/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/mcr/example_7.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 13:37:04,661 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 13:37:04,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 13:37:04,691 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 13:37:04,691 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 13:37:04,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 13:37:04,695 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 13:37:04,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 13:37:04,701 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 13:37:04,703 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 13:37:04,704 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 13:37:04,705 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 13:37:04,705 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 13:37:04,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 13:37:04,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 13:37:04,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 13:37:04,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 13:37:04,711 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 13:37:04,713 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 13:37:04,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 13:37:04,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 13:37:04,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 13:37:04,721 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 13:37:04,722 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 13:37:04,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 13:37:04,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 13:37:04,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 13:37:04,733 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 13:37:04,736 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 13:37:04,763 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 13:37:04,763 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 13:37:04,765 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 13:37:04,765 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 13:37:04,766 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 13:37:04,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 13:37:04,766 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 13:37:04,766 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 13:37:04,766 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 13:37:04,766 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 13:37:04,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 13:37:04,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 13:37:04,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 13:37:04,767 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 13:37:04,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 13:37:04,767 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 13:37:04,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 13:37:04,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 13:37:04,768 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 13:37:04,768 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 13:37:04,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 13:37:04,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 13:37:04,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 13:37:04,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 13:37:04,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 13:37:04,768 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 13:37:04,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 13:37:04,769 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 13:37:04,769 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 13:37:04,769 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 13:37:04,769 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 13:37:05,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 13:37:05,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 13:37:05,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 13:37:05,016 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-26 13:37:05,017 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-26 13:37:05,018 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_7.bpl [2021-03-26 13:37:05,018 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_7.bpl' [2021-03-26 13:37:05,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 13:37:05,048 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-26 13:37:05,049 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 13:37:05,049 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 13:37:05,049 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 13:37:05,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:37:05" (1/1) ... [2021-03-26 13:37:05,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:37:05" (1/1) ... [2021-03-26 13:37:05,069 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 13:37:05,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 13:37:05,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 13:37:05,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 13:37:05,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:37:05" (1/1) ... [2021-03-26 13:37:05,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:37:05" (1/1) ... [2021-03-26 13:37:05,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:37:05" (1/1) ... [2021-03-26 13:37:05,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:37:05" (1/1) ... [2021-03-26 13:37:05,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:37:05" (1/1) ... [2021-03-26 13:37:05,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:37:05" (1/1) ... [2021-03-26 13:37:05,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:37:05" (1/1) ... [2021-03-26 13:37:05,081 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 13:37:05,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 13:37:05,082 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 13:37:05,082 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 13:37:05,083 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:37:05" (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 13:37:05,129 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2021-03-26 13:37:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2021-03-26 13:37:05,130 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2021-03-26 13:37:05,130 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2021-03-26 13:37:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2021-03-26 13:37:05,131 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2021-03-26 13:37:05,131 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2021-03-26 13:37:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2021-03-26 13:37:05,131 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2021-03-26 13:37:05,131 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2021-03-26 13:37:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2021-03-26 13:37:05,131 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2021-03-26 13:37:05,131 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2021-03-26 13:37:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2021-03-26 13:37:05,131 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2021-03-26 13:37:05,131 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-26 13:37:05,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 13:37:05,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 13:37:05,132 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2021-03-26 13:37:05,132 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2021-03-26 13:37:05,133 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2021-03-26 13:37:05,133 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2021-03-26 13:37:05,133 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2021-03-26 13:37:05,133 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2021-03-26 13:37:05,134 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 13:37:05,292 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 13:37:05,293 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-26 13:37:05,293 INFO L202 PluginConnector]: Adding new model example_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 01:37:05 BoogieIcfgContainer [2021-03-26 13:37:05,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 13:37:05,295 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 13:37:05,295 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 13:37:05,296 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 13:37:05,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:37:05" (1/2) ... [2021-03-26 13:37:05,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@706b3f3c and model type example_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 01:37:05, skipping insertion in model container [2021-03-26 13:37:05,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 01:37:05" (2/2) ... [2021-03-26 13:37:05,298 INFO L111 eAbstractionObserver]: Analyzing ICFG example_7.bpl [2021-03-26 13:37:05,301 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 13:37:05,303 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 13:37:05,304 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 13:37:05,372 INFO L149 ThreadInstanceAdder]: Constructed 49 joinOtherThreadTransitions. [2021-03-26 13:37:05,387 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-03-26 13:37:05,399 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 13:37:05,401 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 13:37:05,401 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 13:37:05,401 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 13:37:05,401 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 13:37:05,401 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 13:37:05,401 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 13:37:05,401 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 13:37:05,413 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 80 transitions, 342 flow [2021-03-26 13:37:05,503 INFO L129 PetriNetUnfolder]: 321/472 cut-off events. [2021-03-26 13:37:05,503 INFO L130 PetriNetUnfolder]: For 448/448 co-relation queries the response was YES. [2021-03-26 13:37:05,511 INFO L84 FinitePrefix]: Finished finitePrefix Result has 942 conditions, 472 events. 321/472 cut-off events. For 448/448 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1541 event pairs, 0 based on Foata normal form. 0/471 useless extension candidates. Maximal degree in co-relation 416. Up to 140 conditions per place. [2021-03-26 13:37:05,511 INFO L82 GeneralOperation]: Start removeDead. Operand has 60 places, 80 transitions, 342 flow [2021-03-26 13:37:05,519 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 51 places, 71 transitions, 310 flow [2021-03-26 13:37:05,520 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:05,529 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 71 transitions, 310 flow [2021-03-26 13:37:05,530 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 71 transitions, 310 flow [2021-03-26 13:37:05,531 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 71 transitions, 310 flow [2021-03-26 13:37:05,563 INFO L129 PetriNetUnfolder]: 321/470 cut-off events. [2021-03-26 13:37:05,563 INFO L130 PetriNetUnfolder]: For 448/448 co-relation queries the response was YES. [2021-03-26 13:37:05,564 INFO L84 FinitePrefix]: Finished finitePrefix Result has 940 conditions, 470 events. 321/470 cut-off events. For 448/448 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1573 event pairs, 0 based on Foata normal form. 0/470 useless extension candidates. Maximal degree in co-relation 416. Up to 140 conditions per place. [2021-03-26 13:37:05,570 INFO L142 LiptonReduction]: Number of co-enabled transitions 1260 [2021-03-26 13:37:05,638 INFO L154 LiptonReduction]: Checked pairs total: 357 [2021-03-26 13:37:05,638 INFO L156 LiptonReduction]: Total number of compositions: 7 [2021-03-26 13:37:05,639 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 120 [2021-03-26 13:37:05,694 INFO L129 PetriNetUnfolder]: 321/462 cut-off events. [2021-03-26 13:37:05,694 INFO L130 PetriNetUnfolder]: For 448/448 co-relation queries the response was YES. [2021-03-26 13:37:05,694 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:05,695 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 13:37:05,695 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:05,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:05,700 INFO L82 PathProgramCache]: Analyzing trace with hash 792718600, now seen corresponding path program 1 times [2021-03-26 13:37:05,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:05,705 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581233764] [2021-03-26 13:37:05,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:05,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:05,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:05,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:05,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:05,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 13:37:05,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:05,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:05,784 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 13:37:05,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581233764] [2021-03-26 13:37:05,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:05,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:37:05,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068914896] [2021-03-26 13:37:05,791 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 13:37:05,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:05,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 13:37:05,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 13:37:05,802 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 87 [2021-03-26 13:37:05,810 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 64 transitions, 296 flow. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:05,811 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:05,811 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 87 [2021-03-26 13:37:05,811 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:05,846 INFO L129 PetriNetUnfolder]: 135/220 cut-off events. [2021-03-26 13:37:05,846 INFO L130 PetriNetUnfolder]: For 391/391 co-relation queries the response was YES. [2021-03-26 13:37:05,848 INFO L84 FinitePrefix]: Finished finitePrefix Result has 456 conditions, 220 events. 135/220 cut-off events. For 391/391 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 739 event pairs, 0 based on Foata normal form. 57/277 useless extension candidates. Maximal degree in co-relation 394. Up to 60 conditions per place. [2021-03-26 13:37:05,850 INFO L132 encePairwiseOnDemand]: 81/87 looper letters, 2 selfloop transitions, 1 changer transitions 0/59 dead transitions. [2021-03-26 13:37:05,850 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 59 transitions, 277 flow [2021-03-26 13:37:05,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 13:37:05,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 13:37:05,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 245 transitions. [2021-03-26 13:37:05,860 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9386973180076629 [2021-03-26 13:37:05,860 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 245 transitions. [2021-03-26 13:37:05,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 245 transitions. [2021-03-26 13:37:05,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:05,863 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 245 transitions. [2021-03-26 13:37:05,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:05,873 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:05,873 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:05,874 INFO L185 Difference]: Start difference. First operand has 44 places, 64 transitions, 296 flow. Second operand 3 states and 245 transitions. [2021-03-26 13:37:05,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 59 transitions, 277 flow [2021-03-26 13:37:05,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 59 transitions, 175 flow, removed 0 selfloop flow, removed 14 redundant places. [2021-03-26 13:37:05,878 INFO L241 Difference]: Finished difference. Result has 32 places, 59 transitions, 171 flow [2021-03-26 13:37:05,880 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=169, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=171, PETRI_PLACES=32, PETRI_TRANSITIONS=59} [2021-03-26 13:37:05,880 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, -12 predicate places. [2021-03-26 13:37:05,880 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:05,880 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 59 transitions, 171 flow [2021-03-26 13:37:05,881 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 59 transitions, 171 flow [2021-03-26 13:37:05,881 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 59 transitions, 171 flow [2021-03-26 13:37:05,889 INFO L129 PetriNetUnfolder]: 135/220 cut-off events. [2021-03-26 13:37:05,889 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:37:05,889 INFO L84 FinitePrefix]: Finished finitePrefix Result has 230 conditions, 220 events. 135/220 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 683 event pairs, 0 based on Foata normal form. 0/220 useless extension candidates. Maximal degree in co-relation 215. Up to 60 conditions per place. [2021-03-26 13:37:05,890 INFO L142 LiptonReduction]: Number of co-enabled transitions 468 [2021-03-26 13:37:05,894 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:05,894 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:05,894 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14 [2021-03-26 13:37:05,895 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 59 transitions, 171 flow [2021-03-26 13:37:05,895 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:05,896 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:05,896 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 13:37:05,896 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 13:37:05,896 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:05,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:05,896 INFO L82 PathProgramCache]: Analyzing trace with hash -814701548, now seen corresponding path program 1 times [2021-03-26 13:37:05,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:05,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132771024] [2021-03-26 13:37:05,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:05,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:05,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:05,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:05,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:05,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 13:37:05,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:05,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:05,917 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 13:37:05,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132771024] [2021-03-26 13:37:05,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:05,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:37:05,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334189564] [2021-03-26 13:37:05,920 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 13:37:05,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:05,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 13:37:05,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 13:37:05,921 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 87 [2021-03-26 13:37:05,921 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 59 transitions, 171 flow. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:05,921 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:05,921 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 87 [2021-03-26 13:37:05,921 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:05,947 INFO L129 PetriNetUnfolder]: 130/214 cut-off events. [2021-03-26 13:37:05,947 INFO L130 PetriNetUnfolder]: For 33/33 co-relation queries the response was YES. [2021-03-26 13:37:05,947 INFO L84 FinitePrefix]: Finished finitePrefix Result has 258 conditions, 214 events. 130/214 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 721 event pairs, 0 based on Foata normal form. 1/215 useless extension candidates. Maximal degree in co-relation 241. Up to 60 conditions per place. [2021-03-26 13:37:05,948 INFO L132 encePairwiseOnDemand]: 85/87 looper letters, 6 selfloop transitions, 1 changer transitions 0/58 dead transitions. [2021-03-26 13:37:05,948 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 58 transitions, 182 flow [2021-03-26 13:37:05,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 13:37:05,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 13:37:05,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 245 transitions. [2021-03-26 13:37:05,952 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9386973180076629 [2021-03-26 13:37:05,952 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 245 transitions. [2021-03-26 13:37:05,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 245 transitions. [2021-03-26 13:37:05,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:05,952 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 245 transitions. [2021-03-26 13:37:05,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:05,955 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:05,955 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:05,955 INFO L185 Difference]: Start difference. First operand has 32 places, 59 transitions, 171 flow. Second operand 3 states and 245 transitions. [2021-03-26 13:37:05,955 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 58 transitions, 182 flow [2021-03-26 13:37:05,957 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 58 transitions, 181 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 13:37:05,958 INFO L241 Difference]: Finished difference. Result has 33 places, 58 transitions, 169 flow [2021-03-26 13:37:05,958 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=167, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=169, PETRI_PLACES=33, PETRI_TRANSITIONS=58} [2021-03-26 13:37:05,958 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, -11 predicate places. [2021-03-26 13:37:05,959 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:05,959 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 58 transitions, 169 flow [2021-03-26 13:37:05,959 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 58 transitions, 169 flow [2021-03-26 13:37:05,959 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 58 transitions, 169 flow [2021-03-26 13:37:05,966 INFO L129 PetriNetUnfolder]: 130/214 cut-off events. [2021-03-26 13:37:05,967 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:37:05,967 INFO L84 FinitePrefix]: Finished finitePrefix Result has 225 conditions, 214 events. 130/214 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 651 event pairs, 0 based on Foata normal form. 0/214 useless extension candidates. Maximal degree in co-relation 218. Up to 60 conditions per place. [2021-03-26 13:37:05,968 INFO L142 LiptonReduction]: Number of co-enabled transitions 456 [2021-03-26 13:37:05,973 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:05,973 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:05,973 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14 [2021-03-26 13:37:05,975 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 58 transitions, 169 flow [2021-03-26 13:37:05,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:05,976 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:05,976 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 13:37:05,976 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 13:37:05,976 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:05,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:05,979 INFO L82 PathProgramCache]: Analyzing trace with hash -1618123062, now seen corresponding path program 1 times [2021-03-26 13:37:05,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:05,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430480254] [2021-03-26 13:37:05,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:05,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:05,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:05,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:05,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:05,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 13:37:06,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:06,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:06,002 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 13:37:06,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430480254] [2021-03-26 13:37:06,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:06,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:37:06,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440245945] [2021-03-26 13:37:06,009 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 13:37:06,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:06,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 13:37:06,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 13:37:06,014 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 87 [2021-03-26 13:37:06,015 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 58 transitions, 169 flow. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:06,015 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:06,015 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 87 [2021-03-26 13:37:06,015 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:06,028 INFO L129 PetriNetUnfolder]: 106/184 cut-off events. [2021-03-26 13:37:06,028 INFO L130 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2021-03-26 13:37:06,028 INFO L84 FinitePrefix]: Finished finitePrefix Result has 224 conditions, 184 events. 106/184 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 642 event pairs, 0 based on Foata normal form. 5/189 useless extension candidates. Maximal degree in co-relation 216. Up to 60 conditions per place. [2021-03-26 13:37:06,029 INFO L132 encePairwiseOnDemand]: 84/87 looper letters, 5 selfloop transitions, 1 changer transitions 0/56 dead transitions. [2021-03-26 13:37:06,029 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 56 transitions, 175 flow [2021-03-26 13:37:06,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 13:37:06,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 13:37:06,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 245 transitions. [2021-03-26 13:37:06,030 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9386973180076629 [2021-03-26 13:37:06,030 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 245 transitions. [2021-03-26 13:37:06,030 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 245 transitions. [2021-03-26 13:37:06,030 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:06,030 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 245 transitions. [2021-03-26 13:37:06,031 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:06,032 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:06,032 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:06,032 INFO L185 Difference]: Start difference. First operand has 33 places, 58 transitions, 169 flow. Second operand 3 states and 245 transitions. [2021-03-26 13:37:06,032 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 56 transitions, 175 flow [2021-03-26 13:37:06,034 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 56 transitions, 174 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 13:37:06,035 INFO L241 Difference]: Finished difference. Result has 34 places, 56 transitions, 164 flow [2021-03-26 13:37:06,035 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=164, PETRI_PLACES=34, PETRI_TRANSITIONS=56} [2021-03-26 13:37:06,035 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, -10 predicate places. [2021-03-26 13:37:06,035 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:06,036 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 56 transitions, 164 flow [2021-03-26 13:37:06,036 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 56 transitions, 164 flow [2021-03-26 13:37:06,037 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 56 transitions, 164 flow [2021-03-26 13:37:06,043 INFO L129 PetriNetUnfolder]: 106/184 cut-off events. [2021-03-26 13:37:06,043 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:37:06,043 INFO L84 FinitePrefix]: Finished finitePrefix Result has 196 conditions, 184 events. 106/184 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 554 event pairs, 0 based on Foata normal form. 0/184 useless extension candidates. Maximal degree in co-relation 189. Up to 60 conditions per place. [2021-03-26 13:37:06,044 INFO L142 LiptonReduction]: Number of co-enabled transitions 432 [2021-03-26 13:37:06,048 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:06,048 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:06,048 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-03-26 13:37:06,049 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 56 transitions, 164 flow [2021-03-26 13:37:06,049 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:06,049 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:06,049 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 13:37:06,049 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 13:37:06,049 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:06,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:06,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1847729876, now seen corresponding path program 1 times [2021-03-26 13:37:06,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:06,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276043705] [2021-03-26 13:37:06,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:06,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:06,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:06,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:06,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:06,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 13:37:06,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:06,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:06,095 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 13:37:06,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276043705] [2021-03-26 13:37:06,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:06,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:37:06,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161458657] [2021-03-26 13:37:06,095 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 13:37:06,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:06,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 13:37:06,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 13:37:06,096 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 87 [2021-03-26 13:37:06,097 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 56 transitions, 164 flow. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:06,097 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:06,097 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 87 [2021-03-26 13:37:06,097 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:06,116 INFO L129 PetriNetUnfolder]: 41/94 cut-off events. [2021-03-26 13:37:06,116 INFO L130 PetriNetUnfolder]: For 27/27 co-relation queries the response was YES. [2021-03-26 13:37:06,116 INFO L84 FinitePrefix]: Finished finitePrefix Result has 115 conditions, 94 events. 41/94 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 255 event pairs, 0 based on Foata normal form. 20/114 useless extension candidates. Maximal degree in co-relation 107. Up to 20 conditions per place. [2021-03-26 13:37:06,117 INFO L132 encePairwiseOnDemand]: 82/87 looper letters, 3 selfloop transitions, 1 changer transitions 0/52 dead transitions. [2021-03-26 13:37:06,117 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 52 transitions, 160 flow [2021-03-26 13:37:06,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 13:37:06,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 13:37:06,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 245 transitions. [2021-03-26 13:37:06,119 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9386973180076629 [2021-03-26 13:37:06,119 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 245 transitions. [2021-03-26 13:37:06,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 245 transitions. [2021-03-26 13:37:06,120 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:06,120 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 245 transitions. [2021-03-26 13:37:06,120 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:06,121 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:06,121 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:06,121 INFO L185 Difference]: Start difference. First operand has 34 places, 56 transitions, 164 flow. Second operand 3 states and 245 transitions. [2021-03-26 13:37:06,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 52 transitions, 160 flow [2021-03-26 13:37:06,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 52 transitions, 159 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 13:37:06,122 INFO L241 Difference]: Finished difference. Result has 35 places, 52 transitions, 153 flow [2021-03-26 13:37:06,122 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=151, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=153, PETRI_PLACES=35, PETRI_TRANSITIONS=52} [2021-03-26 13:37:06,122 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, -9 predicate places. [2021-03-26 13:37:06,123 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:06,123 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 52 transitions, 153 flow [2021-03-26 13:37:06,123 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 52 transitions, 153 flow [2021-03-26 13:37:06,124 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 52 transitions, 153 flow [2021-03-26 13:37:06,128 INFO L129 PetriNetUnfolder]: 41/94 cut-off events. [2021-03-26 13:37:06,128 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:37:06,129 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 94 events. 41/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 240 event pairs, 0 based on Foata normal form. 0/94 useless extension candidates. Maximal degree in co-relation 100. Up to 20 conditions per place. [2021-03-26 13:37:06,129 INFO L142 LiptonReduction]: Number of co-enabled transitions 344 [2021-03-26 13:37:06,133 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:06,133 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:06,133 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11 [2021-03-26 13:37:06,134 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 52 transitions, 153 flow [2021-03-26 13:37:06,134 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:06,134 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:06,134 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 13:37:06,134 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 13:37:06,134 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:06,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:06,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1199705006, now seen corresponding path program 1 times [2021-03-26 13:37:06,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:06,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134375639] [2021-03-26 13:37:06,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:06,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:06,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:06,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:06,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 13:37:06,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:06,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:06,147 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 13:37:06,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134375639] [2021-03-26 13:37:06,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:06,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:37:06,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821528505] [2021-03-26 13:37:06,148 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 13:37:06,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:06,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 13:37:06,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 13:37:06,149 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 87 [2021-03-26 13:37:06,149 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 52 transitions, 153 flow. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:06,149 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:06,149 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 87 [2021-03-26 13:37:06,149 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:06,157 INFO L129 PetriNetUnfolder]: 21/64 cut-off events. [2021-03-26 13:37:06,157 INFO L130 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2021-03-26 13:37:06,157 INFO L84 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 64 events. 21/64 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 144 event pairs, 0 based on Foata normal form. 6/70 useless extension candidates. Maximal degree in co-relation 78. Up to 12 conditions per place. [2021-03-26 13:37:06,157 INFO L132 encePairwiseOnDemand]: 83/87 looper letters, 4 selfloop transitions, 1 changer transitions 0/49 dead transitions. [2021-03-26 13:37:06,157 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 49 transitions, 154 flow [2021-03-26 13:37:06,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 13:37:06,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 13:37:06,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 245 transitions. [2021-03-26 13:37:06,158 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9386973180076629 [2021-03-26 13:37:06,158 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 245 transitions. [2021-03-26 13:37:06,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 245 transitions. [2021-03-26 13:37:06,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:06,158 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 245 transitions. [2021-03-26 13:37:06,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:06,159 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:06,159 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:06,160 INFO L185 Difference]: Start difference. First operand has 35 places, 52 transitions, 153 flow. Second operand 3 states and 245 transitions. [2021-03-26 13:37:06,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 49 transitions, 154 flow [2021-03-26 13:37:06,160 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 49 transitions, 153 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 13:37:06,161 INFO L241 Difference]: Finished difference. Result has 36 places, 49 transitions, 145 flow [2021-03-26 13:37:06,161 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=143, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=145, PETRI_PLACES=36, PETRI_TRANSITIONS=49} [2021-03-26 13:37:06,161 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, -8 predicate places. [2021-03-26 13:37:06,161 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:06,161 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 49 transitions, 145 flow [2021-03-26 13:37:06,161 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 49 transitions, 145 flow [2021-03-26 13:37:06,161 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 49 transitions, 145 flow [2021-03-26 13:37:06,164 INFO L129 PetriNetUnfolder]: 21/64 cut-off events. [2021-03-26 13:37:06,164 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:37:06,164 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 64 events. 21/64 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 134 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 71. Up to 12 conditions per place. [2021-03-26 13:37:06,164 INFO L142 LiptonReduction]: Number of co-enabled transitions 268 [2021-03-26 13:37:06,167 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:06,167 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:06,167 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6 [2021-03-26 13:37:06,167 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 49 transitions, 145 flow [2021-03-26 13:37:06,167 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:06,167 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:06,168 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 13:37:06,168 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 13:37:06,168 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:06,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:06,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1754835470, now seen corresponding path program 1 times [2021-03-26 13:37:06,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:06,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658834004] [2021-03-26 13:37:06,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:06,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:06,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:06,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:06,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 13:37:06,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:06,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:06,182 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 13:37:06,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658834004] [2021-03-26 13:37:06,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:06,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:37:06,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816301929] [2021-03-26 13:37:06,182 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 13:37:06,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:06,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 13:37:06,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 13:37:06,183 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 87 [2021-03-26 13:37:06,184 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 49 transitions, 145 flow. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:06,184 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:06,184 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 87 [2021-03-26 13:37:06,184 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:06,190 INFO L129 PetriNetUnfolder]: 0/22 cut-off events. [2021-03-26 13:37:06,190 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-03-26 13:37:06,191 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 22 events. 0/22 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 11 event pairs, 0 based on Foata normal form. 6/28 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-26 13:37:06,191 INFO L132 encePairwiseOnDemand]: 80/87 looper letters, 1 selfloop transitions, 1 changer transitions 0/22 dead transitions. [2021-03-26 13:37:06,191 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 22 transitions, 68 flow [2021-03-26 13:37:06,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 13:37:06,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 13:37:06,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 245 transitions. [2021-03-26 13:37:06,192 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9386973180076629 [2021-03-26 13:37:06,192 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 245 transitions. [2021-03-26 13:37:06,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 245 transitions. [2021-03-26 13:37:06,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:06,192 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 245 transitions. [2021-03-26 13:37:06,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:06,193 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:06,193 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:06,193 INFO L185 Difference]: Start difference. First operand has 36 places, 49 transitions, 145 flow. Second operand 3 states and 245 transitions. [2021-03-26 13:37:06,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 22 transitions, 68 flow [2021-03-26 13:37:06,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 22 transitions, 67 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 13:37:06,194 INFO L241 Difference]: Finished difference. Result has 37 places, 22 transitions, 65 flow [2021-03-26 13:37:06,194 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=63, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=65, PETRI_PLACES=37, PETRI_TRANSITIONS=22} [2021-03-26 13:37:06,194 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, -7 predicate places. [2021-03-26 13:37:06,194 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:06,194 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 22 transitions, 65 flow [2021-03-26 13:37:06,194 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 22 transitions, 65 flow [2021-03-26 13:37:06,195 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 22 transitions, 65 flow [2021-03-26 13:37:06,196 INFO L129 PetriNetUnfolder]: 0/22 cut-off events. [2021-03-26 13:37:06,196 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:37:06,196 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37 conditions, 22 events. 0/22 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 17 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-03-26 13:37:06,196 INFO L142 LiptonReduction]: Number of co-enabled transitions 126 [2021-03-26 13:37:06,197 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:06,197 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:06,197 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3 [2021-03-26 13:37:06,197 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 22 transitions, 65 flow [2021-03-26 13:37:06,198 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:06,198 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:06,198 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 13:37:06,198 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 13:37:06,198 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:06,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:06,198 INFO L82 PathProgramCache]: Analyzing trace with hash 976181548, now seen corresponding path program 1 times [2021-03-26 13:37:06,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:06,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661887056] [2021-03-26 13:37:06,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:06,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:06,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:06,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:06,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:06,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:06,248 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:37:06,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:37:06,264 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:06,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:06,283 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:37:06,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:37:06,301 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:37:06,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:37:06,324 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 13:37:06,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:37:06,351 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:37:06,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:37:06,373 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 13:37:06,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661887056] [2021-03-26 13:37:06,373 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:06,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:37:06,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633263390] [2021-03-26 13:37:06,373 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:37:06,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:06,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:37:06,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:37:06,374 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:37:06,375 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 22 transitions, 65 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:06,375 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:06,375 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:37:06,375 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:06,473 INFO L129 PetriNetUnfolder]: 387/724 cut-off events. [2021-03-26 13:37:06,473 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:37:06,474 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1323 conditions, 724 events. 387/724 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 4118 event pairs, 129 based on Foata normal form. 1/669 useless extension candidates. Maximal degree in co-relation 1315. Up to 225 conditions per place. [2021-03-26 13:37:06,476 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 27 selfloop transitions, 6 changer transitions 1/48 dead transitions. [2021-03-26 13:37:06,477 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 48 transitions, 185 flow [2021-03-26 13:37:06,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:37:06,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:37:06,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:37:06,478 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:37:06,478 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:37:06,478 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:37:06,478 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:06,478 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:37:06,480 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:06,481 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:06,481 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:06,481 INFO L185 Difference]: Start difference. First operand has 37 places, 22 transitions, 65 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:37:06,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 48 transitions, 185 flow [2021-03-26 13:37:06,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 48 transitions, 184 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 13:37:06,482 INFO L241 Difference]: Finished difference. Result has 51 places, 27 transitions, 111 flow [2021-03-26 13:37:06,482 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=111, PETRI_PLACES=51, PETRI_TRANSITIONS=27} [2021-03-26 13:37:06,482 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 7 predicate places. [2021-03-26 13:37:06,482 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:06,482 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 27 transitions, 111 flow [2021-03-26 13:37:06,483 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 27 transitions, 111 flow [2021-03-26 13:37:06,483 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 27 transitions, 111 flow [2021-03-26 13:37:06,486 INFO L129 PetriNetUnfolder]: 0/67 cut-off events. [2021-03-26 13:37:06,486 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2021-03-26 13:37:06,486 INFO L84 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 67 events. 0/67 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 255 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 0. Up to 7 conditions per place. [2021-03-26 13:37:06,487 INFO L142 LiptonReduction]: Number of co-enabled transitions 192 [2021-03-26 13:37:06,488 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:06,488 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:06,488 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6 [2021-03-26 13:37:06,488 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 27 transitions, 111 flow [2021-03-26 13:37:06,489 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:06,489 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:06,489 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 13:37:06,489 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 13:37:06,489 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:06,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:06,489 INFO L82 PathProgramCache]: Analyzing trace with hash 2007826080, now seen corresponding path program 2 times [2021-03-26 13:37:06,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:06,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014208408] [2021-03-26 13:37:06,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:06,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:06,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:06,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:06,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:06,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:06,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:06,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:06,525 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:37:06,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:37:06,535 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:06,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:06,576 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:37:06,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:37:06,607 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:37:06,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:37:06,634 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:37:06,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:37:06,658 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 13:37:06,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014208408] [2021-03-26 13:37:06,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:06,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:37:06,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709185376] [2021-03-26 13:37:06,659 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:37:06,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:06,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:37:06,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:37:06,660 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:37:06,661 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 27 transitions, 111 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:06,661 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:06,661 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:37:06,661 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:06,796 INFO L129 PetriNetUnfolder]: 453/1033 cut-off events. [2021-03-26 13:37:06,796 INFO L130 PetriNetUnfolder]: For 1007/1012 co-relation queries the response was YES. [2021-03-26 13:37:06,799 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2637 conditions, 1033 events. 