 event pairs, 75 based on Foata normal form. 96/4951 useless extension candidates. Maximal degree in co-relation 37994. Up to 2135 conditions per place. [2021-03-26 15:24:40,652 INFO L132 encePairwiseOnDemand]: 62/98 looper letters, 56 selfloop transitions, 502 changer transitions 0/569 dead transitions. [2021-03-26 15:24:40,652 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 569 transitions, 12245 flow [2021-03-26 15:24:40,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 15:24:40,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 15:24:40,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-03-26 15:24:40,653 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.446064139941691 [2021-03-26 15:24:40,653 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-03-26 15:24:40,653 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-03-26 15:24:40,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:24:40,654 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-03-26 15:24:40,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.714285714285715) internal successors, (306), 7 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:40,655 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 98.0) internal successors, (784), 8 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:40,656 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 98.0) internal successors, (784), 8 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:40,656 INFO L185 Difference]: Start difference. First operand has 84 places, 464 transitions, 9764 flow. Second operand 7 states and 306 transitions. [2021-03-26 15:24:40,656 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 569 transitions, 12245 flow [2021-03-26 15:24:40,754 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 569 transitions, 11748 flow, removed 51 selfloop flow, removed 3 redundant places. [2021-03-26 15:24:40,763 INFO L241 Difference]: Finished difference. Result has 90 places, 543 transitions, 12128 flow [2021-03-26 15:24:40,763 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=9318, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=464, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=433, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=12128, PETRI_PLACES=90, PETRI_TRANSITIONS=543} [2021-03-26 15:24:40,763 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 50 predicate places. [2021-03-26 15:24:40,764 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:24:40,764 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 543 transitions, 12128 flow [2021-03-26 15:24:40,764 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 543 transitions, 12128 flow [2021-03-26 15:24:40,769 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 543 transitions, 12128 flow [2021-03-26 15:24:41,248 INFO L129 PetriNetUnfolder]: 2398/4357 cut-off events. [2021-03-26 15:24:41,249 INFO L130 PetriNetUnfolder]: For 48465/48782 co-relation queries the response was YES. [2021-03-26 15:24:41,260 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35231 conditions, 4357 events. 2398/4357 cut-off events. For 48465/48782 co-relation queries the response was YES. Maximal size of possible extension queue 429. Compared 32071 event pairs, 102 based on Foata normal form. 206/4560 useless extension candidates. Maximal degree in co-relation 34953. Up to 1881 conditions per place. [2021-03-26 15:24:41,295 INFO L142 LiptonReduction]: Number of co-enabled transitions 958 [2021-03-26 15:24:41,983 INFO L154 LiptonReduction]: Checked pairs total: 84 [2021-03-26 15:24:41,984 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 15:24:41,984 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1220 [2021-03-26 15:24:41,984 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 542 transitions, 12121 flow [2021-03-26 15:24:41,984 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 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 15:24:41,984 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:24:41,984 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:24:41,985 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-26 15:24:41,985 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:24:41,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:24:41,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1187984549, now seen corresponding path program 1 times [2021-03-26 15:24:41,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:24:41,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879917121] [2021-03-26 15:24:41,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:24:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:24:41,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:41,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:24:42,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:42,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:42,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:42,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:42,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:42,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:42,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:42,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:42,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:42,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:24:42,017 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 15:24:42,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879917121] [2021-03-26 15:24:42,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:24:42,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 15:24:42,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502742098] [2021-03-26 15:24:42,017 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 15:24:42,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:24:42,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 15:24:42,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-26 15:24:42,018 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 99 [2021-03-26 15:24:42,018 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 542 transitions, 12121 flow. Second operand has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:42,018 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:24:42,018 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 99 [2021-03-26 15:24:42,018 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:24:42,994 INFO L129 PetriNetUnfolder]: 2747/4976 cut-off events. [2021-03-26 15:24:42,995 INFO L130 PetriNetUnfolder]: For 58401/58999 co-relation queries the response was YES. [2021-03-26 15:24:43,007 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45027 conditions, 4976 events. 2747/4976 cut-off events. For 58401/58999 co-relation queries the response was YES. Maximal size of possible extension queue 517. Compared 37287 event pairs, 175 based on Foata normal form. 228/5200 useless extension candidates. Maximal degree in co-relation 44752. Up to 2741 conditions per place. [2021-03-26 15:24:43,026 INFO L132 encePairwiseOnDemand]: 66/99 looper letters, 177 selfloop transitions, 413 changer transitions 0/601 dead transitions. [2021-03-26 15:24:43,026 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 601 transitions, 14610 flow [2021-03-26 15:24:43,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 15:24:43,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 15:24:43,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 258 transitions. [2021-03-26 15:24:43,028 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43434343434343436 [2021-03-26 15:24:43,028 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 258 transitions. [2021-03-26 15:24:43,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 258 transitions. [2021-03-26 15:24:43,028 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:24:43,028 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 258 transitions. [2021-03-26 15:24:43,028 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 43.0) internal successors, (258), 6 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 15:24:43,029 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 99.0) internal successors, (693), 7 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:43,029 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 99.0) internal successors, (693), 7 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:43,029 INFO L185 Difference]: Start difference. First operand has 90 places, 542 transitions, 12121 flow. Second operand 6 states and 258 transitions. [2021-03-26 15:24:43,029 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 601 transitions, 14610 flow [2021-03-26 15:24:43,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 601 transitions, 14004 flow, removed 78 selfloop flow, removed 3 redundant places. [2021-03-26 15:24:43,177 INFO L241 Difference]: Finished difference. Result has 92 places, 583 transitions, 13404 flow [2021-03-26 15:24:43,178 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=11558, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=541, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=371, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=13404, PETRI_PLACES=92, PETRI_TRANSITIONS=583} [2021-03-26 15:24:43,178 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 52 predicate places. [2021-03-26 15:24:43,178 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:24:43,178 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 583 transitions, 13404 flow [2021-03-26 15:24:43,178 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 583 transitions, 13404 flow [2021-03-26 15:24:43,182 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 92 places, 583 transitions, 13404 flow [2021-03-26 15:24:43,671 INFO L129 PetriNetUnfolder]: 2418/4426 cut-off events. [2021-03-26 15:24:43,671 INFO L130 PetriNetUnfolder]: For 56582/57073 co-relation queries the response was YES. [2021-03-26 15:24:43,685 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35518 conditions, 4426 events. 2418/4426 cut-off events. For 56582/57073 co-relation queries the response was YES. Maximal size of possible extension queue 481. Compared 32991 event pairs, 100 based on Foata normal form. 239/4662 useless extension candidates. Maximal degree in co-relation 35251. Up to 1835 conditions per place. [2021-03-26 15:24:43,720 INFO L142 LiptonReduction]: Number of co-enabled transitions 986 [2021-03-26 15:24:43,972 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:24:43,972 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:24:43,972 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 794 [2021-03-26 15:24:43,975 INFO L480 AbstractCegarLoop]: Abstraction has has 92 places, 583 transitions, 13404 flow [2021-03-26 15:24:43,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:43,975 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:24:43,975 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:24:43,976 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-26 15:24:43,976 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:24:43,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:24:43,976 INFO L82 PathProgramCache]: Analyzing trace with hash -535542841, now seen corresponding path program 1 times [2021-03-26 15:24:43,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:24:43,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114022676] [2021-03-26 15:24:43,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:24:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:24:43,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:43,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:24:43,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:43,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:43,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:43,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:44,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:44,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:44,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:44,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:44,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:44,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:44,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:44,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:24:44,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:44,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:44,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:44,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:24:44,017 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 15:24:44,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114022676] [2021-03-26 15:24:44,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:24:44,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 15:24:44,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762892748] [2021-03-26 15:24:44,017 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 15:24:44,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:24:44,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 15:24:44,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-03-26 15:24:44,018 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 99 [2021-03-26 15:24:44,018 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 583 transitions, 13404 flow. Second operand has 7 states, 7 states have (on average 31.571428571428573) internal successors, (221), 7 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 15:24:44,019 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:24:44,019 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 99 [2021-03-26 15:24:44,019 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:24:44,939 INFO L129 PetriNetUnfolder]: 2776/5102 cut-off events. [2021-03-26 15:24:44,940 INFO L130 PetriNetUnfolder]: For 57531/58152 co-relation queries the response was YES. [2021-03-26 15:24:44,955 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44738 conditions, 5102 events. 2776/5102 cut-off events. For 57531/58152 co-relation queries the response was YES. Maximal size of possible extension queue 522. Compared 38894 event pairs, 61 based on Foata normal form. 106/5204 useless extension candidates. Maximal degree in co-relation 44434. Up to 1906 conditions per place. [2021-03-26 15:24:44,976 INFO L132 encePairwiseOnDemand]: 64/99 looper letters, 26 selfloop transitions, 637 changer transitions 2/676 dead transitions. [2021-03-26 15:24:44,976 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 676 transitions, 15812 flow [2021-03-26 15:24:44,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 15:24:44,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 15:24:44,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 299 transitions. [2021-03-26 15:24:44,977 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4314574314574315 [2021-03-26 15:24:44,977 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 299 transitions. [2021-03-26 15:24:44,977 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 299 transitions. [2021-03-26 15:24:44,977 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:24:44,977 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 299 transitions. [2021-03-26 15:24:44,978 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 42.714285714285715) internal successors, (299), 7 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:44,979 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 99.0) internal successors, (792), 8 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 15:24:44,979 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 99.0) internal successors, (792), 8 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 15:24:44,979 INFO L185 Difference]: Start difference. First operand has 92 places, 583 transitions, 13404 flow. Second operand 7 states and 299 transitions. [2021-03-26 15:24:44,979 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 676 transitions, 15812 flow [2021-03-26 15:24:45,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 676 transitions, 15376 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 15:24:45,136 INFO L241 Difference]: Finished difference. Result has 96 places, 671 transitions, 15852 flow [2021-03-26 15:24:45,137 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=12968, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=583, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=562, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=15852, PETRI_PLACES=96, PETRI_TRANSITIONS=671} [2021-03-26 15:24:45,137 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 56 predicate places. [2021-03-26 15:24:45,137 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:24:45,137 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 96 places, 671 transitions, 15852 flow [2021-03-26 15:24:45,137 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 96 places, 671 transitions, 15852 flow [2021-03-26 15:24:45,143 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 671 transitions, 15852 flow [2021-03-26 15:24:45,717 INFO L129 PetriNetUnfolder]: 2447/4577 cut-off events. [2021-03-26 15:24:45,718 INFO L130 PetriNetUnfolder]: For 68669/69586 co-relation queries the response was YES. [2021-03-26 15:24:45,731 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40187 conditions, 4577 events. 2447/4577 cut-off events. For 68669/69586 co-relation queries the response was YES. Maximal size of possible extension queue 473. Compared 35104 event pairs, 65 based on Foata normal form. 234/4804 useless extension candidates. Maximal degree in co-relation 39882. Up to 1910 conditions per place. [2021-03-26 15:24:45,769 INFO L142 LiptonReduction]: Number of co-enabled transitions 1182 [2021-03-26 15:24:46,617 INFO L154 LiptonReduction]: Checked pairs total: 162 [2021-03-26 15:24:46,617 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 15:24:46,617 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1480 [2021-03-26 15:24:46,618 INFO L480 AbstractCegarLoop]: Abstraction has has 96 places, 669 transitions, 15819 flow [2021-03-26 15:24:46,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.571428571428573) internal successors, (221), 7 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 15:24:46,618 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:24:46,618 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:24:46,618 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-26 15:24:46,618 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:24:46,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:24:46,619 INFO L82 PathProgramCache]: Analyzing trace with hash -434613581, now seen corresponding path program 2 times [2021-03-26 15:24:46,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:24:46,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656906884] [2021-03-26 15:24:46,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:24:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:24:46,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:46,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:24:46,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:46,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:46,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:46,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:46,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:46,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:46,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:46,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:46,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:46,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:46,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:46,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:46,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:46,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:46,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:46,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:24:46,659 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 15:24:46,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656906884] [2021-03-26 15:24:46,659 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:24:46,659 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 15:24:46,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343451606] [2021-03-26 15:24:46,660 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 15:24:46,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:24:46,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 15:24:46,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 15:24:46,660 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 100 [2021-03-26 15:24:46,661 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 669 transitions, 15819 flow. Second operand has 7 states, 7 states have (on average 31.571428571428573) internal successors, (221), 7 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 15:24:46,661 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:24:46,661 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 100 [2021-03-26 15:24:46,661 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:24:47,888 INFO L129 PetriNetUnfolder]: 2748/5098 cut-off events. [2021-03-26 15:24:47,888 INFO L130 PetriNetUnfolder]: For 67356/67649 co-relation queries the response was YES. [2021-03-26 15:24:47,904 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49043 conditions, 5098 events. 2748/5098 cut-off events. For 67356/67649 co-relation queries the response was YES. Maximal size of possible extension queue 515. Compared 39021 event pairs, 95 based on Foata normal form. 74/5169 useless extension candidates. Maximal degree in co-relation 48721. Up to 1911 conditions per place. [2021-03-26 15:24:47,926 INFO L132 encePairwiseOnDemand]: 65/100 looper letters, 185 selfloop transitions, 598 changer transitions 0/794 dead transitions. [2021-03-26 15:24:47,927 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 794 transitions, 20207 flow [2021-03-26 15:24:47,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 15:24:47,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 15:24:47,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 309 transitions. [2021-03-26 15:24:47,928 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44142857142857145 [2021-03-26 15:24:47,928 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 309 transitions. [2021-03-26 15:24:47,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 309 transitions. [2021-03-26 15:24:47,928 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:24:47,928 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 309 transitions. [2021-03-26 15:24:47,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 44.142857142857146) internal successors, (309), 7 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 15:24:47,930 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 100.0) internal successors, (800), 8 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:47,930 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 100.0) internal successors, (800), 8 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:47,930 INFO L185 Difference]: Start difference. First operand has 96 places, 669 transitions, 15819 flow. Second operand 7 states and 309 transitions. [2021-03-26 15:24:47,930 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 794 transitions, 20207 flow [2021-03-26 15:24:48,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 794 transitions, 18868 flow, removed 149 selfloop flow, removed 3 redundant places. [2021-03-26 15:24:48,154 INFO L241 Difference]: Finished difference. Result has 102 places, 790 transitions, 19377 flow [2021-03-26 15:24:48,155 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=14700, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=669, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=477, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=19377, PETRI_PLACES=102, PETRI_TRANSITIONS=790} [2021-03-26 15:24:48,155 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 62 predicate places. [2021-03-26 15:24:48,155 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:24:48,155 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 790 transitions, 19377 flow [2021-03-26 15:24:48,156 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 790 transitions, 19377 flow [2021-03-26 15:24:48,164 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 790 transitions, 19377 flow [2021-03-26 15:24:48,854 INFO L129 PetriNetUnfolder]: 2420/4561 cut-off events. [2021-03-26 15:24:48,855 INFO L130 PetriNetUnfolder]: For 60195/60859 co-relation queries the response was YES. [2021-03-26 15:24:48,866 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41350 conditions, 4561 events. 2420/4561 cut-off events. For 60195/60859 co-relation queries the response was YES. Maximal size of possible extension queue 459. Compared 35327 event pairs, 30 based on Foata normal form. 228/4785 useless extension candidates. Maximal degree in co-relation 41018. Up to 1914 conditions per place. [2021-03-26 15:24:48,894 INFO L142 LiptonReduction]: Number of co-enabled transitions 1298 [2021-03-26 15:24:50,882 INFO L154 LiptonReduction]: Checked pairs total: 252 [2021-03-26 15:24:50,882 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 15:24:50,882 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2727 [2021-03-26 15:24:50,882 INFO L480 AbstractCegarLoop]: Abstraction has has 102 places, 787 transitions, 19325 flow [2021-03-26 15:24:50,883 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.571428571428573) internal successors, (221), 7 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 15:24:50,883 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:24:50,883 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:24:50,883 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-26 15:24:50,883 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:24:50,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:24:50,883 INFO L82 PathProgramCache]: Analyzing trace with hash -954809997, now seen corresponding path program 3 times [2021-03-26 15:24:50,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:24:50,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958164302] [2021-03-26 15:24:50,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:24:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:24:50,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:50,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:24:50,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:50,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:50,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:50,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:50,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:50,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:50,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:50,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:50,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:50,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:50,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:50,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:24:50,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:50,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:50,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:50,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:50,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:50,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:24:50,929 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 15:24:50,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958164302] [2021-03-26 15:24:50,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:24:50,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:24:50,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913834084] [2021-03-26 15:24:50,930 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 15:24:50,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:24:50,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 15:24:50,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-03-26 15:24:50,931 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-26 15:24:50,931 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 787 transitions, 19325 flow. Second operand has 8 states, 8 states have (on average 31.375) internal successors, (251), 8 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 15:24:50,931 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:24:50,931 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-26 15:24:50,931 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:24:52,485 INFO L129 PetriNetUnfolder]: 2653/5098 cut-off events. [2021-03-26 15:24:52,486 INFO L130 PetriNetUnfolder]: For 68266/68608 co-relation queries the response was YES. [2021-03-26 15:24:52,499 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50487 conditions, 5098 events. 2653/5098 cut-off events. For 68266/68608 co-relation queries the response was YES. Maximal size of possible extension queue 539. Compared 40655 event pairs, 13 based on Foata normal form. 321/5415 useless extension candidates. Maximal degree in co-relation 50181. Up to 1894 conditions per place. [2021-03-26 15:24:52,519 INFO L132 encePairwiseOnDemand]: 64/101 looper letters, 41 selfloop transitions, 820 changer transitions 19/891 dead transitions. [2021-03-26 15:24:52,519 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 891 transitions, 23146 flow [2021-03-26 15:24:52,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 15:24:52,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 15:24:52,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 389 transitions. [2021-03-26 15:24:52,529 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42794279427942794 [2021-03-26 15:24:52,529 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 389 transitions. [2021-03-26 15:24:52,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 389 transitions. [2021-03-26 15:24:52,529 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:24:52,529 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 389 transitions. [2021-03-26 15:24:52,530 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 43.22222222222222) internal successors, (389), 9 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:52,531 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:52,531 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:52,531 INFO L185 Difference]: Start difference. First operand has 102 places, 787 transitions, 19325 flow. Second operand 9 states and 389 transitions. [2021-03-26 15:24:52,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 891 transitions, 23146 flow [2021-03-26 15:24:52,721 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 891 transitions, 22719 flow, removed 24 selfloop flow, removed 3 redundant places. [2021-03-26 15:24:52,735 INFO L241 Difference]: Finished difference. Result has 107 places, 854 transitions, 21783 flow [2021-03-26 15:24:52,735 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=18517, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=767, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=715, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=21783, PETRI_PLACES=107, PETRI_TRANSITIONS=854} [2021-03-26 15:24:52,735 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 67 predicate places. [2021-03-26 15:24:52,736 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:24:52,736 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 854 transitions, 21783 flow [2021-03-26 15:24:52,736 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 107 places, 854 transitions, 21783 flow [2021-03-26 15:24:52,742 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 854 transitions, 21783 flow [2021-03-26 15:24:53,427 INFO L129 PetriNetUnfolder]: 2289/4474 cut-off events. [2021-03-26 15:24:53,428 INFO L130 PetriNetUnfolder]: For 64248/64865 co-relation queries the response was YES. [2021-03-26 15:24:53,439 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42883 conditions, 4474 events. 2289/4474 cut-off events. For 64248/64865 co-relation queries the response was YES. Maximal size of possible extension queue 485. Compared 36141 event pairs, 24 based on Foata normal form. 265/4736 useless extension candidates. Maximal degree in co-relation 42593. Up to 1866 conditions per place. [2021-03-26 15:24:53,513 INFO L142 LiptonReduction]: Number of co-enabled transitions 1384 [2021-03-26 15:24:53,694 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:24:53,694 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:24:53,694 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 958 [2021-03-26 15:24:53,695 INFO L480 AbstractCegarLoop]: Abstraction has has 107 places, 854 transitions, 21783 flow [2021-03-26 15:24:53,695 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.375) internal successors, (251), 8 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 15:24:53,695 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:24:53,695 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:24:53,695 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-26 15:24:53,696 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:24:53,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:24:53,696 INFO L82 PathProgramCache]: Analyzing trace with hash -849194149, now seen corresponding path program 1 times [2021-03-26 15:24:53,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:24:53,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141947939] [2021-03-26 15:24:53,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:24:53,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:24:53,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:53,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:24:53,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:53,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:53,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:53,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:53,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:53,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:53,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:53,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:53,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:53,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:53,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:53,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:24:53,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:53,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:53,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:53,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:53,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:53,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:24:53,735 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 15:24:53,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141947939] [2021-03-26 15:24:53,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:24:53,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:24:53,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811895771] [2021-03-26 15:24:53,735 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 15:24:53,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:24:53,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 15:24:53,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-03-26 15:24:53,736 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-26 15:24:53,737 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 854 transitions, 21783 flow. Second operand has 8 states, 8 states have (on average 31.375) internal successors, (251), 8 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 15:24:53,737 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:24:53,737 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-26 15:24:53,737 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:24:55,377 INFO L129 PetriNetUnfolder]: 2528/5001 cut-off events. [2021-03-26 15:24:55,377 INFO L130 PetriNetUnfolder]: For 67996/68350 co-relation queries the response was YES. [2021-03-26 15:24:55,394 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51998 conditions, 5001 events. 