453/1033 cut-off events. For 1007/1012 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 6897 event pairs, 147 based on Foata normal form. 1/977 useless extension candidates. Maximal degree in co-relation 2622. Up to 297 conditions per place. [2021-03-26 13:37:06,804 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 38 selfloop transitions, 9 changer transitions 2/63 dead transitions. [2021-03-26 13:37:06,804 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 63 transitions, 379 flow [2021-03-26 13:37:06,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:37:06,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:37:06,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:37:06,806 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:37:06,806 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:37:06,806 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:37:06,806 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:06,806 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:37:06,807 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:06,808 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:06,809 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:06,809 INFO L185 Difference]: Start difference. First operand has 50 places, 27 transitions, 111 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:37:06,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 63 transitions, 379 flow [2021-03-26 13:37:06,811 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 63 transitions, 360 flow, removed 6 selfloop flow, removed 2 redundant places. [2021-03-26 13:37:06,813 INFO L241 Difference]: Finished difference. Result has 63 places, 35 transitions, 201 flow [2021-03-26 13:37:06,813 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=201, PETRI_PLACES=63, PETRI_TRANSITIONS=35} [2021-03-26 13:37:06,813 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 19 predicate places. [2021-03-26 13:37:06,813 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:06,814 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 35 transitions, 201 flow [2021-03-26 13:37:06,814 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 35 transitions, 201 flow [2021-03-26 13:37:06,814 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 35 transitions, 201 flow [2021-03-26 13:37:06,825 INFO L129 PetriNetUnfolder]: 0/175 cut-off events. [2021-03-26 13:37:06,825 INFO L130 PetriNetUnfolder]: For 99/107 co-relation queries the response was YES. [2021-03-26 13:37:06,825 INFO L84 FinitePrefix]: Finished finitePrefix Result has 339 conditions, 175 events. 0/175 cut-off events. For 99/107 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1208 event pairs, 0 based on Foata normal form. 0/151 useless extension candidates. Maximal degree in co-relation 0. Up to 20 conditions per place. [2021-03-26 13:37:06,826 INFO L142 LiptonReduction]: Number of co-enabled transitions 246 [2021-03-26 13:37:06,828 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:06,828 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:06,828 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-03-26 13:37:06,829 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 35 transitions, 201 flow [2021-03-26 13:37:06,829 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:06,829 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:06,829 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 13:37:06,829 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 13:37:06,829 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:06,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:06,829 INFO L82 PathProgramCache]: Analyzing trace with hash -326948672, now seen corresponding path program 3 times [2021-03-26 13:37:06,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:06,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717122955] [2021-03-26 13:37:06,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:06,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:06,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:06,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:06,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:06,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:06,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:06,896 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:37:06,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:37:06,906 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:06,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:06,921 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:37:06,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:37:06,950 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 13:37:06,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:37:06,980 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:37:06,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:37:07,002 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 13:37:07,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717122955] [2021-03-26 13:37:07,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:07,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:37:07,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312334327] [2021-03-26 13:37:07,002 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:37:07,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:07,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:37:07,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:37:07,003 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:37:07,004 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 35 transitions, 201 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:07,004 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:07,004 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:37:07,004 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:07,184 INFO L129 PetriNetUnfolder]: 535/1413 cut-off events. [2021-03-26 13:37:07,184 INFO L130 PetriNetUnfolder]: For 3422/3547 co-relation queries the response was YES. [2021-03-26 13:37:07,189 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4522 conditions, 1413 events. 535/1413 cut-off events. For 3422/3547 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 11134 event pairs, 164 based on Foata normal form. 1/1351 useless extension candidates. Maximal degree in co-relation 4501. Up to 408 conditions per place. [2021-03-26 13:37:07,196 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 49 selfloop transitions, 18 changer transitions 1/82 dead transitions. [2021-03-26 13:37:07,196 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 82 transitions, 663 flow [2021-03-26 13:37:07,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:37:07,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:37:07,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:37:07,197 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:37:07,198 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:37:07,198 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:37:07,198 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:07,198 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:37:07,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:07,201 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:07,201 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:07,201 INFO L185 Difference]: Start difference. First operand has 62 places, 35 transitions, 201 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:37:07,201 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 82 transitions, 663 flow [2021-03-26 13:37:07,208 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 82 transitions, 634 flow, removed 11 selfloop flow, removed 2 redundant places. [2021-03-26 13:37:07,209 INFO L241 Difference]: Finished difference. Result has 75 places, 50 transitions, 411 flow [2021-03-26 13:37:07,210 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=411, PETRI_PLACES=75, PETRI_TRANSITIONS=50} [2021-03-26 13:37:07,210 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 31 predicate places. [2021-03-26 13:37:07,210 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:07,210 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 50 transitions, 411 flow [2021-03-26 13:37:07,210 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 50 transitions, 411 flow [2021-03-26 13:37:07,211 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 50 transitions, 411 flow [2021-03-26 13:37:07,236 INFO L129 PetriNetUnfolder]: 0/358 cut-off events. [2021-03-26 13:37:07,236 INFO L130 PetriNetUnfolder]: For 460/503 co-relation queries the response was YES. [2021-03-26 13:37:07,236 INFO L84 FinitePrefix]: Finished finitePrefix Result has 756 conditions, 358 events. 0/358 cut-off events. For 460/503 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 3284 event pairs, 0 based on Foata normal form. 0/320 useless extension candidates. Maximal degree in co-relation 0. Up to 41 conditions per place. [2021-03-26 13:37:07,239 INFO L142 LiptonReduction]: Number of co-enabled transitions 342 [2021-03-26 13:37:07,242 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:07,242 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:07,242 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 32 [2021-03-26 13:37:07,242 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 50 transitions, 411 flow [2021-03-26 13:37:07,243 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:07,243 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:07,243 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 13:37:07,243 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 13:37:07,243 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:07,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:07,243 INFO L82 PathProgramCache]: Analyzing trace with hash -762664422, now seen corresponding path program 4 times [2021-03-26 13:37:07,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:07,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326783710] [2021-03-26 13:37:07,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:07,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:07,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:07,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:07,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:07,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:07,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:07,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:07,276 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:37:07,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:37:07,286 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:07,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:07,305 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:37:07,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:37:07,330 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 13:37:07,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:37:07,359 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:37:07,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:37:07,380 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 13:37:07,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326783710] [2021-03-26 13:37:07,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:07,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:37:07,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054251042] [2021-03-26 13:37:07,381 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:37:07,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:07,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:37:07,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:37:07,383 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:37:07,383 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 50 transitions, 411 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:07,383 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:07,383 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:37:07,384 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:07,596 INFO L129 PetriNetUnfolder]: 640/1951 cut-off events. [2021-03-26 13:37:07,597 INFO L130 PetriNetUnfolder]: For 8582/8735 co-relation queries the response was YES. [2021-03-26 13:37:07,602 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7290 conditions, 1951 events. 640/1951 cut-off events. For 8582/8735 co-relation queries the response was YES. Maximal size of possible extension queue 241. Compared 18283 event pairs, 193 based on Foata normal form. 1/1874 useless extension candidates. Maximal degree in co-relation 7263. Up to 552 conditions per place. [2021-03-26 13:37:07,610 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 67 selfloop transitions, 32 changer transitions 1/114 dead transitions. [2021-03-26 13:37:07,610 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 114 transitions, 1234 flow [2021-03-26 13:37:07,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:37:07,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:37:07,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:37:07,612 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:37:07,612 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:37:07,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:37:07,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:07,613 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:37:07,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:07,615 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:07,615 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:07,615 INFO L185 Difference]: Start difference. First operand has 74 places, 50 transitions, 411 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:37:07,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 114 transitions, 1234 flow [2021-03-26 13:37:07,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 114 transitions, 1206 flow, removed 10 selfloop flow, removed 2 redundant places. [2021-03-26 13:37:07,630 INFO L241 Difference]: Finished difference. Result has 87 places, 77 transitions, 871 flow [2021-03-26 13:37:07,631 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=402, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=871, PETRI_PLACES=87, PETRI_TRANSITIONS=77} [2021-03-26 13:37:07,631 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 43 predicate places. [2021-03-26 13:37:07,631 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:07,631 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 77 transitions, 871 flow [2021-03-26 13:37:07,631 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 77 transitions, 871 flow [2021-03-26 13:37:07,632 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 77 transitions, 871 flow [2021-03-26 13:37:07,671 INFO L129 PetriNetUnfolder]: 0/589 cut-off events. [2021-03-26 13:37:07,671 INFO L130 PetriNetUnfolder]: For 1500/1711 co-relation queries the response was YES. [2021-03-26 13:37:07,671 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1378 conditions, 589 events. 0/589 cut-off events. For 1500/1711 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 6263 event pairs, 0 based on Foata normal form. 2/538 useless extension candidates. Maximal degree in co-relation 0. Up to 68 conditions per place. [2021-03-26 13:37:07,675 INFO L142 LiptonReduction]: Number of co-enabled transitions 516 [2021-03-26 13:37:07,681 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:07,681 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:07,681 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 50 [2021-03-26 13:37:07,681 INFO L480 AbstractCegarLoop]: Abstraction has has 86 places, 77 transitions, 871 flow [2021-03-26 13:37:07,682 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:07,682 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:07,682 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 13:37:07,682 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 13:37:07,682 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:07,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:07,682 INFO L82 PathProgramCache]: Analyzing trace with hash -121259338, now seen corresponding path program 5 times [2021-03-26 13:37:07,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:07,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473739466] [2021-03-26 13:37:07,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:07,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:07,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:07,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:07,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:07,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:07,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:07,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:07,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:37:07,746 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:07,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:07,760 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:37:07,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:37:07,781 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:37:07,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:37:07,805 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:37:07,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:37:07,825 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 13:37:07,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473739466] [2021-03-26 13:37:07,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:07,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:37:07,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709175089] [2021-03-26 13:37:07,826 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:37:07,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:07,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:37:07,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:37:07,827 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:37:07,827 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 77 transitions, 871 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:07,827 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:07,827 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:37:07,828 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:08,159 INFO L129 PetriNetUnfolder]: 780/2943 cut-off events. [2021-03-26 13:37:08,159 INFO L130 PetriNetUnfolder]: For 18048/18351 co-relation queries the response was YES. [2021-03-26 13:37:08,169 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11823 conditions, 2943 events. 780/2943 cut-off events. For 18048/18351 co-relation queries the response was YES. Maximal size of possible extension queue 384. Compared 32929 event pairs, 261 based on Foata normal form. 1/2844 useless extension candidates. Maximal degree in co-relation 11790. Up to 800 conditions per place. [2021-03-26 13:37:08,179 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 83 selfloop transitions, 43 changer transitions 1/141 dead transitions. [2021-03-26 13:37:08,179 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 141 transitions, 1874 flow [2021-03-26 13:37:08,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:37:08,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:37:08,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:37:08,181 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:37:08,181 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:37:08,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:37:08,182 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:08,182 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:37:08,183 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:08,184 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:08,184 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:08,184 INFO L185 Difference]: Start difference. First operand has 86 places, 77 transitions, 871 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:37:08,184 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 141 transitions, 1874 flow [2021-03-26 13:37:08,212 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 141 transitions, 1844 flow, removed 9 selfloop flow, removed 2 redundant places. [2021-03-26 13:37:08,215 INFO L241 Difference]: Finished difference. Result has 99 places, 96 transitions, 1294 flow [2021-03-26 13:37:08,215 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=858, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1294, PETRI_PLACES=99, PETRI_TRANSITIONS=96} [2021-03-26 13:37:08,215 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 55 predicate places. [2021-03-26 13:37:08,215 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:08,216 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 99 places, 96 transitions, 1294 flow [2021-03-26 13:37:08,216 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 99 places, 96 transitions, 1294 flow [2021-03-26 13:37:08,216 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 98 places, 96 transitions, 1294 flow [2021-03-26 13:37:08,291 INFO L129 PetriNetUnfolder]: 0/1097 cut-off events. [2021-03-26 13:37:08,291 INFO L130 PetriNetUnfolder]: For 4292/4447 co-relation queries the response was YES. [2021-03-26 13:37:08,291 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3040 conditions, 1097 events. 0/1097 cut-off events. For 4292/4447 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 13702 event pairs, 0 based on Foata normal form. 0/1021 useless extension candidates. Maximal degree in co-relation 0. Up to 113 conditions per place. [2021-03-26 13:37:08,298 INFO L142 LiptonReduction]: Number of co-enabled transitions 586 [2021-03-26 13:37:08,307 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:08,307 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:08,307 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 92 [2021-03-26 13:37:08,309 INFO L480 AbstractCegarLoop]: Abstraction has has 98 places, 96 transitions, 1294 flow [2021-03-26 13:37:08,309 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:08,309 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:08,309 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 13:37:08,309 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 13:37:08,309 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:08,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:08,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1992160978, now seen corresponding path program 6 times [2021-03-26 13:37:08,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:08,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556862136] [2021-03-26 13:37:08,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:08,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:08,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:08,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:08,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:08,353 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:08,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:08,359 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:37:08,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:37:08,368 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:37:08,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:37:08,382 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:37:08,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:37:08,403 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:37:08,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:37:08,425 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:37:08,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:37:08,445 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 13:37:08,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556862136] [2021-03-26 13:37:08,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:08,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:37:08,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294926498] [2021-03-26 13:37:08,446 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:37:08,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:08,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:37:08,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:37:08,447 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:37:08,448 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 96 transitions, 1294 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:08,448 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:08,448 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:37:08,448 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:08,795 INFO L129 PetriNetUnfolder]: 839/3202 cut-off events. [2021-03-26 13:37:08,795 INFO L130 PetriNetUnfolder]: For 28552/29372 co-relation queries the response was YES. [2021-03-26 13:37:08,809 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14722 conditions, 3202 events. 839/3202 cut-off events. For 28552/29372 co-relation queries the response was YES. Maximal size of possible extension queue 431. Compared 36590 event pairs, 276 based on Foata normal form. 1/3086 useless extension candidates. Maximal degree in co-relation 14683. Up to 897 conditions per place. [2021-03-26 13:37:08,824 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 76 selfloop transitions, 55 changer transitions 2/147 dead transitions. [2021-03-26 13:37:08,825 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 147 transitions, 2208 flow [2021-03-26 13:37:08,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:37:08,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:37:08,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:37:08,826 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:37:08,826 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:37:08,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:37:08,827 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:08,827 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:37:08,828 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:08,829 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:08,829 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:08,829 INFO L185 Difference]: Start difference. First operand has 98 places, 96 transitions, 1294 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:37:08,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 147 transitions, 2208 flow [2021-03-26 13:37:08,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 147 transitions, 2130 flow, removed 26 selfloop flow, removed 2 redundant places. [2021-03-26 13:37:08,864 INFO L241 Difference]: Finished difference. Result has 111 places, 119 transitions, 1824 flow [2021-03-26 13:37:08,864 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=1244, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1824, PETRI_PLACES=111, PETRI_TRANSITIONS=119} [2021-03-26 13:37:08,864 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 67 predicate places. [2021-03-26 13:37:08,864 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:08,864 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 119 transitions, 1824 flow [2021-03-26 13:37:08,865 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 119 transitions, 1824 flow [2021-03-26 13:37:08,865 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 110 places, 119 transitions, 1824 flow [2021-03-26 13:37:08,962 INFO L129 PetriNetUnfolder]: 0/1226 cut-off events. [2021-03-26 13:37:08,962 INFO L130 PetriNetUnfolder]: For 6444/6798 co-relation queries the response was YES. [2021-03-26 13:37:08,962 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3662 conditions, 1226 events. 0/1226 cut-off events. For 6444/6798 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 15701 event pairs, 0 based on Foata normal form. 2/1128 useless extension candidates. Maximal degree in co-relation 0. Up to 132 conditions per place. [2021-03-26 13:37:08,973 INFO L142 LiptonReduction]: Number of co-enabled transitions 730 [2021-03-26 13:37:08,985 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:08,985 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:08,985 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 121 [2021-03-26 13:37:08,986 INFO L480 AbstractCegarLoop]: Abstraction has has 110 places, 119 transitions, 1824 flow [2021-03-26 13:37:08,988 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:08,988 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:08,989 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 13:37:08,989 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 13:37:08,989 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:08,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:08,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1257254258, now seen corresponding path program 7 times [2021-03-26 13:37:08,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:08,989 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388676773] [2021-03-26 13:37:08,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:09,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:09,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:09,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:09,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:09,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:09,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:09,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:09,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:37:09,038 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-26 13:37:09,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:37:09,062 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-03-26 13:37:09,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:37:09,090 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:37:09,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:37:09,112 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:37:09,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:37:09,135 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 13:37:09,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388676773] [2021-03-26 13:37:09,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:09,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:37:09,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369712509] [2021-03-26 13:37:09,135 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:37:09,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:09,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:37:09,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:37:09,136 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:37:09,137 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 119 transitions, 1824 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:09,137 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:09,137 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:37:09,137 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:09,561 INFO L129 PetriNetUnfolder]: 849/3417 cut-off events. [2021-03-26 13:37:09,561 INFO L130 PetriNetUnfolder]: For 41834/43363 co-relation queries the response was YES. [2021-03-26 13:37:09,578 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17594 conditions, 3417 events. 849/3417 cut-off events. For 41834/43363 co-relation queries the response was YES. Maximal size of possible extension queue 460. Compared 39762 event pairs, 377 based on Foata normal form. 4/3302 useless extension candidates. Maximal degree in co-relation 17549. Up to 903 conditions per place. [2021-03-26 13:37:09,593 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 110 selfloop transitions, 62 changer transitions 2/188 dead transitions. [2021-03-26 13:37:09,593 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 188 transitions, 3153 flow [2021-03-26 13:37:09,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:37:09,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:37:09,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:37:09,594 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:37:09,594 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:37:09,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:37:09,595 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:09,595 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:37:09,596 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:09,597 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:09,597 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:09,597 INFO L185 Difference]: Start difference. First operand has 110 places, 119 transitions, 1824 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:37:09,597 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 188 transitions, 3153 flow [2021-03-26 13:37:09,659 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 188 transitions, 2999 flow, removed 52 selfloop flow, removed 3 redundant places. [2021-03-26 13:37:09,662 INFO L241 Difference]: Finished difference. Result has 122 places, 137 transitions, 2229 flow [2021-03-26 13:37:09,662 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=1741, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2229, PETRI_PLACES=122, PETRI_TRANSITIONS=137} [2021-03-26 13:37:09,662 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 78 predicate places. [2021-03-26 13:37:09,662 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:09,662 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 137 transitions, 2229 flow [2021-03-26 13:37:09,662 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 137 transitions, 2229 flow [2021-03-26 13:37:09,663 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 121 places, 137 transitions, 2229 flow [2021-03-26 13:37:09,802 INFO L129 PetriNetUnfolder]: 0/1542 cut-off events. [2021-03-26 13:37:09,802 INFO L130 PetriNetUnfolder]: For 10349/10924 co-relation queries the response was YES. [2021-03-26 13:37:09,803 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4953 conditions, 1542 events. 0/1542 cut-off events. For 10349/10924 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 20966 event pairs, 0 based on Foata normal form. 4/1429 useless extension candidates. Maximal degree in co-relation 0. Up to 169 conditions per place. [2021-03-26 13:37:09,812 INFO L142 LiptonReduction]: Number of co-enabled transitions 858 [2021-03-26 13:37:09,824 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:09,824 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:09,824 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 162 [2021-03-26 13:37:09,825 INFO L480 AbstractCegarLoop]: Abstraction has has 121 places, 137 transitions, 2229 flow [2021-03-26 13:37:09,825 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:09,825 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:09,825 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 13:37:09,825 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 13:37:09,825 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:09,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:09,826 INFO L82 PathProgramCache]: Analyzing trace with hash -575836876, now seen corresponding path program 8 times [2021-03-26 13:37:09,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:09,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562659524] [2021-03-26 13:37:09,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:09,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:09,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:09,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:09,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:09,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:09,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:09,860 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:37:09,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:37:09,869 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:09,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:09,882 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:37:09,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:37:09,902 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 13:37:09,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:37:09,926 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:37:09,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:37:09,947 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 13:37:09,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562659524] [2021-03-26 13:37:09,947 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:09,947 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:37:09,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310819665] [2021-03-26 13:37:09,948 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:37:09,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:09,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:37:09,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:37:09,948 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:37:09,949 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 137 transitions, 2229 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:09,949 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:09,949 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:37:09,949 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:10,463 INFO L129 PetriNetUnfolder]: 852/3844 cut-off events. [2021-03-26 13:37:10,463 INFO L130 PetriNetUnfolder]: For 53608/56365 co-relation queries the response was YES. [2021-03-26 13:37:10,478 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20609 conditions, 3844 events. 852/3844 cut-off events. For 53608/56365 co-relation queries the response was YES. Maximal size of possible extension queue 531. Compared 47513 event pairs, 345 based on Foata normal form. 6/3691 useless extension candidates. Maximal degree in co-relation 20559. Up to 1012 conditions per place. [2021-03-26 13:37:10,490 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 125 selfloop transitions, 80 changer transitions 1/220 dead transitions. [2021-03-26 13:37:10,490 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 220 transitions, 3893 flow [2021-03-26 13:37:10,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:37:10,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:37:10,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:37:10,492 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:37:10,492 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:37:10,492 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:37:10,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:10,492 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:37:10,493 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:10,494 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:10,494 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:10,494 INFO L185 Difference]: Start difference. First operand has 121 places, 137 transitions, 2229 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:37:10,494 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 220 transitions, 3893 flow [2021-03-26 13:37:10,555 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 220 transitions, 3749 flow, removed 52 selfloop flow, removed 2 redundant places. [2021-03-26 13:37:10,558 INFO L241 Difference]: Finished difference. Result has 134 places, 169 transitions, 2991 flow [2021-03-26 13:37:10,558 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=2143, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2991, PETRI_PLACES=134, PETRI_TRANSITIONS=169} [2021-03-26 13:37:10,558 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 90 predicate places. [2021-03-26 13:37:10,558 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:10,558 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 134 places, 169 transitions, 2991 flow [2021-03-26 13:37:10,558 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 134 places, 169 transitions, 2991 flow [2021-03-26 13:37:10,559 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 133 places, 169 transitions, 2991 flow [2021-03-26 13:37:10,736 INFO L129 PetriNetUnfolder]: 0/1933 cut-off events. [2021-03-26 13:37:10,736 INFO L130 PetriNetUnfolder]: For 16961/17733 co-relation queries the response was YES. [2021-03-26 13:37:10,736 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6510 conditions, 1933 events. 0/1933 cut-off events. For 16961/17733 co-relation queries the response was YES. Maximal size of possible extension queue 285. Compared 27565 event pairs, 0 based on Foata normal form. 8/1800 useless extension candidates. Maximal degree in co-relation 0. Up to 214 conditions per place. [2021-03-26 13:37:10,750 INFO L142 LiptonReduction]: Number of co-enabled transitions 1036 [2021-03-26 13:37:10,760 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:10,760 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:10,760 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 202 [2021-03-26 13:37:10,761 INFO L480 AbstractCegarLoop]: Abstraction has has 133 places, 169 transitions, 2991 flow [2021-03-26 13:37:10,761 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:10,761 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:10,761 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 13:37:10,761 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-26 13:37:10,761 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:10,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:10,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1030299834, now seen corresponding path program 9 times [2021-03-26 13:37:10,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:10,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387182686] [2021-03-26 13:37:10,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:10,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:10,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:10,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:10,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:10,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:10,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:10,794 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:37:10,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:37:10,803 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:10,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:10,818 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:37:10,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:37:10,837 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:37:10,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:37:10,859 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:37:10,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:37:10,881 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 13:37:10,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387182686] [2021-03-26 13:37:10,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:10,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:37:10,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168886545] [2021-03-26 13:37:10,881 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:37:10,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:10,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:37:10,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:37:10,882 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:37:10,882 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 169 transitions, 2991 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:10,882 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:10,882 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:37:10,882 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:11,545 INFO L129 PetriNetUnfolder]: 843/4435 cut-off events. [2021-03-26 13:37:11,545 INFO L130 PetriNetUnfolder]: For 72449/74976 co-relation queries the response was YES. [2021-03-26 13:37:11,565 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24699 conditions, 4435 events. 843/4435 cut-off events. For 72449/74976 co-relation queries the response was YES. Maximal size of possible extension queue 617. Compared 58981 event pairs, 337 based on Foata normal form. 12/4258 useless extension candidates. Maximal degree in co-relation 24643. Up to 1069 conditions per place. [2021-03-26 13:37:11,578 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 155 selfloop transitions, 96 changer transitions 1/266 dead transitions. [2021-03-26 13:37:11,578 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 266 transitions, 5123 flow [2021-03-26 13:37:11,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:37:11,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:37:11,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:37:11,579 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:37:11,579 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:37:11,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:37:11,580 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:11,580 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:37:11,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:11,582 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:11,582 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:11,582 INFO L185 Difference]: Start difference. First operand has 133 places, 169 transitions, 2991 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:37:11,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 266 transitions, 5123 flow [2021-03-26 13:37:11,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 266 transitions, 4915 flow, removed 84 selfloop flow, removed 2 redundant places. [2021-03-26 13:37:11,766 INFO L241 Difference]: Finished difference. Result has 146 places, 213 transitions, 4043 flow [2021-03-26 13:37:11,766 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=2865, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=4043, PETRI_PLACES=146, PETRI_TRANSITIONS=213} [2021-03-26 13:37:11,766 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 102 predicate places. [2021-03-26 13:37:11,766 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:11,767 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 146 places, 213 transitions, 4043 flow [2021-03-26 13:37:11,767 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 146 places, 213 transitions, 4043 flow [2021-03-26 13:37:11,768 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 145 places, 213 transitions, 4043 flow [2021-03-26 13:37:12,101 INFO L129 PetriNetUnfolder]: 0/2525 cut-off events. [2021-03-26 13:37:12,101 INFO L130 PetriNetUnfolder]: For 26176/27116 co-relation queries the response was YES. [2021-03-26 13:37:12,101 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9056 conditions, 2525 events. 0/2525 cut-off events. For 26176/27116 co-relation queries the response was YES. Maximal size of possible extension queue 394. Compared 37970 event pairs, 0 based on Foata normal form. 4/2390 useless extension candidates. Maximal degree in co-relation 0. Up to 278 conditions per place. [2021-03-26 13:37:12,121 INFO L142 LiptonReduction]: Number of co-enabled transitions 1250 [2021-03-26 13:37:12,131 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:12,131 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:12,131 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 365 [2021-03-26 13:37:12,131 INFO L480 AbstractCegarLoop]: Abstraction has has 145 places, 213 transitions, 4043 flow [2021-03-26 13:37:12,132 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:12,132 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:12,132 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 13:37:12,132 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-26 13:37:12,132 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:12,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:12,132 INFO L82 PathProgramCache]: Analyzing trace with hash -407352836, now seen corresponding path program 10 times [2021-03-26 13:37:12,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:12,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372375995] [2021-03-26 13:37:12,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:12,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:12,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:12,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:12,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:12,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:12,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:12,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:12,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:37:12,168 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:12,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:12,185 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:37:12,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:37:12,205 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:37:12,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:37:12,230 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:37:12,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:37:12,252 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 13:37:12,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372375995] [2021-03-26 13:37:12,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:12,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:37:12,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166734487] [2021-03-26 13:37:12,253 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:37:12,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:12,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:37:12,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:37:12,254 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:37:12,255 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 213 transitions, 4043 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:12,255 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:12,255 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:37:12,255 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:13,019 INFO L129 PetriNetUnfolder]: 823/4619 cut-off events. [2021-03-26 13:37:13,020 INFO L130 PetriNetUnfolder]: For 90064/92699 co-relation queries the response was YES. [2021-03-26 13:37:13,043 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27481 conditions, 4619 events. 823/4619 cut-off events. For 90064/92699 co-relation queries the response was YES. Maximal size of possible extension queue 666. Compared 62790 event pairs, 340 based on Foata normal form. 15/4453 useless extension candidates. Maximal degree in co-relation 27419. Up to 1087 conditions per place. [2021-03-26 13:37:13,058 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 171 selfloop transitions, 118 changer transitions 3/306 dead transitions. [2021-03-26 13:37:13,058 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 306 transitions, 6335 flow [2021-03-26 13:37:13,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:37:13,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:37:13,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:37:13,059 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:37:13,059 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:37:13,059 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:37:13,060 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:13,060 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:37:13,061 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:13,062 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:13,062 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:13,062 INFO L185 Difference]: Start difference. First operand has 145 places, 213 transitions, 4043 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:37:13,062 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 306 transitions, 6335 flow [2021-03-26 13:37:13,225 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 306 transitions, 6127 flow, removed 84 selfloop flow, removed 2 redundant places. [2021-03-26 13:37:13,230 INFO L241 Difference]: Finished difference. Result has 158 places, 237 transitions, 4841 flow [2021-03-26 13:37:13,231 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=3891, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=94, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=4841, PETRI_PLACES=158, PETRI_TRANSITIONS=237} [2021-03-26 13:37:13,231 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 114 predicate places. [2021-03-26 13:37:13,231 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:13,231 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 158 places, 237 transitions, 4841 flow [2021-03-26 13:37:13,231 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 158 places, 237 transitions, 4841 flow [2021-03-26 13:37:13,233 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 157 places, 237 transitions, 4841 flow [2021-03-26 13:37:13,561 INFO L129 PetriNetUnfolder]: 0/2808 cut-off events. [2021-03-26 13:37:13,561 INFO L130 PetriNetUnfolder]: For 36854/38320 co-relation queries the response was YES. [2021-03-26 13:37:13,561 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10724 conditions, 2808 events. 0/2808 cut-off events. For 36854/38320 co-relation queries the response was YES. Maximal size of possible extension queue 442. Compared 43215 event pairs, 0 based on Foata normal form. 4/2658 useless extension candidates. Maximal degree in co-relation 0. Up to 308 conditions per place. [2021-03-26 13:37:13,581 INFO L142 LiptonReduction]: Number of co-enabled transitions 1320 [2021-03-26 13:37:13,592 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:13,592 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:13,593 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 362 [2021-03-26 13:37:13,593 INFO L480 AbstractCegarLoop]: Abstraction has has 157 places, 237 transitions, 4841 flow [2021-03-26 13:37:13,593 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:13,593 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:13,593 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 13:37:13,593 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-26 13:37:13,593 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:13,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:13,594 INFO L82 PathProgramCache]: Analyzing trace with hash -808104420, now seen corresponding path program 11 times [2021-03-26 13:37:13,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:13,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736296069] [2021-03-26 13:37:13,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:13,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:13,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:13,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:13,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:13,612 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:13,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:13,619 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:37:13,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:37:13,629 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:37:13,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:37:13,651 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 13:37:13,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 13:37:13,681 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 13:37:13,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:37:13,705 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:37:13,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:37:13,735 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 13:37:13,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736296069] [2021-03-26 13:37:13,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:13,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:37:13,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730112694] [2021-03-26 13:37:13,736 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:37:13,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:13,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:37:13,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:37:13,736 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:37:13,737 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 237 transitions, 4841 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:13,737 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:13,737 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:37:13,737 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:14,525 INFO L129 PetriNetUnfolder]: 806/4709 cut-off events. [2021-03-26 13:37:14,525 INFO L130 PetriNetUnfolder]: For 110621/115107 co-relation queries the response was YES. [2021-03-26 13:37:14,544 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29881 conditions, 4709 events. 