2528/5001 cut-off events. For 67996/68350 co-relation queries the response was YES. Maximal size of possible extension queue 546. Compared 41062 event pairs, 10 based on Foata normal form. 235/5232 useless extension candidates. Maximal degree in co-relation 51701. Up to 1803 conditions per place. [2021-03-26 15:24:55,417 INFO L132 encePairwiseOnDemand]: 66/101 looper letters, 41 selfloop transitions, 886 changer transitions 1/939 dead transitions. [2021-03-26 15:24:55,418 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 939 transitions, 25071 flow [2021-03-26 15:24:55,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 15:24:55,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 15:24:55,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 379 transitions. [2021-03-26 15:24:55,419 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41694169416941695 [2021-03-26 15:24:55,419 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 379 transitions. [2021-03-26 15:24:55,419 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 379 transitions. [2021-03-26 15:24:55,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:24:55,419 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 379 transitions. [2021-03-26 15:24:55,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 42.111111111111114) internal successors, (379), 9 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:55,421 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:55,421 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:55,421 INFO L185 Difference]: Start difference. First operand has 107 places, 854 transitions, 21783 flow. Second operand 9 states and 379 transitions. [2021-03-26 15:24:55,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 939 transitions, 25071 flow [2021-03-26 15:24:55,711 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 939 transitions, 23844 flow, removed 14 selfloop flow, removed 5 redundant places. [2021-03-26 15:24:55,732 INFO L241 Difference]: Finished difference. Result has 110 places, 920 transitions, 23528 flow [2021-03-26 15:24:55,733 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=20508, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=845, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=811, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=23528, PETRI_PLACES=110, PETRI_TRANSITIONS=920} [2021-03-26 15:24:55,733 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 70 predicate places. [2021-03-26 15:24:55,733 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:24:55,733 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 110 places, 920 transitions, 23528 flow [2021-03-26 15:24:55,733 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 110 places, 920 transitions, 23528 flow [2021-03-26 15:24:55,743 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 110 places, 920 transitions, 23528 flow [2021-03-26 15:24:56,609 INFO L129 PetriNetUnfolder]: 2192/4443 cut-off events. [2021-03-26 15:24:56,609 INFO L130 PetriNetUnfolder]: For 70174/71195 co-relation queries the response was YES. [2021-03-26 15:24:56,623 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42980 conditions, 4443 events. 2192/4443 cut-off events. For 70174/71195 co-relation queries the response was YES. Maximal size of possible extension queue 484. Compared 36807 event pairs, 18 based on Foata normal form. 277/4714 useless extension candidates. Maximal degree in co-relation 42666. Up to 1803 conditions per place. [2021-03-26 15:24:56,653 INFO L142 LiptonReduction]: Number of co-enabled transitions 1470 [2021-03-26 15:24:56,893 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:24:56,893 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:24:56,893 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1160 [2021-03-26 15:24:56,893 INFO L480 AbstractCegarLoop]: Abstraction has has 110 places, 920 transitions, 23528 flow [2021-03-26 15:24:56,894 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.375) internal successors, (251), 8 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 15:24:56,894 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:24:56,894 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:24:56,894 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-26 15:24:56,894 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:24:56,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:24:56,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1661751144, now seen corresponding path program 1 times [2021-03-26 15:24:56,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:24:56,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132069714] [2021-03-26 15:24:56,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:24:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:24:56,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:56,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:24:56,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:56,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:56,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:56,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:56,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:56,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:56,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:56,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:56,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:56,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:56,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:56,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:24:56,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:56,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:56,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:56,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:24:56,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:24:56,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:24:56,949 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 15:24:56,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132069714] [2021-03-26 15:24:56,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:24:56,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:24:56,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719078397] [2021-03-26 15:24:56,950 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 15:24:56,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:24:56,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 15:24:56,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-03-26 15:24:56,950 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-26 15:24:56,951 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 920 transitions, 23528 flow. Second operand has 8 states, 8 states have (on average 31.375) internal successors, (251), 8 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 15:24:56,951 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:24:56,951 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-26 15:24:56,951 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:24:58,497 INFO L129 PetriNetUnfolder]: 2249/4749 cut-off events. [2021-03-26 15:24:58,498 INFO L130 PetriNetUnfolder]: For 79691/80045 co-relation queries the response was YES. [2021-03-26 15:24:58,512 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49976 conditions, 4749 events. 2249/4749 cut-off events. For 79691/80045 co-relation queries the response was YES. Maximal size of possible extension queue 586. Compared 41434 event pairs, 6 based on Foata normal form. 466/5212 useless extension candidates. Maximal degree in co-relation 49701. Up to 1682 conditions per place. [2021-03-26 15:24:58,531 INFO L132 encePairwiseOnDemand]: 66/101 looper letters, 41 selfloop transitions, 954 changer transitions 19/1025 dead transitions. [2021-03-26 15:24:58,531 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 1025 transitions, 27750 flow [2021-03-26 15:24:58,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 15:24:58,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 15:24:58,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 386 transitions. [2021-03-26 15:24:58,533 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42464246424642466 [2021-03-26 15:24:58,533 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 386 transitions. [2021-03-26 15:24:58,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 386 transitions. [2021-03-26 15:24:58,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:24:58,533 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 386 transitions. [2021-03-26 15:24:58,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 42.888888888888886) internal successors, (386), 9 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:58,535 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:58,535 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:24:58,535 INFO L185 Difference]: Start difference. First operand has 110 places, 920 transitions, 23528 flow. Second operand 9 states and 386 transitions. [2021-03-26 15:24:58,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 1025 transitions, 27750 flow [2021-03-26 15:24:58,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 1025 transitions, 27283 flow, removed 16 selfloop flow, removed 4 redundant places. [2021-03-26 15:24:58,821 INFO L241 Difference]: Finished difference. Result has 114 places, 988 transitions, 26602 flow [2021-03-26 15:24:58,822 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=21661, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=870, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=823, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=26602, PETRI_PLACES=114, PETRI_TRANSITIONS=988} [2021-03-26 15:24:58,822 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 74 predicate places. [2021-03-26 15:24:58,822 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:24:58,822 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 114 places, 988 transitions, 26602 flow [2021-03-26 15:24:58,822 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 114 places, 988 transitions, 26602 flow [2021-03-26 15:24:58,834 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 114 places, 988 transitions, 26602 flow [2021-03-26 15:24:59,767 INFO L129 PetriNetUnfolder]: 1850/4080 cut-off events. [2021-03-26 15:24:59,768 INFO L130 PetriNetUnfolder]: For 68942/69674 co-relation queries the response was YES. [2021-03-26 15:24:59,779 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41490 conditions, 4080 events. 1850/4080 cut-off events. For 68942/69674 co-relation queries the response was YES. Maximal size of possible extension queue 517. Compared 36175 event pairs, 12 based on Foata normal form. 240/4315 useless extension candidates. Maximal degree in co-relation 41198. Up to 1553 conditions per place. [2021-03-26 15:24:59,808 INFO L142 LiptonReduction]: Number of co-enabled transitions 1416 [2021-03-26 15:24:59,988 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:24:59,988 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:24:59,988 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1166 [2021-03-26 15:24:59,988 INFO L480 AbstractCegarLoop]: Abstraction has has 114 places, 988 transitions, 26602 flow [2021-03-26 15:24:59,989 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.375) internal successors, (251), 8 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 15:24:59,989 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:24:59,989 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:24:59,989 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-26 15:24:59,989 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:24:59,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:24:59,989 INFO L82 PathProgramCache]: Analyzing trace with hash 105796612, now seen corresponding path program 2 times [2021-03-26 15:24:59,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:24:59,989 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536890086] [2021-03-26 15:24:59,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:24:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:25:00,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:00,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:25:00,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:00,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:00,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:00,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:00,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:00,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:00,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:00,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:00,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:00,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:00,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:00,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:25:00,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:00,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:00,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:00,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:00,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:00,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:25:00,034 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 15:25:00,035 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536890086] [2021-03-26 15:25:00,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:25:00,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:25:00,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437184876] [2021-03-26 15:25:00,035 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 15:25:00,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:25:00,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 15:25:00,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-03-26 15:25:00,036 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-26 15:25:00,036 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 988 transitions, 26602 flow. Second operand has 8 states, 8 states have (on average 31.375) internal successors, (251), 8 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 15:25:00,036 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:25:00,036 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-26 15:25:00,036 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:25:01,786 INFO L129 PetriNetUnfolder]: 1871/4195 cut-off events. [2021-03-26 15:25:01,787 INFO L130 PetriNetUnfolder]: For 77413/78822 co-relation queries the response was YES. [2021-03-26 15:25:01,799 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46768 conditions, 4195 events. 1871/4195 cut-off events. For 77413/78822 co-relation queries the response was YES. Maximal size of possible extension queue 592. Compared 38193 event pairs, 6 based on Foata normal form. 469/4659 useless extension candidates. Maximal degree in co-relation 46566. Up to 1508 conditions per place. [2021-03-26 15:25:01,815 INFO L132 encePairwiseOnDemand]: 66/101 looper letters, 41 selfloop transitions, 861 changer transitions 63/976 dead transitions. [2021-03-26 15:25:01,815 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 976 transitions, 28169 flow [2021-03-26 15:25:01,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 15:25:01,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 15:25:01,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 386 transitions. [2021-03-26 15:25:01,816 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42464246424642466 [2021-03-26 15:25:01,817 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 386 transitions. [2021-03-26 15:25:01,817 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 386 transitions. [2021-03-26 15:25:01,817 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:25:01,817 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 386 transitions. [2021-03-26 15:25:01,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 42.888888888888886) internal successors, (386), 9 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:01,819 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:01,819 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:01,819 INFO L185 Difference]: Start difference. First operand has 114 places, 988 transitions, 26602 flow. Second operand 9 states and 386 transitions. [2021-03-26 15:25:01,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 976 transitions, 28169 flow [2021-03-26 15:25:02,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 976 transitions, 27550 flow, removed 70 selfloop flow, removed 5 redundant places. [2021-03-26 15:25:02,100 INFO L241 Difference]: Finished difference. Result has 117 places, 895 transitions, 25986 flow [2021-03-26 15:25:02,100 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=24085, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=909, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=822, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=25986, PETRI_PLACES=117, PETRI_TRANSITIONS=895} [2021-03-26 15:25:02,101 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 77 predicate places. [2021-03-26 15:25:02,101 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:25:02,101 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 117 places, 895 transitions, 25986 flow [2021-03-26 15:25:02,101 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 117 places, 895 transitions, 25986 flow [2021-03-26 15:25:02,113 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 117 places, 895 transitions, 25986 flow [2021-03-26 15:25:02,773 INFO L129 PetriNetUnfolder]: 1343/3115 cut-off events. [2021-03-26 15:25:02,773 INFO L130 PetriNetUnfolder]: For 67318/68127 co-relation queries the response was YES. [2021-03-26 15:25:02,782 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34448 conditions, 3115 events. 1343/3115 cut-off events. For 67318/68127 co-relation queries the response was YES. Maximal size of possible extension queue 428. Compared 27519 event pairs, 6 based on Foata normal form. 139/3249 useless extension candidates. Maximal degree in co-relation 34249. Up to 1189 conditions per place. [2021-03-26 15:25:02,802 INFO L142 LiptonReduction]: Number of co-enabled transitions 944 [2021-03-26 15:25:02,992 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:25:02,992 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:25:02,992 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 891 [2021-03-26 15:25:02,992 INFO L480 AbstractCegarLoop]: Abstraction has has 117 places, 895 transitions, 25986 flow [2021-03-26 15:25:02,993 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.375) internal successors, (251), 8 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 15:25:02,993 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:25:02,993 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:25:02,993 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-26 15:25:02,993 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:25:02,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:25:02,993 INFO L82 PathProgramCache]: Analyzing trace with hash 1128237280, now seen corresponding path program 1 times [2021-03-26 15:25:02,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:25:02,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475454994] [2021-03-26 15:25:02,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:25:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:25:03,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:03,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:25:03,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:03,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:03,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:03,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:03,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:03,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:03,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:03,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:03,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:03,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:03,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:03,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:25:03,033 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 15:25:03,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475454994] [2021-03-26 15:25:03,033 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:25:03,033 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:25:03,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237799595] [2021-03-26 15:25:03,033 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 15:25:03,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:25:03,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 15:25:03,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-26 15:25:03,034 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-26 15:25:03,034 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 895 transitions, 25986 flow. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:03,034 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:25:03,034 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-26 15:25:03,034 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:25:04,454 INFO L129 PetriNetUnfolder]: 1533/3507 cut-off events. [2021-03-26 15:25:04,455 INFO L130 PetriNetUnfolder]: For 73983/74385 co-relation queries the response was YES. [2021-03-26 15:25:04,465 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42024 conditions, 3507 events. 1533/3507 cut-off events. For 73983/74385 co-relation queries the response was YES. Maximal size of possible extension queue 488. Compared 31154 event pairs, 26 based on Foata normal form. 142/3647 useless extension candidates. Maximal degree in co-relation 41823. Up to 1239 conditions per place. [2021-03-26 15:25:04,481 INFO L132 encePairwiseOnDemand]: 67/101 looper letters, 235 selfloop transitions, 704 changer transitions 0/950 dead transitions. [2021-03-26 15:25:04,481 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 950 transitions, 29280 flow [2021-03-26 15:25:04,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 15:25:04,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 15:25:04,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 376 transitions. [2021-03-26 15:25:04,482 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4136413641364136 [2021-03-26 15:25:04,482 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 376 transitions. [2021-03-26 15:25:04,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 376 transitions. [2021-03-26 15:25:04,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:25:04,482 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 376 transitions. [2021-03-26 15:25:04,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 41.77777777777778) internal successors, (376), 9 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:04,484 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:04,484 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:04,484 INFO L185 Difference]: Start difference. First operand has 117 places, 895 transitions, 25986 flow. Second operand 9 states and 376 transitions. [2021-03-26 15:25:04,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 950 transitions, 29280 flow [2021-03-26 15:25:04,688 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 950 transitions, 28910 flow, removed 10 selfloop flow, removed 4 redundant places. [2021-03-26 15:25:04,707 INFO L241 Difference]: Finished difference. Result has 121 places, 931 transitions, 28189 flow [2021-03-26 15:25:04,708 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=25626, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=895, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=668, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=28189, PETRI_PLACES=121, PETRI_TRANSITIONS=931} [2021-03-26 15:25:04,708 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 81 predicate places. [2021-03-26 15:25:04,708 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:25:04,708 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 121 places, 931 transitions, 28189 flow [2021-03-26 15:25:04,708 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 121 places, 931 transitions, 28189 flow [2021-03-26 15:25:04,717 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 121 places, 931 transitions, 28189 flow [2021-03-26 15:25:05,386 INFO L129 PetriNetUnfolder]: 1383/3218 cut-off events. [2021-03-26 15:25:05,386 INFO L130 PetriNetUnfolder]: For 73274/73562 co-relation queries the response was YES. [2021-03-26 15:25:05,396 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36582 conditions, 3218 events. 1383/3218 cut-off events. For 73274/73562 co-relation queries the response was YES. Maximal size of possible extension queue 453. Compared 28669 event pairs, 6 based on Foata normal form. 132/3349 useless extension candidates. Maximal degree in co-relation 36375. Up to 1239 conditions per place. [2021-03-26 15:25:05,416 INFO L142 LiptonReduction]: Number of co-enabled transitions 962 [2021-03-26 15:25:05,677 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:25:05,677 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:25:05,677 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 969 [2021-03-26 15:25:05,677 INFO L480 AbstractCegarLoop]: Abstraction has has 121 places, 931 transitions, 28189 flow [2021-03-26 15:25:05,677 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:05,677 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:25:05,677 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:25:05,678 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-26 15:25:05,678 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:25:05,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:25:05,678 INFO L82 PathProgramCache]: Analyzing trace with hash 1079624539, now seen corresponding path program 2 times [2021-03-26 15:25:05,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:25:05,678 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623201881] [2021-03-26 15:25:05,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:25:05,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:25:05,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:05,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:25:05,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:05,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:05,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:05,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:05,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:05,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:05,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:05,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:05,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:05,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:25:05,717 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 15:25:05,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623201881] [2021-03-26 15:25:05,717 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:25:05,717 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 15:25:05,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794761942] [2021-03-26 15:25:05,718 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 15:25:05,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:25:05,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 15:25:05,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-26 15:25:05,719 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-26 15:25:05,719 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 931 transitions, 28189 flow. Second operand has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 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 15:25:05,719 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:25:05,719 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-26 15:25:05,719 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:25:07,145 INFO L129 PetriNetUnfolder]: 1488/3533 cut-off events. [2021-03-26 15:25:07,145 INFO L130 PetriNetUnfolder]: For 81785/82198 co-relation queries the response was YES. [2021-03-26 15:25:07,156 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43372 conditions, 3533 events. 1488/3533 cut-off events. For 81785/82198 co-relation queries the response was YES. Maximal size of possible extension queue 508. Compared 32308 event pairs, 77 based on Foata normal form. 244/3775 useless extension candidates. Maximal degree in co-relation 43172. Up to 1782 conditions per place. [2021-03-26 15:25:07,172 INFO L132 encePairwiseOnDemand]: 69/101 looper letters, 395 selfloop transitions, 581 changer transitions 13/1000 dead transitions. [2021-03-26 15:25:07,173 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 1000 transitions, 32006 flow [2021-03-26 15:25:07,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 15:25:07,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 15:25:07,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 340 transitions. [2021-03-26 15:25:07,174 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4207920792079208 [2021-03-26 15:25:07,174 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 340 transitions. [2021-03-26 15:25:07,174 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 340 transitions. [2021-03-26 15:25:07,174 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:25:07,174 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 340 transitions. [2021-03-26 15:25:07,174 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 42.5) internal successors, (340), 8 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:07,175 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 101.0) internal successors, (909), 9 states have internal predecessors, (909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:07,175 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 101.0) internal successors, (909), 9 states have internal predecessors, (909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:07,175 INFO L185 Difference]: Start difference. First operand has 121 places, 931 transitions, 28189 flow. Second operand 8 states and 340 transitions. [2021-03-26 15:25:07,175 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 1000 transitions, 32006 flow [2021-03-26 15:25:07,434 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 1000 transitions, 30498 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-03-26 15:25:07,454 INFO L241 Difference]: Finished difference. Result has 122 places, 963 transitions, 28848 flow [2021-03-26 15:25:07,454 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=25993, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=909, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=517, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=392, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=28848, PETRI_PLACES=122, PETRI_TRANSITIONS=963} [2021-03-26 15:25:07,454 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 82 predicate places. [2021-03-26 15:25:07,454 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:25:07,455 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 963 transitions, 28848 flow [2021-03-26 15:25:07,455 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 963 transitions, 28848 flow [2021-03-26 15:25:07,463 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 122 places, 963 transitions, 28848 flow [2021-03-26 15:25:08,161 INFO L129 PetriNetUnfolder]: 1329/3188 cut-off events. [2021-03-26 15:25:08,161 INFO L130 PetriNetUnfolder]: For 71193/71934 co-relation queries the response was YES. [2021-03-26 15:25:08,170 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35673 conditions, 3188 events. 1329/3188 cut-off events. For 71193/71934 co-relation queries the response was YES. Maximal size of possible extension queue 453. Compared 28889 event pairs, 6 based on Foata normal form. 128/3311 useless extension candidates. Maximal degree in co-relation 35472. Up to 1198 conditions per place. [2021-03-26 15:25:08,190 INFO L142 LiptonReduction]: Number of co-enabled transitions 952 [2021-03-26 15:25:08,527 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:25:08,527 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:25:08,527 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1073 [2021-03-26 15:25:08,527 INFO L480 AbstractCegarLoop]: Abstraction has has 122 places, 963 transitions, 28848 flow [2021-03-26 15:25:08,527 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 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 15:25:08,528 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:25:08,528 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:25:08,528 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-26 15:25:08,528 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:25:08,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:25:08,528 INFO L82 PathProgramCache]: Analyzing trace with hash -1456267072, now seen corresponding path program 2 times [2021-03-26 15:25:08,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:25:08,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506340579] [2021-03-26 15:25:08,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:25:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:25:08,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:08,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:25:08,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:08,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:08,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:08,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:08,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:08,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:08,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:08,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:08,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:08,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:08,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:08,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:25:08,564 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 15:25:08,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506340579] [2021-03-26 15:25:08,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:25:08,564 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:25:08,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393211030] [2021-03-26 15:25:08,565 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 15:25:08,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:25:08,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 15:25:08,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-26 15:25:08,565 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-26 15:25:08,565 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 963 transitions, 28848 flow. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:08,565 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:25:08,565 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-26 15:25:08,565 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:25:09,987 INFO L129 PetriNetUnfolder]: 1474/3540 cut-off events. [2021-03-26 15:25:09,987 INFO L130 PetriNetUnfolder]: For 81534/81960 co-relation queries the response was YES. [2021-03-26 15:25:09,996 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42901 conditions, 3540 events. 1474/3540 cut-off events. For 81534/81960 co-relation queries the response was YES. Maximal size of possible extension queue 519. Compared 32684 event pairs, 26 based on Foata normal form. 152/3690 useless extension candidates. Maximal degree in co-relation 42699. Up to 1281 conditions per place. [2021-03-26 15:25:10,010 INFO L132 encePairwiseOnDemand]: 67/101 looper letters, 235 selfloop transitions, 781 changer transitions 7/1034 dead transitions. [2021-03-26 15:25:10,011 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 1034 transitions, 32984 flow [2021-03-26 15:25:10,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 15:25:10,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 15:25:10,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 384 transitions. [2021-03-26 15:25:10,012 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42244224422442245 [2021-03-26 15:25:10,012 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 384 transitions. [2021-03-26 15:25:10,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 384 transitions. [2021-03-26 15:25:10,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:25:10,012 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 384 transitions. [2021-03-26 15:25:10,013 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 42.666666666666664) internal successors, (384), 9 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 15:25:10,014 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:10,014 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:10,014 INFO L185 Difference]: Start difference. First operand has 122 places, 963 transitions, 28848 flow. Second operand 9 states and 384 transitions. [2021-03-26 15:25:10,014 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 1034 transitions, 32984 flow [2021-03-26 15:25:10,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 1034 transitions, 32899 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 15:25:10,306 INFO L241 Difference]: Finished difference. Result has 128 places, 1008 transitions, 31857 flow [2021-03-26 15:25:10,307 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=28709, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=961, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=734, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=31857, PETRI_PLACES=128, PETRI_TRANSITIONS=1008} [2021-03-26 15:25:10,307 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 88 predicate places. [2021-03-26 15:25:10,307 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:25:10,307 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 128 places, 1008 transitions, 31857 flow [2021-03-26 15:25:10,307 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 128 places, 1008 transitions, 31857 flow [2021-03-26 15:25:10,321 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 1008 transitions, 31857 flow [2021-03-26 15:25:11,100 INFO L129 PetriNetUnfolder]: 1333/3252 cut-off events. [2021-03-26 15:25:11,101 INFO L130 PetriNetUnfolder]: For 81079/81979 co-relation queries the response was YES. [2021-03-26 15:25:11,110 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38141 conditions, 3252 events. 