806/4709 cut-off events. For 110621/115107 co-relation queries the response was YES. Maximal size of possible extension queue 671. Compared 64747 event pairs, 415 based on Foata normal form. 20/4544 useless extension candidates. Maximal degree in co-relation 29813. Up to 983 conditions per place. [2021-03-26 13:37:14,557 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 163 selfloop transitions, 129 changer transitions 2/308 dead transitions. [2021-03-26 13:37:14,557 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 308 transitions, 6847 flow [2021-03-26 13:37:14,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:37:14,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:37:14,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:37:14,558 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:37:14,558 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:37:14,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:37:14,558 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:14,558 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:37:14,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:14,560 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:14,560 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:14,560 INFO L185 Difference]: Start difference. First operand has 157 places, 237 transitions, 4841 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:37:14,560 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 308 transitions, 6847 flow [2021-03-26 13:37:14,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 308 transitions, 6635 flow, removed 86 selfloop flow, removed 2 redundant places. [2021-03-26 13:37:14,766 INFO L241 Difference]: Finished difference. Result has 170 places, 251 transitions, 5501 flow [2021-03-26 13:37:14,766 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=4687, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=115, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=5501, PETRI_PLACES=170, PETRI_TRANSITIONS=251} [2021-03-26 13:37:14,767 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 126 predicate places. [2021-03-26 13:37:14,767 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:14,767 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 170 places, 251 transitions, 5501 flow [2021-03-26 13:37:14,767 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 170 places, 251 transitions, 5501 flow [2021-03-26 13:37:14,769 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 169 places, 251 transitions, 5501 flow [2021-03-26 13:37:15,112 INFO L129 PetriNetUnfolder]: 0/2972 cut-off events. [2021-03-26 13:37:15,112 INFO L130 PetriNetUnfolder]: For 46437/48168 co-relation queries the response was YES. [2021-03-26 13:37:15,113 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12040 conditions, 2972 events. 0/2972 cut-off events. For 46437/48168 co-relation queries the response was YES. Maximal size of possible extension queue 459. Compared 46367 event pairs, 0 based on Foata normal form. 4/2810 useless extension candidates. Maximal degree in co-relation 0. Up to 333 conditions per place. [2021-03-26 13:37:15,138 INFO L142 LiptonReduction]: Number of co-enabled transitions 1450 [2021-03-26 13:37:15,149 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:15,149 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:15,149 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 382 [2021-03-26 13:37:15,149 INFO L480 AbstractCegarLoop]: Abstraction has has 169 places, 251 transitions, 5501 flow [2021-03-26 13:37:15,150 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:15,150 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:15,150 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 13:37:15,150 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-26 13:37:15,150 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:15,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:15,150 INFO L82 PathProgramCache]: Analyzing trace with hash 1473127532, now seen corresponding path program 12 times [2021-03-26 13:37:15,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:15,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163213122] [2021-03-26 13:37:15,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:15,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:15,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:15,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:15,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:15,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:15,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:15,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:15,173 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:37:15,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:37:15,189 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:37:15,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:37:15,207 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:37:15,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:37:15,226 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:37:15,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:37:15,249 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:37:15,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:37:15,270 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 13:37:15,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163213122] [2021-03-26 13:37:15,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:15,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:37:15,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707945663] [2021-03-26 13:37:15,271 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:37:15,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:15,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:37:15,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:37:15,272 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:37:15,272 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 251 transitions, 5501 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:15,272 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:15,272 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:37:15,272 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:16,168 INFO L129 PetriNetUnfolder]: 783/5096 cut-off events. [2021-03-26 13:37:16,168 INFO L130 PetriNetUnfolder]: For 129061/133488 co-relation queries the response was YES. [2021-03-26 13:37:16,194 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32631 conditions, 5096 events. 783/5096 cut-off events. For 129061/133488 co-relation queries the response was YES. Maximal size of possible extension queue 715. Compared 72769 event pairs, 292 based on Foata normal form. 32/4870 useless extension candidates. Maximal degree in co-relation 32557. Up to 1106 conditions per place. [2021-03-26 13:37:16,207 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 182 selfloop transitions, 152 changer transitions 1/349 dead transitions. [2021-03-26 13:37:16,207 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 349 transitions, 8369 flow [2021-03-26 13:37:16,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:37:16,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:37:16,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:37:16,209 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:37:16,209 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:37:16,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:37:16,211 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:16,211 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:37:16,212 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:16,214 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:16,214 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:16,214 INFO L185 Difference]: Start difference. First operand has 169 places, 251 transitions, 5501 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:37:16,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 349 transitions, 8369 flow [2021-03-26 13:37:16,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 349 transitions, 8114 flow, removed 106 selfloop flow, removed 3 redundant places. [2021-03-26 13:37:16,516 INFO L241 Difference]: Finished difference. Result has 180 places, 282 transitions, 6572 flow [2021-03-26 13:37:16,516 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=5337, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=121, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=6572, PETRI_PLACES=180, PETRI_TRANSITIONS=282} [2021-03-26 13:37:16,516 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 136 predicate places. [2021-03-26 13:37:16,516 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:16,516 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 180 places, 282 transitions, 6572 flow [2021-03-26 13:37:16,516 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 180 places, 282 transitions, 6572 flow [2021-03-26 13:37:16,518 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 179 places, 282 transitions, 6572 flow [2021-03-26 13:37:16,967 INFO L129 PetriNetUnfolder]: 0/3281 cut-off events. [2021-03-26 13:37:16,967 INFO L130 PetriNetUnfolder]: For 55908/57404 co-relation queries the response was YES. [2021-03-26 13:37:16,967 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13811 conditions, 3281 events. 0/3281 cut-off events. For 55908/57404 co-relation queries the response was YES. Maximal size of possible extension queue 504. Compared 52040 event pairs, 0 based on Foata normal form. 4/3121 useless extension candidates. Maximal degree in co-relation 0. Up to 366 conditions per place. [2021-03-26 13:37:17,001 INFO L142 LiptonReduction]: Number of co-enabled transitions 1566 [2021-03-26 13:37:17,015 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:17,015 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:17,015 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 499 [2021-03-26 13:37:17,015 INFO L480 AbstractCegarLoop]: Abstraction has has 179 places, 282 transitions, 6572 flow [2021-03-26 13:37:17,015 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:17,015 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:17,016 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 13:37:17,016 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-26 13:37:17,016 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:17,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:17,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1237463442, now seen corresponding path program 13 times [2021-03-26 13:37:17,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:17,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101359413] [2021-03-26 13:37:17,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:17,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:17,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:17,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:17,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:17,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:17,035 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:17,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:17,041 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:37:17,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:37:17,051 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:37:17,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:37:17,081 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 13:37:17,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 13:37:17,116 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:37:17,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:37:17,150 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:37:17,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:37:17,177 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 13:37:17,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101359413] [2021-03-26 13:37:17,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:17,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:37:17,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883904137] [2021-03-26 13:37:17,178 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:37:17,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:17,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:37:17,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:37:17,182 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:37:17,183 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 282 transitions, 6572 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:17,183 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:17,183 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:37:17,183 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:18,216 INFO L129 PetriNetUnfolder]: 777/5002 cut-off events. [2021-03-26 13:37:18,217 INFO L130 PetriNetUnfolder]: For 138838/143557 co-relation queries the response was YES. [2021-03-26 13:37:18,249 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33484 conditions, 5002 events. 777/5002 cut-off events. For 138838/143557 co-relation queries the response was YES. Maximal size of possible extension queue 706. Compared 70959 event pairs, 442 based on Foata normal form. 23/4815 useless extension candidates. Maximal degree in co-relation 33406. Up to 982 conditions per place. [2021-03-26 13:37:18,265 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 174 selfloop transitions, 165 changer transitions 1/354 dead transitions. [2021-03-26 13:37:18,265 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 354 transitions, 8885 flow [2021-03-26 13:37:18,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:37:18,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:37:18,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:37:18,266 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:37:18,266 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:37:18,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:37:18,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:18,266 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:37:18,267 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:18,268 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:18,268 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:18,268 INFO L185 Difference]: Start difference. First operand has 179 places, 282 transitions, 6572 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:37:18,268 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 354 transitions, 8885 flow [2021-03-26 13:37:18,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 354 transitions, 8502 flow, removed 107 selfloop flow, removed 3 redundant places. [2021-03-26 13:37:18,566 INFO L241 Difference]: Finished difference. Result has 190 places, 295 transitions, 7135 flow [2021-03-26 13:37:18,566 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=6309, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=152, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=7135, PETRI_PLACES=190, PETRI_TRANSITIONS=295} [2021-03-26 13:37:18,566 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 146 predicate places. [2021-03-26 13:37:18,566 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:18,566 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 190 places, 295 transitions, 7135 flow [2021-03-26 13:37:18,567 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 190 places, 295 transitions, 7135 flow [2021-03-26 13:37:18,569 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 189 places, 295 transitions, 7135 flow [2021-03-26 13:37:18,967 INFO L129 PetriNetUnfolder]: 0/3335 cut-off events. [2021-03-26 13:37:18,967 INFO L130 PetriNetUnfolder]: For 62581/63974 co-relation queries the response was YES. [2021-03-26 13:37:18,968 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14606 conditions, 3335 events. 0/3335 cut-off events. For 62581/63974 co-relation queries the response was YES. Maximal size of possible extension queue 525. Compared 53185 event pairs, 0 based on Foata normal form. 4/3178 useless extension candidates. Maximal degree in co-relation 0. Up to 372 conditions per place. [2021-03-26 13:37:18,991 INFO L142 LiptonReduction]: Number of co-enabled transitions 1694 [2021-03-26 13:37:19,005 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:19,005 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:19,005 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 439 [2021-03-26 13:37:19,006 INFO L480 AbstractCegarLoop]: Abstraction has has 189 places, 295 transitions, 7135 flow [2021-03-26 13:37:19,006 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:19,006 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:19,006 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 13:37:19,006 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-26 13:37:19,006 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:19,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:19,006 INFO L82 PathProgramCache]: Analyzing trace with hash 2007168412, now seen corresponding path program 14 times [2021-03-26 13:37:19,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:19,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568563750] [2021-03-26 13:37:19,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:19,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:19,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:19,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:19,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:19,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:19,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:19,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:19,032 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:37:19,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:37:19,041 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:19,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:19,053 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:37:19,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:37:19,074 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:37:19,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:37:19,095 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:37:19,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:37:19,120 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 13:37:19,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568563750] [2021-03-26 13:37:19,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:19,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:37:19,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29415750] [2021-03-26 13:37:19,121 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:37:19,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:19,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:37:19,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:37:19,121 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:37:19,122 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 295 transitions, 7135 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:19,122 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:19,122 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:37:19,122 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:20,059 INFO L129 PetriNetUnfolder]: 781/5121 cut-off events. [2021-03-26 13:37:20,060 INFO L130 PetriNetUnfolder]: For 142660/147849 co-relation queries the response was YES. [2021-03-26 13:37:20,087 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34015 conditions, 5121 events. 781/5121 cut-off events. For 142660/147849 co-relation queries the response was YES. Maximal size of possible extension queue 723. Compared 73317 event pairs, 431 based on Foata normal form. 34/4921 useless extension candidates. Maximal degree in co-relation 33932. Up to 1106 conditions per place. [2021-03-26 13:37:20,099 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 157 selfloop transitions, 193 changer transitions 1/365 dead transitions. [2021-03-26 13:37:20,100 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 365 transitions, 9614 flow [2021-03-26 13:37:20,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:37:20,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:37:20,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:37:20,101 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:37:20,101 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:37:20,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:37:20,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:20,102 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:37:20,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:20,103 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:20,103 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:20,103 INFO L185 Difference]: Start difference. First operand has 189 places, 295 transitions, 7135 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:37:20,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 365 transitions, 9614 flow [2021-03-26 13:37:20,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 365 transitions, 9247 flow, removed 76 selfloop flow, removed 3 redundant places. [2021-03-26 13:37:20,504 INFO L241 Difference]: Finished difference. Result has 200 places, 335 transitions, 8647 flow [2021-03-26 13:37:20,505 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=6860, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=153, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=8647, PETRI_PLACES=200, PETRI_TRANSITIONS=335} [2021-03-26 13:37:20,505 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 156 predicate places. [2021-03-26 13:37:20,505 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:20,505 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 200 places, 335 transitions, 8647 flow [2021-03-26 13:37:20,505 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 200 places, 335 transitions, 8647 flow [2021-03-26 13:37:20,508 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 199 places, 335 transitions, 8647 flow [2021-03-26 13:37:20,943 INFO L129 PetriNetUnfolder]: 0/3479 cut-off events. [2021-03-26 13:37:20,943 INFO L130 PetriNetUnfolder]: For 70532/72132 co-relation queries the response was YES. [2021-03-26 13:37:20,943 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15734 conditions, 3479 events. 0/3479 cut-off events. For 70532/72132 co-relation queries the response was YES. Maximal size of possible extension queue 544. Compared 55828 event pairs, 0 based on Foata normal form. 7/3315 useless extension candidates. Maximal degree in co-relation 0. Up to 391 conditions per place. [2021-03-26 13:37:20,967 INFO L142 LiptonReduction]: Number of co-enabled transitions 1862 [2021-03-26 13:37:20,985 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:20,985 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:20,985 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 480 [2021-03-26 13:37:20,985 INFO L480 AbstractCegarLoop]: Abstraction has has 199 places, 335 transitions, 8647 flow [2021-03-26 13:37:20,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:20,985 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:20,985 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 13:37:20,985 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-26 13:37:20,986 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:20,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:20,986 INFO L82 PathProgramCache]: Analyzing trace with hash 123343342, now seen corresponding path program 15 times [2021-03-26 13:37:20,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:20,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152819235] [2021-03-26 13:37:20,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:20,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:21,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:21,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:21,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:21,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:21,005 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:21,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:21,011 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:37:21,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:37:21,020 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:21,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:21,032 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:37:21,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:37:21,053 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:37:21,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:37:21,076 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:37:21,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:37:21,097 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 13:37:21,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152819235] [2021-03-26 13:37:21,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:21,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:37:21,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733386017] [2021-03-26 13:37:21,097 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:37:21,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:21,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:37:21,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:37:21,100 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:37:21,100 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 335 transitions, 8647 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:21,100 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:21,100 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:37:21,100 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:22,136 INFO L129 PetriNetUnfolder]: 774/5250 cut-off events. [2021-03-26 13:37:22,136 INFO L130 PetriNetUnfolder]: For 152098/156880 co-relation queries the response was YES. [2021-03-26 13:37:22,167 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35182 conditions, 5250 events. 774/5250 cut-off events. For 152098/156880 co-relation queries the response was YES. Maximal size of possible extension queue 742. Compared 76148 event pairs, 531 based on Foata normal form. 30/5021 useless extension candidates. Maximal degree in co-relation 35094. Up to 982 conditions per place. [2021-03-26 13:37:22,180 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 150 selfloop transitions, 231 changer transitions 1/396 dead transitions. [2021-03-26 13:37:22,180 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 396 transitions, 10843 flow [2021-03-26 13:37:22,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:37:22,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:37:22,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:37:22,181 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:37:22,181 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:37:22,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:37:22,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:22,181 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:37:22,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:22,182 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:22,183 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:22,183 INFO L185 Difference]: Start difference. First operand has 199 places, 335 transitions, 8647 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:37:22,183 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 396 transitions, 10843 flow [2021-03-26 13:37:22,606 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 396 transitions, 10530 flow, removed 72 selfloop flow, removed 3 redundant places. [2021-03-26 13:37:22,612 INFO L241 Difference]: Finished difference. Result has 209 places, 361 transitions, 9708 flow [2021-03-26 13:37:22,612 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=8406, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=205, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=9708, PETRI_PLACES=209, PETRI_TRANSITIONS=361} [2021-03-26 13:37:22,613 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 165 predicate places. [2021-03-26 13:37:22,613 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:22,613 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 209 places, 361 transitions, 9708 flow [2021-03-26 13:37:22,613 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 209 places, 361 transitions, 9708 flow [2021-03-26 13:37:22,616 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 208 places, 361 transitions, 9708 flow [2021-03-26 13:37:23,055 INFO L129 PetriNetUnfolder]: 0/3613 cut-off events. [2021-03-26 13:37:23,055 INFO L130 PetriNetUnfolder]: For 78835/80450 co-relation queries the response was YES. [2021-03-26 13:37:23,055 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16725 conditions, 3613 events. 0/3613 cut-off events. For 78835/80450 co-relation queries the response was YES. Maximal size of possible extension queue 574. Compared 58392 event pairs, 0 based on Foata normal form. 7/3449 useless extension candidates. Maximal degree in co-relation 0. Up to 406 conditions per place. [2021-03-26 13:37:23,081 INFO L142 LiptonReduction]: Number of co-enabled transitions 1998 [2021-03-26 13:37:23,102 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:23,102 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:23,102 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 489 [2021-03-26 13:37:23,102 INFO L480 AbstractCegarLoop]: Abstraction has has 208 places, 361 transitions, 9708 flow [2021-03-26 13:37:23,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:23,102 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:23,103 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 13:37:23,103 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-26 13:37:23,103 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:23,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:23,103 INFO L82 PathProgramCache]: Analyzing trace with hash 2117955118, now seen corresponding path program 16 times [2021-03-26 13:37:23,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:23,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295521321] [2021-03-26 13:37:23,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:23,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:23,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:23,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:23,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:23,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:23,118 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:23,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:23,128 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:37:23,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:37:23,138 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:23,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:23,150 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:37:23,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:37:23,166 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:37:23,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:37:23,187 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:37:23,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:37:23,211 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 13:37:23,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295521321] [2021-03-26 13:37:23,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:23,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:37:23,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439209731] [2021-03-26 13:37:23,212 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:37:23,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:23,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:37:23,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:37:23,212 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:37:23,213 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 361 transitions, 9708 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:23,213 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:23,213 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:37:23,213 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:24,315 INFO L129 PetriNetUnfolder]: 763/5329 cut-off events. [2021-03-26 13:37:24,315 INFO L130 PetriNetUnfolder]: For 154412/160333 co-relation queries the response was YES. [2021-03-26 13:37:24,347 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35737 conditions, 5329 events. 763/5329 cut-off events. For 154412/160333 co-relation queries the response was YES. Maximal size of possible extension queue 756. Compared 77522 event pairs, 461 based on Foata normal form. 40/5106 useless extension candidates. Maximal degree in co-relation 35645. Up to 1144 conditions per place. [2021-03-26 13:37:24,360 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 116 selfloop transitions, 280 changer transitions 4/414 dead transitions. [2021-03-26 13:37:24,360 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 414 transitions, 11717 flow [2021-03-26 13:37:24,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:37:24,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:37:24,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:37:24,364 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:37:24,364 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:37:24,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:37:24,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:24,365 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:37:24,365 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:24,366 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:24,366 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:24,366 INFO L185 Difference]: Start difference. First operand has 208 places, 361 transitions, 9708 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:37:24,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 414 transitions, 11717 flow [2021-03-26 13:37:24,777 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 414 transitions, 11149 flow, removed 95 selfloop flow, removed 4 redundant places. [2021-03-26 13:37:24,784 INFO L241 Difference]: Finished difference. Result has 218 places, 382 transitions, 10639 flow [2021-03-26 13:37:24,784 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=9200, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=259, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=10639, PETRI_PLACES=218, PETRI_TRANSITIONS=382} [2021-03-26 13:37:24,784 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 174 predicate places. [2021-03-26 13:37:24,784 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:24,784 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 218 places, 382 transitions, 10639 flow [2021-03-26 13:37:24,784 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 218 places, 382 transitions, 10639 flow [2021-03-26 13:37:24,788 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 217 places, 382 transitions, 10639 flow [2021-03-26 13:37:25,321 INFO L129 PetriNetUnfolder]: 0/3692 cut-off events. [2021-03-26 13:37:25,321 INFO L130 PetriNetUnfolder]: For 84472/86331 co-relation queries the response was YES. [2021-03-26 13:37:25,321 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17377 conditions, 3692 events. 0/3692 cut-off events. For 84472/86331 co-relation queries the response was YES. Maximal size of possible extension queue 578. Compared 59848 event pairs, 0 based on Foata normal form. 13/3522 useless extension candidates. Maximal degree in co-relation 0. Up to 417 conditions per place. [2021-03-26 13:37:25,358 INFO L142 LiptonReduction]: Number of co-enabled transitions 2130 [2021-03-26 13:37:25,381 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:25,381 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:25,381 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 597 [2021-03-26 13:37:25,382 INFO L480 AbstractCegarLoop]: Abstraction has has 217 places, 382 transitions, 10639 flow [2021-03-26 13:37:25,382 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:25,382 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:25,382 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 13:37:25,382 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-26 13:37:25,382 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:25,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:25,382 INFO L82 PathProgramCache]: Analyzing trace with hash -2132336940, now seen corresponding path program 17 times [2021-03-26 13:37:25,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:25,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181368646] [2021-03-26 13:37:25,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:25,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:25,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:25,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:25,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:25,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:25,401 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:25,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:25,408 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:37:25,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:37:25,419 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:25,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:25,435 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:37:25,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:37:25,455 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 13:37:25,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:37:25,481 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:37:25,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:37:25,504 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 13:37:25,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181368646] [2021-03-26 13:37:25,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:25,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:37:25,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848868836] [2021-03-26 13:37:25,505 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:37:25,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:25,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:37:25,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:37:25,506 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:37:25,506 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 382 transitions, 10639 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:25,506 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:25,506 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:37:25,506 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:26,686 INFO L129 PetriNetUnfolder]: 756/5372 cut-off events. [2021-03-26 13:37:26,686 INFO L130 PetriNetUnfolder]: For 160127/166007 co-relation queries the response was YES. [2021-03-26 13:37:26,721 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36292 conditions, 5372 events. 756/5372 cut-off events. For 160127/166007 co-relation queries the response was YES. Maximal size of possible extension queue 761. Compared 78536 event pairs, 458 based on Foata normal form. 44/5148 useless extension candidates. Maximal degree in co-relation 36195. Up to 1144 conditions per place. [2021-03-26 13:37:26,734 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 117 selfloop transitions, 285 changer transitions 1/417 dead transitions. [2021-03-26 13:37:26,735 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 417 transitions, 12220 flow [2021-03-26 13:37:26,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:37:26,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:37:26,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:37:26,736 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:37:26,736 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:37:26,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:37:26,736 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:26,736 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:37:26,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:26,737 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:26,737 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:26,737 INFO L185 Difference]: Start difference. First operand has 217 places, 382 transitions, 10639 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:37:26,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 417 transitions, 12220 flow [2021-03-26 13:37:27,203 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 417 transitions, 11882 flow, removed 60 selfloop flow, removed 4 redundant places. [2021-03-26 13:37:27,210 INFO L241 Difference]: Finished difference. Result has 226 places, 397 transitions, 11453 flow [2021-03-26 13:37:27,211 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=10347, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=270, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=11453, PETRI_PLACES=226, PETRI_TRANSITIONS=397} [2021-03-26 13:37:27,211 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 182 predicate places. [2021-03-26 13:37:27,211 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:27,211 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 226 places, 397 transitions, 11453 flow [2021-03-26 13:37:27,211 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 226 places, 397 transitions, 11453 flow [2021-03-26 13:37:27,215 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 225 places, 397 transitions, 11453 flow [2021-03-26 13:37:27,732 INFO L129 PetriNetUnfolder]: 0/3748 cut-off events. [2021-03-26 13:37:27,732 INFO L130 PetriNetUnfolder]: For 93522/96008 co-relation queries the response was YES. [2021-03-26 13:37:27,733 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18149 conditions, 3748 events. 0/3748 cut-off events. For 93522/96008 co-relation queries the response was YES. Maximal size of possible extension queue 587. Compared 61063 event pairs, 0 based on Foata normal form. 21/3575 useless extension candidates. Maximal degree in co-relation 0. Up to 425 conditions per place. [2021-03-26 13:37:27,764 INFO L142 LiptonReduction]: Number of co-enabled transitions 2246 [2021-03-26 13:37:27,790 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:27,790 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:27,790 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 579 [2021-03-26 13:37:27,790 INFO L480 AbstractCegarLoop]: Abstraction has has 225 places, 397 transitions, 11453 flow [2021-03-26 13:37:27,790 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:27,790 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:27,790 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] [2021-03-26 13:37:27,790 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-26 13:37:27,790 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:27,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:27,791 INFO L82 PathProgramCache]: Analyzing trace with hash 1431536288, now seen corresponding path program 18 times [2021-03-26 13:37:27,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:27,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503438289] [2021-03-26 13:37:27,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:27,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:27,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:27,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:27,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:27,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:27,813 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:27,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:27,820 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:37:27,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:37:27,830 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:37:27,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:37:27,843 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:37:27,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:37:27,859 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:37:27,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:37:27,881 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:37:27,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:37:27,901 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 13:37:27,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503438289] [2021-03-26 13:37:27,902 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:27,902 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:37:27,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191254232] [2021-03-26 13:37:27,902 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:37:27,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:27,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:37:27,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:37:27,903 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:37:27,903 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 397 transitions, 11453 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:27,903 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:27,903 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:37:27,903 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:29,131 INFO L129 PetriNetUnfolder]: 754/5373 cut-off events. [2021-03-26 13:37:29,131 INFO L130 PetriNetUnfolder]: For 163490/169378 co-relation queries the response was YES. [2021-03-26 13:37:29,166 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36845 conditions, 5373 events. 754/5373 cut-off events. For 163490/169378 co-relation queries the response was YES. Maximal size of possible extension queue 762. Compared 78561 event pairs, 464 based on Foata normal form. 44/5149 useless extension candidates. Maximal degree in co-relation 36745. Up to 1144 conditions per place. [2021-03-26 13:37:29,180 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 98 selfloop transitions, 314 changer transitions 4/430 dead transitions. [2021-03-26 13:37:29,180 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 430 transitions, 13058 flow [2021-03-26 13:37:29,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:37:29,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:37:29,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:37:29,182 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:37:29,182 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:37:29,182 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:37:29,182 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:29,182 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:37:29,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:29,183 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:29,183 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:29,183 INFO L185 Difference]: Start difference. First operand has 225 places, 397 transitions, 11453 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:37:29,183 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 430 transitions, 13058 flow [2021-03-26 13:37:29,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 430 transitions, 12486 flow, removed 69 selfloop flow, removed 4 redundant places. [2021-03-26 13:37:29,701 INFO L241 Difference]: Finished difference. Result has 234 places, 401 transitions, 11879 flow [2021-03-26 13:37:29,701 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=10931, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=397, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=310, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=11879, PETRI_PLACES=234, PETRI_TRANSITIONS=401} [2021-03-26 13:37:29,702 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 190 predicate places. [2021-03-26 13:37:29,702 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:29,702 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 234 places, 401 transitions, 11879 flow [2021-03-26 13:37:29,702 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 234 places, 401 transitions, 11879 flow [2021-03-26 13:37:29,705 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 233 places, 401 transitions, 11879 flow [2021-03-26 13:37:30,208 INFO L129 PetriNetUnfolder]: 0/3749 cut-off events. [2021-03-26 13:37:30,208 INFO L130 PetriNetUnfolder]: For 94484/96717 co-relation queries the response was YES. [2021-03-26 13:37:30,208 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18446 conditions, 3749 events. 0/3749 cut-off events. For 94484/96717 co-relation queries the response was YES. Maximal size of possible extension queue 587. Compared 61034 event pairs, 0 based on Foata normal form. 15/3572 useless extension candidates. Maximal degree in co-relation 0. Up to 424 conditions per place. [2021-03-26 13:37:30,238 INFO L142 LiptonReduction]: Number of co-enabled transitions 2288 [2021-03-26 13:37:30,263 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:30,263 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:30,264 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 562 [2021-03-26 13:37:30,264 INFO L480 AbstractCegarLoop]: Abstraction has has 233 places, 401 transitions, 11879 flow [2021-03-26 13:37:30,264 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:30,264 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:30,264 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 13:37:30,264 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-26 13:37:30,264 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:30,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:30,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1108286522, now seen corresponding path program 19 times [2021-03-26 13:37:30,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:30,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566298949] [2021-03-26 13:37:30,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:30,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:30,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:30,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:30,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:30,279 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:30,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:30,286 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:37:30,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:37:30,295 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:30,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:30,307 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:37:30,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:37:30,324 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 13:37:30,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:37:30,348 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:37:30,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:37:30,372 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 13:37:30,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566298949] [2021-03-26 13:37:30,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:30,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:37:30,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80040475] [2021-03-26 13:37:30,372 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:37:30,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:30,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:37:30,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:37:30,373 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:37:30,373 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 401 transitions, 11879 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:30,374 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:30,374 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:37:30,374 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:31,666 INFO L129 PetriNetUnfolder]: 738/5496 cut-off events. [2021-03-26 13:37:31,666 INFO L130 PetriNetUnfolder]: For 170460/176348 co-relation queries the response was YES. [2021-03-26 13:37:31,703 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37976 conditions, 5496 events. 738/5496 cut-off events. For 170460/176348 co-relation queries the response was YES. Maximal size of possible extension queue 785. Compared 81336 event pairs, 408 based on Foata normal form. 33/5244 useless extension candidates. Maximal degree in co-relation 37872. Up to 1023 conditions per place. [2021-03-26 13:37:31,716 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 230 selfloop transitions, 238 changer transitions 2/484 dead transitions. [2021-03-26 13:37:31,716 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 484 transitions, 15002 flow [2021-03-26 13:37:31,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:37:31,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:37:31,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:37:31,717 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:37:31,717 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:37:31,718 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:37:31,718 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:31,718 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:37:31,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:31,719 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:31,719 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:31,719 INFO L185 Difference]: Start difference. First operand has 233 places, 401 transitions, 11879 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:37:31,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 484 transitions, 15002 flow [2021-03-26 13:37:32,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 484 transitions, 14382 flow, removed 78 selfloop flow, removed 7 redundant places. [2021-03-26 13:37:32,315 INFO L241 Difference]: Finished difference. Result has 239 places, 437 transitions, 13152 flow [2021-03-26 13:37:32,315 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=11370, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=202, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=13152, PETRI_PLACES=239, PETRI_TRANSITIONS=437} [2021-03-26 13:37:32,315 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 195 predicate places. [2021-03-26 13:37:32,315 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:32,315 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 239 places, 437 transitions, 13152 flow [2021-03-26 13:37:32,315 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 239 places, 437 transitions, 13152 flow [2021-03-26 13:37:32,319 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 238 places, 437 transitions, 13152 flow [2021-03-26 13:37:32,846 INFO L129 PetriNetUnfolder]: 0/3964 cut-off events. [2021-03-26 13:37:32,846 INFO L130 PetriNetUnfolder]: For 101293/103630 co-relation queries the response was YES. [2021-03-26 13:37:32,846 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19534 conditions, 3964 events. 