1333/3252 cut-off events. For 81079/81979 co-relation queries the response was YES. Maximal size of possible extension queue 476. Compared 30187 event pairs, 6 based on Foata normal form. 131/3378 useless extension candidates. Maximal degree in co-relation 37939. Up to 1210 conditions per place. [2021-03-26 15:25:11,176 INFO L142 LiptonReduction]: Number of co-enabled transitions 956 [2021-03-26 15:25:11,501 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:25:11,502 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:25:11,502 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1195 [2021-03-26 15:25:11,502 INFO L480 AbstractCegarLoop]: Abstraction has has 128 places, 1008 transitions, 31857 flow [2021-03-26 15:25:11,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:11,502 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:25:11,502 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:25:11,503 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-26 15:25:11,503 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:25:11,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:25:11,503 INFO L82 PathProgramCache]: Analyzing trace with hash 59677752, now seen corresponding path program 3 times [2021-03-26 15:25:11,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:25:11,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57619464] [2021-03-26 15:25:11,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:25:11,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:25:11,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:11,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:25:11,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:11,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:11,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:11,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:11,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:11,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:11,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:11,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:11,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:11,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:25:11,543 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 15:25:11,543 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57619464] [2021-03-26 15:25:11,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:25:11,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 15:25:11,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827850141] [2021-03-26 15:25:11,543 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 15:25:11,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:25:11,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 15:25:11,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-26 15:25:11,544 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-26 15:25:11,544 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 1008 transitions, 31857 flow. Second operand has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 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 15:25:11,544 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:25:11,544 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-26 15:25:11,545 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:25:13,087 INFO L129 PetriNetUnfolder]: 1374/3436 cut-off events. [2021-03-26 15:25:13,087 INFO L130 PetriNetUnfolder]: For 86650/87090 co-relation queries the response was YES. [2021-03-26 15:25:13,097 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43273 conditions, 3436 events. 1374/3436 cut-off events. For 86650/87090 co-relation queries the response was YES. Maximal size of possible extension queue 512. Compared 32346 event pairs, 73 based on Foata normal form. 207/3641 useless extension candidates. Maximal degree in co-relation 43071. Up to 1729 conditions per place. [2021-03-26 15:25:13,111 INFO L132 encePairwiseOnDemand]: 69/101 looper letters, 388 selfloop transitions, 625 changer transitions 23/1047 dead transitions. [2021-03-26 15:25:13,111 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 1047 transitions, 34797 flow [2021-03-26 15:25:13,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 15:25:13,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 15:25:13,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 332 transitions. [2021-03-26 15:25:13,113 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41089108910891087 [2021-03-26 15:25:13,113 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 332 transitions. [2021-03-26 15:25:13,113 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 332 transitions. [2021-03-26 15:25:13,113 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:25:13,113 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 332 transitions. [2021-03-26 15:25:13,113 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 41.5) internal successors, (332), 8 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:13,114 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 101.0) internal successors, (909), 9 states have internal predecessors, (909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:13,114 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 101.0) internal successors, (909), 9 states have internal predecessors, (909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:13,114 INFO L185 Difference]: Start difference. First operand has 128 places, 1008 transitions, 31857 flow. Second operand 8 states and 332 transitions. [2021-03-26 15:25:13,115 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 1047 transitions, 34797 flow [2021-03-26 15:25:13,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 1047 transitions, 34562 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 15:25:13,451 INFO L241 Difference]: Finished difference. Result has 132 places, 1001 transitions, 32514 flow [2021-03-26 15:25:13,451 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=30500, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=976, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=582, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=32514, PETRI_PLACES=132, PETRI_TRANSITIONS=1001} [2021-03-26 15:25:13,451 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 92 predicate places. [2021-03-26 15:25:13,452 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:25:13,452 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 132 places, 1001 transitions, 32514 flow [2021-03-26 15:25:13,452 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 132 places, 1001 transitions, 32514 flow [2021-03-26 15:25:13,462 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 132 places, 1001 transitions, 32514 flow [2021-03-26 15:25:14,192 INFO L129 PetriNetUnfolder]: 1224/3095 cut-off events. [2021-03-26 15:25:14,192 INFO L130 PetriNetUnfolder]: For 80915/81792 co-relation queries the response was YES. [2021-03-26 15:25:14,200 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36853 conditions, 3095 events. 1224/3095 cut-off events. For 80915/81792 co-relation queries the response was YES. Maximal size of possible extension queue 462. Compared 29214 event pairs, 6 based on Foata normal form. 119/3209 useless extension candidates. Maximal degree in co-relation 36661. Up to 1141 conditions per place. [2021-03-26 15:25:14,222 INFO L142 LiptonReduction]: Number of co-enabled transitions 914 [2021-03-26 15:25:14,481 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:25:14,481 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:25:14,481 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1029 [2021-03-26 15:25:14,481 INFO L480 AbstractCegarLoop]: Abstraction has has 132 places, 1001 transitions, 32514 flow [2021-03-26 15:25:14,481 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 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 15:25:14,482 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:25:14,482 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:25:14,482 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-03-26 15:25:14,482 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:25:14,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:25:14,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1374411253, now seen corresponding path program 6 times [2021-03-26 15:25:14,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:25:14,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326374519] [2021-03-26 15:25:14,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:25:14,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:25:14,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:14,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:25:14,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:14,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:14,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:14,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:14,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:14,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:14,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:14,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:14,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:14,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:14,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:14,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:14,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:14,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:14,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:14,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:25:14,536 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 15:25:14,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326374519] [2021-03-26 15:25:14,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:25:14,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:25:14,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219843775] [2021-03-26 15:25:14,537 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:25:14,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:25:14,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:25:14,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:25:14,539 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-26 15:25:14,539 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 1001 transitions, 32514 flow. Second operand has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:14,539 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:25:14,539 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-26 15:25:14,539 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:25:16,169 INFO L129 PetriNetUnfolder]: 1347/3346 cut-off events. [2021-03-26 15:25:16,169 INFO L130 PetriNetUnfolder]: For 86115/86555 co-relation queries the response was YES. [2021-03-26 15:25:16,185 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42677 conditions, 3346 events. 1347/3346 cut-off events. For 86115/86555 co-relation queries the response was YES. Maximal size of possible extension queue 492. Compared 31172 event pairs, 22 based on Foata normal form. 93/3437 useless extension candidates. Maximal degree in co-relation 42480. Up to 1227 conditions per place. [2021-03-26 15:25:16,204 INFO L132 encePairwiseOnDemand]: 68/101 looper letters, 198 selfloop transitions, 819 changer transitions 0/1028 dead transitions. [2021-03-26 15:25:16,204 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 1028 transitions, 35070 flow [2021-03-26 15:25:16,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 15:25:16,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 15:25:16,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 426 transitions. [2021-03-26 15:25:16,205 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42178217821782177 [2021-03-26 15:25:16,205 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 426 transitions. [2021-03-26 15:25:16,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 426 transitions. [2021-03-26 15:25:16,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:25:16,205 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 426 transitions. [2021-03-26 15:25:16,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 42.6) internal successors, (426), 10 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:16,206 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 101.0) internal successors, (1111), 11 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:16,207 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 101.0) internal successors, (1111), 11 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:16,207 INFO L185 Difference]: Start difference. First operand has 132 places, 1001 transitions, 32514 flow. Second operand 10 states and 426 transitions. [2021-03-26 15:25:16,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 1028 transitions, 35070 flow [2021-03-26 15:25:16,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 1028 transitions, 34418 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 15:25:16,542 INFO L241 Difference]: Finished difference. Result has 137 places, 1015 transitions, 33844 flow [2021-03-26 15:25:16,543 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=31877, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1001, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=805, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=33844, PETRI_PLACES=137, PETRI_TRANSITIONS=1015} [2021-03-26 15:25:16,544 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 97 predicate places. [2021-03-26 15:25:16,544 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:25:16,544 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 137 places, 1015 transitions, 33844 flow [2021-03-26 15:25:16,544 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 137 places, 1015 transitions, 33844 flow [2021-03-26 15:25:16,555 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 137 places, 1015 transitions, 33844 flow [2021-03-26 15:25:17,280 INFO L129 PetriNetUnfolder]: 1229/3116 cut-off events. [2021-03-26 15:25:17,280 INFO L130 PetriNetUnfolder]: For 76834/77167 co-relation queries the response was YES. [2021-03-26 15:25:17,289 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38467 conditions, 3116 events. 1229/3116 cut-off events. For 76834/77167 co-relation queries the response was YES. Maximal size of possible extension queue 467. Compared 29524 event pairs, 6 based on Foata normal form. 113/3227 useless extension candidates. Maximal degree in co-relation 38267. Up to 1151 conditions per place. [2021-03-26 15:25:17,313 INFO L142 LiptonReduction]: Number of co-enabled transitions 918 [2021-03-26 15:25:17,571 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:25:17,572 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:25:17,572 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1028 [2021-03-26 15:25:17,572 INFO L480 AbstractCegarLoop]: Abstraction has has 137 places, 1015 transitions, 33844 flow [2021-03-26 15:25:17,572 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:17,572 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:25:17,572 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:25:17,572 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-03-26 15:25:17,573 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:25:17,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:25:17,573 INFO L82 PathProgramCache]: Analyzing trace with hash 1794213447, now seen corresponding path program 3 times [2021-03-26 15:25:17,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:25:17,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922926521] [2021-03-26 15:25:17,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:25:17,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:25:17,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:17,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:25:17,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:17,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:17,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:17,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:17,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:17,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:17,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:17,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:17,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:17,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:17,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:17,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:17,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:17,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:17,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:17,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:25:17,627 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 15:25:17,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922926521] [2021-03-26 15:25:17,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:25:17,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:25:17,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94071974] [2021-03-26 15:25:17,627 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:25:17,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:25:17,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:25:17,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:25:17,628 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-26 15:25:17,628 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 1015 transitions, 33844 flow. Second operand has 10 states, 10 states have (on average 31.2) internal successors, (312), 10 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:17,629 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:25:17,629 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-26 15:25:17,629 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:25:19,408 INFO L129 PetriNetUnfolder]: 1361/3389 cut-off events. [2021-03-26 15:25:19,409 INFO L130 PetriNetUnfolder]: For 87424/87873 co-relation queries the response was YES. [2021-03-26 15:25:19,417 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44892 conditions, 3389 events. 1361/3389 cut-off events. For 87424/87873 co-relation queries the response was YES. Maximal size of possible extension queue 501. Compared 31791 event pairs, 22 based on Foata normal form. 103/3488 useless extension candidates. Maximal degree in co-relation 44706. Up to 1250 conditions per place. [2021-03-26 15:25:19,431 INFO L132 encePairwiseOnDemand]: 68/101 looper letters, 200 selfloop transitions, 867 changer transitions 0/1078 dead transitions. [2021-03-26 15:25:19,432 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 1078 transitions, 37640 flow [2021-03-26 15:25:19,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:25:19,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:25:19,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 521 transitions. [2021-03-26 15:25:19,433 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3968012185833968 [2021-03-26 15:25:19,433 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 521 transitions. [2021-03-26 15:25:19,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 521 transitions. [2021-03-26 15:25:19,433 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:25:19,433 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 521 transitions. [2021-03-26 15:25:19,434 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 40.07692307692308) internal successors, (521), 13 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:19,435 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 101.0) internal successors, (1414), 14 states have internal predecessors, (1414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:19,435 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 101.0) internal successors, (1414), 14 states have internal predecessors, (1414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:19,436 INFO L185 Difference]: Start difference. First operand has 137 places, 1015 transitions, 33844 flow. Second operand 13 states and 521 transitions. [2021-03-26 15:25:19,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 1078 transitions, 37640 flow [2021-03-26 15:25:19,711 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 1078 transitions, 35908 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-03-26 15:25:19,733 INFO L241 Difference]: Finished difference. Result has 143 places, 1063 transitions, 35316 flow [2021-03-26 15:25:19,733 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=32208, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1015, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=819, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=35316, PETRI_PLACES=143, PETRI_TRANSITIONS=1063} [2021-03-26 15:25:19,734 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 103 predicate places. [2021-03-26 15:25:19,734 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:25:19,734 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 143 places, 1063 transitions, 35316 flow [2021-03-26 15:25:19,734 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 143 places, 1063 transitions, 35316 flow [2021-03-26 15:25:19,745 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 143 places, 1063 transitions, 35316 flow [2021-03-26 15:25:20,526 INFO L129 PetriNetUnfolder]: 1243/3161 cut-off events. [2021-03-26 15:25:20,526 INFO L130 PetriNetUnfolder]: For 80322/80635 co-relation queries the response was YES. [2021-03-26 15:25:20,534 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39136 conditions, 3161 events. 1243/3161 cut-off events. For 80322/80635 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 30092 event pairs, 6 based on Foata normal form. 108/3266 useless extension candidates. Maximal degree in co-relation 38945. Up to 1174 conditions per place. [2021-03-26 15:25:20,555 INFO L142 LiptonReduction]: Number of co-enabled transitions 930 [2021-03-26 15:25:20,833 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:25:20,833 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:25:20,833 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1099 [2021-03-26 15:25:20,833 INFO L480 AbstractCegarLoop]: Abstraction has has 143 places, 1063 transitions, 35316 flow [2021-03-26 15:25:20,833 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 31.2) internal successors, (312), 10 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:20,833 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:25:20,833 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:25:20,834 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-03-26 15:25:20,834 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:25:20,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:25:20,834 INFO L82 PathProgramCache]: Analyzing trace with hash 585555240, now seen corresponding path program 4 times [2021-03-26 15:25:20,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:25:20,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699024226] [2021-03-26 15:25:20,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:25:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:25:20,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:20,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:25:20,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:20,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:20,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:20,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:20,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:20,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:20,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:20,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:20,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:20,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:25:20,875 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 15:25:20,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699024226] [2021-03-26 15:25:20,875 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:25:20,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 15:25:20,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840684866] [2021-03-26 15:25:20,876 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 15:25:20,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:25:20,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 15:25:20,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-26 15:25:20,876 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-26 15:25:20,876 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 1063 transitions, 35316 flow. Second operand has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 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 15:25:20,876 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:25:20,876 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-26 15:25:20,876 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:25:22,407 INFO L129 PetriNetUnfolder]: 1202/3186 cut-off events. [2021-03-26 15:25:22,408 INFO L130 PetriNetUnfolder]: For 87646/88100 co-relation queries the response was YES. [2021-03-26 15:25:22,417 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42143 conditions, 3186 events. 1202/3186 cut-off events. For 87646/88100 co-relation queries the response was YES. Maximal size of possible extension queue 490. Compared 30704 event pairs, 66 based on Foata normal form. 211/3395 useless extension candidates. Maximal degree in co-relation 41956. Up to 1605 conditions per place. [2021-03-26 15:25:22,432 INFO L132 encePairwiseOnDemand]: 70/101 looper letters, 392 selfloop transitions, 648 changer transitions 30/1081 dead transitions. [2021-03-26 15:25:22,432 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 1081 transitions, 37674 flow [2021-03-26 15:25:22,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 15:25:22,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 15:25:22,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 334 transitions. [2021-03-26 15:25:22,434 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41336633663366334 [2021-03-26 15:25:22,434 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 334 transitions. [2021-03-26 15:25:22,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 334 transitions. [2021-03-26 15:25:22,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:25:22,434 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 334 transitions. [2021-03-26 15:25:22,435 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 41.75) internal successors, (334), 8 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:22,436 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 101.0) internal successors, (909), 9 states have internal predecessors, (909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:22,436 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 101.0) internal successors, (909), 9 states have internal predecessors, (909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:22,436 INFO L185 Difference]: Start difference. First operand has 143 places, 1063 transitions, 35316 flow. Second operand 8 states and 334 transitions. [2021-03-26 15:25:22,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 1081 transitions, 37674 flow [2021-03-26 15:25:22,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 1081 transitions, 37164 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 15:25:22,764 INFO L241 Difference]: Finished difference. Result has 147 places, 1030 transitions, 34833 flow [2021-03-26 15:25:22,765 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=33201, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1017, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=613, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=34833, PETRI_PLACES=147, PETRI_TRANSITIONS=1030} [2021-03-26 15:25:22,765 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 107 predicate places. [2021-03-26 15:25:22,765 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:25:22,765 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 147 places, 1030 transitions, 34833 flow [2021-03-26 15:25:22,766 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 147 places, 1030 transitions, 34833 flow [2021-03-26 15:25:22,777 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 147 places, 1030 transitions, 34833 flow [2021-03-26 15:25:23,478 INFO L129 PetriNetUnfolder]: 1067/2863 cut-off events. [2021-03-26 15:25:23,479 INFO L130 PetriNetUnfolder]: For 79271/80141 co-relation queries the response was YES. [2021-03-26 15:25:23,485 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35678 conditions, 2863 events. 1067/2863 cut-off events. For 79271/80141 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 27571 event pairs, 6 based on Foata normal form. 92/2950 useless extension candidates. Maximal degree in co-relation 35502. Up to 1064 conditions per place. [2021-03-26 15:25:23,502 INFO L142 LiptonReduction]: Number of co-enabled transitions 874 [2021-03-26 15:25:23,793 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:25:23,793 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:25:23,793 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1028 [2021-03-26 15:25:23,794 INFO L480 AbstractCegarLoop]: Abstraction has has 147 places, 1030 transitions, 34833 flow [2021-03-26 15:25:23,794 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 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 15:25:23,794 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:25:23,794 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:25:23,794 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-03-26 15:25:23,794 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:25:23,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:25:23,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1533376468, now seen corresponding path program 1 times [2021-03-26 15:25:23,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:25:23,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198604102] [2021-03-26 15:25:23,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:25:23,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:25:23,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:23,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:25:23,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:23,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:23,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:23,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:23,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:23,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:23,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:23,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:23,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:23,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:23,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:23,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:23,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:23,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:23,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:23,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:23,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:23,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:25:23,834 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 15:25:23,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198604102] [2021-03-26 15:25:23,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:25:23,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:25:23,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97809236] [2021-03-26 15:25:23,834 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 15:25:23,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:25:23,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 15:25:23,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-26 15:25:23,835 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-26 15:25:23,835 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 1030 transitions, 34833 flow. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:23,836 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:25:23,836 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-26 15:25:23,836 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:25:25,269 INFO L129 PetriNetUnfolder]: 1135/3058 cut-off events. [2021-03-26 15:25:25,269 INFO L130 PetriNetUnfolder]: For 84332/84787 co-relation queries the response was YES. [2021-03-26 15:25:25,277 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40393 conditions, 3058 events. 1135/3058 cut-off events. For 84332/84787 co-relation queries the response was YES. Maximal size of possible extension queue 465. Compared 29477 event pairs, 26 based on Foata normal form. 125/3181 useless extension candidates. Maximal degree in co-relation 40196. Up to 1114 conditions per place. [2021-03-26 15:25:25,289 INFO L132 encePairwiseOnDemand]: 69/101 looper letters, 241 selfloop transitions, 795 changer transitions 15/1062 dead transitions. [2021-03-26 15:25:25,289 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 1062 transitions, 37599 flow [2021-03-26 15:25:25,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 15:25:25,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 15:25:25,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 384 transitions. [2021-03-26 15:25:25,290 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42244224422442245 [2021-03-26 15:25:25,290 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 384 transitions. [2021-03-26 15:25:25,290 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 384 transitions. [2021-03-26 15:25:25,290 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:25:25,290 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 384 transitions. [2021-03-26 15:25:25,290 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 42.666666666666664) internal successors, (384), 9 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 15:25:25,291 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:25,291 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:25,291 INFO L185 Difference]: Start difference. First operand has 147 places, 1030 transitions, 34833 flow. Second operand 9 states and 384 transitions. [2021-03-26 15:25:25,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 1062 transitions, 37599 flow [2021-03-26 15:25:25,554 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 1062 transitions, 37441 flow, removed 6 selfloop flow, removed 2 redundant places. [2021-03-26 15:25:25,575 INFO L241 Difference]: Finished difference. Result has 153 places, 1027 transitions, 36041 flow [2021-03-26 15:25:25,576 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=34347, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1021, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=777, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=36041, PETRI_PLACES=153, PETRI_TRANSITIONS=1027} [2021-03-26 15:25:25,576 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 113 predicate places. [2021-03-26 15:25:25,576 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:25:25,576 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 1027 transitions, 36041 flow [2021-03-26 15:25:25,577 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 153 places, 1027 transitions, 36041 flow [2021-03-26 15:25:25,587 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 153 places, 1027 transitions, 36041 flow [2021-03-26 15:25:26,258 INFO L129 PetriNetUnfolder]: 1027/2843 cut-off events. [2021-03-26 15:25:26,258 INFO L130 PetriNetUnfolder]: For 83289/83849 co-relation queries the response was YES. [2021-03-26 15:25:26,265 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36400 conditions, 2843 events. 1027/2843 cut-off events. For 83289/83849 co-relation queries the response was YES. Maximal size of possible extension queue 456. Compared 27805 event pairs, 6 based on Foata normal form. 87/2926 useless extension candidates. Maximal degree in co-relation 36209. Up to 1057 conditions per place. [2021-03-26 15:25:26,282 INFO L142 LiptonReduction]: Number of co-enabled transitions 898 [2021-03-26 15:25:26,576 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:25:26,576 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:25:26,576 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1000 [2021-03-26 15:25:26,577 INFO L480 AbstractCegarLoop]: Abstraction has has 153 places, 1027 transitions, 36041 flow [2021-03-26 15:25:26,577 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:26,577 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:25:26,577 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:25:26,577 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-03-26 15:25:26,577 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:25:26,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:25:26,577 INFO L82 PathProgramCache]: Analyzing trace with hash -1202225740, now seen corresponding path program 5 times [2021-03-26 15:25:26,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:25:26,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588522436] [2021-03-26 15:25:26,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:25:26,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:25:26,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:26,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:25:26,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:26,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:26,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:26,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:26,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:26,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:26,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:26,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:26,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:26,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:26,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:26,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:26,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:26,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:26,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:26,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:26,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:26,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:25:26,630 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 15:25:26,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588522436] [2021-03-26 15:25:26,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:25:26,630 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:25:26,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385795793] [2021-03-26 15:25:26,630 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:25:26,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:25:26,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:25:26,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:25:26,633 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-26 15:25:26,634 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 1027 transitions, 36041 flow. Second operand has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:26,634 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:25:26,634 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-26 15:25:26,634 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:25:28,340 INFO L129 PetriNetUnfolder]: 1127/3085 cut-off events. [2021-03-26 15:25:28,340 INFO L130 PetriNetUnfolder]: For 90229/90700 co-relation queries the response was YES. [2021-03-26 15:25:28,348 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41868 conditions, 3085 events. 1127/3085 cut-off events. For 90229/90700 co-relation queries the response was YES. Maximal size of possible extension queue 468. Compared 30032 event pairs, 26 based on Foata normal form. 125/3208 useless extension candidates. Maximal degree in co-relation 41666. Up to 1121 conditions per place. [2021-03-26 15:25:28,360 INFO L132 encePairwiseOnDemand]: 69/101 looper letters, 247 selfloop transitions, 795 changer transitions 21/1074 dead transitions. [2021-03-26 15:25:28,360 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 1074 transitions, 39091 flow [2021-03-26 15:25:28,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:25:28,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:25:28,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 504 transitions. [2021-03-26 15:25:28,361 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4158415841584158 [2021-03-26 15:25:28,361 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 504 transitions. [2021-03-26 15:25:28,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 504 transitions. [2021-03-26 15:25:28,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:25:28,362 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 504 transitions. [2021-03-26 15:25:28,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 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 15:25:28,363 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 101.0) internal successors, (1313), 13 states have internal predecessors, (1313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:28,364 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 101.0) internal successors, (1313), 13 states have internal predecessors, (1313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:28,364 INFO L185 Difference]: Start difference. First operand has 153 places, 1027 transitions, 36041 flow. Second operand 12 states and 504 transitions. [2021-03-26 15:25:28,364 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 1074 transitions, 39091 flow [2021-03-26 15:25:28,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 1074 transitions, 38230 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-03-26 15:25:28,661 INFO L241 Difference]: Finished difference. Result has 159 places, 1027 transitions, 36441 flow [2021-03-26 15:25:28,661 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=35207, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1027, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=777, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=36441, PETRI_PLACES=159, PETRI_TRANSITIONS=1027} [2021-03-26 15:25:28,661 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 119 predicate places. [2021-03-26 15:25:28,661 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:25:28,662 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 159 places, 1027 transitions, 36441 flow [2021-03-26 15:25:28,662 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 159 places, 1027 transitions, 36441 flow [2021-03-26 15:25:28,672 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 159 places, 1027 transitions, 36441 flow [2021-03-26 15:25:29,375 INFO L129 PetriNetUnfolder]: 1017/2851 cut-off events. [2021-03-26 15:25:29,375 INFO L130 PetriNetUnfolder]: For 80663/80983 co-relation queries the response was YES. [2021-03-26 15:25:29,382 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36969 conditions, 2851 events. 1017/2851 cut-off events. For 80663/80983 co-relation queries the response was YES. Maximal size of possible extension queue 453. Compared 28281 event pairs, 6 based on Foata normal form. 81/2930 useless extension candidates. Maximal degree in co-relation 36780. Up to 1053 conditions per place. [2021-03-26 15:25:29,399 INFO L142 LiptonReduction]: Number of co-enabled transitions 910 [2021-03-26 15:25:29,709 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:25:29,709 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:25:29,709 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1048 [2021-03-26 15:25:29,709 INFO L480 AbstractCegarLoop]: Abstraction has has 159 places, 1027 transitions, 36441 flow [2021-03-26 15:25:29,710 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:29,710 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:25:29,710 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:25:29,710 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-03-26 15:25:29,710 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:25:29,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:25:29,710 INFO L82 PathProgramCache]: Analyzing trace with hash -1533289627, now seen corresponding path program 7 times [2021-03-26 15:25:29,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:25:29,710 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797905216] [2021-03-26 15:25:29,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:25:29,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:25:29,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:29,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:25:29,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:29,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:29,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:29,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:25:29,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:29,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:29,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:29,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:25:29,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:29,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:29,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:29,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:29,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:29,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:29,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:29,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:29,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:29,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:25:29,750 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 15:25:29,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797905216] [2021-03-26 15:25:29,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:25:29,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:25:29,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919644626] [2021-03-26 15:25:29,750 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 15:25:29,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:25:29,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 15:25:29,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-03-26 15:25:29,751 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-26 15:25:29,751 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 1027 transitions, 36441 flow. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:29,751 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:25:29,751 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-26 15:25:29,751 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:25:31,219 INFO L129 PetriNetUnfolder]: 1091/3032 cut-off events. [2021-03-26 15:25:31,219 INFO L130 PetriNetUnfolder]: For 89837/90306 co-relation queries the response was YES. [2021-03-26 15:25:31,226 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41798 conditions, 3032 events. 1091/3032 cut-off events. For 89837/90306 co-relation queries the response was YES. Maximal size of possible extension queue 460. Compared 29771 event pairs, 10 based on Foata normal form. 106/3136 useless extension candidates. Maximal degree in co-relation 41596. Up to 1108 conditions per place. [2021-03-26 15:25:31,239 INFO L132 encePairwiseOnDemand]: 69/101 looper letters, 135 selfloop transitions, 896 changer transitions 16/1058 dead transitions. [2021-03-26 15:25:31,239 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 1058 transitions, 39036 flow [2021-03-26 15:25:31,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 15:25:31,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 15:25:31,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 383 transitions. [2021-03-26 15:25:31,244 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4213421342134213 [2021-03-26 15:25:31,244 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 383 transitions. [2021-03-26 15:25:31,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 383 transitions. [2021-03-26 15:25:31,244 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:25:31,244 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 383 transitions. [2021-03-26 15:25:31,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 42.55555555555556) internal successors, (383), 9 states have internal predecessors, (383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:31,245 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:31,245 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:31,245 INFO L185 Difference]: Start difference. First operand has 159 places, 1027 transitions, 36441 flow. Second operand 9 states and 383 transitions. [2021-03-26 15:25:31,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 1058 transitions, 39036 flow [2021-03-26 15:25:31,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 1058 transitions, 37446 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-03-26 15:25:31,538 INFO L241 Difference]: Finished difference. Result has 159 places, 1017 transitions, 36431 flow [2021-03-26 15:25:31,538 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=34708, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1020, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=890, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=36431, PETRI_PLACES=159, PETRI_TRANSITIONS=1017} [2021-03-26 15:25:31,538 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 119 predicate places. [2021-03-26 15:25:31,538 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:25:31,539 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 159 places, 1017 transitions, 36431 flow [2021-03-26 15:25:31,539 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 159 places, 1017 transitions, 36431 flow [2021-03-26 15:25:31,549 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 159 places, 1017 transitions, 36431 flow [2021-03-26 15:25:32,233 INFO L129 PetriNetUnfolder]: 987/2813 cut-off events. [2021-03-26 15:25:32,233 INFO L130 PetriNetUnfolder]: For 85188/85847 co-relation queries the response was YES. [2021-03-26 15:25:32,241 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36923 conditions, 2813 events. 987/2813 cut-off events. For 85188/85847 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 27918 event pairs, 6 based on Foata normal form. 93/2901 useless extension candidates. Maximal degree in co-relation 36731. Up to 1051 conditions per place. [2021-03-26 15:25:32,259 INFO L142 LiptonReduction]: Number of co-enabled transitions 910 [2021-03-26 15:25:32,544 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:25:32,544 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:25:32,544 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1006 [2021-03-26 15:25:32,545 INFO L480 AbstractCegarLoop]: Abstraction has has 159 places, 1017 transitions, 36431 flow [2021-03-26 15:25:32,545 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:32,545 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:25:32,545 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:25:32,545 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-03-26 15:25:32,545 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:25:32,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:25:32,545 INFO L82 PathProgramCache]: Analyzing trace with hash -2144617273, now seen corresponding path program 4 times [2021-03-26 15:25:32,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:25:32,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114162323] [2021-03-26 15:25:32,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:25:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:25:32,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:32,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:25:32,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:32,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:32,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:32,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:25:32,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:32,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:32,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:32,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:25:32,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:32,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:32,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:32,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:32,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:32,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:32,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:32,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:32,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:32,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:25:32,583 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 15:25:32,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114162323] [2021-03-26 15:25:32,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:25:32,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:25:32,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731229801] [2021-03-26 15:25:32,584 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 15:25:32,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:25:32,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 15:25:32,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-03-26 15:25:32,584 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-26 15:25:32,587 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 1017 transitions, 36431 flow. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:32,587 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:25:32,588 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-26 15:25:32,588 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:25:34,065 INFO L129 PetriNetUnfolder]: 1058/2980 cut-off events. [2021-03-26 15:25:34,065 INFO L130 PetriNetUnfolder]: For 91529/92134 co-relation queries the response was YES. [2021-03-26 15:25:34,071 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41641 conditions, 2980 events. 1058/2980 cut-off events. For 91529/92134 co-relation queries the response was YES. Maximal size of possible extension queue 458. Compared 29493 event pairs, 10 based on Foata normal form. 174/3152 useless extension candidates. Maximal degree in co-relation 41444. Up to 1104 conditions per place. [2021-03-26 15:25:34,082 INFO L132 encePairwiseOnDemand]: 69/101 looper letters, 133 selfloop transitions, 878 changer transitions 22/1044 dead transitions. [2021-03-26 15:25:34,082 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 1044 transitions, 38917 flow [2021-03-26 15:25:34,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 15:25:34,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 15:25:34,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 371 transitions. [2021-03-26 15:25:34,084 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4081408140814081 [2021-03-26 15:25:34,084 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 371 transitions. [2021-03-26 15:25:34,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 371 transitions. [2021-03-26 15:25:34,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:25:34,084 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 371 transitions. [2021-03-26 15:25:34,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 41.22222222222222) internal successors, (371), 9 states have internal predecessors, (371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:34,086 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:34,086 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:34,086 INFO L185 Difference]: Start difference. First operand has 159 places, 1017 transitions, 36431 flow. Second operand 9 states and 371 transitions. [2021-03-26 15:25:34,086 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 1044 transitions, 38917 flow [2021-03-26 15:25:34,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 1044 transitions, 37746 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 15:25:34,365 INFO L241 Difference]: Finished difference. Result has 163 places, 999 transitions, 36638 flow [2021-03-26 15:25:34,366 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=35074, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1008, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=874, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=36638, PETRI_PLACES=163, PETRI_TRANSITIONS=999} [2021-03-26 15:25:34,366 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 123 predicate places. [2021-03-26 15:25:34,366 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:25:34,366 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 163 places, 999 transitions, 36638 flow [2021-03-26 15:25:34,366 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 163 places, 999 transitions, 36638 flow [2021-03-26 15:25:34,376 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 163 places, 999 transitions, 36638 flow [2021-03-26 15:25:35,038 INFO L129 PetriNetUnfolder]: 950/2758 cut-off events. [2021-03-26 15:25:35,038 INFO L130 PetriNetUnfolder]: For 93255/94214 co-relation queries the response was YES. [2021-03-26 15:25:35,045 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36904 conditions, 2758 events. 950/2758 cut-off events. For 93255/94214 co-relation queries the response was YES. Maximal size of possible extension queue 442. Compared 27551 event pairs, 6 based on Foata normal form. 107/2860 useless extension candidates. Maximal degree in co-relation 36717. Up to 1050 conditions per place. [2021-03-26 15:25:35,061 INFO L142 LiptonReduction]: Number of co-enabled transitions 898 [2021-03-26 15:25:35,306 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:25:35,307 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:25:35,307 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 941 [2021-03-26 15:25:35,307 INFO L480 AbstractCegarLoop]: Abstraction has has 163 places, 999 transitions, 36638 flow [2021-03-26 15:25:35,307 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:35,307 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:25:35,307 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:25:35,308 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-03-26 15:25:35,308 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:25:35,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:25:35,308 INFO L82 PathProgramCache]: Analyzing trace with hash -1614263143, now seen corresponding path program 8 times [2021-03-26 15:25:35,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:25:35,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141214654] [2021-03-26 15:25:35,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:25:35,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:25:35,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:35,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:25:35,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:35,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:35,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:35,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:25:35,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:35,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:35,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:35,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:25:35,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:35,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:35,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:35,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:35,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:35,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:35,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:35,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:35,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:35,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:25:35,350 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 15:25:35,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141214654] [2021-03-26 15:25:35,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:25:35,350 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:25:35,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602324832] [2021-03-26 15:25:35,351 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 15:25:35,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:25:35,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 15:25:35,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-03-26 15:25:35,351 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-26 15:25:35,352 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 999 transitions, 36638 flow. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:35,352 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:25:35,352 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-26 15:25:35,352 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:25:36,781 INFO L129 PetriNetUnfolder]: 1014/2911 cut-off events. [2021-03-26 15:25:36,782 INFO L130 PetriNetUnfolder]: For 96397/97155 co-relation queries the response was YES. [2021-03-26 15:25:36,789 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41434 conditions, 2911 events. 1014/2911 cut-off events. For 96397/97155 co-relation queries the response was YES. Maximal size of possible extension queue 452. Compared 28960 event pairs, 10 based on Foata normal form. 195/3103 useless extension candidates. Maximal degree in co-relation 41234. Up to 1102 conditions per place. [2021-03-26 15:25:36,800 INFO L132 encePairwiseOnDemand]: 69/101 looper letters, 134 selfloop transitions, 842 changer transitions 35/1022 dead transitions. [2021-03-26 15:25:36,801 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 1022 transitions, 39062 flow [2021-03-26 15:25:36,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 15:25:36,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 15:25:36,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 381 transitions. [2021-03-26 15:25:36,802 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41914191419141916 [2021-03-26 15:25:36,802 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 381 transitions. [2021-03-26 15:25:36,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 381 transitions. [2021-03-26 15:25:36,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:25:36,802 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 381 transitions. [2021-03-26 15:25:36,803 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 42.333333333333336) internal successors, (381), 9 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:36,803 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:36,803 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:36,803 INFO L185 Difference]: Start difference. First operand has 163 places, 999 transitions, 36638 flow. Second operand 9 states and 381 transitions. [2021-03-26 15:25:36,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 1022 transitions, 39062 flow [2021-03-26 15:25:37,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 1022 transitions, 38740 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 15:25:37,163 INFO L241 Difference]: Finished difference. Result has 168 places, 960 transitions, 37189 flow [2021-03-26 15:25:37,163 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=35999, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=983, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=841, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=37189, PETRI_PLACES=168, PETRI_TRANSITIONS=960} [2021-03-26 15:25:37,164 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 128 predicate places. [2021-03-26 15:25:37,164 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:25:37,164 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 168 places, 960 transitions, 37189 flow [2021-03-26 15:25:37,164 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 168 places, 960 transitions, 37189 flow [2021-03-26 15:25:37,176 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 168 places, 960 transitions, 37189 flow [2021-03-26 15:25:37,792 INFO L129 PetriNetUnfolder]: 882/2484 cut-off events. [2021-03-26 15:25:37,793 INFO L130 PetriNetUnfolder]: For 94273/94472 co-relation queries the response was YES. [2021-03-26 15:25:37,799 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35419 conditions, 2484 events. 882/2484 cut-off events. For 94273/94472 co-relation queries the response was YES. Maximal size of possible extension queue 388. Compared 23931 event pairs, 1 based on Foata normal form. 70/2551 useless extension candidates. Maximal degree in co-relation 35248. Up to 1019 conditions per place. [2021-03-26 15:25:37,814 INFO L142 LiptonReduction]: Number of co-enabled transitions 828 [2021-03-26 15:25:38,052 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:25:38,052 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:25:38,052 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 888 [2021-03-26 15:25:38,052 INFO L480 AbstractCegarLoop]: Abstraction has has 168 places, 960 transitions, 37189 flow [2021-03-26 15:25:38,053 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:38,053 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:25:38,053 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:25:38,053 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-03-26 15:25:38,053 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:25:38,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:25:38,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1075439040, now seen corresponding path program 1 times [2021-03-26 15:25:38,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:25:38,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017405526] [2021-03-26 15:25:38,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:25:38,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:25:38,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:38,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:25:38,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:38,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:38,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:38,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:38,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:38,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:38,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:38,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:38,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:38,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:38,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:38,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:38,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:38,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:38,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:38,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:38,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:38,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:25:38,093 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 15:25:38,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017405526] [2021-03-26 15:25:38,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:25:38,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:25:38,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407978829] [2021-03-26 15:25:38,093 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 15:25:38,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:25:38,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 15:25:38,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-26 15:25:38,094 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-26 15:25:38,094 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 960 transitions, 37189 flow. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:38,094 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:25:38,094 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-26 15:25:38,094 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:25:39,370 INFO L129 PetriNetUnfolder]: 933/2657 cut-off events. [2021-03-26 15:25:39,370 INFO L130 PetriNetUnfolder]: For 102841/103273 co-relation queries the response was YES. [2021-03-26 15:25:39,377 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39604 conditions, 2657 events. 933/2657 cut-off events. For 102841/103273 co-relation queries the response was YES. Maximal size of possible extension queue 403. Compared 25744 event pairs, 8 based on Foata normal form. 87/2741 useless extension candidates. Maximal degree in co-relation 39400. Up to 1056 conditions per place. [2021-03-26 15:25:39,387 INFO L132 encePairwiseOnDemand]: 69/101 looper letters, 175 selfloop transitions, 784 changer transitions 20/990 dead transitions. [2021-03-26 15:25:39,387 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 990 transitions, 39768 flow [2021-03-26 15:25:39,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 15:25:39,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 15:25:39,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 377 transitions. [2021-03-26 15:25:39,389 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41474147414741475 [2021-03-26 15:25:39,389 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 377 transitions. [2021-03-26 15:25:39,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 377 transitions. [2021-03-26 15:25:39,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:25:39,389 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 377 transitions. [2021-03-26 15:25:39,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 41.888888888888886) internal successors, (377), 9 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 15:25:39,390 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:39,391 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:39,391 INFO L185 Difference]: Start difference. First operand has 168 places, 960 transitions, 37189 flow. Second operand 9 states and 377 transitions. [2021-03-26 15:25:39,391 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 990 transitions, 39768 flow [2021-03-26 15:25:39,687 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 990 transitions, 39444 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 15:25:39,709 INFO L241 Difference]: Finished difference. Result has 173 places, 951 transitions, 37863 flow [2021-03-26 15:25:39,710 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=36500, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=951, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=768, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=37863, PETRI_PLACES=173, PETRI_TRANSITIONS=951} [2021-03-26 15:25:39,710 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 133 predicate places. [2021-03-26 15:25:39,710 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:25:39,710 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 173 places, 951 transitions, 37863 flow [2021-03-26 15:25:39,711 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 173 places, 951 transitions, 37863 flow [2021-03-26 15:25:39,724 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 173 places, 951 transitions, 37863 flow [2021-03-26 15:25:40,312 INFO L129 PetriNetUnfolder]: 833/2452 cut-off events. [2021-03-26 15:25:40,312 INFO L130 PetriNetUnfolder]: For 94779/95049 co-relation queries the response was YES. [2021-03-26 15:25:40,319 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35294 conditions, 2452 events. 833/2452 cut-off events. For 94779/95049 co-relation queries the response was YES. Maximal size of possible extension queue 397. Compared 24062 event pairs, 1 based on Foata normal form. 67/2517 useless extension candidates. Maximal degree in co-relation 35097. Up to 998 conditions per place. [2021-03-26 15:25:40,339 INFO L142 LiptonReduction]: Number of co-enabled transitions 826 [2021-03-26 15:25:40,605 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:25:40,605 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:25:40,605 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 895 [2021-03-26 15:25:40,605 INFO L480 AbstractCegarLoop]: Abstraction has has 173 places, 951 transitions, 37863 flow [2021-03-26 15:25:40,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:40,605 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:25:40,606 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:25:40,606 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-03-26 15:25:40,606 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:25:40,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:25:40,606 INFO L82 PathProgramCache]: Analyzing trace with hash 390123524, now seen corresponding path program 6 times [2021-03-26 15:25:40,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:25:40,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566213519] [2021-03-26 15:25:40,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:25:40,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:25:40,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:40,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:25:40,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:40,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:40,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:40,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:40,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:40,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:40,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:40,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:40,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:40,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:40,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:40,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:40,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:40,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:40,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:40,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:40,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:40,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:25:40,638 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 15:25:40,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566213519] [2021-03-26 15:25:40,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:25:40,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 15:25:40,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287928276] [2021-03-26 15:25:40,639 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 15:25:40,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:25:40,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 15:25:40,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-26 15:25:40,640 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-26 15:25:40,640 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 951 transitions, 37863 flow. Second operand has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 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 15:25:40,640 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:25:40,640 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-26 15:25:40,640 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:25:41,850 INFO L129 PetriNetUnfolder]: 873/2545 cut-off events. [2021-03-26 15:25:41,851 INFO L130 PetriNetUnfolder]: For 102454/102723 co-relation queries the response was YES. [2021-03-26 15:25:41,857 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38928 conditions, 2545 events. 