0/3964 cut-off events. For 101293/103630 co-relation queries the response was YES. Maximal size of possible extension queue 616. Compared 65063 event pairs, 0 based on Foata normal form. 22/3784 useless extension candidates. Maximal degree in co-relation 0. Up to 449 conditions per place. [2021-03-26 13:37:32,877 INFO L142 LiptonReduction]: Number of co-enabled transitions 2462 [2021-03-26 13:37:32,906 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:32,906 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:32,906 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 591 [2021-03-26 13:37:32,906 INFO L480 AbstractCegarLoop]: Abstraction has has 238 places, 437 transitions, 13152 flow [2021-03-26 13:37:32,906 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:32,907 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:32,907 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 13:37:32,907 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-03-26 13:37:32,907 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:32,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:32,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1548443452, now seen corresponding path program 20 times [2021-03-26 13:37:32,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:32,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110459118] [2021-03-26 13:37:32,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:32,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:32,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:32,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:32,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:32,925 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:32,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:32,931 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:37:32,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:37:32,941 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:37:32,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:37:32,955 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:37:32,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:37:32,975 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:37:32,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:37:32,999 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:37:33,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:37:33,020 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 13:37:33,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110459118] [2021-03-26 13:37:33,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:33,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:37:33,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513354037] [2021-03-26 13:37:33,021 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:37:33,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:33,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:37:33,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:37:33,021 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:37:33,022 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 437 transitions, 13152 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:33,022 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:33,022 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:37:33,022 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:34,361 INFO L129 PetriNetUnfolder]: 737/5516 cut-off events. [2021-03-26 13:37:34,361 INFO L130 PetriNetUnfolder]: For 162952/168367 co-relation queries the response was YES. [2021-03-26 13:37:34,398 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37327 conditions, 5516 events. 737/5516 cut-off events. For 162952/168367 co-relation queries the response was YES. Maximal size of possible extension queue 787. Compared 81619 event pairs, 472 based on Foata normal form. 44/5275 useless extension candidates. Maximal degree in co-relation 37222. Up to 1144 conditions per place. [2021-03-26 13:37:34,411 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 86 selfloop transitions, 360 changer transitions 1/461 dead transitions. [2021-03-26 13:37:34,411 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 461 transitions, 14561 flow [2021-03-26 13:37:34,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:37:34,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:37:34,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:37:34,412 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:37:34,412 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:37:34,412 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:37:34,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:34,413 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:37:34,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:34,414 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:34,414 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:34,414 INFO L185 Difference]: Start difference. First operand has 238 places, 437 transitions, 13152 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:37:34,414 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 461 transitions, 14561 flow [2021-03-26 13:37:34,972 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 461 transitions, 14039 flow, removed 74 selfloop flow, removed 5 redundant places. [2021-03-26 13:37:34,981 INFO L241 Difference]: Finished difference. Result has 245 places, 442 transitions, 13638 flow [2021-03-26 13:37:34,981 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=12650, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=355, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=13638, PETRI_PLACES=245, PETRI_TRANSITIONS=442} [2021-03-26 13:37:34,982 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 201 predicate places. [2021-03-26 13:37:34,982 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:34,982 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 245 places, 442 transitions, 13638 flow [2021-03-26 13:37:34,982 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 245 places, 442 transitions, 13638 flow [2021-03-26 13:37:34,986 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 244 places, 442 transitions, 13638 flow [2021-03-26 13:37:35,510 INFO L129 PetriNetUnfolder]: 0/3965 cut-off events. [2021-03-26 13:37:35,510 INFO L130 PetriNetUnfolder]: For 107515/110113 co-relation queries the response was YES. [2021-03-26 13:37:35,510 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19774 conditions, 3965 events. 0/3965 cut-off events. For 107515/110113 co-relation queries the response was YES. Maximal size of possible extension queue 617. Compared 65108 event pairs, 0 based on Foata normal form. 26/3780 useless extension candidates. Maximal degree in co-relation 0. Up to 449 conditions per place. [2021-03-26 13:37:35,543 INFO L142 LiptonReduction]: Number of co-enabled transitions 2510 [2021-03-26 13:37:35,572 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:35,572 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:35,572 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 590 [2021-03-26 13:37:35,573 INFO L480 AbstractCegarLoop]: Abstraction has has 244 places, 442 transitions, 13638 flow [2021-03-26 13:37:35,573 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:35,573 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:35,573 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 13:37:35,573 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-03-26 13:37:35,573 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:35,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:35,573 INFO L82 PathProgramCache]: Analyzing trace with hash -1788476212, now seen corresponding path program 21 times [2021-03-26 13:37:35,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:35,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875129432] [2021-03-26 13:37:35,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:35,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:35,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:35,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:35,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:35,587 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:35,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:35,593 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:37:35,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:37:35,602 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:35,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:35,614 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:37:35,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:37:35,630 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:37:35,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:37:35,656 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:37:35,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:37:35,679 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 13:37:35,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875129432] [2021-03-26 13:37:35,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:35,679 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:37:35,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923836898] [2021-03-26 13:37:35,679 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:37:35,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:35,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:37:35,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:37:35,680 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:37:35,680 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 442 transitions, 13638 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:35,681 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:35,681 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:37:35,681 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:37,090 INFO L129 PetriNetUnfolder]: 727/5564 cut-off events. [2021-03-26 13:37:37,090 INFO L130 PetriNetUnfolder]: For 164332/169739 co-relation queries the response was YES. [2021-03-26 13:37:37,130 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37778 conditions, 5564 events. 727/5564 cut-off events. For 164332/169739 co-relation queries the response was YES. Maximal size of possible extension queue 794. Compared 82792 event pairs, 461 based on Foata normal form. 44/5317 useless extension candidates. Maximal degree in co-relation 37671. Up to 1144 conditions per place. [2021-03-26 13:37:37,143 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 158 selfloop transitions, 296 changer transitions 1/469 dead transitions. [2021-03-26 13:37:37,143 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 469 transitions, 15124 flow [2021-03-26 13:37:37,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:37:37,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:37:37,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:37:37,144 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:37:37,145 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:37:37,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:37:37,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:37,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:37:37,145 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:37,146 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:37,146 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:37,146 INFO L185 Difference]: Start difference. First operand has 244 places, 442 transitions, 13638 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:37:37,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 469 transitions, 15124 flow [2021-03-26 13:37:37,811 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 469 transitions, 14475 flow, removed 14 selfloop flow, removed 5 redundant places. [2021-03-26 13:37:37,820 INFO L241 Difference]: Finished difference. Result has 251 places, 446 transitions, 13767 flow [2021-03-26 13:37:37,820 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=13006, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=442, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=292, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=13767, PETRI_PLACES=251, PETRI_TRANSITIONS=446} [2021-03-26 13:37:37,820 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 207 predicate places. [2021-03-26 13:37:37,821 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:37,821 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 251 places, 446 transitions, 13767 flow [2021-03-26 13:37:37,821 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 251 places, 446 transitions, 13767 flow [2021-03-26 13:37:37,825 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 250 places, 446 transitions, 13767 flow [2021-03-26 13:37:38,367 INFO L129 PetriNetUnfolder]: 0/4038 cut-off events. [2021-03-26 13:37:38,367 INFO L130 PetriNetUnfolder]: For 106973/109221 co-relation queries the response was YES. [2021-03-26 13:37:38,367 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20400 conditions, 4038 events. 0/4038 cut-off events. For 106973/109221 co-relation queries the response was YES. Maximal size of possible extension queue 633. Compared 66511 event pairs, 0 based on Foata normal form. 22/3842 useless extension candidates. Maximal degree in co-relation 0. Up to 459 conditions per place. [2021-03-26 13:37:38,402 INFO L142 LiptonReduction]: Number of co-enabled transitions 2542 [2021-03-26 13:37:38,432 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:38,432 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:38,432 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 611 [2021-03-26 13:37:38,432 INFO L480 AbstractCegarLoop]: Abstraction has has 250 places, 446 transitions, 13767 flow [2021-03-26 13:37:38,433 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:38,433 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:38,433 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 13:37:38,433 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-03-26 13:37:38,433 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:38,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:38,433 INFO L82 PathProgramCache]: Analyzing trace with hash -95877172, now seen corresponding path program 22 times [2021-03-26 13:37:38,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:38,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035200344] [2021-03-26 13:37:38,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:38,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:38,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:38,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:38,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:38,448 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:38,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:38,454 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:37:38,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:37:38,464 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:38,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:38,477 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:37:38,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:37:38,496 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:37:38,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:37:38,516 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:37:38,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:37:38,541 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 13:37:38,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035200344] [2021-03-26 13:37:38,542 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:38,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:37:38,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967529235] [2021-03-26 13:37:38,542 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:37:38,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:38,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:37:38,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:37:38,543 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:37:38,543 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 446 transitions, 13767 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:38,543 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:38,543 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:37:38,543 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:40,071 INFO L129 PetriNetUnfolder]: 715/5616 cut-off events. [2021-03-26 13:37:40,071 INFO L130 PetriNetUnfolder]: For 167395/172802 co-relation queries the response was YES. [2021-03-26 13:37:40,101 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38166 conditions, 5616 events. 715/5616 cut-off events. For 167395/172802 co-relation queries the response was YES. Maximal size of possible extension queue 802. Compared 84073 event pairs, 452 based on Foata normal form. 44/5361 useless extension candidates. Maximal degree in co-relation 38056. Up to 1144 conditions per place. [2021-03-26 13:37:40,112 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 171 selfloop transitions, 305 changer transitions 2/492 dead transitions. [2021-03-26 13:37:40,113 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 492 transitions, 15913 flow [2021-03-26 13:37:40,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:37:40,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:37:40,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:37:40,114 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:37:40,114 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:37:40,114 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:37:40,114 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:40,114 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:37:40,115 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:40,115 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:40,115 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:40,115 INFO L185 Difference]: Start difference. First operand has 250 places, 446 transitions, 13767 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:37:40,115 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 492 transitions, 15913 flow [2021-03-26 13:37:40,655 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 492 transitions, 15301 flow, removed 21 selfloop flow, removed 5 redundant places. [2021-03-26 13:37:40,664 INFO L241 Difference]: Finished difference. Result has 258 places, 468 transitions, 14643 flow [2021-03-26 13:37:40,664 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=13178, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=283, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=14643, PETRI_PLACES=258, PETRI_TRANSITIONS=468} [2021-03-26 13:37:40,664 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 214 predicate places. [2021-03-26 13:37:40,665 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:40,665 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 258 places, 468 transitions, 14643 flow [2021-03-26 13:37:40,665 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 258 places, 468 transitions, 14643 flow [2021-03-26 13:37:40,669 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 257 places, 468 transitions, 14643 flow [2021-03-26 13:37:41,223 INFO L129 PetriNetUnfolder]: 0/4130 cut-off events. [2021-03-26 13:37:41,223 INFO L130 PetriNetUnfolder]: For 119156/121733 co-relation queries the response was YES. [2021-03-26 13:37:41,224 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21245 conditions, 4130 events. 0/4130 cut-off events. For 119156/121733 co-relation queries the response was YES. Maximal size of possible extension queue 653. Compared 68398 event pairs, 0 based on Foata normal form. 28/3944 useless extension candidates. Maximal degree in co-relation 0. Up to 471 conditions per place. [2021-03-26 13:37:41,258 INFO L142 LiptonReduction]: Number of co-enabled transitions 2706 [2021-03-26 13:37:41,290 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:41,290 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:41,290 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 625 [2021-03-26 13:37:41,291 INFO L480 AbstractCegarLoop]: Abstraction has has 257 places, 468 transitions, 14643 flow [2021-03-26 13:37:41,291 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:41,291 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:41,291 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 13:37:41,291 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-03-26 13:37:41,291 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:41,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:41,291 INFO L82 PathProgramCache]: Analyzing trace with hash -2031332696, now seen corresponding path program 23 times [2021-03-26 13:37:41,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:41,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193004323] [2021-03-26 13:37:41,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:41,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:41,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:41,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:41,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:41,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:41,315 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:41,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:41,322 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:37:41,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:37:41,331 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:41,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:41,343 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:37:41,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:37:41,363 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:37:41,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:37:41,385 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:37:41,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:37:41,406 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 13:37:41,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193004323] [2021-03-26 13:37:41,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:41,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:37:41,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862515936] [2021-03-26 13:37:41,406 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:37:41,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:41,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:37:41,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:37:41,407 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:37:41,407 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 468 transitions, 14643 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:41,407 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:41,407 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:37:41,407 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:43,015 INFO L129 PetriNetUnfolder]: 713/5617 cut-off events. [2021-03-26 13:37:43,015 INFO L130 PetriNetUnfolder]: For 171898/177434 co-relation queries the response was YES. [2021-03-26 13:37:43,057 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38535 conditions, 5617 events. 713/5617 cut-off events. For 171898/177434 co-relation queries the response was YES. Maximal size of possible extension queue 803. Compared 84073 event pairs, 461 based on Foata normal form. 48/5370 useless extension candidates. Maximal degree in co-relation 38421. Up to 1144 conditions per place. [2021-03-26 13:37:43,072 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 166 selfloop transitions, 310 changer transitions 1/491 dead transitions. [2021-03-26 13:37:43,072 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 491 transitions, 16111 flow [2021-03-26 13:37:43,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:37:43,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:37:43,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:37:43,073 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:37:43,073 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:37:43,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:37:43,073 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:43,073 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:37:43,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:43,074 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:43,075 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:43,075 INFO L185 Difference]: Start difference. First operand has 257 places, 468 transitions, 14643 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:37:43,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 491 transitions, 16111 flow [2021-03-26 13:37:43,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 491 transitions, 15489 flow, removed 85 selfloop flow, removed 4 redundant places. [2021-03-26 13:37:43,729 INFO L241 Difference]: Finished difference. Result has 265 places, 473 transitions, 14903 flow [2021-03-26 13:37:43,729 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=14067, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=468, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=305, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=14903, PETRI_PLACES=265, PETRI_TRANSITIONS=473} [2021-03-26 13:37:43,729 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 221 predicate places. [2021-03-26 13:37:43,729 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:43,729 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 265 places, 473 transitions, 14903 flow [2021-03-26 13:37:43,730 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 265 places, 473 transitions, 14903 flow [2021-03-26 13:37:43,734 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 264 places, 473 transitions, 14903 flow [2021-03-26 13:37:44,299 INFO L129 PetriNetUnfolder]: 0/4137 cut-off events. [2021-03-26 13:37:44,299 INFO L130 PetriNetUnfolder]: For 117505/120023 co-relation queries the response was YES. [2021-03-26 13:37:44,299 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21391 conditions, 4137 events. 0/4137 cut-off events. For 117505/120023 co-relation queries the response was YES. Maximal size of possible extension queue 655. Compared 68580 event pairs, 0 based on Foata normal form. 26/3944 useless extension candidates. Maximal degree in co-relation 0. Up to 472 conditions per place. [2021-03-26 13:37:44,334 INFO L142 LiptonReduction]: Number of co-enabled transitions 2762 [2021-03-26 13:37:44,366 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:44,367 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:44,367 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 638 [2021-03-26 13:37:44,367 INFO L480 AbstractCegarLoop]: Abstraction has has 264 places, 473 transitions, 14903 flow [2021-03-26 13:37:44,367 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:44,367 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:44,367 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 13:37:44,367 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-03-26 13:37:44,367 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:44,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:44,368 INFO L82 PathProgramCache]: Analyzing trace with hash -521849848, now seen corresponding path program 24 times [2021-03-26 13:37:44,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:44,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109353067] [2021-03-26 13:37:44,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:44,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:44,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:44,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:44,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:44,381 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:44,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:44,388 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:37:44,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:37:44,398 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:37:44,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:37:44,411 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:37:44,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:37:44,429 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:37:44,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:37:44,451 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:37:44,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:37:44,473 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 13:37:44,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109353067] [2021-03-26 13:37:44,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:44,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:37:44,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050653008] [2021-03-26 13:37:44,474 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:37:44,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:44,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:37:44,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:37:44,474 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:37:44,475 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 473 transitions, 14903 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:44,475 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:44,475 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:37:44,475 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:46,026 INFO L129 PetriNetUnfolder]: 712/5616 cut-off events. [2021-03-26 13:37:46,026 INFO L130 PetriNetUnfolder]: For 171300/176836 co-relation queries the response was YES. [2021-03-26 13:37:46,064 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38596 conditions, 5616 events. 712/5616 cut-off events. For 171300/176836 co-relation queries the response was YES. Maximal size of possible extension queue 803. Compared 84041 event pairs, 460 based on Foata normal form. 48/5368 useless extension candidates. Maximal degree in co-relation 38479. Up to 1144 conditions per place. [2021-03-26 13:37:46,076 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 108 selfloop transitions, 367 changer transitions 2/491 dead transitions. [2021-03-26 13:37:46,076 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 491 transitions, 16191 flow [2021-03-26 13:37:46,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:37:46,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:37:46,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:37:46,077 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:37:46,077 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:37:46,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:37:46,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:46,077 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:37:46,078 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:46,078 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:46,078 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:46,078 INFO L185 Difference]: Start difference. First operand has 264 places, 473 transitions, 14903 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:37:46,078 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 491 transitions, 16191 flow [2021-03-26 13:37:46,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 491 transitions, 15558 flow, removed 26 selfloop flow, removed 5 redundant places. [2021-03-26 13:37:46,731 INFO L241 Difference]: Finished difference. Result has 270 places, 475 transitions, 15096 flow [2021-03-26 13:37:46,732 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=14285, PETRI_DIFFERENCE_MINUEND_PLACES=259, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=473, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=365, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15096, PETRI_PLACES=270, PETRI_TRANSITIONS=475} [2021-03-26 13:37:46,732 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 226 predicate places. [2021-03-26 13:37:46,732 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:46,732 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 270 places, 475 transitions, 15096 flow [2021-03-26 13:37:46,732 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 270 places, 475 transitions, 15096 flow [2021-03-26 13:37:46,736 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 269 places, 475 transitions, 15096 flow [2021-03-26 13:37:47,330 INFO L129 PetriNetUnfolder]: 0/4138 cut-off events. [2021-03-26 13:37:47,330 INFO L130 PetriNetUnfolder]: For 114574/116839 co-relation queries the response was YES. [2021-03-26 13:37:47,331 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21501 conditions, 4138 events. 0/4138 cut-off events. For 114574/116839 co-relation queries the response was YES. Maximal size of possible extension queue 657. Compared 68603 event pairs, 0 based on Foata normal form. 22/3947 useless extension candidates. Maximal degree in co-relation 0. Up to 472 conditions per place. [2021-03-26 13:37:47,367 INFO L142 LiptonReduction]: Number of co-enabled transitions 2780 [2021-03-26 13:37:47,400 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:47,400 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:47,401 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 669 [2021-03-26 13:37:47,401 INFO L480 AbstractCegarLoop]: Abstraction has has 269 places, 475 transitions, 15096 flow [2021-03-26 13:37:47,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:47,401 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:47,401 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 13:37:47,401 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-03-26 13:37:47,401 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:47,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:47,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1581125982, now seen corresponding path program 25 times [2021-03-26 13:37:47,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:47,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093146991] [2021-03-26 13:37:47,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:47,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:47,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:47,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:47,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:47,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:47,416 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:47,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:47,423 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:37:47,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:37:47,432 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:37:47,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:37:47,446 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:37:47,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:37:47,465 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 13:37:47,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:37:47,492 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:37:47,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:37:47,518 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 13:37:47,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093146991] [2021-03-26 13:37:47,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:47,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:37:47,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884913300] [2021-03-26 13:37:47,519 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:37:47,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:47,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:37:47,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:37:47,519 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:37:47,520 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 475 transitions, 15096 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:47,520 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:47,520 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:37:47,520 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:49,107 INFO L129 PetriNetUnfolder]: 712/5610 cut-off events. [2021-03-26 13:37:49,107 INFO L130 PetriNetUnfolder]: For 170989/176525 co-relation queries the response was YES. [2021-03-26 13:37:49,146 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38651 conditions, 5610 events. 712/5610 cut-off events. For 170989/176525 co-relation queries the response was YES. Maximal size of possible extension queue 802. Compared 83907 event pairs, 460 based on Foata normal form. 48/5363 useless extension candidates. Maximal degree in co-relation 38532. Up to 1144 conditions per place. [2021-03-26 13:37:49,158 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 99 selfloop transitions, 375 changer transitions 3/491 dead transitions. [2021-03-26 13:37:49,158 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 491 transitions, 16333 flow [2021-03-26 13:37:49,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:37:49,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:37:49,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:37:49,159 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:37:49,160 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:37:49,160 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:37:49,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:49,160 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:37:49,160 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:49,161 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:49,161 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:49,161 INFO L185 Difference]: Start difference. First operand has 269 places, 475 transitions, 15096 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:37:49,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 491 transitions, 16333 flow [2021-03-26 13:37:49,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 491 transitions, 15597 flow, removed 7 selfloop flow, removed 7 redundant places. [2021-03-26 13:37:49,819 INFO L241 Difference]: Finished difference. Result has 273 places, 475 transitions, 15142 flow [2021-03-26 13:37:49,819 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=14371, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=475, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=374, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15142, PETRI_PLACES=273, PETRI_TRANSITIONS=475} [2021-03-26 13:37:49,819 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 229 predicate places. [2021-03-26 13:37:49,819 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:49,820 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 273 places, 475 transitions, 15142 flow [2021-03-26 13:37:49,820 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 273 places, 475 transitions, 15142 flow [2021-03-26 13:37:49,824 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 272 places, 475 transitions, 15142 flow [2021-03-26 13:37:50,400 INFO L129 PetriNetUnfolder]: 0/4130 cut-off events. [2021-03-26 13:37:50,400 INFO L130 PetriNetUnfolder]: For 117425/119947 co-relation queries the response was YES. [2021-03-26 13:37:50,400 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21469 conditions, 4130 events. 0/4130 cut-off events. For 117425/119947 co-relation queries the response was YES. Maximal size of possible extension queue 658. Compared 68344 event pairs, 0 based on Foata normal form. 26/3945 useless extension candidates. Maximal degree in co-relation 0. Up to 471 conditions per place. [2021-03-26 13:37:50,435 INFO L142 LiptonReduction]: Number of co-enabled transitions 2778 [2021-03-26 13:37:50,469 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:50,469 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:50,469 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 650 [2021-03-26 13:37:50,469 INFO L480 AbstractCegarLoop]: Abstraction has has 272 places, 475 transitions, 15142 flow [2021-03-26 13:37:50,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:50,470 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:50,470 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 13:37:50,470 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-03-26 13:37:50,470 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:50,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:50,470 INFO L82 PathProgramCache]: Analyzing trace with hash -819022606, now seen corresponding path program 26 times [2021-03-26 13:37:50,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:50,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289209809] [2021-03-26 13:37:50,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:50,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:50,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:50,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:50,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:50,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:50,485 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:50,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:50,491 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:37:50,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:37:50,500 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:50,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:50,512 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:37:50,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:37:50,528 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:37:50,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:37:50,550 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:37:50,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:37:50,571 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 13:37:50,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289209809] [2021-03-26 13:37:50,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:50,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:37:50,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315876949] [2021-03-26 13:37:50,572 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:37:50,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:50,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:37:50,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:37:50,572 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:37:50,573 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 475 transitions, 15142 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:50,573 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:50,573 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:37:50,573 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:52,141 INFO L129 PetriNetUnfolder]: 712/5602 cut-off events. [2021-03-26 13:37:52,142 INFO L130 PetriNetUnfolder]: For 171157/176693 co-relation queries the response was YES. [2021-03-26 13:37:52,180 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38616 conditions, 5602 events. 712/5602 cut-off events. For 171157/176693 co-relation queries the response was YES. Maximal size of possible extension queue 801. Compared 83778 event pairs, 460 based on Foata normal form. 48/5356 useless extension candidates. Maximal degree in co-relation 38496. Up to 1144 conditions per place. [2021-03-26 13:37:52,192 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 153 selfloop transitions, 319 changer transitions 1/487 dead transitions. [2021-03-26 13:37:52,192 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 487 transitions, 16244 flow [2021-03-26 13:37:52,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:37:52,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:37:52,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:37:52,201 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:37:52,201 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:37:52,201 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:37:52,201 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:52,201 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:37:52,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:52,202 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:52,202 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:52,202 INFO L185 Difference]: Start difference. First operand has 272 places, 475 transitions, 15142 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:37:52,202 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 487 transitions, 16244 flow [2021-03-26 13:37:52,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 487 transitions, 15489 flow, removed 12 selfloop flow, removed 8 redundant places. [2021-03-26 13:37:52,834 INFO L241 Difference]: Finished difference. Result has 273 places, 474 transitions, 15006 flow [2021-03-26 13:37:52,835 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=14399, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=475, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=319, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15006, PETRI_PLACES=273, PETRI_TRANSITIONS=474} [2021-03-26 13:37:52,835 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 229 predicate places. [2021-03-26 13:37:52,835 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:52,835 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 273 places, 474 transitions, 15006 flow [2021-03-26 13:37:52,835 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 273 places, 474 transitions, 15006 flow [2021-03-26 13:37:52,839 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 272 places, 474 transitions, 15006 flow [2021-03-26 13:37:53,414 INFO L129 PetriNetUnfolder]: 0/4126 cut-off events. [2021-03-26 13:37:53,415 INFO L130 PetriNetUnfolder]: For 114060/116339 co-relation queries the response was YES. [2021-03-26 13:37:53,415 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21394 conditions, 4126 events. 0/4126 cut-off events. For 114060/116339 co-relation queries the response was YES. Maximal size of possible extension queue 657. Compared 68356 event pairs, 0 based on Foata normal form. 22/3934 useless extension candidates. Maximal degree in co-relation 0. Up to 470 conditions per place. [2021-03-26 13:37:53,449 INFO L142 LiptonReduction]: Number of co-enabled transitions 2768 [2021-03-26 13:37:53,483 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:53,483 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:53,483 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 648 [2021-03-26 13:37:53,483 INFO L480 AbstractCegarLoop]: Abstraction has has 272 places, 474 transitions, 15006 flow [2021-03-26 13:37:53,483 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:53,483 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:53,483 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 13:37:53,483 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-03-26 13:37:53,483 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:53,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:53,484 INFO L82 PathProgramCache]: Analyzing trace with hash -596829574, now seen corresponding path program 27 times [2021-03-26 13:37:53,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:53,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51390265] [2021-03-26 13:37:53,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:53,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:53,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:53,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:53,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:53,499 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:53,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:53,505 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:37:53,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:37:53,516 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:53,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:53,528 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 13:37:53,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 13:37:53,555 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:37:53,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:37:53,579 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:37:53,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:37:53,603 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 13:37:53,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51390265] [2021-03-26 13:37:53,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:53,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:37:53,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529439857] [2021-03-26 13:37:53,603 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:37:53,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:53,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:37:53,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:37:53,604 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:37:53,604 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 474 transitions, 15006 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:53,604 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:53,604 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:37:53,604 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:55,180 INFO L129 PetriNetUnfolder]: 712/5598 cut-off events. [2021-03-26 13:37:55,180 INFO L130 PetriNetUnfolder]: For 169929/175465 co-relation queries the response was YES. [2021-03-26 13:37:55,218 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38520 conditions, 5598 events. 712/5598 cut-off events. For 169929/175465 co-relation queries the response was YES. Maximal size of possible extension queue 800. Compared 83718 event pairs, 460 based on Foata normal form. 48/5353 useless extension candidates. Maximal degree in co-relation 38402. Up to 1144 conditions per place. [2021-03-26 13:37:55,230 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 162 selfloop transitions, 314 changer transitions 1/491 dead transitions. [2021-03-26 13:37:55,230 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 491 transitions, 16266 flow [2021-03-26 13:37:55,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:37:55,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:37:55,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:37:55,232 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:37:55,232 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:37:55,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:37:55,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:55,232 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:37:55,232 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:55,233 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:55,233 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:55,233 INFO L185 Difference]: Start difference. First operand has 272 places, 474 transitions, 15006 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:37:55,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 491 transitions, 16266 flow [2021-03-26 13:37:55,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 491 transitions, 15599 flow, removed 12 selfloop flow, removed 7 redundant places. [2021-03-26 13:37:55,862 INFO L241 Difference]: Finished difference. Result has 277 places, 477 transitions, 15137 flow [2021-03-26 13:37:55,863 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=14356, PETRI_DIFFERENCE_MINUEND_PLACES=265, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=474, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=311, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15137, PETRI_PLACES=277, PETRI_TRANSITIONS=477} [2021-03-26 13:37:55,863 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 233 predicate places. [2021-03-26 13:37:55,863 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:55,863 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 277 places, 477 transitions, 15137 flow [2021-03-26 13:37:55,863 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 277 places, 477 transitions, 15137 flow [2021-03-26 13:37:55,868 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 276 places, 477 transitions, 15137 flow [2021-03-26 13:37:56,446 INFO L129 PetriNetUnfolder]: 0/4120 cut-off events. [2021-03-26 13:37:56,446 INFO L130 PetriNetUnfolder]: For 117580/120105 co-relation queries the response was YES. [2021-03-26 13:37:56,446 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21385 conditions, 4120 events. 0/4120 cut-off events. For 117580/120105 co-relation queries the response was YES. Maximal size of possible extension queue 652. Compared 68186 event pairs, 0 based on Foata normal form. 28/3937 useless extension candidates. Maximal degree in co-relation 0. Up to 469 conditions per place. [2021-03-26 13:37:56,483 INFO L142 LiptonReduction]: Number of co-enabled transitions 2804 [2021-03-26 13:37:56,517 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:56,517 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:56,517 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 654 [2021-03-26 13:37:56,517 INFO L480 AbstractCegarLoop]: Abstraction has has 276 places, 477 transitions, 15137 flow [2021-03-26 13:37:56,517 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:56,517 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:56,517 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 13:37:56,517 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-03-26 13:37:56,517 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:56,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:56,518 INFO L82 PathProgramCache]: Analyzing trace with hash -249139980, now seen corresponding path program 28 times [2021-03-26 13:37:56,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:56,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537531362] [2021-03-26 13:37:56,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:56,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:56,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:56,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:56,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:56,534 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:56,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:56,540 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:37:56,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:37:56,564 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:37:56,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:37:56,578 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:37:56,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:37:56,595 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:37:56,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:37:56,618 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:37:56,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:37:56,639 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 13:37:56,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537531362] [2021-03-26 13:37:56,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:56,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:37:56,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445915808] [2021-03-26 13:37:56,640 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:37:56,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:56,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:37:56,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:37:56,640 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:37:56,641 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 477 transitions, 15137 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:56,641 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:56,641 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:37:56,641 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:58,216 INFO L129 PetriNetUnfolder]: 712/5592 cut-off events. [2021-03-26 13:37:58,216 INFO L130 PetriNetUnfolder]: For 170355/175891 co-relation queries the response was YES. [2021-03-26 13:37:58,255 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38503 conditions, 5592 events. 