873/2545 cut-off events. For 102454/102723 co-relation queries the response was YES. Maximal size of possible extension queue 393. Compared 24671 event pairs, 8 based on Foata normal form. 62/2605 useless extension candidates. Maximal degree in co-relation 38728. Up to 1018 conditions per place. [2021-03-26 15:25:41,867 INFO L132 encePairwiseOnDemand]: 70/101 looper letters, 167 selfloop transitions, 705 changer transitions 78/961 dead transitions. [2021-03-26 15:25:41,868 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 961 transitions, 39703 flow [2021-03-26 15:25:41,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 15:25:41,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 15:25:41,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 336 transitions. [2021-03-26 15:25:41,869 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4158415841584158 [2021-03-26 15:25:41,869 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 336 transitions. [2021-03-26 15:25:41,869 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 336 transitions. [2021-03-26 15:25:41,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:25:41,869 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 336 transitions. [2021-03-26 15:25:41,869 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 42.0) internal successors, (336), 8 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:41,870 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 101.0) internal successors, (909), 9 states have internal predecessors, (909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:41,870 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 101.0) internal successors, (909), 9 states have internal predecessors, (909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:41,870 INFO L185 Difference]: Start difference. First operand has 173 places, 951 transitions, 37863 flow. Second operand 8 states and 336 transitions. [2021-03-26 15:25:41,870 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 961 transitions, 39703 flow [2021-03-26 15:25:42,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 961 transitions, 39386 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 15:25:42,210 INFO L241 Difference]: Finished difference. Result has 179 places, 874 transitions, 35672 flow [2021-03-26 15:25:42,211 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=36932, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=934, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=705, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=35672, PETRI_PLACES=179, PETRI_TRANSITIONS=874} [2021-03-26 15:25:42,211 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 139 predicate places. [2021-03-26 15:25:42,211 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:25:42,211 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 179 places, 874 transitions, 35672 flow [2021-03-26 15:25:42,211 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 179 places, 874 transitions, 35672 flow [2021-03-26 15:25:42,221 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 179 places, 874 transitions, 35672 flow [2021-03-26 15:25:42,759 INFO L129 PetriNetUnfolder]: 723/2281 cut-off events. [2021-03-26 15:25:42,759 INFO L130 PetriNetUnfolder]: For 96200/96401 co-relation queries the response was YES. [2021-03-26 15:25:42,767 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34093 conditions, 2281 events. 723/2281 cut-off events. For 96200/96401 co-relation queries the response was YES. Maximal size of possible extension queue 361. Compared 22902 event pairs, 1 based on Foata normal form. 60/2340 useless extension candidates. Maximal degree in co-relation 33903. Up to 924 conditions per place. [2021-03-26 15:25:42,790 INFO L142 LiptonReduction]: Number of co-enabled transitions 794 [2021-03-26 15:25:43,025 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:25:43,025 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:25:43,025 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 814 [2021-03-26 15:25:43,026 INFO L480 AbstractCegarLoop]: Abstraction has has 179 places, 874 transitions, 35672 flow [2021-03-26 15:25:43,026 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 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 15:25:43,026 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:25:43,026 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:25:43,026 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-03-26 15:25:43,026 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:25:43,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:25:43,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1107731573, now seen corresponding path program 5 times [2021-03-26 15:25:43,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:25:43,026 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970215886] [2021-03-26 15:25:43,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:25:43,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:25:43,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:43,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:25:43,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:43,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:43,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:43,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:43,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:43,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:43,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:43,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:43,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:43,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:43,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:43,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:43,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:43,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:25:43,081 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 15:25:43,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970215886] [2021-03-26 15:25:43,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:25:43,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:25:43,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497374469] [2021-03-26 15:25:43,082 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:25:43,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:25:43,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:25:43,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:25:43,082 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-26 15:25:43,083 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 874 transitions, 35672 flow. Second operand has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:43,083 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:25:43,083 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-26 15:25:43,083 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:25:44,227 INFO L129 PetriNetUnfolder]: 833/2544 cut-off events. [2021-03-26 15:25:44,227 INFO L130 PetriNetUnfolder]: For 107046/107280 co-relation queries the response was YES. [2021-03-26 15:25:44,235 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40394 conditions, 2544 events. 833/2544 cut-off events. For 107046/107280 co-relation queries the response was YES. Maximal size of possible extension queue 399. Compared 25346 event pairs, 8 based on Foata normal form. 81/2623 useless extension candidates. Maximal degree in co-relation 40196. Up to 1035 conditions per place. [2021-03-26 15:25:44,244 INFO L132 encePairwiseOnDemand]: 70/101 looper letters, 178 selfloop transitions, 687 changer transitions 105/981 dead transitions. [2021-03-26 15:25:44,244 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 981 transitions, 41079 flow [2021-03-26 15:25:44,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:25:44,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:25:44,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 497 transitions. [2021-03-26 15:25:44,245 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41006600660066006 [2021-03-26 15:25:44,245 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 497 transitions. [2021-03-26 15:25:44,245 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 497 transitions. [2021-03-26 15:25:44,246 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:25:44,246 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 497 transitions. [2021-03-26 15:25:44,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 41.416666666666664) internal successors, (497), 12 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:44,247 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 101.0) internal successors, (1313), 13 states have internal predecessors, (1313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:44,247 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 101.0) internal successors, (1313), 13 states have internal predecessors, (1313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:44,247 INFO L185 Difference]: Start difference. First operand has 179 places, 874 transitions, 35672 flow. Second operand 12 states and 497 transitions. [2021-03-26 15:25:44,247 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 981 transitions, 41079 flow [2021-03-26 15:25:44,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 981 transitions, 40689 flow, removed 13 selfloop flow, removed 3 redundant places. [2021-03-26 15:25:44,630 INFO L241 Difference]: Finished difference. Result has 189 places, 856 transitions, 34972 flow [2021-03-26 15:25:44,631 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=35313, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=873, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=614, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=34972, PETRI_PLACES=189, PETRI_TRANSITIONS=856} [2021-03-26 15:25:44,631 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 149 predicate places. [2021-03-26 15:25:44,631 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:25:44,631 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 189 places, 856 transitions, 34972 flow [2021-03-26 15:25:44,631 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 189 places, 856 transitions, 34972 flow [2021-03-26 15:25:44,641 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 189 places, 856 transitions, 34972 flow [2021-03-26 15:25:45,186 INFO L129 PetriNetUnfolder]: 693/2187 cut-off events. [2021-03-26 15:25:45,187 INFO L130 PetriNetUnfolder]: For 89757/90160 co-relation queries the response was YES. [2021-03-26 15:25:45,193 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33254 conditions, 2187 events. 693/2187 cut-off events. For 89757/90160 co-relation queries the response was YES. Maximal size of possible extension queue 339. Compared 21584 event pairs, 1 based on Foata normal form. 44/2228 useless extension candidates. Maximal degree in co-relation 33058. Up to 866 conditions per place. [2021-03-26 15:25:45,209 INFO L142 LiptonReduction]: Number of co-enabled transitions 786 [2021-03-26 15:25:45,393 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:25:45,393 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:25:45,393 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 762 [2021-03-26 15:25:45,393 INFO L480 AbstractCegarLoop]: Abstraction has has 189 places, 856 transitions, 34972 flow [2021-03-26 15:25:45,394 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:45,394 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:25:45,394 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:25:45,394 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-03-26 15:25:45,394 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:25:45,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:25:45,394 INFO L82 PathProgramCache]: Analyzing trace with hash 69553335, now seen corresponding path program 9 times [2021-03-26 15:25:45,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:25:45,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088468165] [2021-03-26 15:25:45,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:25:45,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:25:45,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:45,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:25:45,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:45,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:45,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:45,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:45,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:45,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:45,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:45,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:45,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:45,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:45,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:45,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:45,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:45,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:45,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:45,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:45,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:45,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:25:45,453 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 15:25:45,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088468165] [2021-03-26 15:25:45,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:25:45,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:25:45,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657518010] [2021-03-26 15:25:45,453 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:25:45,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:25:45,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:25:45,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:25:45,454 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-26 15:25:45,454 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 856 transitions, 34972 flow. Second operand has 11 states, 11 states have (on average 31.09090909090909) internal successors, (342), 11 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:45,454 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:25:45,454 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-26 15:25:45,454 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:25:46,759 INFO L129 PetriNetUnfolder]: 759/2356 cut-off events. [2021-03-26 15:25:46,759 INFO L130 PetriNetUnfolder]: For 102025/102235 co-relation queries the response was YES. [2021-03-26 15:25:46,766 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37905 conditions, 2356 events. 759/2356 cut-off events. For 102025/102235 co-relation queries the response was YES. Maximal size of possible extension queue 346. Compared 23107 event pairs, 4 based on Foata normal form. 35/2389 useless extension candidates. Maximal degree in co-relation 37702. Up to 910 conditions per place. [2021-03-26 15:25:46,775 INFO L132 encePairwiseOnDemand]: 71/101 looper letters, 136 selfloop transitions, 726 changer transitions 45/918 dead transitions. [2021-03-26 15:25:46,775 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 918 transitions, 38397 flow [2021-03-26 15:25:46,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 15:25:46,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 15:25:46,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 683 transitions. [2021-03-26 15:25:46,776 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39778683750728017 [2021-03-26 15:25:46,776 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 683 transitions. [2021-03-26 15:25:46,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 683 transitions. [2021-03-26 15:25:46,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:25:46,777 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 683 transitions. [2021-03-26 15:25:46,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 40.1764705882353) internal successors, (683), 17 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:46,779 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 101.0) internal successors, (1818), 18 states have internal predecessors, (1818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:46,779 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 101.0) internal successors, (1818), 18 states have internal predecessors, (1818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:46,779 INFO L185 Difference]: Start difference. First operand has 189 places, 856 transitions, 34972 flow. Second operand 17 states and 683 transitions. [2021-03-26 15:25:46,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 918 transitions, 38397 flow [2021-03-26 15:25:47,087 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 918 transitions, 37839 flow, removed 46 selfloop flow, removed 5 redundant places. [2021-03-26 15:25:47,109 INFO L241 Difference]: Finished difference. Result has 200 places, 852 transitions, 35105 flow [2021-03-26 15:25:47,109 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=34445, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=855, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=688, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=35105, PETRI_PLACES=200, PETRI_TRANSITIONS=852} [2021-03-26 15:25:47,109 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 160 predicate places. [2021-03-26 15:25:47,109 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:25:47,109 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 200 places, 852 transitions, 35105 flow [2021-03-26 15:25:47,110 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 200 places, 852 transitions, 35105 flow [2021-03-26 15:25:47,120 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 200 places, 852 transitions, 35105 flow [2021-03-26 15:25:47,628 INFO L129 PetriNetUnfolder]: 666/2157 cut-off events. [2021-03-26 15:25:47,628 INFO L130 PetriNetUnfolder]: For 95985/96338 co-relation queries the response was YES. [2021-03-26 15:25:47,633 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33476 conditions, 2157 events. 666/2157 cut-off events. For 95985/96338 co-relation queries the response was YES. Maximal size of possible extension queue 324. Compared 21497 event pairs, 1 based on Foata normal form. 71/2225 useless extension candidates. Maximal degree in co-relation 33287. Up to 844 conditions per place. [2021-03-26 15:25:47,648 INFO L142 LiptonReduction]: Number of co-enabled transitions 784 [2021-03-26 15:25:48,062 INFO L154 LiptonReduction]: Checked pairs total: 44 [2021-03-26 15:25:48,062 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:25:48,062 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 953 [2021-03-26 15:25:48,063 INFO L480 AbstractCegarLoop]: Abstraction has has 200 places, 851 transitions, 35080 flow [2021-03-26 15:25:48,063 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 31.09090909090909) internal successors, (342), 11 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:48,063 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:25:48,063 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:25:48,063 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-03-26 15:25:48,063 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:25:48,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:25:48,064 INFO L82 PathProgramCache]: Analyzing trace with hash -400715651, now seen corresponding path program 6 times [2021-03-26 15:25:48,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:25:48,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112665036] [2021-03-26 15:25:48,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:25:48,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:25:48,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:48,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:25:48,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:48,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:48,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:48,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:48,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:48,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:48,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:48,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:48,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:48,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:48,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:48,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:48,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:48,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:25:48,108 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 15:25:48,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112665036] [2021-03-26 15:25:48,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:25:48,108 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:25:48,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960945385] [2021-03-26 15:25:48,109 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:25:48,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:25:48,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:25:48,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:25:48,109 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-26 15:25:48,110 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 851 transitions, 35080 flow. Second operand has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:48,110 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:25:48,110 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-26 15:25:48,110 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:25:49,389 INFO L129 PetriNetUnfolder]: 714/2308 cut-off events. [2021-03-26 15:25:49,390 INFO L130 PetriNetUnfolder]: For 99079/99440 co-relation queries the response was YES. [2021-03-26 15:25:49,397 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37466 conditions, 2308 events. 714/2308 cut-off events. For 99079/99440 co-relation queries the response was YES. Maximal size of possible extension queue 345. Compared 22975 event pairs, 8 based on Foata normal form. 78/2383 useless extension candidates. Maximal degree in co-relation 37254. Up to 870 conditions per place. [2021-03-26 15:25:49,407 INFO L132 encePairwiseOnDemand]: 71/101 looper letters, 191 selfloop transitions, 661 changer transitions 25/888 dead transitions. [2021-03-26 15:25:49,407 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 888 transitions, 37416 flow [2021-03-26 15:25:49,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:25:49,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:25:49,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 487 transitions. [2021-03-26 15:25:49,408 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4018151815181518 [2021-03-26 15:25:49,408 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 487 transitions. [2021-03-26 15:25:49,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 487 transitions. [2021-03-26 15:25:49,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:25:49,408 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 487 transitions. [2021-03-26 15:25:49,409 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 40.583333333333336) internal successors, (487), 12 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:49,410 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 101.0) internal successors, (1313), 13 states have internal predecessors, (1313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:49,410 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 101.0) internal successors, (1313), 13 states have internal predecessors, (1313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:49,410 INFO L185 Difference]: Start difference. First operand has 200 places, 851 transitions, 35080 flow. Second operand 12 states and 487 transitions. [2021-03-26 15:25:49,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 888 transitions, 37416 flow [2021-03-26 15:25:49,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 888 transitions, 36190 flow, removed 3 selfloop flow, removed 9 redundant places. [2021-03-26 15:25:49,690 INFO L241 Difference]: Finished difference. Result has 202 places, 838 transitions, 34118 flow [2021-03-26 15:25:49,691 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=33387, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=841, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=643, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=34118, PETRI_PLACES=202, PETRI_TRANSITIONS=838} [2021-03-26 15:25:49,691 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 162 predicate places. [2021-03-26 15:25:49,691 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:25:49,691 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 202 places, 838 transitions, 34118 flow [2021-03-26 15:25:49,691 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 202 places, 838 transitions, 34118 flow [2021-03-26 15:25:49,701 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 202 places, 838 transitions, 34118 flow [2021-03-26 15:25:50,156 INFO L129 PetriNetUnfolder]: 627/2083 cut-off events. [2021-03-26 15:25:50,156 INFO L130 PetriNetUnfolder]: For 93708/94152 co-relation queries the response was YES. [2021-03-26 15:25:50,162 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31621 conditions, 2083 events. 627/2083 cut-off events. For 93708/94152 co-relation queries the response was YES. Maximal size of possible extension queue 303. Compared 20795 event pairs, 1 based on Foata normal form. 73/2153 useless extension candidates. Maximal degree in co-relation 31420. Up to 798 conditions per place. [2021-03-26 15:25:50,175 INFO L142 LiptonReduction]: Number of co-enabled transitions 764 [2021-03-26 15:25:50,351 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:25:50,351 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:25:50,351 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 660 [2021-03-26 15:25:50,352 INFO L480 AbstractCegarLoop]: Abstraction has has 202 places, 838 transitions, 34118 flow [2021-03-26 15:25:50,352 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:50,352 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:25:50,352 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:25:50,352 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-03-26 15:25:50,352 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:25:50,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:25:50,352 INFO L82 PathProgramCache]: Analyzing trace with hash 508219943, now seen corresponding path program 7 times [2021-03-26 15:25:50,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:25:50,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70905020] [2021-03-26 15:25:50,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:25:50,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:25:50,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:50,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:25:50,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:50,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:50,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:50,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:50,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:50,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:50,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:50,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:50,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:50,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:50,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:50,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:50,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:50,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:50,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:50,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:50,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:50,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:25:50,396 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 15:25:50,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70905020] [2021-03-26 15:25:50,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:25:50,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:25:50,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934897403] [2021-03-26 15:25:50,396 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:25:50,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:25:50,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:25:50,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:25:50,397 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-26 15:25:50,397 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 838 transitions, 34118 flow. Second operand has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:50,397 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:25:50,397 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-26 15:25:50,397 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:25:51,479 INFO L129 PetriNetUnfolder]: 685/2224 cut-off events. [2021-03-26 15:25:51,480 INFO L130 PetriNetUnfolder]: For 94856/95221 co-relation queries the response was YES. [2021-03-26 15:25:51,486 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35609 conditions, 2224 events. 685/2224 cut-off events. For 94856/95221 co-relation queries the response was YES. Maximal size of possible extension queue 324. Compared 21914 event pairs, 4 based on Foata normal form. 48/2269 useless extension candidates. Maximal degree in co-relation 35392. Up to 832 conditions per place. [2021-03-26 15:25:51,495 INFO L132 encePairwiseOnDemand]: 71/101 looper letters, 129 selfloop transitions, 718 changer transitions 9/867 dead transitions. [2021-03-26 15:25:51,495 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 867 transitions, 36354 flow [2021-03-26 15:25:51,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:25:51,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:25:51,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 489 transitions. [2021-03-26 15:25:51,496 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4034653465346535 [2021-03-26 15:25:51,496 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 489 transitions. [2021-03-26 15:25:51,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 489 transitions. [2021-03-26 15:25:51,496 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:25:51,496 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 489 transitions. [2021-03-26 15:25:51,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 40.75) internal successors, (489), 12 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:51,497 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 101.0) internal successors, (1313), 13 states have internal predecessors, (1313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:51,497 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 101.0) internal successors, (1313), 13 states have internal predecessors, (1313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:51,497 INFO L185 Difference]: Start difference. First operand has 202 places, 838 transitions, 34118 flow. Second operand 12 states and 489 transitions. [2021-03-26 15:25:51,498 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 867 transitions, 36354 flow [2021-03-26 15:25:51,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 867 transitions, 35158 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-03-26 15:25:51,776 INFO L241 Difference]: Finished difference. Result has 205 places, 844 transitions, 34382 flow [2021-03-26 15:25:51,777 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=32910, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=837, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=705, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=34382, PETRI_PLACES=205, PETRI_TRANSITIONS=844} [2021-03-26 15:25:51,777 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 165 predicate places. [2021-03-26 15:25:51,777 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:25:51,777 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 205 places, 844 transitions, 34382 flow [2021-03-26 15:25:51,777 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 205 places, 844 transitions, 34382 flow [2021-03-26 15:25:51,794 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 205 places, 844 transitions, 34382 flow [2021-03-26 15:25:52,285 INFO L129 PetriNetUnfolder]: 617/2089 cut-off events. [2021-03-26 15:25:52,285 INFO L130 PetriNetUnfolder]: For 90334/91002 co-relation queries the response was YES. [2021-03-26 15:25:52,290 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31945 conditions, 2089 events. 617/2089 cut-off events. For 90334/91002 co-relation queries the response was YES. Maximal size of possible extension queue 302. Compared 20885 event pairs, 1 based on Foata normal form. 73/2158 useless extension candidates. Maximal degree in co-relation 31729. Up to 791 conditions per place. [2021-03-26 15:25:52,304 INFO L142 LiptonReduction]: Number of co-enabled transitions 786 [2021-03-26 15:25:52,506 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:25:52,506 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:25:52,506 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 729 [2021-03-26 15:25:52,507 INFO L480 AbstractCegarLoop]: Abstraction has has 205 places, 844 transitions, 34382 flow [2021-03-26 15:25:52,507 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:52,507 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:25:52,507 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:25:52,507 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-03-26 15:25:52,507 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:25:52,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:25:52,507 INFO L82 PathProgramCache]: Analyzing trace with hash -2035564207, now seen corresponding path program 8 times [2021-03-26 15:25:52,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:25:52,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167443302] [2021-03-26 15:25:52,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:25:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:25:52,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:52,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:25:52,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:52,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:52,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:52,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:52,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:52,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:52,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:52,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:52,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:52,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:52,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:52,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:52,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:52,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:52,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:52,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:52,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:52,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:25:52,562 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 15:25:52,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167443302] [2021-03-26 15:25:52,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:25:52,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:25:52,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665672139] [2021-03-26 15:25:52,563 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:25:52,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:25:52,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:25:52,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:25:52,564 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-26 15:25:52,564 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 844 transitions, 34382 flow. Second operand has 10 states, 10 states have (on average 31.2) internal successors, (312), 10 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:52,564 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:25:52,564 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-26 15:25:52,564 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:25:53,647 INFO L129 PetriNetUnfolder]: 678/2219 cut-off events. [2021-03-26 15:25:53,647 INFO L130 PetriNetUnfolder]: For 90998/91222 co-relation queries the response was YES. [2021-03-26 15:25:53,656 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35909 conditions, 2219 events. 