712/5592 cut-off events. For 170355/175891 co-relation queries the response was YES. Maximal size of possible extension queue 799. Compared 83527 event pairs, 460 based on Foata normal form. 48/5347 useless extension candidates. Maximal degree in co-relation 38383. Up to 1144 conditions per place. [2021-03-26 13:37:58,270 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 114 selfloop transitions, 367 changer transitions 2/497 dead transitions. [2021-03-26 13:37:58,270 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 497 transitions, 16550 flow [2021-03-26 13:37:58,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:37:58,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:37:58,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:37:58,271 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:37:58,271 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:37:58,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:37:58,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:58,272 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:37:58,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:58,273 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:58,273 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:58,273 INFO L185 Difference]: Start difference. First operand has 276 places, 477 transitions, 15137 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:37:58,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 497 transitions, 16550 flow [2021-03-26 13:37:58,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 497 transitions, 15949 flow, removed 9 selfloop flow, removed 5 redundant places. [2021-03-26 13:37:58,914 INFO L241 Difference]: Finished difference. Result has 282 places, 480 transitions, 15486 flow [2021-03-26 13:37:58,914 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=14552, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=477, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=363, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15486, PETRI_PLACES=282, PETRI_TRANSITIONS=480} [2021-03-26 13:37:58,914 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 238 predicate places. [2021-03-26 13:37:58,914 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:58,914 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 282 places, 480 transitions, 15486 flow [2021-03-26 13:37:58,914 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 282 places, 480 transitions, 15486 flow [2021-03-26 13:37:58,919 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 281 places, 480 transitions, 15486 flow [2021-03-26 13:37:59,513 INFO L129 PetriNetUnfolder]: 0/4114 cut-off events. [2021-03-26 13:37:59,513 INFO L130 PetriNetUnfolder]: For 119840/122396 co-relation queries the response was YES. [2021-03-26 13:37:59,513 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21530 conditions, 4114 events. 0/4114 cut-off events. For 119840/122396 co-relation queries the response was YES. Maximal size of possible extension queue 656. Compared 68103 event pairs, 0 based on Foata normal form. 26/3928 useless extension candidates. Maximal degree in co-relation 0. Up to 468 conditions per place. [2021-03-26 13:37:59,549 INFO L142 LiptonReduction]: Number of co-enabled transitions 2844 [2021-03-26 13:37:59,584 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:59,584 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:59,584 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 670 [2021-03-26 13:37:59,585 INFO L480 AbstractCegarLoop]: Abstraction has has 281 places, 480 transitions, 15486 flow [2021-03-26 13:37:59,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:59,585 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:59,585 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 13:37:59,585 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-03-26 13:37:59,585 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:37:59,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:59,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1046625360, now seen corresponding path program 29 times [2021-03-26 13:37:59,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:59,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888358873] [2021-03-26 13:37:59,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:59,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:59,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:59,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:59,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:59,603 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:59,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:59,609 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:37:59,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:37:59,618 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:59,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:59,630 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:37:59,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:37:59,651 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:37:59,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:37:59,673 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:37:59,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:37:59,694 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 13:37:59,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888358873] [2021-03-26 13:37:59,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:59,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:37:59,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89594879] [2021-03-26 13:37:59,697 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:37:59,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:59,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:37:59,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:37:59,698 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:37:59,698 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 480 transitions, 15486 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:37:59,698 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:59,698 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:37:59,698 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:01,270 INFO L129 PetriNetUnfolder]: 712/5586 cut-off events. [2021-03-26 13:38:01,270 INFO L130 PetriNetUnfolder]: For 171984/177520 co-relation queries the response was YES. [2021-03-26 13:38:01,309 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38651 conditions, 5586 events. 712/5586 cut-off events. For 171984/177520 co-relation queries the response was YES. Maximal size of possible extension queue 798. Compared 83497 event pairs, 460 based on Foata normal form. 48/5342 useless extension candidates. Maximal degree in co-relation 38529. Up to 1144 conditions per place. [2021-03-26 13:38:01,321 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 168 selfloop transitions, 312 changer transitions 2/496 dead transitions. [2021-03-26 13:38:01,321 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 496 transitions, 16728 flow [2021-03-26 13:38:01,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:38:01,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:38:01,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:38:01,322 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:38:01,322 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:38:01,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:38:01,322 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:01,322 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:38:01,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:01,323 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:01,323 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:01,324 INFO L185 Difference]: Start difference. First operand has 281 places, 480 transitions, 15486 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:38:01,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 496 transitions, 16728 flow [2021-03-26 13:38:01,970 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 496 transitions, 16064 flow, removed 11 selfloop flow, removed 6 redundant places. [2021-03-26 13:38:01,979 INFO L241 Difference]: Finished difference. Result has 285 places, 483 transitions, 15566 flow [2021-03-26 13:38:01,980 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=14837, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=480, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=308, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15566, PETRI_PLACES=285, PETRI_TRANSITIONS=483} [2021-03-26 13:38:01,980 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 241 predicate places. [2021-03-26 13:38:01,980 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:01,980 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 285 places, 483 transitions, 15566 flow [2021-03-26 13:38:01,980 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 285 places, 483 transitions, 15566 flow [2021-03-26 13:38:01,984 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 284 places, 483 transitions, 15566 flow [2021-03-26 13:38:02,573 INFO L129 PetriNetUnfolder]: 0/4107 cut-off events. [2021-03-26 13:38:02,574 INFO L130 PetriNetUnfolder]: For 113727/115954 co-relation queries the response was YES. [2021-03-26 13:38:02,574 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21577 conditions, 4107 events. 0/4107 cut-off events. For 113727/115954 co-relation queries the response was YES. Maximal size of possible extension queue 646. Compared 67934 event pairs, 0 based on Foata normal form. 20/3917 useless extension candidates. Maximal degree in co-relation 0. Up to 467 conditions per place. [2021-03-26 13:38:02,609 INFO L142 LiptonReduction]: Number of co-enabled transitions 2858 [2021-03-26 13:38:02,643 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:02,643 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:02,643 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 663 [2021-03-26 13:38:02,643 INFO L480 AbstractCegarLoop]: Abstraction has has 284 places, 483 transitions, 15566 flow [2021-03-26 13:38:02,644 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:02,644 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:02,644 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 13:38:02,644 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-03-26 13:38:02,644 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:38:02,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:02,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1985761560, now seen corresponding path program 30 times [2021-03-26 13:38:02,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:02,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947233297] [2021-03-26 13:38:02,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:02,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:02,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:02,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:02,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:02,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:02,660 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:38:02,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:38:02,666 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:38:02,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:38:02,674 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:38:02,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:38:02,692 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:38:02,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:38:02,714 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 13:38:02,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:38:02,737 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:38:02,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:38:02,758 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 13:38:02,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947233297] [2021-03-26 13:38:02,758 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:02,758 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:38:02,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893790200] [2021-03-26 13:38:02,758 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:38:02,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:02,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:38:02,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:38:02,759 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:38:02,759 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 483 transitions, 15566 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:02,759 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:02,759 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:38:02,759 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:04,294 INFO L129 PetriNetUnfolder]: 712/5529 cut-off events. [2021-03-26 13:38:04,294 INFO L130 PetriNetUnfolder]: For 173743/177856 co-relation queries the response was YES. [2021-03-26 13:38:04,332 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38645 conditions, 5529 events. 712/5529 cut-off events. For 173743/177856 co-relation queries the response was YES. Maximal size of possible extension queue 788. Compared 82471 event pairs, 544 based on Foata normal form. 48/5283 useless extension candidates. Maximal degree in co-relation 38523. Up to 1144 conditions per place. [2021-03-26 13:38:04,344 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 112 selfloop transitions, 370 changer transitions 2/498 dead transitions. [2021-03-26 13:38:04,344 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 498 transitions, 16815 flow [2021-03-26 13:38:04,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:38:04,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:38:04,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:38:04,345 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:38:04,345 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:38:04,345 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:38:04,345 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:04,345 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:38:04,346 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:04,346 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:04,346 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:04,346 INFO L185 Difference]: Start difference. First operand has 284 places, 483 transitions, 15566 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:38:04,346 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 498 transitions, 16815 flow [2021-03-26 13:38:04,985 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 498 transitions, 16178 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-03-26 13:38:04,995 INFO L241 Difference]: Finished difference. Result has 288 places, 485 transitions, 15788 flow [2021-03-26 13:38:04,995 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=14947, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=483, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=367, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15788, PETRI_PLACES=288, PETRI_TRANSITIONS=485} [2021-03-26 13:38:04,995 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 244 predicate places. [2021-03-26 13:38:04,995 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:04,996 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 288 places, 485 transitions, 15788 flow [2021-03-26 13:38:04,996 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 288 places, 485 transitions, 15788 flow [2021-03-26 13:38:05,000 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 287 places, 485 transitions, 15788 flow [2021-03-26 13:38:05,588 INFO L129 PetriNetUnfolder]: 0/4101 cut-off events. [2021-03-26 13:38:05,588 INFO L130 PetriNetUnfolder]: For 116119/118355 co-relation queries the response was YES. [2021-03-26 13:38:05,588 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21603 conditions, 4101 events. 0/4101 cut-off events. For 116119/118355 co-relation queries the response was YES. Maximal size of possible extension queue 646. Compared 67821 event pairs, 0 based on Foata normal form. 22/3914 useless extension candidates. Maximal degree in co-relation 0. Up to 466 conditions per place. [2021-03-26 13:38:05,624 INFO L142 LiptonReduction]: Number of co-enabled transitions 2870 [2021-03-26 13:38:05,658 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:05,659 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:05,659 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 664 [2021-03-26 13:38:05,659 INFO L480 AbstractCegarLoop]: Abstraction has has 287 places, 485 transitions, 15788 flow [2021-03-26 13:38:05,659 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:05,659 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:05,659 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 13:38:05,659 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-03-26 13:38:05,659 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:38:05,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:05,660 INFO L82 PathProgramCache]: Analyzing trace with hash 253707000, now seen corresponding path program 31 times [2021-03-26 13:38:05,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:05,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392926976] [2021-03-26 13:38:05,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:05,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:05,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:05,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:05,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:05,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:05,674 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:38:05,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:38:05,680 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:38:05,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:38:05,696 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:38:05,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:38:05,709 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 13:38:05,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 13:38:05,738 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 13:38:05,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:38:05,759 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:38:05,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:38:05,778 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 13:38:05,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392926976] [2021-03-26 13:38:05,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:05,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:38:05,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812841710] [2021-03-26 13:38:05,779 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:38:05,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:05,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:38:05,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:38:05,779 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:38:05,780 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 485 transitions, 15788 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:05,780 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:05,780 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:38:05,780 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:07,387 INFO L129 PetriNetUnfolder]: 712/5573 cut-off events. [2021-03-26 13:38:07,387 INFO L130 PetriNetUnfolder]: For 171909/177445 co-relation queries the response was YES. [2021-03-26 13:38:07,428 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38718 conditions, 5573 events. 712/5573 cut-off events. For 171909/177445 co-relation queries the response was YES. Maximal size of possible extension queue 795. Compared 83198 event pairs, 460 based on Foata normal form. 48/5330 useless extension candidates. Maximal degree in co-relation 38595. Up to 1144 conditions per place. [2021-03-26 13:38:07,440 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 168 selfloop transitions, 314 changer transitions 2/498 dead transitions. [2021-03-26 13:38:07,440 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 498 transitions, 16938 flow [2021-03-26 13:38:07,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:38:07,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:38:07,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:38:07,441 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:38:07,441 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:38:07,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:38:07,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:07,442 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:38:07,442 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:07,443 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:07,443 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:07,443 INFO L185 Difference]: Start difference. First operand has 287 places, 485 transitions, 15788 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:38:07,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 498 transitions, 16938 flow [2021-03-26 13:38:08,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 498 transitions, 16191 flow, removed 9 selfloop flow, removed 6 redundant places. [2021-03-26 13:38:08,102 INFO L241 Difference]: Finished difference. Result has 291 places, 485 transitions, 15689 flow [2021-03-26 13:38:08,102 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=15055, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=485, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=313, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15689, PETRI_PLACES=291, PETRI_TRANSITIONS=485} [2021-03-26 13:38:08,102 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 247 predicate places. [2021-03-26 13:38:08,102 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:08,102 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 291 places, 485 transitions, 15689 flow [2021-03-26 13:38:08,103 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 291 places, 485 transitions, 15689 flow [2021-03-26 13:38:08,107 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 290 places, 485 transitions, 15689 flow [2021-03-26 13:38:08,700 INFO L129 PetriNetUnfolder]: 0/4094 cut-off events. [2021-03-26 13:38:08,700 INFO L130 PetriNetUnfolder]: For 119732/122290 co-relation queries the response was YES. [2021-03-26 13:38:08,700 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21532 conditions, 4094 events. 0/4094 cut-off events. For 119732/122290 co-relation queries the response was YES. Maximal size of possible extension queue 650. Compared 67712 event pairs, 0 based on Foata normal form. 28/3913 useless extension candidates. Maximal degree in co-relation 0. Up to 465 conditions per place. [2021-03-26 13:38:08,734 INFO L142 LiptonReduction]: Number of co-enabled transitions 2864 [2021-03-26 13:38:08,769 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:08,769 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:08,769 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 667 [2021-03-26 13:38:08,769 INFO L480 AbstractCegarLoop]: Abstraction has has 290 places, 485 transitions, 15689 flow [2021-03-26 13:38:08,769 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:08,769 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:08,769 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 13:38:08,770 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-03-26 13:38:08,770 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:38:08,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:08,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1271223456, now seen corresponding path program 32 times [2021-03-26 13:38:08,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:08,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925921031] [2021-03-26 13:38:08,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:08,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:08,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:08,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:08,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:08,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:08,785 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:38:08,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:38:08,791 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:38:08,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:38:08,800 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:38:08,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:38:08,812 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:38:08,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:38:08,827 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:38:08,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:38:08,856 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:38:08,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:38:08,879 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 13:38:08,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925921031] [2021-03-26 13:38:08,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:08,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:38:08,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047440066] [2021-03-26 13:38:08,879 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:38:08,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:08,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:38:08,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:38:08,880 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:38:08,880 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 485 transitions, 15689 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:08,880 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:08,880 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:38:08,880 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:10,491 INFO L129 PetriNetUnfolder]: 704/5611 cut-off events. [2021-03-26 13:38:10,492 INFO L130 PetriNetUnfolder]: For 172647/178183 co-relation queries the response was YES. [2021-03-26 13:38:10,532 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38843 conditions, 5611 events. 704/5611 cut-off events. For 172647/178183 co-relation queries the response was YES. Maximal size of possible extension queue 800. Compared 84126 event pairs, 452 based on Foata normal form. 48/5362 useless extension candidates. Maximal degree in co-relation 38719. Up to 1144 conditions per place. [2021-03-26 13:38:10,545 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 188 selfloop transitions, 305 changer transitions 1/508 dead transitions. [2021-03-26 13:38:10,545 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 508 transitions, 17204 flow [2021-03-26 13:38:10,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:38:10,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:38:10,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:38:10,546 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:38:10,546 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:38:10,546 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:38:10,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:10,546 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:38:10,547 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:10,547 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:10,547 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:10,547 INFO L185 Difference]: Start difference. First operand has 290 places, 485 transitions, 15689 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:38:10,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 508 transitions, 17204 flow [2021-03-26 13:38:11,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 508 transitions, 16571 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-26 13:38:11,217 INFO L241 Difference]: Finished difference. Result has 296 places, 492 transitions, 15994 flow [2021-03-26 13:38:11,217 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=15070, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=485, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=298, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15994, PETRI_PLACES=296, PETRI_TRANSITIONS=492} [2021-03-26 13:38:11,217 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 252 predicate places. [2021-03-26 13:38:11,217 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:11,217 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 296 places, 492 transitions, 15994 flow [2021-03-26 13:38:11,218 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 296 places, 492 transitions, 15994 flow [2021-03-26 13:38:11,222 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 295 places, 492 transitions, 15994 flow [2021-03-26 13:38:11,834 INFO L129 PetriNetUnfolder]: 0/4150 cut-off events. [2021-03-26 13:38:11,834 INFO L130 PetriNetUnfolder]: For 119817/122097 co-relation queries the response was YES. [2021-03-26 13:38:11,834 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22053 conditions, 4150 events. 0/4150 cut-off events. For 119817/122097 co-relation queries the response was YES. Maximal size of possible extension queue 657. Compared 68670 event pairs, 0 based on Foata normal form. 22/3955 useless extension candidates. Maximal degree in co-relation 0. Up to 473 conditions per place. [2021-03-26 13:38:11,871 INFO L142 LiptonReduction]: Number of co-enabled transitions 2926 [2021-03-26 13:38:11,907 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:11,907 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:11,907 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 690 [2021-03-26 13:38:11,907 INFO L480 AbstractCegarLoop]: Abstraction has has 295 places, 492 transitions, 15994 flow [2021-03-26 13:38:11,907 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:11,907 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:11,907 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 13:38:11,907 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-03-26 13:38:11,907 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:38:11,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:11,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1501280288, now seen corresponding path program 33 times [2021-03-26 13:38:11,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:11,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590451641] [2021-03-26 13:38:11,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:11,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:11,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:11,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:11,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:11,921 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:38:11,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:38:11,927 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:38:11,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:38:11,936 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:38:11,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:38:11,948 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:38:11,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:38:11,965 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:38:11,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:38:11,987 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:38:11,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:38:12,008 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 13:38:12,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590451641] [2021-03-26 13:38:12,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:12,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:38:12,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657915434] [2021-03-26 13:38:12,009 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:38:12,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:12,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:38:12,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:38:12,009 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:38:12,009 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 492 transitions, 15994 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:12,010 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:12,010 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:38:12,010 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:13,624 INFO L129 PetriNetUnfolder]: 704/5605 cut-off events. [2021-03-26 13:38:13,624 INFO L130 PetriNetUnfolder]: For 174730/180261 co-relation queries the response was YES. [2021-03-26 13:38:13,665 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38925 conditions, 5605 events. 704/5605 cut-off events. For 174730/180261 co-relation queries the response was YES. Maximal size of possible extension queue 799. Compared 84027 event pairs, 452 based on Foata normal form. 46/5363 useless extension candidates. Maximal degree in co-relation 38798. Up to 1144 conditions per place. [2021-03-26 13:38:13,677 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 184 selfloop transitions, 312 changer transitions 2/512 dead transitions. [2021-03-26 13:38:13,677 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 512 transitions, 17396 flow [2021-03-26 13:38:13,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:38:13,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:38:13,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:38:13,678 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:38:13,678 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:38:13,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:38:13,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:13,678 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:38:13,679 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:13,679 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:13,679 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:13,679 INFO L185 Difference]: Start difference. First operand has 295 places, 492 transitions, 15994 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:38:13,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 512 transitions, 17396 flow [2021-03-26 13:38:14,377 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 512 transitions, 16788 flow, removed 18 selfloop flow, removed 5 redundant places. [2021-03-26 13:38:14,386 INFO L241 Difference]: Finished difference. Result has 301 places, 496 transitions, 16183 flow [2021-03-26 13:38:14,387 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=15398, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=492, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=307, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=16183, PETRI_PLACES=301, PETRI_TRANSITIONS=496} [2021-03-26 13:38:14,387 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 257 predicate places. [2021-03-26 13:38:14,387 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:14,387 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 301 places, 496 transitions, 16183 flow [2021-03-26 13:38:14,387 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 301 places, 496 transitions, 16183 flow [2021-03-26 13:38:14,392 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 300 places, 496 transitions, 16183 flow [2021-03-26 13:38:15,007 INFO L129 PetriNetUnfolder]: 0/4143 cut-off events. [2021-03-26 13:38:15,008 INFO L130 PetriNetUnfolder]: For 125119/127735 co-relation queries the response was YES. [2021-03-26 13:38:15,008 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22119 conditions, 4143 events. 0/4143 cut-off events. For 125119/127735 co-relation queries the response was YES. Maximal size of possible extension queue 661. Compared 68668 event pairs, 0 based on Foata normal form. 28/3954 useless extension candidates. Maximal degree in co-relation 0. Up to 472 conditions per place. [2021-03-26 13:38:15,044 INFO L142 LiptonReduction]: Number of co-enabled transitions 2960 [2021-03-26 13:38:15,081 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:15,082 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:15,082 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 695 [2021-03-26 13:38:15,082 INFO L480 AbstractCegarLoop]: Abstraction has has 300 places, 496 transitions, 16183 flow [2021-03-26 13:38:15,082 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:15,082 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:15,082 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 13:38:15,082 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-03-26 13:38:15,082 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:38:15,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:15,083 INFO L82 PathProgramCache]: Analyzing trace with hash 849153132, now seen corresponding path program 34 times [2021-03-26 13:38:15,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:15,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577074014] [2021-03-26 13:38:15,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:15,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:15,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:15,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:15,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:15,096 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:38:15,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:38:15,102 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:38:15,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:38:15,112 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:38:15,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:38:15,125 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:38:15,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:38:15,142 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 13:38:15,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:38:15,171 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:38:15,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:38:15,192 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 13:38:15,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577074014] [2021-03-26 13:38:15,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:15,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:38:15,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336185009] [2021-03-26 13:38:15,193 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:38:15,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:15,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:38:15,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:38:15,193 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:38:15,193 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 496 transitions, 16183 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:15,194 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:15,194 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:38:15,194 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:16,802 INFO L129 PetriNetUnfolder]: 704/5598 cut-off events. [2021-03-26 13:38:16,802 INFO L130 PetriNetUnfolder]: For 175491/181002 co-relation queries the response was YES. [2021-03-26 13:38:16,845 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38988 conditions, 5598 events. 704/5598 cut-off events. For 175491/181002 co-relation queries the response was YES. Maximal size of possible extension queue 797. Compared 83838 event pairs, 452 based on Foata normal form. 46/5349 useless extension candidates. Maximal degree in co-relation 38859. Up to 1144 conditions per place. [2021-03-26 13:38:16,857 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 174 selfloop transitions, 320 changer transitions 2/510 dead transitions. [2021-03-26 13:38:16,858 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 510 transitions, 17401 flow [2021-03-26 13:38:16,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:38:16,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:38:16,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:38:16,859 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:38:16,859 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:38:16,859 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:38:16,859 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:16,859 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:38:16,859 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:16,860 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:16,860 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:16,860 INFO L185 Difference]: Start difference. First operand has 300 places, 496 transitions, 16183 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:38:16,860 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 510 transitions, 17401 flow [2021-03-26 13:38:17,642 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 510 transitions, 16799 flow, removed 11 selfloop flow, removed 8 redundant places. [2021-03-26 13:38:17,653 INFO L241 Difference]: Finished difference. Result has 301 places, 494 transitions, 16149 flow [2021-03-26 13:38:17,653 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=15591, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=496, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=320, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=16149, PETRI_PLACES=301, PETRI_TRANSITIONS=494} [2021-03-26 13:38:17,653 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 257 predicate places. [2021-03-26 13:38:17,653 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:17,653 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 301 places, 494 transitions, 16149 flow [2021-03-26 13:38:17,653 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 301 places, 494 transitions, 16149 flow [2021-03-26 13:38:17,658 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 299 places, 494 transitions, 16149 flow [2021-03-26 13:38:18,277 INFO L129 PetriNetUnfolder]: 0/4137 cut-off events. [2021-03-26 13:38:18,278 INFO L130 PetriNetUnfolder]: For 122966/125484 co-relation queries the response was YES. [2021-03-26 13:38:18,278 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22142 conditions, 4137 events. 0/4137 cut-off events. For 122966/125484 co-relation queries the response was YES. Maximal size of possible extension queue 663. Compared 68591 event pairs, 0 based on Foata normal form. 26/3953 useless extension candidates. Maximal degree in co-relation 0. Up to 471 conditions per place. [2021-03-26 13:38:18,315 INFO L142 LiptonReduction]: Number of co-enabled transitions 2938 [2021-03-26 13:38:18,352 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:18,352 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:18,352 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 699 [2021-03-26 13:38:18,353 INFO L480 AbstractCegarLoop]: Abstraction has has 299 places, 494 transitions, 16149 flow [2021-03-26 13:38:18,353 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:18,353 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:18,353 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 13:38:18,353 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-03-26 13:38:18,353 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:38:18,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:18,353 INFO L82 PathProgramCache]: Analyzing trace with hash -1502785078, now seen corresponding path program 35 times [2021-03-26 13:38:18,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:18,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638761357] [2021-03-26 13:38:18,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:18,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:18,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:18,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:18,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:18,367 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:38:18,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:38:18,374 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:38:18,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:38:18,387 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:38:18,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:38:18,400 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:38:18,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:38:18,418 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:38:18,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:38:18,442 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:38:18,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:38:18,466 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 13:38:18,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638761357] [2021-03-26 13:38:18,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:18,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:38:18,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039682179] [2021-03-26 13:38:18,467 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:38:18,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:18,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:38:18,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:38:18,467 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:38:18,468 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 494 transitions, 16149 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:18,468 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:18,468 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:38:18,468 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:20,054 INFO L129 PetriNetUnfolder]: 704/5592 cut-off events. [2021-03-26 13:38:20,054 INFO L130 PetriNetUnfolder]: For 174901/180412 co-relation queries the response was YES. [2021-03-26 13:38:20,096 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39008 conditions, 5592 events. 704/5592 cut-off events. For 174901/180412 co-relation queries the response was YES. Maximal size of possible extension queue 796. Compared 83705 event pairs, 452 based on Foata normal form. 46/5343 useless extension candidates. Maximal degree in co-relation 38882. Up to 1144 conditions per place. [2021-03-26 13:38:20,109 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 186 selfloop transitions, 307 changer transitions 1/508 dead transitions. [2021-03-26 13:38:20,109 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 508 transitions, 17363 flow [2021-03-26 13:38:20,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:38:20,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:38:20,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:38:20,110 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:38:20,110 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:38:20,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:38:20,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:20,110 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:38:20,111 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:20,111 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:20,111 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:20,112 INFO L185 Difference]: Start difference. First operand has 299 places, 494 transitions, 16149 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:38:20,112 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 508 transitions, 17363 flow [2021-03-26 13:38:20,818 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 508 transitions, 16662 flow, removed 18 selfloop flow, removed 9 redundant places. [2021-03-26 13:38:20,827 INFO L241 Difference]: Finished difference. Result has 300 places, 494 transitions, 16091 flow [2021-03-26 13:38:20,828 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=15462, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=494, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=306, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=16091, PETRI_PLACES=300, PETRI_TRANSITIONS=494} [2021-03-26 13:38:20,828 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 256 predicate places. [2021-03-26 13:38:20,828 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:20,828 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 300 places, 494 transitions, 16091 flow [2021-03-26 13:38:20,828 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 300 places, 494 transitions, 16091 flow [2021-03-26 13:38:20,833 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 299 places, 494 transitions, 16091 flow [2021-03-26 13:38:21,426 INFO L129 PetriNetUnfolder]: 0/4131 cut-off events. [2021-03-26 13:38:21,426 INFO L130 PetriNetUnfolder]: For 117684/119883 co-relation queries the response was YES. [2021-03-26 13:38:21,426 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22093 conditions, 4131 events. 0/4131 cut-off events. For 117684/119883 co-relation queries the response was YES. Maximal size of possible extension queue 655. Compared 68322 event pairs, 0 based on Foata normal form. 20/3934 useless extension candidates. Maximal degree in co-relation 0. Up to 470 conditions per place. [2021-03-26 13:38:21,462 INFO L142 LiptonReduction]: Number of co-enabled transitions 2940 [2021-03-26 13:38:21,498 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:21,498 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:21,498 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 670 [2021-03-26 13:38:21,498 INFO L480 AbstractCegarLoop]: Abstraction has has 299 places, 494 transitions, 16091 flow [2021-03-26 13:38:21,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:21,498 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:21,498 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 13:38:21,498 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-03-26 13:38:21,499 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:38:21,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:21,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1840660010, now seen corresponding path program 36 times [2021-03-26 13:38:21,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:21,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491073064] [2021-03-26 13:38:21,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:21,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:21,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:21,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:21,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:21,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:21,512 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:38:21,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:38:21,518 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:38:21,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:38:21,527 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:38:21,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:38:21,539 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 13:38:21,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 13:38:21,565 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:38:21,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:38:21,585 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:38:21,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:38:21,605 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 13:38:21,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491073064] [2021-03-26 13:38:21,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:21,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:38:21,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202606794] [2021-03-26 13:38:21,605 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:38:21,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:21,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:38:21,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:38:21,606 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:38:21,606 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 494 transitions, 16091 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:21,606 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:21,606 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:38:21,606 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:23,138 INFO L129 PetriNetUnfolder]: 704/5586 cut-off events. [2021-03-26 13:38:23,138 INFO L130 PetriNetUnfolder]: For 173568/179084 co-relation queries the response was YES. [2021-03-26 13:38:23,179 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38957 conditions, 5586 events. 704/5586 cut-off events. For 173568/179084 co-relation queries the response was YES. Maximal size of possible extension queue 796. Compared 83652 event pairs, 452 based on Foata normal form. 48/5339 useless extension candidates. Maximal degree in co-relation 38833. Up to 1144 conditions per place. [2021-03-26 13:38:23,192 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 183 selfloop transitions, 309 changer transitions 1/507 dead transitions. [2021-03-26 13:38:23,192 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 507 transitions, 17263 flow [2021-03-26 13:38:23,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:38:23,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:38:23,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:38:23,193 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:38:23,193 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:38:23,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:38:23,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:23,193 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:38:23,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:23,194 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:23,194 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:23,194 INFO L185 Difference]: Start difference. First operand has 299 places, 494 transitions, 16091 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:38:23,194 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 507 transitions, 17263 flow [2021-03-26 13:38:23,890 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 507 transitions, 16646 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-03-26 13:38:23,899 INFO L241 Difference]: Finished difference. Result has 303 places, 495 transitions, 16168 flow [2021-03-26 13:38:23,900 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=15484, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=494, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=307, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=16168, PETRI_PLACES=303, PETRI_TRANSITIONS=495} [2021-03-26 13:38:23,900 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 259 predicate places. [2021-03-26 13:38:23,900 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:23,900 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 303 places, 495 transitions, 16168 flow [2021-03-26 13:38:23,900 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 303 places, 495 transitions, 16168 flow [2021-03-26 13:38:23,905 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 302 places, 495 transitions, 16168 flow [2021-03-26 13:38:24,492 INFO L129 PetriNetUnfolder]: 0/4125 cut-off events. [2021-03-26 13:38:24,493 INFO L130 PetriNetUnfolder]: For 118669/120868 co-relation queries the response was YES. [2021-03-26 13:38:24,493 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22106 conditions, 4125 events. 0/4125 cut-off events. For 118669/120868 co-relation queries the response was YES. Maximal size of possible extension queue 653. Compared 68284 event pairs, 0 based on Foata normal form. 22/3934 useless extension candidates. Maximal degree in co-relation 0. Up to 469 conditions per place. [2021-03-26 13:38:24,527 INFO L142 LiptonReduction]: Number of co-enabled transitions 2952 [2021-03-26 13:38:24,563 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:24,564 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:24,564 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 664 [2021-03-26 13:38:24,564 INFO L480 AbstractCegarLoop]: Abstraction has has 302 places, 495 transitions, 16168 flow [2021-03-26 13:38:24,564 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:24,564 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:24,564 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 13:38:24,564 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-03-26 13:38:24,564 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:38:24,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:24,565 INFO L82 PathProgramCache]: Analyzing trace with hash 353559026, now seen corresponding path program 37 times [2021-03-26 13:38:24,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:24,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068277825] [2021-03-26 13:38:24,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:24,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:24,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:24,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:24,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:24,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:24,582 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:38:24,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:38:24,591 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:38:24,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:38:24,601 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:38:24,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:38:24,614 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 13:38:24,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 13:38:24,642 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 13:38:24,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:38:24,675 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:38:24,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:38:24,696 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 13:38:24,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068277825] [2021-03-26 13:38:24,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:24,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:38:24,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784019164] [2021-03-26 13:38:24,696 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:38:24,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:24,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:38:24,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:38:24,697 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:38:24,697 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 495 transitions, 16168 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:24,697 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:24,697 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:38:24,697 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:26,241 INFO L129 PetriNetUnfolder]: 704/5580 cut-off events. [2021-03-26 13:38:26,242 INFO L130 PetriNetUnfolder]: For 174623/180139 co-relation queries the response was YES. [2021-03-26 13:38:26,286 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38968 conditions, 5580 events. 704/5580 cut-off events. For 174623/180139 co-relation queries the response was YES. Maximal size of possible extension queue 795. Compared 83484 event pairs, 452 based on Foata normal form. 48/5333 useless extension candidates. Maximal degree in co-relation 38843. Up to 1144 conditions per place. [2021-03-26 13:38:26,299 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 182 selfloop transitions, 309 changer transitions 1/506 dead transitions. [2021-03-26 13:38:26,299 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 506 transitions, 17270 flow [2021-03-26 13:38:26,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:38:26,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:38:26,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:38:26,300 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:38:26,300 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:38:26,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:38:26,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:26,300 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:38:26,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:26,301 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:26,301 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:26,301 INFO L185 Difference]: Start difference. First operand has 302 places, 495 transitions, 16168 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:38:26,301 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 310 places, 506 transitions, 17270 flow [2021-03-26 13:38:27,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 506 transitions, 16669 flow, removed 8 selfloop flow, removed 7 redundant places. [2021-03-26 13:38:27,038 INFO L241 Difference]: Finished difference. Result has 304 places, 494 transitions, 16153 flow [2021-03-26 13:38:27,039 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=15577, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=495, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=309, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=16153, PETRI_PLACES=304, PETRI_TRANSITIONS=494} [2021-03-26 13:38:27,039 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 260 predicate places. [2021-03-26 13:38:27,039 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:27,039 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 304 places, 494 transitions, 16153 flow [2021-03-26 13:38:27,039 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 304 places, 494 transitions, 16153 flow [2021-03-26 13:38:27,046 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 303 places, 494 transitions, 16153 flow [2021-03-26 13:38:27,666 INFO L129 PetriNetUnfolder]: 0/4122 cut-off events. [2021-03-26 13:38:27,667 INFO L130 PetriNetUnfolder]: For 122620/125156 co-relation queries the response was YES. [2021-03-26 13:38:27,667 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22157 conditions, 4122 events. 0/4122 cut-off events. For 122620/125156 co-relation queries the response was YES. Maximal size of possible extension queue 655. Compared 68252 event pairs, 0 based on Foata normal form. 26/3931 useless extension candidates. Maximal degree in co-relation 0. Up to 469 conditions per place. [2021-03-26 13:38:27,703 INFO L142 LiptonReduction]: Number of co-enabled transitions 2940 [2021-03-26 13:38:27,739 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:27,739 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:27,739 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 700 [2021-03-26 13:38:27,740 INFO L480 AbstractCegarLoop]: Abstraction has has 303 places, 494 transitions, 16153 flow [2021-03-26 13:38:27,740 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:27,740 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:27,740 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 13:38:27,740 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-03-26 13:38:27,740 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:38:27,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:27,740 INFO L82 PathProgramCache]: Analyzing trace with hash 678155148, now seen corresponding path program 38 times [2021-03-26 13:38:27,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:27,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263597143] [2021-03-26 13:38:27,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:27,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:27,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:27,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:27,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:27,753 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:38:27,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:38:27,761 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:38:27,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:38:27,771 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:38:27,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:38:27,784 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:38:27,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:38:27,801 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:38:27,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:38:27,823 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:38:27,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:38:27,844 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 13:38:27,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263597143] [2021-03-26 13:38:27,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:27,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:38:27,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943334890] [2021-03-26 13:38:27,844 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:38:27,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:27,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:38:27,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:38:27,845 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:38:27,845 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 494 transitions, 16153 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:27,845 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:27,845 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:38:27,845 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:29,391 INFO L129 PetriNetUnfolder]: 704/5527 cut-off events. [2021-03-26 13:38:29,392 INFO L130 PetriNetUnfolder]: For 176077/180170 co-relation queries the response was YES. [2021-03-26 13:38:29,433 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38967 conditions, 5527 events. 704/5527 cut-off events. For 176077/180170 co-relation queries the response was YES. Maximal size of possible extension queue 786. Compared 82567 event pairs, 536 based on Foata normal form. 48/5277 useless extension candidates. Maximal degree in co-relation 38844. Up to 1144 conditions per place. [2021-03-26 13:38:29,446 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 181 selfloop transitions, 308 changer transitions 2/505 dead transitions. [2021-03-26 13:38:29,446 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 505 transitions, 17253 flow [2021-03-26 13:38:29,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:38:29,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:38:29,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:38:29,447 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:38:29,447 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:38:29,447 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:38:29,447 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:29,447 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:38:29,448 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:29,448 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:29,448 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:29,448 INFO L185 Difference]: Start difference. First operand has 303 places, 494 transitions, 16153 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:38:29,448 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 505 transitions, 17253 flow [2021-03-26 13:38:30,141 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 505 transitions, 16621 flow, removed 9 selfloop flow, removed 7 redundant places. [2021-03-26 13:38:30,150 INFO L241 Difference]: Finished difference. Result has 305 places, 492 transitions, 16068 flow [2021-03-26 13:38:30,151 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=15531, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=494, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=308, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=16068, PETRI_PLACES=305, PETRI_TRANSITIONS=492} [2021-03-26 13:38:30,151 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 261 predicate places. [2021-03-26 13:38:30,151 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:30,151 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 305 places, 492 transitions, 16068 flow [2021-03-26 13:38:30,151 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 305 places, 492 transitions, 16068 flow [2021-03-26 13:38:30,155 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 304 places, 492 transitions, 16068 flow [2021-03-26 13:38:30,743 INFO L129 PetriNetUnfolder]: 0/4115 cut-off events. [2021-03-26 13:38:30,743 INFO L130 PetriNetUnfolder]: For 120965/123383 co-relation queries the response was YES. [2021-03-26 13:38:30,743 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22139 conditions, 4115 events. 0/4115 cut-off events. For 120965/123383 co-relation queries the response was YES. Maximal size of possible extension queue 657. Compared 68122 event pairs, 0 based on Foata normal form. 26/3926 useless extension candidates. Maximal degree in co-relation 0. Up to 468 conditions per place. [2021-03-26 13:38:30,779 INFO L142 LiptonReduction]: Number of co-enabled transitions 2924 [2021-03-26 13:38:30,815 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:30,815 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:30,815 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 664 [2021-03-26 13:38:30,816 INFO L480 AbstractCegarLoop]: Abstraction has has 304 places, 492 transitions, 16068 flow [2021-03-26 13:38:30,816 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:30,816 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:30,816 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 13:38:30,816 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-03-26 13:38:30,816 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:38:30,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:30,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1043792262, now seen corresponding path program 39 times [2021-03-26 13:38:30,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:30,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211757449] [2021-03-26 13:38:30,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:30,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:30,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:30,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:30,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:30,840 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:38:30,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:38:30,846 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:38:30,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:38:30,856 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:38:30,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:38:30,869 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:38:30,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:38:30,887 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:38:30,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:38:30,910 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:38:30,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:38:30,931 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 13:38:30,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211757449] [2021-03-26 13:38:30,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:30,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:38:30,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084405394] [2021-03-26 13:38:30,932 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:38:30,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:30,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:38:30,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:38:30,932 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:38:30,932 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 492 transitions, 16068 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:30,932 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:30,932 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:38:30,932 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:32,454 INFO L129 PetriNetUnfolder]: 704/5570 cut-off events. [2021-03-26 13:38:32,455 INFO L130 PetriNetUnfolder]: For 173670/179186 co-relation queries the response was YES. [2021-03-26 13:38:32,496 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38996 conditions, 5570 events. 704/5570 cut-off events. For 173670/179186 co-relation queries the response was YES. Maximal size of possible extension queue 792. Compared 83373 event pairs, 452 based on Foata normal form. 48/5324 useless extension candidates. Maximal degree in co-relation 38874. Up to 1144 conditions per place. [2021-03-26 13:38:32,508 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 183 selfloop transitions, 304 changer transitions 2/503 dead transitions. [2021-03-26 13:38:32,508 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 503 transitions, 17164 flow [2021-03-26 13:38:32,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:38:32,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:38:32,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:38:32,509 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:38:32,509 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:38:32,509 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:38:32,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:32,509 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:38:32,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:32,510 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:32,510 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:32,511 INFO L185 Difference]: Start difference. First operand has 304 places, 492 transitions, 16068 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:38:32,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 503 transitions, 17164 flow [2021-03-26 13:38:33,238 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 503 transitions, 16541 flow, removed 9 selfloop flow, removed 7 redundant places. [2021-03-26 13:38:33,248 INFO L241 Difference]: Finished difference. Result has 306 places, 490 transitions, 15982 flow [2021-03-26 13:38:33,248 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=15455, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=492, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=304, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15982, PETRI_PLACES=306, PETRI_TRANSITIONS=490} [2021-03-26 13:38:33,248 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 262 predicate places. [2021-03-26 13:38:33,248 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:33,248 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 306 places, 490 transitions, 15982 flow [2021-03-26 13:38:33,248 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 306 places, 490 transitions, 15982 flow [2021-03-26 13:38:33,253 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 305 places, 490 transitions, 15982 flow [2021-03-26 13:38:33,848 INFO L129 PetriNetUnfolder]: 0/4108 cut-off events. [2021-03-26 13:38:33,848 INFO L130 PetriNetUnfolder]: For 118494/120773 co-relation queries the response was YES. [2021-03-26 13:38:33,849 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22101 conditions, 4108 events. 0/4108 cut-off events. For 118494/120773 co-relation queries the response was YES. Maximal size of possible extension queue 645. Compared 67878 event pairs, 0 based on Foata normal form. 22/3913 useless extension candidates. Maximal degree in co-relation 0. Up to 467 conditions per place. [2021-03-26 13:38:33,884 INFO L142 LiptonReduction]: Number of co-enabled transitions 2910 [2021-03-26 13:38:33,920 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:33,920 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:33,920 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 672 [2021-03-26 13:38:33,920 INFO L480 AbstractCegarLoop]: Abstraction has has 305 places, 490 transitions, 15982 flow [2021-03-26 13:38:33,921 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:33,921 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:33,921 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 13:38:33,921 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-03-26 13:38:33,921 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:38:33,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:33,921 INFO L82 PathProgramCache]: Analyzing trace with hash 188519308, now seen corresponding path program 40 times [2021-03-26 13:38:33,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:33,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846150309] [2021-03-26 13:38:33,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:33,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:33,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:33,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:33,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:33,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:33,943 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:38:33,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:38:33,950 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:38:33,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:38:33,959 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:38:33,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:38:33,971 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:38:33,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:38:33,988 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:38:33,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:38:34,009 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:38:34,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:38:34,030 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 13:38:34,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846150309] [2021-03-26 13:38:34,030 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:34,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:38:34,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567533967] [2021-03-26 13:38:34,030 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:38:34,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:34,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:38:34,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:38:34,031 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:38:34,031 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 490 transitions, 15982 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:34,031 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:34,031 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:38:34,031 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:35,583 INFO L129 PetriNetUnfolder]: 704/5563 cut-off events. [2021-03-26 13:38:35,583 INFO L130 PetriNetUnfolder]: For 173167/178683 co-relation queries the response was YES. [2021-03-26 13:38:35,624 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38955 conditions, 5563 events. 704/5563 cut-off events. For 173167/178683 co-relation queries the response was YES. Maximal size of possible extension queue 790. Compared 83134 event pairs, 452 based on Foata normal form. 48/5318 useless extension candidates. Maximal degree in co-relation 38834. Up to 1144 conditions per place. [2021-03-26 13:38:35,639 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 162 selfloop transitions, 322 changer transitions 3/501 dead transitions. [2021-03-26 13:38:35,639 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 501 transitions, 17074 flow [2021-03-26 13:38:35,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:38:35,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:38:35,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:38:35,640 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:38:35,640 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:38:35,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:38:35,640 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:35,640 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:38:35,641 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:35,642 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:35,642 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:35,642 INFO L185 Difference]: Start difference. First operand has 305 places, 490 transitions, 15982 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:38:35,642 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 501 transitions, 17074 flow [2021-03-26 13:38:36,363 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 501 transitions, 16451 flow, removed 9 selfloop flow, removed 7 redundant places. [2021-03-26 13:38:36,373 INFO L241 Difference]: Finished difference. Result has 307 places, 487 transitions, 15887 flow [2021-03-26 13:38:36,373 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=15369, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=490, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=322, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15887, PETRI_PLACES=307, PETRI_TRANSITIONS=487} [2021-03-26 13:38:36,373 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 263 predicate places. [2021-03-26 13:38:36,373 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:36,373 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 307 places, 487 transitions, 15887 flow [2021-03-26 13:38:36,373 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 307 places, 487 transitions, 15887 flow [2021-03-26 13:38:36,378 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 306 places, 487 transitions, 15887 flow [2021-03-26 13:38:36,977 INFO L129 PetriNetUnfolder]: 0/4066 cut-off events. [2021-03-26 13:38:36,978 INFO L130 PetriNetUnfolder]: For 114439/116549 co-relation queries the response was YES. [2021-03-26 13:38:36,978 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21542 conditions, 4066 events. 0/4066 cut-off events. For 114439/116549 co-relation queries the response was YES. Maximal size of possible extension queue 635. Compared 67007 event pairs, 0 based on Foata normal form. 22/3879 useless extension candidates. Maximal degree in co-relation 0. Up to 464 conditions per place. [2021-03-26 13:38:37,015 INFO L142 LiptonReduction]: Number of co-enabled transitions 2868 [2021-03-26 13:38:37,051 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:37,052 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:37,052 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 679 [2021-03-26 13:38:37,052 INFO L480 AbstractCegarLoop]: Abstraction has has 306 places, 487 transitions, 15887 flow [2021-03-26 13:38:37,052 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:37,052 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:37,052 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 13:38:37,052 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-03-26 13:38:37,052 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:38:37,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:37,053 INFO L82 PathProgramCache]: Analyzing trace with hash 1916461202, now seen corresponding path program 41 times [2021-03-26 13:38:37,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:37,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075851579] [2021-03-26 13:38:37,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:37,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:37,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:37,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:37,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:37,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:37,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:38:37,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:37,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:38:37,080 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:38:37,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:38:37,093 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-03-26 13:38:37,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:38:37,122 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:38:37,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:38:37,160 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:38:37,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:38:37,182 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 13:38:37,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075851579] [2021-03-26 13:38:37,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:37,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:38:37,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907995695] [2021-03-26 13:38:37,183 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:38:37,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:37,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:38:37,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:38:37,184 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:38:37,184 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 487 transitions, 15887 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:37,184 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:37,184 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:38:37,184 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:39,208 INFO L129 PetriNetUnfolder]: 767/7381 cut-off events. [2021-03-26 13:38:39,208 INFO L130 PetriNetUnfolder]: For 231999/237491 co-relation queries the response was YES. [2021-03-26 13:38:39,265 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50287 conditions, 7381 events. 767/7381 cut-off events. For 231999/237491 co-relation queries the response was YES. Maximal size of possible extension queue 1059. Compared 119726 event pairs, 204 based on Foata normal form. 13/6983 useless extension candidates. Maximal degree in co-relation 50167. Up to 1958 conditions per place. [2021-03-26 13:38:39,283 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 584 selfloop transitions, 192 changer transitions 3/793 dead transitions. [2021-03-26 13:38:39,283 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 793 transitions, 27736 flow [2021-03-26 13:38:39,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:38:39,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:38:39,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:38:39,284 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:38:39,284 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:38:39,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:38:39,285 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:39,285 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:38:39,285 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:39,286 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:39,286 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:39,286 INFO L185 Difference]: Start difference. First operand has 306 places, 487 transitions, 15887 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:38:39,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 793 transitions, 27736 flow [2021-03-26 13:38:40,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 793 transitions, 26683 flow, removed 11 selfloop flow, removed 7 redundant places. [2021-03-26 13:38:40,363 INFO L241 Difference]: Finished difference. Result has 314 places, 576 transitions, 18750 flow [2021-03-26 13:38:40,363 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=15262, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=487, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=103, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=18750, PETRI_PLACES=314, PETRI_TRANSITIONS=576} [2021-03-26 13:38:40,363 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 270 predicate places. [2021-03-26 13:38:40,363 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:40,364 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 314 places, 576 transitions, 18750 flow [2021-03-26 13:38:40,364 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 314 places, 576 transitions, 18750 flow [2021-03-26 13:38:40,369 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 313 places, 576 transitions, 18750 flow [2021-03-26 13:38:41,313 INFO L129 PetriNetUnfolder]: 0/5739 cut-off events. [2021-03-26 13:38:41,314 INFO L130 PetriNetUnfolder]: For 171593/175643 co-relation queries the response was YES. [2021-03-26 13:38:41,314 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31291 conditions, 5739 events. 0/5739 cut-off events. For 171593/175643 co-relation queries the response was YES. Maximal size of possible extension queue 905. Compared 100400 event pairs, 0 based on Foata normal form. 44/5515 useless extension candidates. Maximal degree in co-relation 0. Up to 645 conditions per place. [2021-03-26 13:38:41,361 INFO L142 LiptonReduction]: Number of co-enabled transitions 3174 [2021-03-26 13:38:41,406 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:41,406 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:41,406 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1043 [2021-03-26 13:38:41,406 INFO L480 AbstractCegarLoop]: Abstraction has has 313 places, 576 transitions, 18750 flow [2021-03-26 13:38:41,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:41,406 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:41,406 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 13:38:41,406 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-03-26 13:38:41,407 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:38:41,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:41,407 INFO L82 PathProgramCache]: Analyzing trace with hash 1495848212, now seen corresponding path program 42 times [2021-03-26 13:38:41,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:41,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945994225] [2021-03-26 13:38:41,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:41,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:41,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:41,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:41,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:41,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:41,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:41,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:38:41,424 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:38:41,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:38:41,434 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:38:41,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:38:41,446 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:38:41,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:38:41,463 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:38:41,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:38:41,485 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:38:41,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:38:41,507 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 13:38:41,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945994225] [2021-03-26 13:38:41,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:41,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:38:41,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900047255] [2021-03-26 13:38:41,507 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:38:41,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:41,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:38:41,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:38:41,508 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:38:41,508 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 576 transitions, 18750 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:41,508 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:41,508 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:38:41,508 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:44,045 INFO L129 PetriNetUnfolder]: 764/7646 cut-off events. [2021-03-26 13:38:44,045 INFO L130 PetriNetUnfolder]: For 260855/269984 co-relation queries the response was YES. [2021-03-26 13:38:44,090 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53968 conditions, 7646 events. 764/7646 cut-off events. For 260855/269984 co-relation queries the response was YES. Maximal size of possible extension queue 1129. Compared 124341 event pairs, 410 based on Foata normal form. 30/7361 useless extension candidates. Maximal degree in co-relation 53843. Up to 1538 conditions per place. [2021-03-26 13:38:44,105 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 451 selfloop transitions, 262 changer transitions 2/729 dead transitions. [2021-03-26 13:38:44,105 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 729 transitions, 25251 flow [2021-03-26 13:38:44,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:38:44,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:38:44,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:38:44,106 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:38:44,106 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:38:44,106 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:38:44,107 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:44,107 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:38:44,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:44,108 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:44,108 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:44,108 INFO L185 Difference]: Start difference. First operand has 313 places, 576 transitions, 18750 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:38:44,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 729 transitions, 25251 flow [2021-03-26 13:38:45,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 729 transitions, 24913 flow, removed 106 selfloop flow, removed 2 redundant places. [2021-03-26 13:38:45,293 INFO L241 Difference]: Finished difference. Result has 325 places, 635 transitions, 21459 flow [2021-03-26 13:38:45,293 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=18462, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=576, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=203, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=314, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=21459, PETRI_PLACES=325, PETRI_TRANSITIONS=635} [2021-03-26 13:38:45,293 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 281 predicate places. [2021-03-26 13:38:45,293 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:45,293 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 325 places, 635 transitions, 21459 flow [2021-03-26 13:38:45,293 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 325 places, 635 transitions, 21459 flow [2021-03-26 13:38:45,300 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 324 places, 635 transitions, 21459 flow [2021-03-26 13:38:46,319 INFO L129 PetriNetUnfolder]: 0/6137 cut-off events. [2021-03-26 13:38:46,319 INFO L130 PetriNetUnfolder]: For 194635/200477 co-relation queries the response was YES. [2021-03-26 13:38:46,319 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34567 conditions, 6137 events. 0/6137 cut-off events. For 194635/200477 co-relation queries the response was YES. Maximal size of possible extension queue 987. Compared 108555 event pairs, 0 based on Foata normal form. 27/5866 useless extension candidates. Maximal degree in co-relation 0. Up to 692 conditions per place. [2021-03-26 13:38:46,376 INFO L142 LiptonReduction]: Number of co-enabled transitions 3432 [2021-03-26 13:38:46,432 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:46,432 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:46,433 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1140 [2021-03-26 13:38:46,433 INFO L480 AbstractCegarLoop]: Abstraction has has 324 places, 635 transitions, 21459 flow [2021-03-26 13:38:46,433 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:46,433 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:46,433 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 13:38:46,433 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-03-26 13:38:46,433 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:38:46,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:46,433 INFO L82 PathProgramCache]: Analyzing trace with hash -217531006, now seen corresponding path program 43 times [2021-03-26 13:38:46,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:46,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967835098] [2021-03-26 13:38:46,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:46,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:46,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:46,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:46,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:46,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:46,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:38:46,452 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:38:46,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:38:46,461 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:38:46,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:38:46,484 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 13:38:46,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 13:38:46,517 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:38:46,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:38:46,544 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:38:46,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:38:46,569 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 13:38:46,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967835098] [2021-03-26 13:38:46,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:46,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:38:46,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202116580] [2021-03-26 13:38:46,570 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:38:46,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:46,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:38:46,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:38:46,570 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:38:46,571 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 635 transitions, 21459 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:46,571 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:46,571 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:38:46,571 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:49,455 INFO L129 PetriNetUnfolder]: 731/8678 cut-off events. [2021-03-26 13:38:49,455 INFO L130 PetriNetUnfolder]: For 306933/318099 co-relation queries the response was YES. [2021-03-26 13:38:49,525 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60845 conditions, 8678 events. 731/8678 cut-off events. For 306933/318099 co-relation queries the response was YES. Maximal size of possible extension queue 1300. Compared 147719 event pairs, 374 based on Foata normal form. 57/8264 useless extension candidates. Maximal degree in co-relation 60715. Up to 1720 conditions per place. [2021-03-26 13:38:49,546 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 571 selfloop transitions, 310 changer transitions 3/898 dead transitions. [2021-03-26 13:38:49,547 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 898 transitions, 32786 flow [2021-03-26 13:38:49,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:38:49,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:38:49,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:38:49,548 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:38:49,548 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:38:49,548 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:38:49,548 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:49,548 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:38:49,548 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:49,549 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:49,549 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:49,549 INFO L185 Difference]: Start difference. First operand has 324 places, 635 transitions, 21459 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:38:49,549 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 898 transitions, 32786 flow [2021-03-26 13:38:51,270 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 329 places, 898 transitions, 32280 flow, removed 214 selfloop flow, removed 3 redundant places. [2021-03-26 13:38:51,286 INFO L241 Difference]: Finished difference. Result has 336 places, 726 transitions, 25636 flow [2021-03-26 13:38:51,287 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=21175, PETRI_DIFFERENCE_MINUEND_PLACES=321, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=635, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=219, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=25636, PETRI_PLACES=336, PETRI_TRANSITIONS=726} [2021-03-26 13:38:51,287 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 292 predicate places. [2021-03-26 13:38:51,287 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:51,287 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 336 places, 726 transitions, 25636 flow [2021-03-26 13:38:51,287 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 336 places, 726 transitions, 25636 flow [2021-03-26 13:38:51,294 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 335 places, 726 transitions, 25636 flow [2021-03-26 13:38:52,563 INFO L129 PetriNetUnfolder]: 0/7069 cut-off events. [2021-03-26 13:38:52,563 INFO L130 PetriNetUnfolder]: For 245133/250123 co-relation queries the response was YES. [2021-03-26 13:38:52,563 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41425 conditions, 7069 events. 0/7069 cut-off events. For 245133/250123 co-relation queries the response was YES. Maximal size of possible extension queue 1137. Compared 128152 event pairs, 0 based on Foata normal form. 34/6811 useless extension candidates. Maximal degree in co-relation 0. Up to 797 conditions per place. [2021-03-26 13:38:52,630 INFO L142 LiptonReduction]: Number of co-enabled transitions 3908 [2021-03-26 13:38:52,707 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:52,707 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:52,707 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1420 [2021-03-26 13:38:52,707 INFO L480 AbstractCegarLoop]: Abstraction has has 335 places, 726 transitions, 25636 flow [2021-03-26 13:38:52,708 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:52,708 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:52,708 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 13:38:52,708 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-03-26 13:38:52,708 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:38:52,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:52,708 INFO L82 PathProgramCache]: Analyzing trace with hash -41679772, now seen corresponding path program 44 times [2021-03-26 13:38:52,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:52,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136317054] [2021-03-26 13:38:52,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:52,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:52,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:52,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:52,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:52,720 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:38:52,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:38:52,726 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:38:52,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:38:52,735 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:38:52,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:38:52,746 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:38:52,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:38:52,766 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:38:52,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:38:52,789 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:38:52,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:38:52,809 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 13:38:52,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136317054] [2021-03-26 13:38:52,809 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:52,810 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:38:52,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306288812] [2021-03-26 13:38:52,810 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:38:52,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:52,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:38:52,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:38:52,810 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:38:52,811 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 335 places, 726 transitions, 25636 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:52,811 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:52,811 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:38:52,811 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:56,157 INFO L129 PetriNetUnfolder]: 687/8792 cut-off events. [2021-03-26 13:38:56,158 INFO L130 PetriNetUnfolder]: For 329734/340730 co-relation queries the response was YES. [2021-03-26 13:38:56,240 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63776 conditions, 8792 events. 687/8792 cut-off events. For 329734/340730 co-relation queries the response was YES. Maximal size of possible extension queue 1340. Compared 150252 event pairs, 589 based on Foata normal form. 49/8428 useless extension candidates. Maximal degree in co-relation 63641. Up to 1679 conditions per place. [2021-03-26 13:38:56,264 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 411 selfloop transitions, 418 changer transitions 1/844 dead transitions. [2021-03-26 13:38:56,264 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 844 transitions, 31549 flow [2021-03-26 13:38:56,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:38:56,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:38:56,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:38:56,265 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:38:56,265 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:38:56,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:38:56,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:56,265 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:38:56,266 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:56,266 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:56,266 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:56,266 INFO L185 Difference]: Start difference. First operand has 335 places, 726 transitions, 25636 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:38:56,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 844 transitions, 31549 flow [2021-03-26 13:38:58,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 844 transitions, 31006 flow, removed 173 selfloop flow, removed 4 redundant places. [2021-03-26 13:38:58,449 INFO L241 Difference]: Finished difference. Result has 345 places, 751 transitions, 27401 flow [2021-03-26 13:38:58,450 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=25187, PETRI_DIFFERENCE_MINUEND_PLACES=331, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=726, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=393, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=27401, PETRI_PLACES=345, PETRI_TRANSITIONS=751} [2021-03-26 13:38:58,450 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 301 predicate places. [2021-03-26 13:38:58,450 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:58,450 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 345 places, 751 transitions, 27401 flow [2021-03-26 13:38:58,450 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 345 places, 751 transitions, 27401 flow [2021-03-26 13:38:58,458 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 344 places, 751 transitions, 27401 flow [2021-03-26 13:39:00,126 INFO L129 PetriNetUnfolder]: 0/7476 cut-off events. [2021-03-26 13:39:00,126 INFO L130 PetriNetUnfolder]: For 269843/274516 co-relation queries the response was YES. [2021-03-26 13:39:00,126 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44996 conditions, 7476 events. 