678/2219 cut-off events. For 90998/91222 co-relation queries the response was YES. Maximal size of possible extension queue 311. Compared 21803 event pairs, 4 based on Foata normal form. 25/2242 useless extension candidates. Maximal degree in co-relation 35689. Up to 825 conditions per place. [2021-03-26 15:25:53,668 INFO L132 encePairwiseOnDemand]: 71/101 looper letters, 134 selfloop transitions, 701 changer transitions 20/866 dead transitions. [2021-03-26 15:25:53,668 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 866 transitions, 36486 flow [2021-03-26 15:25:53,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:25:53,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:25:53,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 526 transitions. [2021-03-26 15:25:53,669 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4006092916984006 [2021-03-26 15:25:53,669 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 526 transitions. [2021-03-26 15:25:53,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 526 transitions. [2021-03-26 15:25:53,669 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:25:53,669 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 526 transitions. [2021-03-26 15:25:53,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 40.46153846153846) internal successors, (526), 13 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:53,671 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 101.0) internal successors, (1414), 14 states have internal predecessors, (1414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:53,671 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 101.0) internal successors, (1414), 14 states have internal predecessors, (1414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:53,671 INFO L185 Difference]: Start difference. First operand has 205 places, 844 transitions, 34382 flow. Second operand 13 states and 526 transitions. [2021-03-26 15:25:53,671 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 866 transitions, 36486 flow [2021-03-26 15:25:53,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 866 transitions, 36213 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-03-26 15:25:53,955 INFO L241 Difference]: Finished difference. Result has 213 places, 827 transitions, 34453 flow [2021-03-26 15:25:53,956 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=34112, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=844, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=698, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=34453, PETRI_PLACES=213, PETRI_TRANSITIONS=827} [2021-03-26 15:25:53,956 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 173 predicate places. [2021-03-26 15:25:53,956 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:25:53,956 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 213 places, 827 transitions, 34453 flow [2021-03-26 15:25:53,956 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 213 places, 827 transitions, 34453 flow [2021-03-26 15:25:53,966 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 213 places, 827 transitions, 34453 flow [2021-03-26 15:25:54,420 INFO L129 PetriNetUnfolder]: 599/2049 cut-off events. [2021-03-26 15:25:54,420 INFO L130 PetriNetUnfolder]: For 91818/92504 co-relation queries the response was YES. [2021-03-26 15:25:54,425 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32220 conditions, 2049 events. 599/2049 cut-off events. For 91818/92504 co-relation queries the response was YES. Maximal size of possible extension queue 287. Compared 20645 event pairs, 1 based on Foata normal form. 74/2119 useless extension candidates. Maximal degree in co-relation 32012. Up to 774 conditions per place. [2021-03-26 15:25:54,439 INFO L142 LiptonReduction]: Number of co-enabled transitions 792 [2021-03-26 15:25:54,892 INFO L154 LiptonReduction]: Checked pairs total: 45 [2021-03-26 15:25:54,893 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:25:54,893 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 937 [2021-03-26 15:25:54,893 INFO L480 AbstractCegarLoop]: Abstraction has has 213 places, 826 transitions, 34426 flow [2021-03-26 15:25:54,893 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 31.2) internal successors, (312), 10 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:54,893 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:25:54,893 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:25:54,893 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-03-26 15:25:54,893 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:25:54,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:25:54,894 INFO L82 PathProgramCache]: Analyzing trace with hash 2115143193, now seen corresponding path program 9 times [2021-03-26 15:25:54,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:25:54,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412748134] [2021-03-26 15:25:54,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:25:54,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:25:54,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:54,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:25:54,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:54,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:54,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:54,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:54,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:54,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:54,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:54,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:54,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:54,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:54,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:54,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:54,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:54,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:54,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:54,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:54,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:54,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:25:54,949 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 15:25:54,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412748134] [2021-03-26 15:25:54,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:25:54,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:25:54,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320868883] [2021-03-26 15:25:54,949 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:25:54,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:25:54,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:25:54,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:25:54,950 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-26 15:25:54,950 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 826 transitions, 34426 flow. Second operand has 11 states, 11 states have (on average 31.09090909090909) internal successors, (342), 11 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:54,950 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:25:54,950 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-26 15:25:54,950 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:25:56,160 INFO L129 PetriNetUnfolder]: 652/2169 cut-off events. [2021-03-26 15:25:56,161 INFO L130 PetriNetUnfolder]: For 90018/90245 co-relation queries the response was YES. [2021-03-26 15:25:56,167 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35688 conditions, 2169 events. 652/2169 cut-off events. For 90018/90245 co-relation queries the response was YES. Maximal size of possible extension queue 308. Compared 21450 event pairs, 4 based on Foata normal form. 25/2192 useless extension candidates. Maximal degree in co-relation 35463. Up to 791 conditions per place. [2021-03-26 15:25:56,175 INFO L132 encePairwiseOnDemand]: 71/101 looper letters, 136 selfloop transitions, 675 changer transitions 17/839 dead transitions. [2021-03-26 15:25:56,175 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 839 transitions, 35813 flow [2021-03-26 15:25:56,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 15:25:56,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 15:25:56,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 662 transitions. [2021-03-26 15:25:56,177 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.38555620267909146 [2021-03-26 15:25:56,177 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 662 transitions. [2021-03-26 15:25:56,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 662 transitions. [2021-03-26 15:25:56,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:25:56,177 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 662 transitions. [2021-03-26 15:25:56,178 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 38.94117647058823) internal successors, (662), 17 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:56,179 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 101.0) internal successors, (1818), 18 states have internal predecessors, (1818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:56,179 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 101.0) internal successors, (1818), 18 states have internal predecessors, (1818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:56,179 INFO L185 Difference]: Start difference. First operand has 213 places, 826 transitions, 34426 flow. Second operand 17 states and 662 transitions. [2021-03-26 15:25:56,180 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 839 transitions, 35813 flow [2021-03-26 15:25:56,432 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 839 transitions, 34855 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-03-26 15:25:56,451 INFO L241 Difference]: Finished difference. Result has 221 places, 801 transitions, 33518 flow [2021-03-26 15:25:56,452 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=32790, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=814, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=672, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=33518, PETRI_PLACES=221, PETRI_TRANSITIONS=801} [2021-03-26 15:25:56,452 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 181 predicate places. [2021-03-26 15:25:56,452 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:25:56,452 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 221 places, 801 transitions, 33518 flow [2021-03-26 15:25:56,452 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 221 places, 801 transitions, 33518 flow [2021-03-26 15:25:56,461 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 221 places, 801 transitions, 33518 flow [2021-03-26 15:25:56,902 INFO L129 PetriNetUnfolder]: 582/2009 cut-off events. [2021-03-26 15:25:56,902 INFO L130 PetriNetUnfolder]: For 88014/88452 co-relation queries the response was YES. [2021-03-26 15:25:56,908 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31686 conditions, 2009 events. 582/2009 cut-off events. For 88014/88452 co-relation queries the response was YES. Maximal size of possible extension queue 282. Compared 20123 event pairs, 1 based on Foata normal form. 74/2081 useless extension candidates. Maximal degree in co-relation 31465. Up to 737 conditions per place. [2021-03-26 15:25:56,921 INFO L142 LiptonReduction]: Number of co-enabled transitions 796 [2021-03-26 15:25:57,101 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:25:57,101 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:25:57,101 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 649 [2021-03-26 15:25:57,102 INFO L480 AbstractCegarLoop]: Abstraction has has 221 places, 801 transitions, 33518 flow [2021-03-26 15:25:57,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 31.09090909090909) internal successors, (342), 11 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:57,102 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:25:57,102 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:25:57,102 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-03-26 15:25:57,102 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:25:57,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:25:57,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1311056526, now seen corresponding path program 7 times [2021-03-26 15:25:57,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:25:57,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301703512] [2021-03-26 15:25:57,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:25:57,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:25:57,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:57,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:25:57,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:57,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:57,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:57,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:57,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:57,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:57,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:57,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:57,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:57,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:57,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:57,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:57,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:57,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:57,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:57,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:57,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:57,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:25:57,140 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 15:25:57,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301703512] [2021-03-26 15:25:57,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:25:57,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:25:57,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323383550] [2021-03-26 15:25:57,141 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 15:25:57,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:25:57,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 15:25:57,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-26 15:25:57,142 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-26 15:25:57,142 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 801 transitions, 33518 flow. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:57,142 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:25:57,142 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-26 15:25:57,142 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:25:58,125 INFO L129 PetriNetUnfolder]: 601/2058 cut-off events. [2021-03-26 15:25:58,125 INFO L130 PetriNetUnfolder]: For 91845/92075 co-relation queries the response was YES. [2021-03-26 15:25:58,132 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34451 conditions, 2058 events. 601/2058 cut-off events. For 91845/92075 co-relation queries the response was YES. Maximal size of possible extension queue 302. Compared 20424 event pairs, 8 based on Foata normal form. 76/2131 useless extension candidates. Maximal degree in co-relation 34242. Up to 732 conditions per place. [2021-03-26 15:25:58,140 INFO L132 encePairwiseOnDemand]: 71/101 looper letters, 192 selfloop transitions, 560 changer transitions 61/824 dead transitions. [2021-03-26 15:25:58,140 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 824 transitions, 35401 flow [2021-03-26 15:25:58,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 15:25:58,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 15:25:58,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 382 transitions. [2021-03-26 15:25:58,141 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42024202420242024 [2021-03-26 15:25:58,141 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 382 transitions. [2021-03-26 15:25:58,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 382 transitions. [2021-03-26 15:25:58,141 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:25:58,141 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 382 transitions. [2021-03-26 15:25:58,142 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 42.44444444444444) internal successors, (382), 9 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:58,142 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:58,142 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:58,142 INFO L185 Difference]: Start difference. First operand has 221 places, 801 transitions, 33518 flow. Second operand 9 states and 382 transitions. [2021-03-26 15:25:58,142 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 824 transitions, 35401 flow [2021-03-26 15:25:58,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 824 transitions, 33781 flow, removed 3 selfloop flow, removed 15 redundant places. [2021-03-26 15:25:58,409 INFO L241 Difference]: Finished difference. Result has 214 places, 740 transitions, 29868 flow [2021-03-26 15:25:58,409 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=31034, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=782, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=553, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=29868, PETRI_PLACES=214, PETRI_TRANSITIONS=740} [2021-03-26 15:25:58,409 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 174 predicate places. [2021-03-26 15:25:58,409 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:25:58,410 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 214 places, 740 transitions, 29868 flow [2021-03-26 15:25:58,410 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 214 places, 740 transitions, 29868 flow [2021-03-26 15:25:58,419 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 214 places, 740 transitions, 29868 flow [2021-03-26 15:25:58,776 INFO L129 PetriNetUnfolder]: 503/1791 cut-off events. [2021-03-26 15:25:58,776 INFO L130 PetriNetUnfolder]: For 77701/77898 co-relation queries the response was YES. [2021-03-26 15:25:58,781 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26813 conditions, 1791 events. 503/1791 cut-off events. For 77701/77898 co-relation queries the response was YES. Maximal size of possible extension queue 238. Compared 17488 event pairs, 1 based on Foata normal form. 26/1815 useless extension candidates. Maximal degree in co-relation 26587. Up to 636 conditions per place. [2021-03-26 15:25:58,793 INFO L142 LiptonReduction]: Number of co-enabled transitions 734 [2021-03-26 15:25:58,934 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:25:58,935 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:25:58,935 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 526 [2021-03-26 15:25:58,935 INFO L480 AbstractCegarLoop]: Abstraction has has 214 places, 740 transitions, 29868 flow [2021-03-26 15:25:58,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:58,935 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:25:58,935 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:25:58,935 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-03-26 15:25:58,935 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:25:58,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:25:58,936 INFO L82 PathProgramCache]: Analyzing trace with hash 784345123, now seen corresponding path program 2 times [2021-03-26 15:25:58,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:25:58,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151249884] [2021-03-26 15:25:58,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:25:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:25:58,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:58,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:25:58,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:58,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:58,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:58,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:58,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:58,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:58,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:58,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:58,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:58,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:58,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:58,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:58,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:58,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:58,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:58,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:25:58,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:25:58,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:25:58,980 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 15:25:58,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151249884] [2021-03-26 15:25:58,980 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:25:58,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:25:58,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013155445] [2021-03-26 15:25:58,980 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:25:58,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:25:58,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:25:58,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:25:58,981 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-26 15:25:58,981 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 740 transitions, 29868 flow. Second operand has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:58,981 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:25:58,981 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-26 15:25:58,982 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:25:59,921 INFO L129 PetriNetUnfolder]: 537/1909 cut-off events. [2021-03-26 15:25:59,921 INFO L130 PetriNetUnfolder]: For 89634/89862 co-relation queries the response was YES. [2021-03-26 15:25:59,926 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30934 conditions, 1909 events. 537/1909 cut-off events. For 89634/89862 co-relation queries the response was YES. Maximal size of possible extension queue 277. Compared 18913 event pairs, 8 based on Foata normal form. 78/1984 useless extension candidates. Maximal degree in co-relation 30727. Up to 684 conditions per place. [2021-03-26 15:25:59,934 INFO L132 encePairwiseOnDemand]: 73/101 looper letters, 194 selfloop transitions, 557 changer transitions 60/822 dead transitions. [2021-03-26 15:25:59,934 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 822 transitions, 34262 flow [2021-03-26 15:25:59,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:25:59,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:25:59,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 496 transitions. [2021-03-26 15:25:59,935 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40924092409240925 [2021-03-26 15:25:59,935 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 496 transitions. [2021-03-26 15:25:59,935 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 496 transitions. [2021-03-26 15:25:59,935 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:25:59,935 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 496 transitions. [2021-03-26 15:25:59,936 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 41.333333333333336) internal successors, (496), 12 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:59,936 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 101.0) internal successors, (1313), 13 states have internal predecessors, (1313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:59,937 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 101.0) internal successors, (1313), 13 states have internal predecessors, (1313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:25:59,937 INFO L185 Difference]: Start difference. First operand has 214 places, 740 transitions, 29868 flow. Second operand 12 states and 496 transitions. [2021-03-26 15:25:59,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 822 transitions, 34262 flow [2021-03-26 15:26:00,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 822 transitions, 33701 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-03-26 15:26:00,183 INFO L241 Difference]: Finished difference. Result has 221 places, 733 transitions, 29774 flow [2021-03-26 15:26:00,184 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=29196, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=734, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=515, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=29774, PETRI_PLACES=221, PETRI_TRANSITIONS=733} [2021-03-26 15:26:00,184 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 181 predicate places. [2021-03-26 15:26:00,184 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:26:00,184 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 221 places, 733 transitions, 29774 flow [2021-03-26 15:26:00,184 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 221 places, 733 transitions, 29774 flow [2021-03-26 15:26:00,196 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 221 places, 733 transitions, 29774 flow [2021-03-26 15:26:00,516 INFO L129 PetriNetUnfolder]: 462/1611 cut-off events. [2021-03-26 15:26:00,516 INFO L130 PetriNetUnfolder]: For 79674/79774 co-relation queries the response was YES. [2021-03-26 15:26:00,521 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23521 conditions, 1611 events. 462/1611 cut-off events. For 79674/79774 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 15256 event pairs, 1 based on Foata normal form. 21/1631 useless extension candidates. Maximal degree in co-relation 23301. Up to 552 conditions per place. [2021-03-26 15:26:00,532 INFO L142 LiptonReduction]: Number of co-enabled transitions 714 [2021-03-26 15:26:00,655 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:26:00,655 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:26:00,656 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 472 [2021-03-26 15:26:00,656 INFO L480 AbstractCegarLoop]: Abstraction has has 221 places, 733 transitions, 29774 flow [2021-03-26 15:26:00,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:00,656 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:26:00,656 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:26:00,656 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-03-26 15:26:00,656 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:26:00,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:26:00,657 INFO L82 PathProgramCache]: Analyzing trace with hash -2071979470, now seen corresponding path program 8 times [2021-03-26 15:26:00,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:26:00,657 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33458193] [2021-03-26 15:26:00,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:26:00,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:26:00,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:00,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:26:00,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:00,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:00,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:00,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:00,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:00,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:00,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:00,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:00,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:00,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:00,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:00,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:00,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:00,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:00,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:00,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:00,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:00,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:26:00,714 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 15:26:00,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33458193] [2021-03-26 15:26:00,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:26:00,714 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:26:00,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982042581] [2021-03-26 15:26:00,714 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:26:00,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:26:00,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:26:00,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:26:00,715 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-26 15:26:00,715 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 733 transitions, 29774 flow. Second operand has 11 states, 11 states have (on average 31.09090909090909) internal successors, (342), 11 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:00,715 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:26:00,715 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-26 15:26:00,715 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:26:01,727 INFO L129 PetriNetUnfolder]: 506/1703 cut-off events. [2021-03-26 15:26:01,727 INFO L130 PetriNetUnfolder]: For 84179/84564 co-relation queries the response was YES. [2021-03-26 15:26:01,731 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26849 conditions, 1703 events. 506/1703 cut-off events. For 84179/84564 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 16075 event pairs, 4 based on Foata normal form. 59/1758 useless extension candidates. Maximal degree in co-relation 26650. Up to 589 conditions per place. [2021-03-26 15:26:01,738 INFO L132 encePairwiseOnDemand]: 73/101 looper letters, 132 selfloop transitions, 600 changer transitions 55/798 dead transitions. [2021-03-26 15:26:01,738 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 798 transitions, 33094 flow [2021-03-26 15:26:01,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 15:26:01,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 15:26:01,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 677 transitions. [2021-03-26 15:26:01,739 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39429237041351195 [2021-03-26 15:26:01,739 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 677 transitions. [2021-03-26 15:26:01,739 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 677 transitions. [2021-03-26 15:26:01,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:26:01,740 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 677 transitions. [2021-03-26 15:26:01,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 39.8235294117647) internal successors, (677), 17 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:01,742 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 101.0) internal successors, (1818), 18 states have internal predecessors, (1818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:01,742 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 101.0) internal successors, (1818), 18 states have internal predecessors, (1818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:01,742 INFO L185 Difference]: Start difference. First operand has 221 places, 733 transitions, 29774 flow. Second operand 17 states and 677 transitions. [2021-03-26 15:26:01,742 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 798 transitions, 33094 flow [2021-03-26 15:26:01,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 798 transitions, 33002 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-26 15:26:01,949 INFO L241 Difference]: Finished difference. Result has 235 places, 722 transitions, 29915 flow [2021-03-26 15:26:01,949 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=29658, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=731, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=568, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=29915, PETRI_PLACES=235, PETRI_TRANSITIONS=722} [2021-03-26 15:26:01,950 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 195 predicate places. [2021-03-26 15:26:01,950 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:26:01,950 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 235 places, 722 transitions, 29915 flow [2021-03-26 15:26:01,950 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 235 places, 722 transitions, 29915 flow [2021-03-26 15:26:01,959 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 235 places, 722 transitions, 29915 flow [2021-03-26 15:26:02,245 INFO L129 PetriNetUnfolder]: 435/1497 cut-off events. [2021-03-26 15:26:02,245 INFO L130 PetriNetUnfolder]: For 80538/80591 co-relation queries the response was YES. [2021-03-26 15:26:02,250 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22283 conditions, 1497 events. 435/1497 cut-off events. For 80538/80591 co-relation queries the response was YES. Maximal size of possible extension queue 202. Compared 13915 event pairs, 1 based on Foata normal form. 14/1511 useless extension candidates. Maximal degree in co-relation 22070. Up to 541 conditions per place. [2021-03-26 15:26:02,265 INFO L142 LiptonReduction]: Number of co-enabled transitions 680 [2021-03-26 15:26:02,411 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:26:02,412 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:26:02,412 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 462 [2021-03-26 15:26:02,412 INFO L480 AbstractCegarLoop]: Abstraction has has 235 places, 722 transitions, 29915 flow [2021-03-26 15:26:02,412 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 31.09090909090909) internal successors, (342), 11 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:02,412 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:26:02,412 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:26:02,412 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-03-26 15:26:02,412 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:26:02,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:26:02,413 INFO L82 PathProgramCache]: Analyzing trace with hash -786067021, now seen corresponding path program 10 times [2021-03-26 15:26:02,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:26:02,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125561862] [2021-03-26 15:26:02,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:26:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:26:02,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:02,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:26:02,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:02,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:02,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:02,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:02,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:02,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:02,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:02,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:02,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:02,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:02,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:02,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:02,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:02,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:26:02,455 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 15:26:02,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125561862] [2021-03-26 15:26:02,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:26:02,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:26:02,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590147516] [2021-03-26 15:26:02,456 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:26:02,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:26:02,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:26:02,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:26:02,457 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-26 15:26:02,457 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 722 transitions, 29915 flow. Second operand has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:02,457 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:26:02,457 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-26 15:26:02,457 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:26:03,193 INFO L129 PetriNetUnfolder]: 438/1495 cut-off events. [2021-03-26 15:26:03,193 INFO L130 PetriNetUnfolder]: For 80853/80889 co-relation queries the response was YES. [2021-03-26 15:26:03,197 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24204 conditions, 1495 events. 