0/7476 cut-off events. For 269843/274516 co-relation queries the response was YES. Maximal size of possible extension queue 1216. Compared 136725 event pairs, 0 based on Foata normal form. 36/7185 useless extension candidates. Maximal degree in co-relation 0. Up to 852 conditions per place. [2021-03-26 13:39:00,216 INFO L142 LiptonReduction]: Number of co-enabled transitions 4062 [2021-03-26 13:39:00,292 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:00,292 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:00,292 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1842 [2021-03-26 13:39:00,292 INFO L480 AbstractCegarLoop]: Abstraction has has 344 places, 751 transitions, 27401 flow [2021-03-26 13:39:00,292 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:00,292 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:00,293 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 13:39:00,293 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-03-26 13:39:00,293 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:39:00,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:00,293 INFO L82 PathProgramCache]: Analyzing trace with hash -2049714668, now seen corresponding path program 45 times [2021-03-26 13:39:00,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:00,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169268849] [2021-03-26 13:39:00,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:00,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:00,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:00,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:00,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:00,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:00,307 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:39:00,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:39:00,314 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:39:00,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:39:00,324 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:39:00,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:39:00,349 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 13:39:00,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 13:39:00,378 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:39:00,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:39:00,404 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:39:00,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:39:00,425 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 13:39:00,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169268849] [2021-03-26 13:39:00,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:00,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:39:00,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568652354] [2021-03-26 13:39:00,426 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:39:00,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:00,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:39:00,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:39:00,426 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:39:00,427 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 751 transitions, 27401 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:00,427 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:00,427 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:39:00,427 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:04,269 INFO L129 PetriNetUnfolder]: 636/9207 cut-off events. [2021-03-26 13:39:04,269 INFO L130 PetriNetUnfolder]: For 353061/366332 co-relation queries the response was YES. [2021-03-26 13:39:04,331 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67009 conditions, 9207 events. 636/9207 cut-off events. For 353061/366332 co-relation queries the response was YES. Maximal size of possible extension queue 1422. Compared 160372 event pairs, 626 based on Foata normal form. 63/8823 useless extension candidates. Maximal degree in co-relation 66870. Up to 1590 conditions per place. [2021-03-26 13:39:04,351 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 312 selfloop transitions, 486 changer transitions 2/814 dead transitions. [2021-03-26 13:39:04,351 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 814 transitions, 31051 flow [2021-03-26 13:39:04,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:39:04,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:39:04,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:39:04,352 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:39:04,352 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:39:04,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:39:04,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:04,352 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:39:04,353 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:04,353 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:04,353 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:04,353 INFO L185 Difference]: Start difference. First operand has 344 places, 751 transitions, 27401 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:39:04,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 814 transitions, 31051 flow [2021-03-26 13:39:06,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 814 transitions, 30420 flow, removed 113 selfloop flow, removed 3 redundant places. [2021-03-26 13:39:06,576 INFO L241 Difference]: Finished difference. Result has 354 places, 770 transitions, 28677 flow [2021-03-26 13:39:06,577 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=26832, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=751, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=467, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=265, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=28677, PETRI_PLACES=354, PETRI_TRANSITIONS=770} [2021-03-26 13:39:06,577 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 310 predicate places. [2021-03-26 13:39:06,577 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:06,577 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 354 places, 770 transitions, 28677 flow [2021-03-26 13:39:06,577 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 354 places, 770 transitions, 28677 flow [2021-03-26 13:39:06,586 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 353 places, 770 transitions, 28677 flow [2021-03-26 13:39:08,278 INFO L129 PetriNetUnfolder]: 0/7990 cut-off events. [2021-03-26 13:39:08,279 INFO L130 PetriNetUnfolder]: For 298843/303911 co-relation queries the response was YES. [2021-03-26 13:39:08,279 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49141 conditions, 7990 events. 0/7990 cut-off events. For 298843/303911 co-relation queries the response was YES. Maximal size of possible extension queue 1316. Compared 147565 event pairs, 0 based on Foata normal form. 35/7546 useless extension candidates. Maximal degree in co-relation 0. Up to 916 conditions per place. [2021-03-26 13:39:08,351 INFO L142 LiptonReduction]: Number of co-enabled transitions 4218 [2021-03-26 13:39:08,433 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:08,434 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:08,434 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1857 [2021-03-26 13:39:08,434 INFO L480 AbstractCegarLoop]: Abstraction has has 353 places, 770 transitions, 28677 flow [2021-03-26 13:39:08,434 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:08,434 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:08,434 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 13:39:08,434 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-03-26 13:39:08,434 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:39:08,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:08,434 INFO L82 PathProgramCache]: Analyzing trace with hash -759143782, now seen corresponding path program 46 times [2021-03-26 13:39:08,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:08,435 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799414453] [2021-03-26 13:39:08,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:08,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:08,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:08,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:08,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:08,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:08,449 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:39:08,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:39:08,455 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:39:08,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:39:08,468 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:39:08,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:39:08,490 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-03-26 13:39:08,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:39:08,517 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:39:08,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:39:08,539 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:39:08,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:39:08,560 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 13:39:08,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799414453] [2021-03-26 13:39:08,560 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:08,560 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:39:08,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940419493] [2021-03-26 13:39:08,560 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:39:08,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:08,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:39:08,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:39:08,561 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:39:08,561 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 770 transitions, 28677 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:08,561 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:08,561 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:39:08,561 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:12,469 INFO L129 PetriNetUnfolder]: 633/9256 cut-off events. [2021-03-26 13:39:12,469 INFO L130 PetriNetUnfolder]: For 362647/375834 co-relation queries the response was YES. [2021-03-26 13:39:12,532 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68005 conditions, 9256 events. 633/9256 cut-off events. For 362647/375834 co-relation queries the response was YES. Maximal size of possible extension queue 1426. Compared 161487 event pairs, 563 based on Foata normal form. 81/8867 useless extension candidates. Maximal degree in co-relation 67862. Up to 1771 conditions per place. [2021-03-26 13:39:12,551 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 390 selfloop transitions, 498 changer transitions 2/904 dead transitions. [2021-03-26 13:39:12,551 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 361 places, 904 transitions, 35678 flow [2021-03-26 13:39:12,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:39:12,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:39:12,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:39:12,552 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:39:12,552 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:39:12,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:39:12,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:12,552 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:39:12,553 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:12,562 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:12,562 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:12,562 INFO L185 Difference]: Start difference. First operand has 353 places, 770 transitions, 28677 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:39:12,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 361 places, 904 transitions, 35678 flow [2021-03-26 13:39:14,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 904 transitions, 34822 flow, removed 41 selfloop flow, removed 5 redundant places. [2021-03-26 13:39:14,807 INFO L241 Difference]: Finished difference. Result has 362 places, 807 transitions, 31011 flow [2021-03-26 13:39:14,807 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=27861, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=770, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=461, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=31011, PETRI_PLACES=362, PETRI_TRANSITIONS=807} [2021-03-26 13:39:14,808 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 318 predicate places. [2021-03-26 13:39:14,808 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:14,808 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 362 places, 807 transitions, 31011 flow [2021-03-26 13:39:14,808 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 362 places, 807 transitions, 31011 flow [2021-03-26 13:39:14,817 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 361 places, 807 transitions, 31011 flow [2021-03-26 13:39:16,499 INFO L129 PetriNetUnfolder]: 0/8002 cut-off events. [2021-03-26 13:39:16,499 INFO L130 PetriNetUnfolder]: For 317465/322733 co-relation queries the response was YES. [2021-03-26 13:39:16,499 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50484 conditions, 8002 events. 0/8002 cut-off events. For 317465/322733 co-relation queries the response was YES. Maximal size of possible extension queue 1328. Compared 147966 event pairs, 0 based on Foata normal form. 36/7607 useless extension candidates. Maximal degree in co-relation 0. Up to 918 conditions per place. [2021-03-26 13:39:16,573 INFO L142 LiptonReduction]: Number of co-enabled transitions 4556 [2021-03-26 13:39:16,661 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:16,661 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:16,661 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1853 [2021-03-26 13:39:16,661 INFO L480 AbstractCegarLoop]: Abstraction has has 361 places, 807 transitions, 31011 flow [2021-03-26 13:39:16,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:16,662 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:16,662 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 13:39:16,662 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-03-26 13:39:16,662 INFO L428 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:39:16,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:16,662 INFO L82 PathProgramCache]: Analyzing trace with hash -2074043056, now seen corresponding path program 47 times [2021-03-26 13:39:16,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:16,662 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092336272] [2021-03-26 13:39:16,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:16,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:16,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:16,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:16,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:16,675 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:39:16,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:39:16,683 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:39:16,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:39:16,697 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:39:16,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:39:16,712 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:39:16,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:39:16,729 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:39:16,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:39:16,752 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:39:16,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:39:16,773 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 13:39:16,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092336272] [2021-03-26 13:39:16,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:16,773 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:39:16,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971882713] [2021-03-26 13:39:16,773 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:39:16,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:16,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:39:16,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:39:16,774 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:39:16,774 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 807 transitions, 31011 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:16,774 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:16,774 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:39:16,774 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:21,092 INFO L129 PetriNetUnfolder]: 581/9557 cut-off events. [2021-03-26 13:39:21,092 INFO L130 PetriNetUnfolder]: For 391062/404380 co-relation queries the response was YES. [2021-03-26 13:39:21,160 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71256 conditions, 9557 events. 581/9557 cut-off events. For 391062/404380 co-relation queries the response was YES. Maximal size of possible extension queue 1497. Compared 168963 event pairs, 547 based on Foata normal form. 66/9147 useless extension candidates. Maximal degree in co-relation 71109. Up to 1737 conditions per place. [2021-03-26 13:39:21,180 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 459 selfloop transitions, 445 changer transitions 2/920 dead transitions. [2021-03-26 13:39:21,181 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 920 transitions, 37132 flow [2021-03-26 13:39:21,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:39:21,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:39:21,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:39:21,182 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:39:21,182 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:39:21,182 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:39:21,182 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:21,182 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:39:21,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:21,185 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:21,185 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:21,185 INFO L185 Difference]: Start difference. First operand has 361 places, 807 transitions, 31011 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:39:21,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 920 transitions, 37132 flow [2021-03-26 13:39:23,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 920 transitions, 36443 flow, removed 142 selfloop flow, removed 3 redundant places. [2021-03-26 13:39:23,799 INFO L241 Difference]: Finished difference. Result has 371 places, 836 transitions, 32636 flow [2021-03-26 13:39:23,800 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=30352, PETRI_DIFFERENCE_MINUEND_PLACES=358, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=807, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=416, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=32636, PETRI_PLACES=371, PETRI_TRANSITIONS=836} [2021-03-26 13:39:23,800 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 327 predicate places. [2021-03-26 13:39:23,800 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:23,800 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 371 places, 836 transitions, 32636 flow [2021-03-26 13:39:23,800 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 371 places, 836 transitions, 32636 flow [2021-03-26 13:39:23,810 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 370 places, 836 transitions, 32636 flow [2021-03-26 13:39:25,718 INFO L129 PetriNetUnfolder]: 0/8464 cut-off events. [2021-03-26 13:39:25,718 INFO L130 PetriNetUnfolder]: For 345646/352043 co-relation queries the response was YES. [2021-03-26 13:39:25,718 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54424 conditions, 8464 events. 0/8464 cut-off events. For 345646/352043 co-relation queries the response was YES. Maximal size of possible extension queue 1416. Compared 157622 event pairs, 0 based on Foata normal form. 34/7972 useless extension candidates. Maximal degree in co-relation 0. Up to 982 conditions per place. [2021-03-26 13:39:25,801 INFO L142 LiptonReduction]: Number of co-enabled transitions 4738 [2021-03-26 13:39:25,895 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:25,896 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:25,896 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2096 [2021-03-26 13:39:25,896 INFO L480 AbstractCegarLoop]: Abstraction has has 370 places, 836 transitions, 32636 flow [2021-03-26 13:39:25,896 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:25,896 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:25,896 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 13:39:25,896 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-03-26 13:39:25,896 INFO L428 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:39:25,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:25,897 INFO L82 PathProgramCache]: Analyzing trace with hash 678417136, now seen corresponding path program 48 times [2021-03-26 13:39:25,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:25,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176184643] [2021-03-26 13:39:25,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:25,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:25,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:25,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:25,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:25,909 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:39:25,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:39:25,915 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:39:25,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:39:25,925 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:39:25,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:39:25,937 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:39:25,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:39:25,954 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:39:25,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:39:25,978 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:39:25,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:39:25,999 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 13:39:25,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176184643] [2021-03-26 13:39:25,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:25,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:39:26,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370145124] [2021-03-26 13:39:26,000 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:39:26,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:26,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:39:26,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:39:26,000 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:39:26,001 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 836 transitions, 32636 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:26,001 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:26,001 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:39:26,001 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:30,641 INFO L129 PetriNetUnfolder]: 547/9861 cut-off events. [2021-03-26 13:39:30,641 INFO L130 PetriNetUnfolder]: For 410426/423751 co-relation queries the response was YES. [2021-03-26 13:39:30,711 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73749 conditions, 9861 events. 547/9861 cut-off events. For 410426/423751 co-relation queries the response was YES. Maximal size of possible extension queue 1553. Compared 176043 event pairs, 547 based on Foata normal form. 66/9412 useless extension candidates. Maximal degree in co-relation 73598. Up to 1687 conditions per place. [2021-03-26 13:39:30,731 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 394 selfloop transitions, 503 changer transitions 3/914 dead transitions. [2021-03-26 13:39:30,731 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 914 transitions, 37156 flow [2021-03-26 13:39:30,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:39:30,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:39:30,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:39:30,732 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:39:30,732 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:39:30,732 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:39:30,732 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:30,732 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:39:30,733 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:30,733 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:30,733 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:30,733 INFO L185 Difference]: Start difference. First operand has 370 places, 836 transitions, 32636 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:39:30,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 914 transitions, 37156 flow [2021-03-26 13:39:33,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 914 transitions, 36625 flow, removed 61 selfloop flow, removed 4 redundant places. [2021-03-26 13:39:33,545 INFO L241 Difference]: Finished difference. Result has 379 places, 864 transitions, 34416 flow [2021-03-26 13:39:33,546 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=32123, PETRI_DIFFERENCE_MINUEND_PLACES=366, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=836, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=475, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=34416, PETRI_PLACES=379, PETRI_TRANSITIONS=864} [2021-03-26 13:39:33,546 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 335 predicate places. [2021-03-26 13:39:33,546 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:33,546 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 379 places, 864 transitions, 34416 flow [2021-03-26 13:39:33,546 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 379 places, 864 transitions, 34416 flow [2021-03-26 13:39:33,556 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 378 places, 864 transitions, 34416 flow [2021-03-26 13:39:35,489 INFO L129 PetriNetUnfolder]: 0/8832 cut-off events. [2021-03-26 13:39:35,489 INFO L130 PetriNetUnfolder]: For 373860/380220 co-relation queries the response was YES. [2021-03-26 13:39:35,489 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58011 conditions, 8832 events. 0/8832 cut-off events. For 373860/380220 co-relation queries the response was YES. Maximal size of possible extension queue 1477. Compared 165501 event pairs, 0 based on Foata normal form. 34/8325 useless extension candidates. Maximal degree in co-relation 0. Up to 1027 conditions per place. [2021-03-26 13:39:35,580 INFO L142 LiptonReduction]: Number of co-enabled transitions 4956 [2021-03-26 13:39:35,682 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:35,682 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:35,682 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2136 [2021-03-26 13:39:35,683 INFO L480 AbstractCegarLoop]: Abstraction has has 378 places, 864 transitions, 34416 flow [2021-03-26 13:39:35,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:35,683 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:35,683 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 13:39:35,683 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-03-26 13:39:35,683 INFO L428 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:39:35,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:35,683 INFO L82 PathProgramCache]: Analyzing trace with hash -1892064860, now seen corresponding path program 49 times [2021-03-26 13:39:35,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:35,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586648144] [2021-03-26 13:39:35,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:35,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:35,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:35,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:35,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:35,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:35,696 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:39:35,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:39:35,703 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:39:35,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:39:35,712 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:39:35,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:39:35,725 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:39:35,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:39:35,743 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:39:35,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:39:35,769 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:39:35,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:39:35,791 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 13:39:35,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586648144] [2021-03-26 13:39:35,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:35,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:39:35,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064094442] [2021-03-26 13:39:35,791 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:39:35,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:35,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:39:35,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:39:35,792 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:39:35,792 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 864 transitions, 34416 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:35,792 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:35,792 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:39:35,792 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:40,532 INFO L129 PetriNetUnfolder]: 547/9870 cut-off events. [2021-03-26 13:39:40,532 INFO L130 PetriNetUnfolder]: For 425794/439125 co-relation queries the response was YES. [2021-03-26 13:39:40,604 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74884 conditions, 9870 events. 547/9870 cut-off events. For 425794/439125 co-relation queries the response was YES. Maximal size of possible extension queue 1551. Compared 176352 event pairs, 523 based on Foata normal form. 84/9454 useless extension candidates. Maximal degree in co-relation 74730. Up to 1828 conditions per place. [2021-03-26 13:39:40,625 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 429 selfloop transitions, 539 changer transitions 1/983 dead transitions. [2021-03-26 13:39:40,625 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 983 transitions, 41062 flow [2021-03-26 13:39:40,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:39:40,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:39:40,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:39:40,626 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:39:40,626 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:39:40,626 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:39:40,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:40,626 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:39:40,627 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:40,627 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:40,627 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:40,627 INFO L185 Difference]: Start difference. First operand has 378 places, 864 transitions, 34416 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:39:40,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 983 transitions, 41062 flow [2021-03-26 13:39:43,621 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 983 transitions, 40567 flow, removed 40 selfloop flow, removed 5 redundant places. [2021-03-26 13:39:43,642 INFO L241 Difference]: Finished difference. Result has 386 places, 893 transitions, 36583 flow [2021-03-26 13:39:43,642 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=33935, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=864, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=510, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=36583, PETRI_PLACES=386, PETRI_TRANSITIONS=893} [2021-03-26 13:39:43,642 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 342 predicate places. [2021-03-26 13:39:43,642 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:43,642 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 386 places, 893 transitions, 36583 flow [2021-03-26 13:39:43,642 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 386 places, 893 transitions, 36583 flow [2021-03-26 13:39:43,652 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 385 places, 893 transitions, 36583 flow [2021-03-26 13:39:45,635 INFO L129 PetriNetUnfolder]: 0/8825 cut-off events. [2021-03-26 13:39:45,635 INFO L130 PetriNetUnfolder]: For 394359/400710 co-relation queries the response was YES. [2021-03-26 13:39:45,635 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59297 conditions, 8825 events. 0/8825 cut-off events. For 394359/400710 co-relation queries the response was YES. Maximal size of possible extension queue 1476. Compared 165514 event pairs, 0 based on Foata normal form. 34/8367 useless extension candidates. Maximal degree in co-relation 0. Up to 1026 conditions per place. [2021-03-26 13:39:45,721 INFO L142 LiptonReduction]: Number of co-enabled transitions 5240 [2021-03-26 13:39:45,826 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:45,826 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:45,826 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2184 [2021-03-26 13:39:45,827 INFO L480 AbstractCegarLoop]: Abstraction has has 385 places, 893 transitions, 36583 flow [2021-03-26 13:39:45,827 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:45,827 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:45,827 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 13:39:45,827 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-03-26 13:39:45,827 INFO L428 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:39:45,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:45,827 INFO L82 PathProgramCache]: Analyzing trace with hash 468623204, now seen corresponding path program 50 times [2021-03-26 13:39:45,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:45,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89987926] [2021-03-26 13:39:45,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:45,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:45,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:45,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:45,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:45,839 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:39:45,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:39:45,845 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:39:45,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:39:45,855 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:39:45,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:39:45,868 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:39:45,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:39:45,885 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:39:45,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:39:45,911 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:39:45,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:39:45,931 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 13:39:45,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89987926] [2021-03-26 13:39:45,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:45,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:39:45,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534861404] [2021-03-26 13:39:45,932 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:39:45,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:45,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:39:45,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:39:45,932 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:39:45,932 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 893 transitions, 36583 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:45,932 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:45,932 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:39:45,933 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:50,870 INFO L129 PetriNetUnfolder]: 547/9863 cut-off events. [2021-03-26 13:39:50,870 INFO L130 PetriNetUnfolder]: For 444311/457625 co-relation queries the response was YES. [2021-03-26 13:39:50,943 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76192 conditions, 9863 events. 547/9863 cut-off events. For 444311/457625 co-relation queries the response was YES. Maximal size of possible extension queue 1550. Compared 176154 event pairs, 523 based on Foata normal form. 84/9453 useless extension candidates. Maximal degree in co-relation 76036. Up to 1828 conditions per place. [2021-03-26 13:39:50,963 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 396 selfloop transitions, 542 changer transitions 1/953 dead transitions. [2021-03-26 13:39:50,963 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 953 transitions, 40695 flow [2021-03-26 13:39:50,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:39:50,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:39:50,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:39:50,964 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:39:50,964 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:39:50,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:39:50,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:50,965 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:39:50,965 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:50,965 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:50,966 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:50,966 INFO L185 Difference]: Start difference. First operand has 385 places, 893 transitions, 36583 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:39:50,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 953 transitions, 40695 flow [2021-03-26 13:39:54,180 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 953 transitions, 39791 flow, removed 55 selfloop flow, removed 4 redundant places. [2021-03-26 13:39:54,202 INFO L241 Difference]: Finished difference. Result has 392 places, 944 transitions, 39198 flow [2021-03-26 13:39:54,202 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=35695, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=893, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=490, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=39198, PETRI_PLACES=392, PETRI_TRANSITIONS=944} [2021-03-26 13:39:54,202 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 348 predicate places. [2021-03-26 13:39:54,202 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:54,202 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 392 places, 944 transitions, 39198 flow [2021-03-26 13:39:54,202 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 392 places, 944 transitions, 39198 flow [2021-03-26 13:39:54,213 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 391 places, 944 transitions, 39198 flow [2021-03-26 13:39:56,316 INFO L129 PetriNetUnfolder]: 0/8821 cut-off events. [2021-03-26 13:39:56,316 INFO L130 PetriNetUnfolder]: For 400505/405590 co-relation queries the response was YES. [2021-03-26 13:39:56,316 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59961 conditions, 8821 events. 0/8821 cut-off events. For 400505/405590 co-relation queries the response was YES. Maximal size of possible extension queue 1475. Compared 165418 event pairs, 0 based on Foata normal form. 48/8367 useless extension candidates. Maximal degree in co-relation 0. Up to 1025 conditions per place. [2021-03-26 13:39:56,414 INFO L142 LiptonReduction]: Number of co-enabled transitions 5490 [2021-03-26 13:39:56,539 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:56,540 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:56,540 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2338 [2021-03-26 13:39:56,540 INFO L480 AbstractCegarLoop]: Abstraction has has 391 places, 944 transitions, 39198 flow [2021-03-26 13:39:56,540 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:56,540 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:56,540 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 13:39:56,540 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-03-26 13:39:56,540 INFO L428 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:39:56,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:56,540 INFO L82 PathProgramCache]: Analyzing trace with hash -1052512950, now seen corresponding path program 51 times [2021-03-26 13:39:56,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:56,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105229203] [2021-03-26 13:39:56,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:56,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:56,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:56,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:56,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:56,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:56,555 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:39:56,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:39:56,561 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:39:56,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:39:56,570 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:39:56,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:39:56,584 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:39:56,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:39:56,605 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 13:39:56,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:39:56,629 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:39:56,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:39:56,652 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 13:39:56,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105229203] [2021-03-26 13:39:56,652 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:56,652 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:39:56,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968636379] [2021-03-26 13:39:56,653 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:39:56,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:56,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:39:56,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:39:56,653 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:39:56,653 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 944 transitions, 39198 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:56,653 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:56,654 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:39:56,654 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:40:01,787 INFO L129 PetriNetUnfolder]: 547/9859 cut-off events. [2021-03-26 13:40:01,787 INFO L130 PetriNetUnfolder]: For 453472/466786 co-relation queries the response was YES. [2021-03-26 13:40:01,867 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76854 conditions, 9859 events. 547/9859 cut-off events. For 453472/466786 co-relation queries the response was YES. Maximal size of possible extension queue 1549. Compared 176133 event pairs, 523 based on Foata normal form. 84/9449 useless extension candidates. Maximal degree in co-relation 76696. Up to 1828 conditions per place. [2021-03-26 13:40:01,892 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 393 selfloop transitions, 543 changer transitions 2/952 dead transitions. [2021-03-26 13:40:01,892 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 952 transitions, 41197 flow [2021-03-26 13:40:01,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:40:01,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:40:01,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:40:01,893 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:40:01,893 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:40:01,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:40:01,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:40:01,893 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:40:01,894 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:01,894 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:01,894 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:01,894 INFO L185 Difference]: Start difference. First operand has 391 places, 944 transitions, 39198 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:40:01,894 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 952 transitions, 41197 flow [2021-03-26 13:40:05,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 952 transitions, 40301 flow, removed 51 selfloop flow, removed 4 redundant places. [2021-03-26 13:40:05,348 INFO L241 Difference]: Finished difference. Result has 396 places, 942 transitions, 39300 flow [2021-03-26 13:40:05,348 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=38312, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=944, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=543, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=401, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=39300, PETRI_PLACES=396, PETRI_TRANSITIONS=942} [2021-03-26 13:40:05,348 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 352 predicate places. [2021-03-26 13:40:05,348 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:40:05,348 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 396 places, 942 transitions, 39300 flow [2021-03-26 13:40:05,349 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 396 places, 942 transitions, 39300 flow [2021-03-26 13:40:05,360 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 395 places, 942 transitions, 39300 flow [2021-03-26 13:40:07,441 INFO L129 PetriNetUnfolder]: 0/8815 cut-off events. [2021-03-26 13:40:07,441 INFO L130 PetriNetUnfolder]: For 400332/405419 co-relation queries the response was YES. [2021-03-26 13:40:07,442 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60269 conditions, 8815 events. 0/8815 cut-off events. For 400332/405419 co-relation queries the response was YES. Maximal size of possible extension queue 1474. Compared 165165 event pairs, 0 based on Foata normal form. 47/8364 useless extension candidates. Maximal degree in co-relation 0. Up to 1024 conditions per place. [2021-03-26 13:40:07,537 INFO L142 LiptonReduction]: Number of co-enabled transitions 5468 [2021-03-26 13:40:07,661 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:40:07,661 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:40:07,661 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2313 [2021-03-26 13:40:07,661 INFO L480 AbstractCegarLoop]: Abstraction has has 395 places, 942 transitions, 39300 flow [2021-03-26 13:40:07,661 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:07,661 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:40:07,661 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 13:40:07,661 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-03-26 13:40:07,661 INFO L428 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:40:07,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:40:07,662 INFO L82 PathProgramCache]: Analyzing trace with hash 846540994, now seen corresponding path program 52 times [2021-03-26 13:40:07,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:40:07,662 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923101043] [2021-03-26 13:40:07,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:40:07,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:40:07,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:07,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:40:07,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:07,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:40:07,674 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:40:07,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:40:07,681 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:40:07,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:40:07,691 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:40:07,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:40:07,704 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:40:07,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:40:07,721 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:40:07,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:40:07,743 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:40:07,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:40:07,765 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 13:40:07,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923101043] [2021-03-26 13:40:07,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:40:07,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:40:07,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007409002] [2021-03-26 13:40:07,765 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:40:07,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:40:07,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:40:07,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:40:07,766 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:40:07,766 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 942 transitions, 39300 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:07,766 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:40:07,766 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:40:07,766 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:40:12,943 INFO L129 PetriNetUnfolder]: 547/9853 cut-off events. [2021-03-26 13:40:12,943 INFO L130 PetriNetUnfolder]: For 451081/464395 co-relation queries the response was YES. [2021-03-26 13:40:13,028 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77183 conditions, 9853 events. 547/9853 cut-off events. For 451081/464395 co-relation queries the response was YES. Maximal size of possible extension queue 1548. Compared 175989 event pairs, 523 based on Foata normal form. 84/9444 useless extension candidates. Maximal degree in co-relation 77025. Up to 1828 conditions per place. [2021-03-26 13:40:13,050 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 393 selfloop transitions, 542 changer transitions 1/950 dead transitions. [2021-03-26 13:40:13,050 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 950 transitions, 41295 flow [2021-03-26 13:40:13,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:40:13,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:40:13,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:40:13,051 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:40:13,051 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:40:13,051 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:40:13,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:40:13,052 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:40:13,052 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:13,053 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:13,053 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:13,053 INFO L185 Difference]: Start difference. First operand has 395 places, 942 transitions, 39300 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:40:13,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 950 transitions, 41295 flow [2021-03-26 13:40:16,370 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 950 transitions, 40202 flow, removed 56 selfloop flow, removed 5 redundant places. [2021-03-26 13:40:16,393 INFO L241 Difference]: Finished difference. Result has 399 places, 941 transitions, 39247 flow [2021-03-26 13:40:16,394 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=38217, PETRI_DIFFERENCE_MINUEND_PLACES=390, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=942, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=542, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=400, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=39247, PETRI_PLACES=399, PETRI_TRANSITIONS=941} [2021-03-26 13:40:16,394 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 355 predicate places. [2021-03-26 13:40:16,394 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:40:16,394 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 399 places, 941 transitions, 39247 flow [2021-03-26 13:40:16,394 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 399 places, 941 transitions, 39247 flow [2021-03-26 13:40:16,406 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 398 places, 941 transitions, 39247 flow [2021-03-26 13:40:18,414 INFO L129 PetriNetUnfolder]: 0/8810 cut-off events. [2021-03-26 13:40:18,414 INFO L130 PetriNetUnfolder]: For 396451/401524 co-relation queries the response was YES. [2021-03-26 13:40:18,414 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60300 conditions, 8810 events. 0/8810 cut-off events. For 396451/401524 co-relation queries the response was YES. Maximal size of possible extension queue 1473. Compared 165302 event pairs, 0 based on Foata normal form. 47/8380 useless extension candidates. Maximal degree in co-relation 0. Up to 1023 conditions per place. [2021-03-26 13:40:18,510 INFO L142 LiptonReduction]: Number of co-enabled transitions 5460 [2021-03-26 13:40:18,626 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:40:18,627 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:40:18,627 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2233 [2021-03-26 13:40:18,627 INFO L480 AbstractCegarLoop]: Abstraction has has 398 places, 941 transitions, 39247 flow [2021-03-26 13:40:18,627 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:18,627 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:40:18,627 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 13:40:18,627 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-03-26 13:40:18,627 INFO L428 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:40:18,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:40:18,627 INFO L82 PathProgramCache]: Analyzing trace with hash 1924882556, now seen corresponding path program 53 times [2021-03-26 13:40:18,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:40:18,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663635241] [2021-03-26 13:40:18,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:40:18,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:40:18,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:18,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:40:18,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:18,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:40:18,640 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:40:18,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:40:18,646 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:40:18,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:40:18,655 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:40:18,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:40:18,675 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-03-26 13:40:18,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:40:18,701 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:40:18,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:40:18,727 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:40:18,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:40:18,751 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 13:40:18,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663635241] [2021-03-26 13:40:18,751 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:40:18,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:40:18,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436652410] [2021-03-26 13:40:18,752 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:40:18,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:40:18,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:40:18,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:40:18,752 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:40:18,752 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 941 transitions, 39247 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:18,752 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:40:18,752 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:40:18,753 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:40:23,755 INFO L129 PetriNetUnfolder]: 547/9848 cut-off events. [2021-03-26 13:40:23,755 INFO L130 PetriNetUnfolder]: For 449094/462408 co-relation queries the response was YES. [2021-03-26 13:40:23,832 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77212 conditions, 9848 events. 