438/1495 cut-off events. For 80853/80889 co-relation queries the response was YES. Maximal size of possible extension queue 200. Compared 13851 event pairs, 4 based on Foata normal form. 24/1517 useless extension candidates. Maximal degree in co-relation 24013. Up to 499 conditions per place. [2021-03-26 15:26:03,203 INFO L132 encePairwiseOnDemand]: 73/101 looper letters, 118 selfloop transitions, 568 changer transitions 19/716 dead transitions. [2021-03-26 15:26:03,203 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 716 transitions, 30972 flow [2021-03-26 15:26:03,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 15:26:03,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 15:26:03,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 402 transitions. [2021-03-26 15:26:03,204 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39801980198019804 [2021-03-26 15:26:03,205 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 402 transitions. [2021-03-26 15:26:03,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 402 transitions. [2021-03-26 15:26:03,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:26:03,205 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 402 transitions. [2021-03-26 15:26:03,205 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 40.2) internal successors, (402), 10 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:03,206 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 101.0) internal successors, (1111), 11 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:03,206 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 101.0) internal successors, (1111), 11 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:03,206 INFO L185 Difference]: Start difference. First operand has 235 places, 722 transitions, 29915 flow. Second operand 10 states and 402 transitions. [2021-03-26 15:26:03,206 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 716 transitions, 30972 flow [2021-03-26 15:26:03,399 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 716 transitions, 30924 flow, removed 8 selfloop flow, removed 2 redundant places. [2021-03-26 15:26:03,417 INFO L241 Difference]: Finished difference. Result has 242 places, 690 transitions, 29631 flow [2021-03-26 15:26:03,417 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=28877, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=698, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=564, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=29631, PETRI_PLACES=242, PETRI_TRANSITIONS=690} [2021-03-26 15:26:03,417 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 202 predicate places. [2021-03-26 15:26:03,417 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:26:03,418 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 242 places, 690 transitions, 29631 flow [2021-03-26 15:26:03,418 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 242 places, 690 transitions, 29631 flow [2021-03-26 15:26:03,426 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 242 places, 690 transitions, 29631 flow [2021-03-26 15:26:03,693 INFO L129 PetriNetUnfolder]: 392/1400 cut-off events. [2021-03-26 15:26:03,693 INFO L130 PetriNetUnfolder]: For 77301/77358 co-relation queries the response was YES. [2021-03-26 15:26:03,697 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21760 conditions, 1400 events. 392/1400 cut-off events. For 77301/77358 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 13054 event pairs, 1 based on Foata normal form. 16/1416 useless extension candidates. Maximal degree in co-relation 21547. Up to 499 conditions per place. [2021-03-26 15:26:03,706 INFO L142 LiptonReduction]: Number of co-enabled transitions 680 [2021-03-26 15:26:03,825 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:26:03,825 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:26:03,825 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 408 [2021-03-26 15:26:03,825 INFO L480 AbstractCegarLoop]: Abstraction has has 242 places, 690 transitions, 29631 flow [2021-03-26 15:26:03,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:03,826 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:26:03,826 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:26:03,826 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-03-26 15:26:03,826 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:26:03,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:26:03,826 INFO L82 PathProgramCache]: Analyzing trace with hash -1672157795, now seen corresponding path program 11 times [2021-03-26 15:26:03,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:26:03,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753480374] [2021-03-26 15:26:03,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:26:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:26:03,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:03,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:26:03,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:03,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:03,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:03,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:03,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:03,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:03,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:03,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:03,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:03,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:03,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:03,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:26:03,863 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 15:26:03,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753480374] [2021-03-26 15:26:03,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:26:03,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:26:03,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127913914] [2021-03-26 15:26:03,864 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 15:26:03,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:26:03,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 15:26:03,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-26 15:26:03,864 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-26 15:26:03,865 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 690 transitions, 29631 flow. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:03,865 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:26:03,865 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-26 15:26:03,865 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:26:04,514 INFO L129 PetriNetUnfolder]: 307/1229 cut-off events. [2021-03-26 15:26:04,514 INFO L130 PetriNetUnfolder]: For 73768/73806 co-relation queries the response was YES. [2021-03-26 15:26:04,517 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20537 conditions, 1229 events. 307/1229 cut-off events. For 73768/73806 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 11498 event pairs, 5 based on Foata normal form. 71/1298 useless extension candidates. Maximal degree in co-relation 20353. Up to 385 conditions per place. [2021-03-26 15:26:04,522 INFO L132 encePairwiseOnDemand]: 74/101 looper letters, 170 selfloop transitions, 382 changer transitions 47/610 dead transitions. [2021-03-26 15:26:04,522 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 610 transitions, 26879 flow [2021-03-26 15:26:04,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 15:26:04,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 15:26:04,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 363 transitions. [2021-03-26 15:26:04,523 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39933993399339934 [2021-03-26 15:26:04,523 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 363 transitions. [2021-03-26 15:26:04,523 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 363 transitions. [2021-03-26 15:26:04,523 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:26:04,523 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 363 transitions. [2021-03-26 15:26:04,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 40.333333333333336) internal successors, (363), 9 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:04,524 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:04,524 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:04,525 INFO L185 Difference]: Start difference. First operand has 242 places, 690 transitions, 29631 flow. Second operand 9 states and 363 transitions. [2021-03-26 15:26:04,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 610 transitions, 26879 flow [2021-03-26 15:26:04,695 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 610 transitions, 26242 flow, removed 27 selfloop flow, removed 5 redundant places. [2021-03-26 15:26:04,710 INFO L241 Difference]: Finished difference. Result has 245 places, 557 transitions, 23055 flow [2021-03-26 15:26:04,710 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=24888, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=602, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=382, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=220, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=23055, PETRI_PLACES=245, PETRI_TRANSITIONS=557} [2021-03-26 15:26:04,710 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 205 predicate places. [2021-03-26 15:26:04,710 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:26:04,710 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 245 places, 557 transitions, 23055 flow [2021-03-26 15:26:04,711 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 245 places, 557 transitions, 23055 flow [2021-03-26 15:26:04,717 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 245 places, 557 transitions, 23055 flow [2021-03-26 15:26:04,906 INFO L129 PetriNetUnfolder]: 267/1077 cut-off events. [2021-03-26 15:26:04,906 INFO L130 PetriNetUnfolder]: For 53735/53786 co-relation queries the response was YES. [2021-03-26 15:26:04,909 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16406 conditions, 1077 events. 267/1077 cut-off events. For 53735/53786 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 9910 event pairs, 1 based on Foata normal form. 4/1080 useless extension candidates. Maximal degree in co-relation 16218. Up to 324 conditions per place. [2021-03-26 15:26:04,917 INFO L142 LiptonReduction]: Number of co-enabled transitions 630 [2021-03-26 15:26:04,969 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:26:04,970 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:26:04,970 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 260 [2021-03-26 15:26:04,970 INFO L480 AbstractCegarLoop]: Abstraction has has 245 places, 557 transitions, 23055 flow [2021-03-26 15:26:04,970 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:04,970 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:26:04,970 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:26:04,970 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-03-26 15:26:04,970 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:26:04,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:26:04,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1970571761, now seen corresponding path program 10 times [2021-03-26 15:26:04,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:26:04,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256856146] [2021-03-26 15:26:04,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:26:04,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:26:04,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:04,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:26:04,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:04,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:04,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:04,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:04,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:04,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:04,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:04,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:04,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:05,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:26:05,000 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 15:26:05,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256856146] [2021-03-26 15:26:05,000 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:26:05,000 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 15:26:05,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141346360] [2021-03-26 15:26:05,000 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 15:26:05,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:26:05,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 15:26:05,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-26 15:26:05,001 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-26 15:26:05,001 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 557 transitions, 23055 flow. Second operand has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 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 15:26:05,001 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:26:05,001 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-26 15:26:05,001 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:26:05,395 INFO L129 PetriNetUnfolder]: 213/869 cut-off events. [2021-03-26 15:26:05,396 INFO L130 PetriNetUnfolder]: For 58489/58527 co-relation queries the response was YES. [2021-03-26 15:26:05,399 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14912 conditions, 869 events. 213/869 cut-off events. For 58489/58527 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 7396 event pairs, 8 based on Foata normal form. 45/913 useless extension candidates. Maximal degree in co-relation 14796. Up to 410 conditions per place. [2021-03-26 15:26:05,403 INFO L132 encePairwiseOnDemand]: 76/101 looper letters, 199 selfloop transitions, 175 changer transitions 57/442 dead transitions. [2021-03-26 15:26:05,403 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 442 transitions, 19092 flow [2021-03-26 15:26:05,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 15:26:05,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 15:26:05,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 311 transitions. [2021-03-26 15:26:05,404 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3849009900990099 [2021-03-26 15:26:05,404 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 311 transitions. [2021-03-26 15:26:05,404 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 311 transitions. [2021-03-26 15:26:05,404 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:26:05,405 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 311 transitions. [2021-03-26 15:26:05,405 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 38.875) internal successors, (311), 8 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:05,406 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 101.0) internal successors, (909), 9 states have internal predecessors, (909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:05,406 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 101.0) internal successors, (909), 9 states have internal predecessors, (909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:05,406 INFO L185 Difference]: Start difference. First operand has 245 places, 557 transitions, 23055 flow. Second operand 8 states and 311 transitions. [2021-03-26 15:26:05,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 442 transitions, 19092 flow [2021-03-26 15:26:05,532 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 442 transitions, 18903 flow, removed 9 selfloop flow, removed 3 redundant places. [2021-03-26 15:26:05,542 INFO L241 Difference]: Finished difference. Result has 249 places, 383 transitions, 15188 flow [2021-03-26 15:26:05,542 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=17703, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=432, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=175, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=15188, PETRI_PLACES=249, PETRI_TRANSITIONS=383} [2021-03-26 15:26:05,542 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 209 predicate places. [2021-03-26 15:26:05,542 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:26:05,542 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 249 places, 383 transitions, 15188 flow [2021-03-26 15:26:05,543 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 249 places, 383 transitions, 15188 flow [2021-03-26 15:26:05,547 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 249 places, 383 transitions, 15188 flow [2021-03-26 15:26:05,636 INFO L129 PetriNetUnfolder]: 169/684 cut-off events. [2021-03-26 15:26:05,636 INFO L130 PetriNetUnfolder]: For 34851/34888 co-relation queries the response was YES. [2021-03-26 15:26:05,637 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10214 conditions, 684 events. 169/684 cut-off events. For 34851/34888 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 5386 event pairs, 1 based on Foata normal form. 5/688 useless extension candidates. Maximal degree in co-relation 10099. Up to 203 conditions per place. [2021-03-26 15:26:05,641 INFO L142 LiptonReduction]: Number of co-enabled transitions 244 [2021-03-26 15:26:05,664 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:26:05,664 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:26:05,664 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 122 [2021-03-26 15:26:05,664 INFO L480 AbstractCegarLoop]: Abstraction has has 249 places, 383 transitions, 15188 flow [2021-03-26 15:26:05,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 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 15:26:05,665 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:26:05,665 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:26:05,665 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-03-26 15:26:05,665 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:26:05,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:26:05,665 INFO L82 PathProgramCache]: Analyzing trace with hash 541270460, now seen corresponding path program 9 times [2021-03-26 15:26:05,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:26:05,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433071124] [2021-03-26 15:26:05,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:26:05,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:26:05,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:05,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:26:05,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:05,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:05,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:05,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:05,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:05,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:05,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:05,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:05,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:05,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:05,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:05,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:05,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:05,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:05,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:05,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:26:05,712 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 15:26:05,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433071124] [2021-03-26 15:26:05,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:26:05,712 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:26:05,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587027816] [2021-03-26 15:26:05,712 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:26:05,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:26:05,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:26:05,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:26:05,713 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-26 15:26:05,713 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 383 transitions, 15188 flow. Second operand has 10 states, 10 states have (on average 31.2) internal successors, (312), 10 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:05,713 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:26:05,713 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-26 15:26:05,713 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:26:06,103 INFO L129 PetriNetUnfolder]: 151/652 cut-off events. [2021-03-26 15:26:06,104 INFO L130 PetriNetUnfolder]: For 34336/34374 co-relation queries the response was YES. [2021-03-26 15:26:06,105 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10589 conditions, 652 events. 151/652 cut-off events. For 34336/34374 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 5131 event pairs, 4 based on Foata normal form. 20/671 useless extension candidates. Maximal degree in co-relation 10474. Up to 229 conditions per place. [2021-03-26 15:26:06,107 INFO L132 encePairwiseOnDemand]: 78/101 looper letters, 105 selfloop transitions, 216 changer transitions 35/367 dead transitions. [2021-03-26 15:26:06,107 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 367 transitions, 15329 flow [2021-03-26 15:26:06,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:26:06,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:26:06,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 486 transitions. [2021-03-26 15:26:06,108 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.37014470677837014 [2021-03-26 15:26:06,109 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 486 transitions. [2021-03-26 15:26:06,109 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 486 transitions. [2021-03-26 15:26:06,109 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:26:06,109 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 486 transitions. [2021-03-26 15:26:06,109 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 37.38461538461539) internal successors, (486), 13 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 15:26:06,110 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 101.0) internal successors, (1414), 14 states have internal predecessors, (1414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:06,110 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 101.0) internal successors, (1414), 14 states have internal predecessors, (1414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:06,110 INFO L185 Difference]: Start difference. First operand has 249 places, 383 transitions, 15188 flow. Second operand 13 states and 486 transitions. [2021-03-26 15:26:06,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 367 transitions, 15329 flow [2021-03-26 15:26:06,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 367 transitions, 14272 flow, removed 31 selfloop flow, removed 14 redundant places. [2021-03-26 15:26:06,212 INFO L241 Difference]: Finished difference. Result has 247 places, 329 transitions, 12086 flow [2021-03-26 15:26:06,212 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=13411, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=213, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=12086, PETRI_PLACES=247, PETRI_TRANSITIONS=329} [2021-03-26 15:26:06,212 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 207 predicate places. [2021-03-26 15:26:06,212 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:26:06,212 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 247 places, 329 transitions, 12086 flow [2021-03-26 15:26:06,212 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 247 places, 329 transitions, 12086 flow [2021-03-26 15:26:06,216 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 247 places, 329 transitions, 12086 flow [2021-03-26 15:26:06,284 INFO L129 PetriNetUnfolder]: 135/574 cut-off events. [2021-03-26 15:26:06,284 INFO L130 PetriNetUnfolder]: For 24709/24712 co-relation queries the response was YES. [2021-03-26 15:26:06,285 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8264 conditions, 574 events. 135/574 cut-off events. For 24709/24712 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 4392 event pairs, 1 based on Foata normal form. 3/577 useless extension candidates. Maximal degree in co-relation 8161. Up to 182 conditions per place. [2021-03-26 15:26:06,288 INFO L142 LiptonReduction]: Number of co-enabled transitions 244 [2021-03-26 15:26:06,325 INFO L154 LiptonReduction]: Checked pairs total: 11 [2021-03-26 15:26:06,325 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:26:06,325 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 113 [2021-03-26 15:26:06,325 INFO L480 AbstractCegarLoop]: Abstraction has has 247 places, 328 transitions, 12061 flow [2021-03-26 15:26:06,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 31.2) internal successors, (312), 10 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:06,325 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:26:06,326 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:26:06,326 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-03-26 15:26:06,326 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:26:06,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:26:06,326 INFO L82 PathProgramCache]: Analyzing trace with hash 2931615, now seen corresponding path program 3 times [2021-03-26 15:26:06,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:26:06,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273832793] [2021-03-26 15:26:06,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:26:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:26:06,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:06,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:26:06,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:06,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:06,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:06,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:06,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:06,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:06,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:06,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:06,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:06,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:06,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:06,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:06,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:06,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:06,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:06,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:06,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:06,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:26:06,373 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 15:26:06,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273832793] [2021-03-26 15:26:06,373 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:26:06,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:26:06,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002223988] [2021-03-26 15:26:06,373 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 15:26:06,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:26:06,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 15:26:06,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-26 15:26:06,374 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-26 15:26:06,374 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 328 transitions, 12061 flow. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:06,374 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:26:06,374 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-26 15:26:06,374 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:26:06,706 INFO L129 PetriNetUnfolder]: 128/560 cut-off events. [2021-03-26 15:26:06,707 INFO L130 PetriNetUnfolder]: For 23863/23903 co-relation queries the response was YES. [2021-03-26 15:26:06,708 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8382 conditions, 560 events. 128/560 cut-off events. For 23863/23903 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 4215 event pairs, 5 based on Foata normal form. 13/572 useless extension candidates. Maximal degree in co-relation 8273. Up to 251 conditions per place. [2021-03-26 15:26:06,710 INFO L132 encePairwiseOnDemand]: 78/101 looper letters, 123 selfloop transitions, 119 changer transitions 53/306 dead transitions. [2021-03-26 15:26:06,710 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 306 transitions, 11517 flow [2021-03-26 15:26:06,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 15:26:06,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 15:26:06,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 345 transitions. [2021-03-26 15:26:06,711 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3795379537953795 [2021-03-26 15:26:06,711 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 345 transitions. [2021-03-26 15:26:06,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 345 transitions. [2021-03-26 15:26:06,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:26:06,711 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 345 transitions. [2021-03-26 15:26:06,711 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 38.333333333333336) internal successors, (345), 9 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 15:26:06,712 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:06,712 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:06,712 INFO L185 Difference]: Start difference. First operand has 247 places, 328 transitions, 12061 flow. Second operand 9 states and 345 transitions. [2021-03-26 15:26:06,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 306 transitions, 11517 flow [2021-03-26 15:26:06,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 306 transitions, 10900 flow, removed 23 selfloop flow, removed 28 redundant places. [2021-03-26 15:26:06,792 INFO L241 Difference]: Finished difference. Result has 227 places, 251 transitions, 7809 flow [2021-03-26 15:26:06,792 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=10246, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=119, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=7809, PETRI_PLACES=227, PETRI_TRANSITIONS=251} [2021-03-26 15:26:06,792 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 187 predicate places. [2021-03-26 15:26:06,792 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:26:06,793 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 227 places, 251 transitions, 7809 flow [2021-03-26 15:26:06,793 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 227 places, 251 transitions, 7809 flow [2021-03-26 15:26:06,795 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 226 places, 251 transitions, 7809 flow [2021-03-26 15:26:06,840 INFO L129 PetriNetUnfolder]: 100/456 cut-off events. [2021-03-26 15:26:06,840 INFO L130 PetriNetUnfolder]: For 15968/16005 co-relation queries the response was YES. [2021-03-26 15:26:06,841 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5486 conditions, 456 events. 100/456 cut-off events. For 15968/16005 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 3251 event pairs, 1 based on Foata normal form. 3/458 useless extension candidates. Maximal degree in co-relation 5385. Up to 144 conditions per place. [2021-03-26 15:26:06,844 INFO L142 LiptonReduction]: Number of co-enabled transitions 206 [2021-03-26 15:26:06,855 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:26:06,855 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:26:06,855 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 63 [2021-03-26 15:26:06,855 INFO L480 AbstractCegarLoop]: Abstraction has has 226 places, 251 transitions, 7809 flow [2021-03-26 15:26:06,855 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:06,856 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:26:06,856 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:26:06,856 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-03-26 15:26:06,856 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:26:06,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:26:06,856 INFO L82 PathProgramCache]: Analyzing trace with hash 618784855, now seen corresponding path program 11 times [2021-03-26 15:26:06,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:26:06,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172663104] [2021-03-26 15:26:06,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:26:06,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:26:06,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:06,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:26:06,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:06,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:06,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:06,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:26:06,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:06,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:06,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:06,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:26:06,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:06,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:06,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:06,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:06,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:06,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:06,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:06,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:06,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:06,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:26:06,895 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 15:26:06,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172663104] [2021-03-26 15:26:06,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:26:06,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:26:06,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539219717] [2021-03-26 15:26:06,895 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 15:26:06,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:26:06,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 15:26:06,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-03-26 15:26:06,896 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-26 15:26:06,896 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 251 transitions, 7809 flow. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:06,896 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:26:06,896 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-26 15:26:06,896 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:26:07,160 INFO L129 PetriNetUnfolder]: 78/365 cut-off events. [2021-03-26 15:26:07,160 INFO L130 PetriNetUnfolder]: For 15498/15538 co-relation queries the response was YES. [2021-03-26 15:26:07,162 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5432 conditions, 365 events. 78/365 cut-off events. For 15498/15538 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2511 event pairs, 2 based on Foata normal form. 19/383 useless extension candidates. Maximal degree in co-relation 5362. Up to 121 conditions per place. [2021-03-26 15:26:07,163 INFO L132 encePairwiseOnDemand]: 79/101 looper letters, 38 selfloop transitions, 107 changer transitions 55/211 dead transitions. [2021-03-26 15:26:07,163 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 211 transitions, 7533 flow [2021-03-26 15:26:07,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 15:26:07,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 15:26:07,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 341 transitions. [2021-03-26 15:26:07,164 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.37513751375137516 [2021-03-26 15:26:07,164 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 341 transitions. [2021-03-26 15:26:07,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 341 transitions. [2021-03-26 15:26:07,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:26:07,165 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 341 transitions. [2021-03-26 15:26:07,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 37.888888888888886) internal successors, (341), 9 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 15:26:07,166 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:07,166 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:07,166 INFO L185 Difference]: Start difference. First operand has 226 places, 251 transitions, 7809 flow. Second operand 9 states and 341 transitions. [2021-03-26 15:26:07,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 211 transitions, 7533 flow [2021-03-26 15:26:07,225 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 211 transitions, 6615 flow, removed 10 selfloop flow, removed 37 redundant places. [2021-03-26 15:26:07,229 INFO L241 Difference]: Finished difference. Result has 197 places, 154 transitions, 5219 flow [2021-03-26 15:26:07,230 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=6159, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=107, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=5219, PETRI_PLACES=197, PETRI_TRANSITIONS=154} [2021-03-26 15:26:07,230 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 157 predicate places. [2021-03-26 15:26:07,230 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:26:07,230 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 197 places, 154 transitions, 5219 flow [2021-03-26 15:26:07,230 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 197 places, 154 transitions, 5219 flow [2021-03-26 15:26:07,232 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 197 places, 154 transitions, 5219 flow [2021-03-26 15:26:07,259 INFO L129 PetriNetUnfolder]: 41/228 cut-off events. [2021-03-26 15:26:07,259 INFO L130 PetriNetUnfolder]: For 9066/9067 co-relation queries the response was YES. [2021-03-26 15:26:07,260 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3312 conditions, 228 events. 41/228 cut-off events. For 9066/9067 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1340 event pairs, 0 based on Foata normal form. 1/229 useless extension candidates. Maximal degree in co-relation 3249. Up to 68 conditions per place. [2021-03-26 15:26:07,261 INFO L142 LiptonReduction]: Number of co-enabled transitions 98 [2021-03-26 15:26:07,268 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:26:07,268 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:26:07,268 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 38 [2021-03-26 15:26:07,269 INFO L480 AbstractCegarLoop]: Abstraction has has 197 places, 154 transitions, 5219 flow [2021-03-26 15:26:07,269 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:07,269 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:26:07,269 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:26:07,269 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-03-26 15:26:07,269 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:26:07,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:26:07,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1062909616, now seen corresponding path program 10 times [2021-03-26 15:26:07,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:26:07,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672404084] [2021-03-26 15:26:07,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:26:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:26:07,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:07,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:26:07,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:07,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:07,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:07,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:07,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:07,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:07,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:07,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:07,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:07,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:07,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:07,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:07,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:07,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:26:07,316 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 15:26:07,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672404084] [2021-03-26 15:26:07,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:26:07,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:26:07,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133903500] [2021-03-26 15:26:07,317 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:26:07,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:26:07,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:26:07,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:26:07,317 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-26 15:26:07,318 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 154 transitions, 5219 flow. Second operand has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:07,318 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:26:07,318 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-26 15:26:07,318 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:26:07,527 INFO L129 PetriNetUnfolder]: 29/180 cut-off events. [2021-03-26 15:26:07,527 INFO L130 PetriNetUnfolder]: For 9394/9434 co-relation queries the response was YES. [2021-03-26 15:26:07,528 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3281 conditions, 180 events. 29/180 cut-off events. For 9394/9434 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1050 event pairs, 1 based on Foata normal form. 15/194 useless extension candidates. Maximal degree in co-relation 3236. Up to 62 conditions per place. [2021-03-26 15:26:07,528 INFO L132 encePairwiseOnDemand]: 82/101 looper letters, 10 selfloop transitions, 41 changer transitions 64/126 dead transitions. [2021-03-26 15:26:07,528 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 126 transitions, 4915 flow [2021-03-26 15:26:07,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:26:07,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:26:07,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 394 transitions. [2021-03-26 15:26:07,529 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3546354635463546 [2021-03-26 15:26:07,529 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 394 transitions. [2021-03-26 15:26:07,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 394 transitions. [2021-03-26 15:26:07,529 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:26:07,529 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 394 transitions. [2021-03-26 15:26:07,530 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 35.81818181818182) internal successors, (394), 11 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:07,530 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 101.0) internal successors, (1212), 12 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:07,531 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 101.0) internal successors, (1212), 12 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:07,531 INFO L185 Difference]: Start difference. First operand has 197 places, 154 transitions, 5219 flow. Second operand 11 states and 394 transitions. [2021-03-26 15:26:07,531 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 126 transitions, 4915 flow [2021-03-26 15:26:07,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 126 transitions, 3111 flow, removed 3 selfloop flow, removed 62 redundant places. [2021-03-26 15:26:07,564 INFO L241 Difference]: Finished difference. Result has 142 places, 61 transitions, 1251 flow [2021-03-26 15:26:07,564 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=2839, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1251, PETRI_PLACES=142, PETRI_TRANSITIONS=61} [2021-03-26 15:26:07,564 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 102 predicate places. [2021-03-26 15:26:07,564 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:26:07,565 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 142 places, 61 transitions, 1251 flow [2021-03-26 15:26:07,565 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 142 places, 61 transitions, 1251 flow [2021-03-26 15:26:07,565 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 129 places, 61 transitions, 1251 flow [2021-03-26 15:26:07,571 INFO L129 PetriNetUnfolder]: 11/68 cut-off events. [2021-03-26 15:26:07,571 INFO L130 PetriNetUnfolder]: For 708/709 co-relation queries the response was YES. [2021-03-26 15:26:07,571 INFO L84 FinitePrefix]: Finished finitePrefix Result has 681 conditions, 68 events. 11/68 cut-off events. For 708/709 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 185 event pairs, 0 based on Foata normal form. 1/69 useless extension candidates. Maximal degree in co-relation 621. Up to 19 conditions per place. [2021-03-26 15:26:07,572 INFO L142 LiptonReduction]: Number of co-enabled transitions 8 [2021-03-26 15:26:07,573 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:26:07,573 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:26:07,573 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9 [2021-03-26 15:26:07,574 INFO L480 AbstractCegarLoop]: Abstraction has has 129 places, 61 transitions, 1251 flow [2021-03-26 15:26:07,574 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:07,574 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:26:07,574 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:26:07,574 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-03-26 15:26:07,574 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:26:07,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:26:07,574 INFO L82 PathProgramCache]: Analyzing trace with hash 1705606092, now seen corresponding path program 11 times [2021-03-26 15:26:07,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:26:07,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390130578] [2021-03-26 15:26:07,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:26:07,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:26:07,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:07,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:26:07,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:07,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:07,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:07,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:07,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:07,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:07,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:07,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:07,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:07,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:07,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:07,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:07,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:07,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:07,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:07,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:26:07,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:26:07,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:26:07,635 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 15:26:07,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390130578] [2021-03-26 15:26:07,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:26:07,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:26:07,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049033927] [2021-03-26 15:26:07,635 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:26:07,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:26:07,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:26:07,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:26:07,636 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-26 15:26:07,636 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 61 transitions, 1251 flow. Second operand has 11 states, 11 states have (on average 31.09090909090909) internal successors, (342), 11 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:07,636 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:26:07,636 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-26 15:26:07,636 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:26:07,775 INFO L129 PetriNetUnfolder]: 10/59 cut-off events. [2021-03-26 15:26:07,775 INFO L130 PetriNetUnfolder]: For 721/722 co-relation queries the response was YES. [2021-03-26 15:26:07,775 INFO L84 FinitePrefix]: Finished finitePrefix Result has 727 conditions, 59 events. 10/59 cut-off events. For 721/722 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 183 event pairs, 0 based on Foata normal form. 4/63 useless extension candidates. Maximal degree in co-relation 670. Up to 19 conditions per place. [2021-03-26 15:26:07,775 INFO L132 encePairwiseOnDemand]: 89/101 looper letters, 0 selfloop transitions, 0 changer transitions 52/52 dead transitions. [2021-03-26 15:26:07,775 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 52 transitions, 1314 flow [2021-03-26 15:26:07,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:26:07,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:26:07,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 458 transitions. [2021-03-26 15:26:07,776 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32390381895332393 [2021-03-26 15:26:07,777 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 458 transitions. [2021-03-26 15:26:07,777 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 458 transitions. [2021-03-26 15:26:07,777 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:26:07,777 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 458 transitions. [2021-03-26 15:26:07,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.714285714285715) internal successors, (458), 14 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:07,778 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 101.0) internal successors, (1515), 15 states have internal predecessors, (1515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:07,778 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 101.0) internal successors, (1515), 15 states have internal predecessors, (1515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:07,779 INFO L185 Difference]: Start difference. First operand has 129 places, 61 transitions, 1251 flow. Second operand 14 states and 458 transitions. [2021-03-26 15:26:07,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 52 transitions, 1314 flow [2021-03-26 15:26:07,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 52 transitions, 540 flow, removed 0 selfloop flow, removed 62 redundant places. [2021-03-26 15:26:07,783 INFO L241 Difference]: Finished difference. Result has 73 places, 0 transitions, 0 flow [2021-03-26 15:26:07,783 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=420, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=0, PETRI_PLACES=73, PETRI_TRANSITIONS=0} [2021-03-26 15:26:07,783 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 33 predicate places. [2021-03-26 15:26:07,783 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:26:07,783 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 0 transitions, 0 flow [2021-03-26 15:26:07,783 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 0 transitions, 0 flow [2021-03-26 15:26:07,783 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-03-26 15:26:07,783 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-26 15:26:07,784 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 15:26:07,784 INFO L84 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2021-03-26 15:26:07,784 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-26 15:26:07,784 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:26:07,784 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:26:07,784 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1 [2021-03-26 15:26:07,784 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-03-26 15:26:07,784 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 31.09090909090909) internal successors, (342), 11 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:26:07,785 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-03-26 15:26:07,788 INFO L202 PluginConnector]: Adding new model ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 03:26:07 BasicIcfg [2021-03-26 15:26:07,788 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 15:26:07,788 INFO L168 Benchmark]: Toolchain (without parser) took 111793.40 ms. Allocated memory was 255.9 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 236.9 MB in the beginning and 792.3 MB in the end (delta: -555.4 MB). Peak memory consumption was 974.6 MB. Max. memory is 16.0 GB. [2021-03-26 15:26:07,789 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.58 ms. Allocated memory is still 255.9 MB. Free memory was 238.2 MB in the beginning and 238.2 MB in the end (delta: 7.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 15:26:07,789 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.69 ms. Allocated memory is still 255.9 MB. Free memory was 236.9 MB in the beginning and 235.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 15:26:07,789 INFO L168 Benchmark]: Boogie Preprocessor took 17.36 ms. Allocated memory is still 255.9 MB. Free memory was 235.4 MB in the beginning and 234.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 15:26:07,789 INFO L168 Benchmark]: RCFGBuilder took 365.14 ms. Allocated memory is still 255.9 MB. Free memory was 234.4 MB in the beginning and 235.9 MB in the end (delta: -1.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.0 GB. [2021-03-26 15:26:07,789 INFO L168 Benchmark]: TraceAbstraction took 111379.50 ms. Allocated memory was 255.9 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 235.2 MB in the beginning and 792.3 MB in the end (delta: -557.0 MB). Peak memory consumption was 971.4 MB. Max. memory is 16.0 GB. [2021-03-26 15:26:07,789 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 0.58 ms. Allocated memory is still 255.9 MB. Free memory was 238.2 MB in the beginning and 238.2 MB in the end (delta: 7.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 26.69 ms. Allocated memory is still 255.9 MB. Free memory was 236.9 MB in the beginning and 235.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 17.36 ms. Allocated memory is still 255.9 MB. Free memory was 235.4 MB in the beginning and 234.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 365.14 ms. Allocated memory is still 255.9 MB. Free memory was 234.4 MB in the beginning and 235.9 MB in the end (delta: -1.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 111379.50 ms. Allocated memory was 255.9 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 235.2 MB in the beginning and 792.3 MB in the end (delta: -557.0 MB). Peak memory consumption was 971.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1060.8ms, 55 PlacesBefore, 40 PlacesAfterwards, 39 TransitionsBefore, 24 TransitionsAfterwards, 748 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 14 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 15 TotalNumberOfCompositions, 933 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 467, positive: 433, positive conditional: 433, positive unconditional: 0, negative: 34, negative conditional: 34, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 467, positive: 433, positive conditional: 0, positive unconditional: 433, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 467, positive: 433, positive conditional: 0, positive unconditional: 433, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 402, positive: 375, positive conditional: 0, positive unconditional: 375, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 402, positive: 320, positive conditional: 0, positive unconditional: 320, negative: 82, negative conditional: 0, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 82, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 348, positive: 256, positive conditional: 0, positive unconditional: 256, negative: 92, negative conditional: 0, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 467, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 402, unknown conditional: 0, unknown unconditional: 402] , Statistics on independence cache: Total cache size (in pairs): 402, Positive cache size: 375, Positive conditional cache size: 0, Positive unconditional cache size: 375, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 74.8ms, 37 PlacesBefore, 37 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 220 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): 402, Positive cache size: 375, Positive conditional cache size: 0, Positive unconditional cache size: 375, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 873.7ms, 40 PlacesBefore, 40 PlacesAfterwards, 64 TransitionsBefore, 64 TransitionsAfterwards, 412 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 40 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 40, positive: 40, positive conditional: 40, 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: 40, positive: 40, positive conditional: 27, positive unconditional: 13, 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: 40, positive: 40, positive conditional: 27, positive unconditional: 13, 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: 25, positive: 25, positive conditional: 12, positive unconditional: 13, 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: 25, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 76, positive: 76, positive conditional: 65, positive unconditional: 11, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 40, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 25, unknown conditional: 12, unknown unconditional: 13] , Statistics on independence cache: Total cache size (in pairs): 427, Positive cache size: 400, Positive conditional cache size: 12, Positive unconditional cache size: 388, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1200.5ms, 45 PlacesBefore, 45 PlacesAfterwards, 94 TransitionsBefore, 94 TransitionsAfterwards, 514 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, 348 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 348, positive: 348, positive conditional: 348, 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: 348, positive: 348, positive conditional: 270, positive unconditional: 78, 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: 348, positive: 348, positive conditional: 270, positive unconditional: 78, 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: 348, positive: 348, positive conditional: 270, positive unconditional: 78, 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): 427, Positive cache size: 400, Positive conditional cache size: 12, Positive unconditional cache size: 388, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3574.9ms, 52 PlacesBefore, 52 PlacesAfterwards, 199 TransitionsBefore, 199 TransitionsAfterwards, 916 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 14 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 15 TotalNumberOfCompositions, 1683 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1683, positive: 1683, positive conditional: 1683, 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: 1683, positive: 1683, positive conditional: 1492, positive unconditional: 191, 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: 1683, positive: 1683, positive conditional: 1492, positive unconditional: 191, 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: 0, positive unconditional: 2, 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: 1683, positive: 1681, positive conditional: 1492, positive unconditional: 189, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 402, Positive conditional cache size: 12, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1676.7ms, 56 PlacesBefore, 56 PlacesAfterwards, 221 TransitionsBefore, 221 TransitionsAfterwards, 964 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 10 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 10 TotalNumberOfCompositions, 1290 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1290, positive: 1290, positive conditional: 1290, 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: 1290, positive: 1290, positive conditional: 1160, positive unconditional: 130, 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: 1290, positive: 1290, positive conditional: 1160, positive unconditional: 130, 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: 1290, positive: 1289, positive conditional: 1159, positive unconditional: 130, 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1110.7ms, 59 PlacesBefore, 59 PlacesAfterwards, 220 TransitionsBefore, 220 TransitionsAfterwards, 960 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 384 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 384, positive: 384, positive conditional: 384, 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: 384, positive: 384, positive conditional: 345, positive unconditional: 39, 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: 384, positive: 384, positive conditional: 345, positive unconditional: 39, 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: 384, positive: 384, positive conditional: 345, positive unconditional: 39, 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 995.0ms, 62 PlacesBefore, 61 PlacesAfterwards, 270 TransitionsBefore, 269 TransitionsAfterwards, 976 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 256 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 256, positive: 256, positive conditional: 256, 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: 256, positive: 256, positive conditional: 230, positive unconditional: 26, 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: 256, positive: 256, positive conditional: 230, positive unconditional: 26, 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: 256, positive: 256, positive conditional: 230, positive unconditional: 26, 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 478.8ms, 62 PlacesBefore, 62 PlacesAfterwards, 319 TransitionsBefore, 319 TransitionsAfterwards, 766 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 348.4ms, 64 PlacesBefore, 64 PlacesAfterwards, 349 TransitionsBefore, 349 TransitionsAfterwards, 784 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 517.6ms, 67 PlacesBefore, 67 PlacesAfterwards, 372 TransitionsBefore, 372 TransitionsAfterwards, 770 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 618.8ms, 73 PlacesBefore, 73 PlacesAfterwards, 420 TransitionsBefore, 420 TransitionsAfterwards, 782 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 444.6ms, 77 PlacesBefore, 77 PlacesAfterwards, 414 TransitionsBefore, 414 TransitionsAfterwards, 728 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 711.4ms, 84 PlacesBefore, 84 PlacesAfterwards, 464 TransitionsBefore, 464 TransitionsAfterwards, 778 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1219.7ms, 90 PlacesBefore, 90 PlacesAfterwards, 543 TransitionsBefore, 542 TransitionsAfterwards, 958 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 84 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 84, positive: 84, positive conditional: 84, 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: 84, positive: 84, positive conditional: 70, positive unconditional: 14, 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: 84, positive: 84, positive conditional: 70, positive unconditional: 14, 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: 84, positive: 84, positive conditional: 70, positive unconditional: 14, 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 793.7ms, 92 PlacesBefore, 92 PlacesAfterwards, 583 TransitionsBefore, 583 TransitionsAfterwards, 986 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1479.9ms, 96 PlacesBefore, 96 PlacesAfterwards, 671 TransitionsBefore, 669 TransitionsAfterwards, 1182 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 162 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 162, positive: 162, positive conditional: 162, 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: 162, positive: 162, positive conditional: 153, positive unconditional: 9, 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: 162, positive: 162, positive conditional: 153, positive unconditional: 9, 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: 162, positive: 162, positive conditional: 153, positive unconditional: 9, 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2726.2ms, 102 PlacesBefore, 102 PlacesAfterwards, 790 TransitionsBefore, 787 TransitionsAfterwards, 1298 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 252 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 252, positive: 252, positive conditional: 252, 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: 252, positive: 252, positive conditional: 240, positive unconditional: 12, 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: 252, positive: 252, positive conditional: 240, positive unconditional: 12, 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: 252, positive: 252, positive conditional: 240, positive unconditional: 12, 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 958.4ms, 107 PlacesBefore, 107 PlacesAfterwards, 854 TransitionsBefore, 854 TransitionsAfterwards, 1384 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1159.6ms, 110 PlacesBefore, 110 PlacesAfterwards, 920 TransitionsBefore, 920 TransitionsAfterwards, 1470 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1165.7ms, 114 PlacesBefore, 114 PlacesAfterwards, 988 TransitionsBefore, 988 TransitionsAfterwards, 1416 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 890.8ms, 117 PlacesBefore, 117 PlacesAfterwards, 895 TransitionsBefore, 895 TransitionsAfterwards, 944 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 968.6ms, 121 PlacesBefore, 121 PlacesAfterwards, 931 TransitionsBefore, 931 TransitionsAfterwards, 962 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1072.1ms, 122 PlacesBefore, 122 PlacesAfterwards, 963 TransitionsBefore, 963 TransitionsAfterwards, 952 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1194.3ms, 128 PlacesBefore, 128 PlacesAfterwards, 1008 TransitionsBefore, 1008 TransitionsAfterwards, 956 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1028.9ms, 132 PlacesBefore, 132 PlacesAfterwards, 1001 TransitionsBefore, 1001 TransitionsAfterwards, 914 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1027.7ms, 137 PlacesBefore, 137 PlacesAfterwards, 1015 TransitionsBefore, 1015 TransitionsAfterwards, 918 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1098.8ms, 143 PlacesBefore, 143 PlacesAfterwards, 1063 TransitionsBefore, 1063 TransitionsAfterwards, 930 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1027.7ms, 147 PlacesBefore, 147 PlacesAfterwards, 1030 TransitionsBefore, 1030 TransitionsAfterwards, 874 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 999.5ms, 153 PlacesBefore, 153 PlacesAfterwards, 1027 TransitionsBefore, 1027 TransitionsAfterwards, 898 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1047.2ms, 159 PlacesBefore, 159 PlacesAfterwards, 1027 TransitionsBefore, 1027 TransitionsAfterwards, 910 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1005.3ms, 159 PlacesBefore, 159 PlacesAfterwards, 1017 TransitionsBefore, 1017 TransitionsAfterwards, 910 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 940.4ms, 163 PlacesBefore, 163 PlacesAfterwards, 999 TransitionsBefore, 999 TransitionsAfterwards, 898 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 888.1ms, 168 PlacesBefore, 168 PlacesAfterwards, 960 TransitionsBefore, 960 TransitionsAfterwards, 828 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 894.4ms, 173 PlacesBefore, 173 PlacesAfterwards, 951 TransitionsBefore, 951 TransitionsAfterwards, 826 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 814.1ms, 179 PlacesBefore, 179 PlacesAfterwards, 874 TransitionsBefore, 874 TransitionsAfterwards, 794 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 761.7ms, 189 PlacesBefore, 189 PlacesAfterwards, 856 TransitionsBefore, 856 TransitionsAfterwards, 786 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 952.6ms, 200 PlacesBefore, 200 PlacesAfterwards, 852 TransitionsBefore, 851 TransitionsAfterwards, 784 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 44 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 44, positive: 44, positive conditional: 44, 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: 44, positive: 44, positive conditional: 42, positive unconditional: 2, 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: 44, positive: 44, positive conditional: 42, positive unconditional: 2, 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: 44, positive: 44, positive conditional: 42, positive unconditional: 2, 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 659.7ms, 202 PlacesBefore, 202 PlacesAfterwards, 838 TransitionsBefore, 838 TransitionsAfterwards, 764 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 728.8ms, 205 PlacesBefore, 205 PlacesAfterwards, 844 TransitionsBefore, 844 TransitionsAfterwards, 786 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 936.3ms, 213 PlacesBefore, 213 PlacesAfterwards, 827 TransitionsBefore, 826 TransitionsAfterwards, 792 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 45 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45, positive: 45, positive conditional: 45, 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: 45, positive: 45, positive conditional: 43, positive unconditional: 2, 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: 45, positive: 45, positive conditional: 43, positive unconditional: 2, 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: 45, positive: 45, positive conditional: 43, positive unconditional: 2, 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 649.0ms, 221 PlacesBefore, 221 PlacesAfterwards, 801 TransitionsBefore, 801 TransitionsAfterwards, 796 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 524.7ms, 214 PlacesBefore, 214 PlacesAfterwards, 740 TransitionsBefore, 740 TransitionsAfterwards, 734 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 471.3ms, 221 PlacesBefore, 221 PlacesAfterwards, 733 TransitionsBefore, 733 TransitionsAfterwards, 714 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 461.6ms, 235 PlacesBefore, 235 PlacesAfterwards, 722 TransitionsBefore, 722 TransitionsAfterwards, 680 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 407.3ms, 242 PlacesBefore, 242 PlacesAfterwards, 690 TransitionsBefore, 690 TransitionsAfterwards, 680 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 259.1ms, 245 PlacesBefore, 245 PlacesAfterwards, 557 TransitionsBefore, 557 TransitionsAfterwards, 630 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 121.1ms, 249 PlacesBefore, 249 PlacesAfterwards, 383 TransitionsBefore, 383 TransitionsAfterwards, 244 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 112.4ms, 247 PlacesBefore, 247 PlacesAfterwards, 329 TransitionsBefore, 328 TransitionsAfterwards, 244 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 11 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 11, positive conditional: 11, 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: 11, positive: 11, positive conditional: 10, positive unconditional: 1, 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: 11, positive: 11, positive conditional: 10, positive unconditional: 1, 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: 11, positive: 11, positive conditional: 10, positive unconditional: 1, 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 62.2ms, 227 PlacesBefore, 226 PlacesAfterwards, 251 TransitionsBefore, 251 TransitionsAfterwards, 206 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 38.1ms, 197 PlacesBefore, 197 PlacesAfterwards, 154 TransitionsBefore, 154 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.6ms, 142 PlacesBefore, 129 PlacesAfterwards, 61 TransitionsBefore, 61 TransitionsAfterwards, 8 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.7ms, 73 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 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): 430, Positive cache size: 403, Positive conditional cache size: 13, Positive unconditional cache size: 390, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - PositiveResult [Line: 95]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 5.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 111236.9ms, OverallIterations: 52, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 63228.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1158.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 172 SDtfs, 273 SDslu, 15 SDs, 0 SdLazy, 17010 SolverSat, 3816 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7507.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 585 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 466 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 577 ImplicationChecksByTransitivity, 2145.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=37863occurred in iteration=34, InterpolantAutomatonStates: 475, 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: 48.3ms SsaConstructionTime, 231.4ms SatisfiabilityAnalysisTime, 2056.5ms InterpolantComputationTime, 1192 NumberOfCodeBlocks, 1192 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 1140 ConstructedInterpolants, 0 QuantifiedInterpolants, 3429 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 52 InterpolantComputations, 52 PerfectInterpolantSequences, 0/0 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...