547/9848 cut-off events. For 449094/462408 co-relation queries the response was YES. Maximal size of possible extension queue 1547. Compared 175824 event pairs, 523 based on Foata normal form. 84/9440 useless extension candidates. Maximal degree in co-relation 77054. Up to 1828 conditions per place. [2021-03-26 13:40:23,853 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 421 selfloop transitions, 535 changer transitions 2/972 dead transitions. [2021-03-26 13:40:23,854 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 972 transitions, 42414 flow [2021-03-26 13:40:23,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:40:23,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:40:23,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:40:23,855 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:40:23,855 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:40:23,855 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:40:23,855 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:40:23,855 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:40:23,855 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:23,856 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:23,856 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:23,856 INFO L185 Difference]: Start difference. First operand has 398 places, 941 transitions, 39247 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:40:23,856 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 972 transitions, 42414 flow [2021-03-26 13:40:27,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 972 transitions, 41608 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 13:40:27,242 INFO L241 Difference]: Finished difference. Result has 404 places, 945 transitions, 39759 flow [2021-03-26 13:40:27,243 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=38451, PETRI_DIFFERENCE_MINUEND_PLACES=394, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=941, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=530, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=406, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=39759, PETRI_PLACES=404, PETRI_TRANSITIONS=945} [2021-03-26 13:40:27,243 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 360 predicate places. [2021-03-26 13:40:27,243 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:40:27,243 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 404 places, 945 transitions, 39759 flow [2021-03-26 13:40:27,243 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 404 places, 945 transitions, 39759 flow [2021-03-26 13:40:27,254 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 403 places, 945 transitions, 39759 flow [2021-03-26 13:40:29,261 INFO L129 PetriNetUnfolder]: 0/8802 cut-off events. [2021-03-26 13:40:29,261 INFO L130 PetriNetUnfolder]: For 401112/407495 co-relation queries the response was YES. [2021-03-26 13:40:29,261 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60813 conditions, 8802 events. 0/8802 cut-off events. For 401112/407495 co-relation queries the response was YES. Maximal size of possible extension queue 1483. Compared 164913 event pairs, 0 based on Foata normal form. 46/8351 useless extension candidates. Maximal degree in co-relation 0. Up to 1022 conditions per place. [2021-03-26 13:40:29,353 INFO L142 LiptonReduction]: Number of co-enabled transitions 5470 [2021-03-26 13:40:29,471 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:40:29,471 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:40:29,471 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2228 [2021-03-26 13:40:29,471 INFO L480 AbstractCegarLoop]: Abstraction has has 403 places, 945 transitions, 39759 flow [2021-03-26 13:40:29,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:29,472 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:40:29,472 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 13:40:29,472 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-03-26 13:40:29,472 INFO L428 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:40:29,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:40:29,472 INFO L82 PathProgramCache]: Analyzing trace with hash 935046624, now seen corresponding path program 54 times [2021-03-26 13:40:29,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:40:29,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516891547] [2021-03-26 13:40:29,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:40:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:40:29,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:29,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:40:29,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:29,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:40:29,485 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:40:29,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:40:29,491 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:40:29,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:40:29,503 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:40:29,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:40:29,525 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:40:29,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:40:29,543 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 13:40:29,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:40:29,567 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:40:29,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:40:29,589 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 13:40:29,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516891547] [2021-03-26 13:40:29,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:40:29,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:40:29,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251955041] [2021-03-26 13:40:29,589 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:40:29,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:40:29,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:40:29,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:40:29,590 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:40:29,590 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 945 transitions, 39759 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:29,590 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:40:29,590 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:40:29,590 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:40:34,498 INFO L129 PetriNetUnfolder]: 547/9840 cut-off events. [2021-03-26 13:40:34,498 INFO L130 PetriNetUnfolder]: For 451003/464317 co-relation queries the response was YES. [2021-03-26 13:40:34,576 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77746 conditions, 9840 events. 547/9840 cut-off events. For 451003/464317 co-relation queries the response was YES. Maximal size of possible extension queue 1545. Compared 175674 event pairs, 523 based on Foata normal form. 84/9432 useless extension candidates. Maximal degree in co-relation 77587. Up to 1828 conditions per place. [2021-03-26 13:40:34,598 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 417 selfloop transitions, 538 changer transitions 1/970 dead transitions. [2021-03-26 13:40:34,598 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 970 transitions, 42633 flow [2021-03-26 13:40:34,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:40:34,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:40:34,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:40:34,599 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:40:34,599 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:40:34,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:40:34,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:40:34,599 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:40:34,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:34,600 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:34,601 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:34,601 INFO L185 Difference]: Start difference. First operand has 403 places, 945 transitions, 39759 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:40:34,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 411 places, 970 transitions, 42633 flow [2021-03-26 13:40:38,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 405 places, 970 transitions, 41573 flow, removed 9 selfloop flow, removed 6 redundant places. [2021-03-26 13:40:38,054 INFO L241 Difference]: Finished difference. Result has 407 places, 961 transitions, 40682 flow [2021-03-26 13:40:38,054 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=38709, PETRI_DIFFERENCE_MINUEND_PLACES=397, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=945, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=521, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=407, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=40682, PETRI_PLACES=407, PETRI_TRANSITIONS=961} [2021-03-26 13:40:38,055 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 363 predicate places. [2021-03-26 13:40:38,055 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:40:38,055 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 407 places, 961 transitions, 40682 flow [2021-03-26 13:40:38,055 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 407 places, 961 transitions, 40682 flow [2021-03-26 13:40:38,075 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 406 places, 961 transitions, 40682 flow [2021-03-26 13:40:40,031 INFO L129 PetriNetUnfolder]: 0/8799 cut-off events. [2021-03-26 13:40:40,032 INFO L130 PetriNetUnfolder]: For 405336/411719 co-relation queries the response was YES. [2021-03-26 13:40:40,032 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60879 conditions, 8799 events. 0/8799 cut-off events. For 405336/411719 co-relation queries the response was YES. Maximal size of possible extension queue 1470. Compared 164906 event pairs, 0 based on Foata normal form. 46/8336 useless extension candidates. Maximal degree in co-relation 0. Up to 1022 conditions per place. [2021-03-26 13:40:40,122 INFO L142 LiptonReduction]: Number of co-enabled transitions 5538 [2021-03-26 13:40:40,243 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:40:40,243 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:40:40,244 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2189 [2021-03-26 13:40:40,244 INFO L480 AbstractCegarLoop]: Abstraction has has 406 places, 961 transitions, 40682 flow [2021-03-26 13:40:40,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:40,244 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:40:40,244 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 13:40:40,244 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-03-26 13:40:40,244 INFO L428 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:40:40,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:40:40,244 INFO L82 PathProgramCache]: Analyzing trace with hash -69232374, now seen corresponding path program 55 times [2021-03-26 13:40:40,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:40:40,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708314778] [2021-03-26 13:40:40,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:40:40,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:40:40,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:40,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:40:40,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:40,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:40:40,257 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:40:40,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:40:40,263 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:40:40,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:40:40,273 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:40:40,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:40:40,287 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:40:40,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:40:40,304 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:40:40,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:40:40,328 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:40:40,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:40:40,350 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 13:40:40,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708314778] [2021-03-26 13:40:40,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:40:40,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:40:40,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949747161] [2021-03-26 13:40:40,351 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:40:40,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:40:40,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:40:40,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:40:40,351 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:40:40,352 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 961 transitions, 40682 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:40,352 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:40:40,352 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:40:40,352 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:40:45,343 INFO L129 PetriNetUnfolder]: 547/9837 cut-off events. [2021-03-26 13:40:45,343 INFO L130 PetriNetUnfolder]: For 453649/466958 co-relation queries the response was YES. [2021-03-26 13:40:45,421 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77810 conditions, 9837 events. 547/9837 cut-off events. For 453649/466958 co-relation queries the response was YES. Maximal size of possible extension queue 1544. Compared 175636 event pairs, 523 based on Foata normal form. 82/9427 useless extension candidates. Maximal degree in co-relation 77650. Up to 1828 conditions per place. [2021-03-26 13:40:45,444 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 393 selfloop transitions, 561 changer transitions 1/969 dead transitions. [2021-03-26 13:40:45,445 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 969 transitions, 42715 flow [2021-03-26 13:40:45,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:40:45,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:40:45,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:40:45,446 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:40:45,446 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:40:45,446 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:40:45,446 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:40:45,446 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:40:45,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:45,447 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:45,447 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:45,447 INFO L185 Difference]: Start difference. First operand has 406 places, 961 transitions, 40682 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:40:45,447 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 969 transitions, 42715 flow [2021-03-26 13:40:49,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 969 transitions, 41706 flow, removed 18 selfloop flow, removed 5 redundant places. [2021-03-26 13:40:49,291 INFO L241 Difference]: Finished difference. Result has 410 places, 960 transitions, 40753 flow [2021-03-26 13:40:49,292 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=39683, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=961, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=561, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=400, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=40753, PETRI_PLACES=410, PETRI_TRANSITIONS=960} [2021-03-26 13:40:49,292 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 366 predicate places. [2021-03-26 13:40:49,292 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:40:49,292 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 410 places, 960 transitions, 40753 flow [2021-03-26 13:40:49,292 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 410 places, 960 transitions, 40753 flow [2021-03-26 13:40:49,303 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 409 places, 960 transitions, 40753 flow [2021-03-26 13:40:51,322 INFO L129 PetriNetUnfolder]: 0/8794 cut-off events. [2021-03-26 13:40:51,323 INFO L130 PetriNetUnfolder]: For 403451/409634 co-relation queries the response was YES. [2021-03-26 13:40:51,323 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61001 conditions, 8794 events. 0/8794 cut-off events. For 403451/409634 co-relation queries the response was YES. Maximal size of possible extension queue 1469. Compared 164806 event pairs, 0 based on Foata normal form. 47/8344 useless extension candidates. Maximal degree in co-relation 0. Up to 1021 conditions per place. [2021-03-26 13:40:51,413 INFO L142 LiptonReduction]: Number of co-enabled transitions 5530 [2021-03-26 13:40:51,538 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:40:51,538 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:40:51,539 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2247 [2021-03-26 13:40:51,539 INFO L480 AbstractCegarLoop]: Abstraction has has 409 places, 960 transitions, 40753 flow [2021-03-26 13:40:51,539 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:51,539 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:40:51,539 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 13:40:51,539 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-03-26 13:40:51,539 INFO L428 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:40:51,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:40:51,539 INFO L82 PathProgramCache]: Analyzing trace with hash -551361924, now seen corresponding path program 56 times [2021-03-26 13:40:51,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:40:51,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449474094] [2021-03-26 13:40:51,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:40:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:40:51,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:51,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:40:51,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:51,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:40:51,552 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:40:51,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:40:51,558 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:40:51,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:40:51,568 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:40:51,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:40:51,581 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:40:51,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:40:51,600 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:40:51,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:40:51,622 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:40:51,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:40:51,644 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 13:40:51,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449474094] [2021-03-26 13:40:51,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:40:51,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:40:51,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357167011] [2021-03-26 13:40:51,645 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:40:51,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:40:51,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:40:51,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:40:51,645 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:40:51,645 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 960 transitions, 40753 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:51,645 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:40:51,645 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:40:51,646 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:40:56,648 INFO L129 PetriNetUnfolder]: 547/9832 cut-off events. [2021-03-26 13:40:56,649 INFO L130 PetriNetUnfolder]: For 453463/466772 co-relation queries the response was YES. [2021-03-26 13:40:56,731 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77930 conditions, 9832 events. 547/9832 cut-off events. For 453463/466772 co-relation queries the response was YES. Maximal size of possible extension queue 1543. Compared 175499 event pairs, 523 based on Foata normal form. 82/9423 useless extension candidates. Maximal degree in co-relation 77770. Up to 1828 conditions per place. [2021-03-26 13:40:56,754 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 392 selfloop transitions, 561 changer transitions 1/968 dead transitions. [2021-03-26 13:40:56,754 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 968 transitions, 42784 flow [2021-03-26 13:40:56,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:40:56,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:40:56,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:40:56,756 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:40:56,756 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:40:56,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:40:56,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:40:56,756 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:40:56,756 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:56,757 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:56,757 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:56,757 INFO L185 Difference]: Start difference. First operand has 409 places, 960 transitions, 40753 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:40:56,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 968 transitions, 42784 flow [2021-03-26 13:41:00,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 968 transitions, 41673 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-26 13:41:00,521 INFO L241 Difference]: Finished difference. Result has 412 places, 959 transitions, 40717 flow [2021-03-26 13:41:00,521 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=39652, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=960, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=561, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=40717, PETRI_PLACES=412, PETRI_TRANSITIONS=959} [2021-03-26 13:41:00,521 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 368 predicate places. [2021-03-26 13:41:00,521 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:41:00,521 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 412 places, 959 transitions, 40717 flow [2021-03-26 13:41:00,521 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 412 places, 959 transitions, 40717 flow [2021-03-26 13:41:00,533 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 411 places, 959 transitions, 40717 flow [2021-03-26 13:41:02,840 INFO L129 PetriNetUnfolder]: 0/8790 cut-off events. [2021-03-26 13:41:02,840 INFO L130 PetriNetUnfolder]: For 402999/408084 co-relation queries the response was YES. [2021-03-26 13:41:02,840 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61001 conditions, 8790 events. 0/8790 cut-off events. For 402999/408084 co-relation queries the response was YES. Maximal size of possible extension queue 1468. Compared 164803 event pairs, 0 based on Foata normal form. 48/8363 useless extension candidates. Maximal degree in co-relation 0. Up to 1020 conditions per place. [2021-03-26 13:41:02,918 INFO L142 LiptonReduction]: Number of co-enabled transitions 5520 [2021-03-26 13:41:03,037 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:41:03,037 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:41:03,037 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2516 [2021-03-26 13:41:03,037 INFO L480 AbstractCegarLoop]: Abstraction has has 411 places, 959 transitions, 40717 flow [2021-03-26 13:41:03,038 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:41:03,038 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:41:03,038 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 13:41:03,038 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-03-26 13:41:03,038 INFO L428 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:41:03,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:41:03,038 INFO L82 PathProgramCache]: Analyzing trace with hash -1169664100, now seen corresponding path program 57 times [2021-03-26 13:41:03,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:41:03,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236276454] [2021-03-26 13:41:03,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:41:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:41:03,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:03,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:41:03,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:03,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:41:03,050 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:41:03,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:41:03,056 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:41:03,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:41:03,066 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:41:03,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:41:03,079 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:41:03,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:41:03,097 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 13:41:03,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:41:03,120 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:41:03,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:41:03,151 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 13:41:03,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236276454] [2021-03-26 13:41:03,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:41:03,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:41:03,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155767152] [2021-03-26 13:41:03,151 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:41:03,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:41:03,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:41:03,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:41:03,152 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:41:03,153 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 959 transitions, 40717 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:41:03,153 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:41:03,153 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:41:03,153 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:41:08,270 INFO L129 PetriNetUnfolder]: 547/9828 cut-off events. [2021-03-26 13:41:08,271 INFO L130 PetriNetUnfolder]: For 453259/466573 co-relation queries the response was YES. [2021-03-26 13:41:08,347 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77928 conditions, 9828 events. 547/9828 cut-off events. For 453259/466573 co-relation queries the response was YES. Maximal size of possible extension queue 1542. Compared 175420 event pairs, 523 based on Foata normal form. 84/9422 useless extension candidates. Maximal degree in co-relation 77768. Up to 1828 conditions per place. [2021-03-26 13:41:08,369 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 391 selfloop transitions, 559 changer transitions 3/967 dead transitions. [2021-03-26 13:41:08,369 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 419 places, 967 transitions, 42746 flow [2021-03-26 13:41:08,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:41:08,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:41:08,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:41:08,370 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:41:08,370 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:41:08,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:41:08,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:41:08,370 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:41:08,371 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:41:08,371 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:41:08,371 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:41:08,371 INFO L185 Difference]: Start difference. First operand has 411 places, 959 transitions, 40717 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:41:08,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 419 places, 967 transitions, 42746 flow [2021-03-26 13:41:11,777 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 967 transitions, 41947 flow, removed 33 selfloop flow, removed 5 redundant places. [2021-03-26 13:41:11,799 INFO L241 Difference]: Finished difference. Result has 415 places, 956 transitions, 40886 flow [2021-03-26 13:41:11,800 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=39928, PETRI_DIFFERENCE_MINUEND_PLACES=406, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=959, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=559, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=400, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=40886, PETRI_PLACES=415, PETRI_TRANSITIONS=956} [2021-03-26 13:41:11,800 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 371 predicate places. [2021-03-26 13:41:11,800 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:41:11,800 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 415 places, 956 transitions, 40886 flow [2021-03-26 13:41:11,800 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 415 places, 956 transitions, 40886 flow [2021-03-26 13:41:11,811 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 414 places, 956 transitions, 40886 flow [2021-03-26 13:41:13,712 INFO L129 PetriNetUnfolder]: 0/8773 cut-off events. [2021-03-26 13:41:13,712 INFO L130 PetriNetUnfolder]: For 400343/405633 co-relation queries the response was YES. [2021-03-26 13:41:13,713 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61147 conditions, 8773 events. 0/8773 cut-off events. For 400343/405633 co-relation queries the response was YES. Maximal size of possible extension queue 1466. Compared 164407 event pairs, 0 based on Foata normal form. 47/8314 useless extension candidates. Maximal degree in co-relation 0. Up to 1019 conditions per place. [2021-03-26 13:41:13,802 INFO L142 LiptonReduction]: Number of co-enabled transitions 5484 [2021-03-26 13:41:13,917 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:41:13,917 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:41:13,917 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2117 [2021-03-26 13:41:13,918 INFO L480 AbstractCegarLoop]: Abstraction has has 414 places, 956 transitions, 40886 flow [2021-03-26 13:41:13,918 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:41:13,918 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:41:13,918 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 13:41:13,918 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-03-26 13:41:13,918 INFO L428 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:41:13,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:41:13,918 INFO L82 PathProgramCache]: Analyzing trace with hash -1059679832, now seen corresponding path program 58 times [2021-03-26 13:41:13,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:41:13,918 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570030843] [2021-03-26 13:41:13,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:41:13,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:41:13,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:13,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:41:13,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:13,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:41:13,932 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:41:13,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:41:13,940 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:41:13,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:41:13,949 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:41:13,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:41:13,961 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:41:13,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:41:13,978 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 13:41:13,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:41:14,002 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:41:14,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:41:14,024 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 13:41:14,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570030843] [2021-03-26 13:41:14,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:41:14,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:41:14,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113325459] [2021-03-26 13:41:14,025 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:41:14,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:41:14,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:41:14,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:41:14,026 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:41:14,026 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 956 transitions, 40886 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:41:14,026 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:41:14,026 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:41:14,026 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:41:18,925 INFO L129 PetriNetUnfolder]: 547/9811 cut-off events. [2021-03-26 13:41:18,925 INFO L130 PetriNetUnfolder]: For 453099/466413 co-relation queries the response was YES. [2021-03-26 13:41:19,007 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78063 conditions, 9811 events. 547/9811 cut-off events. For 453099/466413 co-relation queries the response was YES. Maximal size of possible extension queue 1540. Compared 175047 event pairs, 523 based on Foata normal form. 84/9407 useless extension candidates. Maximal degree in co-relation 77904. Up to 1828 conditions per place. [2021-03-26 13:41:19,032 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 436 selfloop transitions, 536 changer transitions 2/988 dead transitions. [2021-03-26 13:41:19,033 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 422 places, 988 transitions, 44130 flow [2021-03-26 13:41:19,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:41:19,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:41:19,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:41:19,034 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:41:19,034 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:41:19,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:41:19,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:41:19,034 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:41:19,034 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:41:19,035 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:41:19,035 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:41:19,035 INFO L185 Difference]: Start difference. First operand has 414 places, 956 transitions, 40886 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:41:19,035 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 422 places, 988 transitions, 44130 flow [2021-03-26 13:41:22,546 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 417 places, 988 transitions, 43101 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-26 13:41:22,569 INFO L241 Difference]: Finished difference. Result has 420 places, 973 transitions, 41957 flow [2021-03-26 13:41:22,570 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=39882, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=956, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=518, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=420, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=41957, PETRI_PLACES=420, PETRI_TRANSITIONS=973} [2021-03-26 13:41:22,570 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 376 predicate places. [2021-03-26 13:41:22,570 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:41:22,570 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 420 places, 973 transitions, 41957 flow [2021-03-26 13:41:22,570 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 420 places, 973 transitions, 41957 flow [2021-03-26 13:41:22,582 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 419 places, 973 transitions, 41957 flow [2021-03-26 13:41:24,787 INFO L129 PetriNetUnfolder]: 0/8767 cut-off events. [2021-03-26 13:41:24,787 INFO L130 PetriNetUnfolder]: For 404588/409864 co-relation queries the response was YES. [2021-03-26 13:41:24,787 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61315 conditions, 8767 events. 0/8767 cut-off events. For 404588/409864 co-relation queries the response was YES. Maximal size of possible extension queue 1465. Compared 164241 event pairs, 0 based on Foata normal form. 47/8331 useless extension candidates. Maximal degree in co-relation 0. Up to 1018 conditions per place. [2021-03-26 13:41:24,872 INFO L142 LiptonReduction]: Number of co-enabled transitions 5566 [2021-03-26 13:41:24,994 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:41:24,994 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:41:24,994 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2424 [2021-03-26 13:41:24,995 INFO L480 AbstractCegarLoop]: Abstraction has has 419 places, 973 transitions, 41957 flow [2021-03-26 13:41:24,995 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:41:24,995 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:41:24,995 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 13:41:24,995 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-03-26 13:41:24,995 INFO L428 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:41:24,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:41:24,995 INFO L82 PathProgramCache]: Analyzing trace with hash -160216324, now seen corresponding path program 59 times [2021-03-26 13:41:24,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:41:24,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260186199] [2021-03-26 13:41:24,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:41:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:41:25,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:25,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:41:25,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:25,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:41:25,006 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:41:25,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:41:25,012 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:41:25,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:41:25,021 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:41:25,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:41:25,033 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:41:25,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:41:25,050 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:41:25,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:41:25,073 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:41:25,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:41:25,096 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 13:41:25,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260186199] [2021-03-26 13:41:25,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:41:25,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:41:25,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651634102] [2021-03-26 13:41:25,096 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:41:25,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:41:25,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:41:25,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:41:25,097 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:41:25,097 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 973 transitions, 41957 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:41:25,097 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:41:25,097 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:41:25,097 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:41:30,360 INFO L129 PetriNetUnfolder]: 547/9805 cut-off events. [2021-03-26 13:41:30,360 INFO L130 PetriNetUnfolder]: For 456225/469539 co-relation queries the response was YES. [2021-03-26 13:41:30,437 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78228 conditions, 9805 events. 547/9805 cut-off events. For 456225/469539 co-relation queries the response was YES. Maximal size of possible extension queue 1539. Compared 174900 event pairs, 523 based on Foata normal form. 84/9402 useless extension candidates. Maximal degree in co-relation 78067. Up to 1828 conditions per place. [2021-03-26 13:41:30,458 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 436 selfloop transitions, 534 changer transitions 2/986 dead transitions. [2021-03-26 13:41:30,459 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 986 transitions, 44216 flow [2021-03-26 13:41:30,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:41:30,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:41:30,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:41:30,460 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:41:30,460 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:41:30,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:41:30,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:41:30,460 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:41:30,460 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:41:30,461 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:41:30,461 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:41:30,461 INFO L185 Difference]: Start difference. First operand has 419 places, 973 transitions, 41957 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:41:30,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 986 transitions, 44216 flow [2021-03-26 13:41:34,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 422 places, 986 transitions, 43194 flow, removed 25 selfloop flow, removed 5 redundant places. [2021-03-26 13:41:34,122 INFO L241 Difference]: Finished difference. Result has 423 places, 971 transitions, 41904 flow [2021-03-26 13:41:34,122 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=40945, PETRI_DIFFERENCE_MINUEND_PLACES=414, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=973, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=534, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=439, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=41904, PETRI_PLACES=423, PETRI_TRANSITIONS=971} [2021-03-26 13:41:34,122 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 379 predicate places. [2021-03-26 13:41:34,122 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:41:34,123 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 423 places, 971 transitions, 41904 flow [2021-03-26 13:41:34,123 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 423 places, 971 transitions, 41904 flow [2021-03-26 13:41:34,134 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 422 places, 971 transitions, 41904 flow [2021-03-26 13:41:36,161 INFO L129 PetriNetUnfolder]: 0/8758 cut-off events. [2021-03-26 13:41:36,162 INFO L130 PetriNetUnfolder]: For 403221/409580 co-relation queries the response was YES. [2021-03-26 13:41:36,162 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61350 conditions, 8758 events. 0/8758 cut-off events. For 403221/409580 co-relation queries the response was YES. Maximal size of possible extension queue 1464. Compared 163939 event pairs, 0 based on Foata normal form. 46/8320 useless extension candidates. Maximal degree in co-relation 0. Up to 1017 conditions per place. [2021-03-26 13:41:36,261 INFO L142 LiptonReduction]: Number of co-enabled transitions 5552 [2021-03-26 13:41:36,401 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:41:36,401 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:41:36,402 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2280 [2021-03-26 13:41:36,402 INFO L480 AbstractCegarLoop]: Abstraction has has 422 places, 971 transitions, 41904 flow [2021-03-26 13:41:36,402 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:41:36,402 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:41:36,402 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 13:41:36,402 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-03-26 13:41:36,402 INFO L428 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:41:36,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:41:36,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1346889104, now seen corresponding path program 60 times [2021-03-26 13:41:36,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:41:36,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882793546] [2021-03-26 13:41:36,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:41:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:41:36,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:36,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:41:36,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:36,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:41:36,419 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:41:36,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:41:36,425 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:41:36,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:41:36,435 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:41:36,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:41:36,466 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 13:41:36,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 13:41:36,496 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:41:36,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:41:36,519 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:41:36,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:41:36,540 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 13:41:36,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882793546] [2021-03-26 13:41:36,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:41:36,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:41:36,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342466967] [2021-03-26 13:41:36,540 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:41:36,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:41:36,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:41:36,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:41:36,541 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:41:36,541 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 422 places, 971 transitions, 41904 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:41:36,541 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:41:36,541 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:41:36,541 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:41:41,570 INFO L129 PetriNetUnfolder]: 547/9796 cut-off events. [2021-03-26 13:41:41,570 INFO L130 PetriNetUnfolder]: For 454916/468230 co-relation queries the response was YES. [2021-03-26 13:41:41,652 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78259 conditions, 9796 events. 547/9796 cut-off events. For 454916/468230 co-relation queries the response was YES. Maximal size of possible extension queue 1537. Compared 174698 event pairs, 523 based on Foata normal form. 84/9394 useless extension candidates. Maximal degree in co-relation 78098. Up to 1828 conditions per place. [2021-03-26 13:41:41,674 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 433 selfloop transitions, 533 changer transitions 2/982 dead transitions. [2021-03-26 13:41:41,674 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 430 places, 982 transitions, 44060 flow [2021-03-26 13:41:41,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:41:41,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:41:41,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:41:41,675 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:41:41,675 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:41:41,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:41:41,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:41:41,675 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:41:41,676 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:41:41,676 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:41:41,676 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:41:41,676 INFO L185 Difference]: Start difference. First operand has 422 places, 971 transitions, 41904 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:41:41,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 430 places, 982 transitions, 44060 flow [2021-03-26 13:41:45,343 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 424 places, 982 transitions, 43003 flow, removed 8 selfloop flow, removed 6 redundant places. [2021-03-26 13:41:45,366 INFO L241 Difference]: Finished difference. Result has 426 places, 972 transitions, 41953 flow [2021-03-26 13:41:45,367 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=40857, PETRI_DIFFERENCE_MINUEND_PLACES=416, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=971, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=531, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=438, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=41953, PETRI_PLACES=426, PETRI_TRANSITIONS=972} [2021-03-26 13:41:45,367 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 382 predicate places. [2021-03-26 13:41:45,367 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:41:45,367 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 426 places, 972 transitions, 41953 flow [2021-03-26 13:41:45,367 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 426 places, 972 transitions, 41953 flow [2021-03-26 13:41:45,378 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 425 places, 972 transitions, 41953 flow [2021-03-26 13:41:47,578 INFO L129 PetriNetUnfolder]: 0/8750 cut-off events. [2021-03-26 13:41:47,578 INFO L130 PetriNetUnfolder]: For 404635/410994 co-relation queries the response was YES. [2021-03-26 13:41:47,578 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61325 conditions, 8750 events. 0/8750 cut-off events. For 404635/410994 co-relation queries the response was YES. Maximal size of possible extension queue 1462. Compared 163888 event pairs, 0 based on Foata normal form. 46/8308 useless extension candidates. Maximal degree in co-relation 0. Up to 1016 conditions per place. [2021-03-26 13:41:47,725 INFO L142 LiptonReduction]: Number of co-enabled transitions 5572 [2021-03-26 13:41:47,873 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:41:47,873 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:41:47,873 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2506 [2021-03-26 13:41:47,873 INFO L480 AbstractCegarLoop]: Abstraction has has 425 places, 972 transitions, 41953 flow [2021-03-26 13:41:47,874 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:41:47,874 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:41:47,874 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 13:41:47,874 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-03-26 13:41:47,874 INFO L428 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:41:47,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:41:47,874 INFO L82 PathProgramCache]: Analyzing trace with hash 1872367036, now seen corresponding path program 61 times [2021-03-26 13:41:47,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:41:47,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810479245] [2021-03-26 13:41:47,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:41:47,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:41:47,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:47,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:41:47,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:47,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:41:47,888 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:41:47,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:41:47,894 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:41:47,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:41:47,903 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:41:47,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:41:47,935 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 13:41:47,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 13:41:47,970 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 13:41:47,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:41:47,997 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:41:47,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:41:48,038 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 13:41:48,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810479245] [2021-03-26 13:41:48,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:41:48,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:41:48,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972641809] [2021-03-26 13:41:48,039 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:41:48,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:41:48,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:41:48,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:41:48,039 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:41:48,040 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 972 transitions, 41953 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:41:48,040 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:41:48,040 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:41:48,040 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:41:53,567 INFO L129 PetriNetUnfolder]: 547/9788 cut-off events. [2021-03-26 13:41:53,568 INFO L130 PetriNetUnfolder]: For 455464/468778 co-relation queries the response was YES. [2021-03-26 13:41:53,634 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78231 conditions, 9788 events. 547/9788 cut-off events. For 455464/468778 co-relation queries the response was YES. Maximal size of possible extension queue 1536. Compared 174538 event pairs, 523 based on Foata normal form. 84/9386 useless extension candidates. Maximal degree in co-relation 78069. Up to 1828 conditions per place. [2021-03-26 13:41:53,651 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 432 selfloop transitions, 532 changer transitions 2/980 dead transitions. [2021-03-26 13:41:53,651 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 980 transitions, 44008 flow [2021-03-26 13:41:53,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:41:53,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:41:53,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:41:53,652 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:41:53,652 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:41:53,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:41:53,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:41:53,652 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:41:53,653 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:41:53,653 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:41:53,654 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:41:53,654 INFO L185 Difference]: Start difference. First operand has 425 places, 972 transitions, 41953 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:41:53,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 433 places, 980 transitions, 44008 flow [2021-03-26 13:41:57,103 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 428 places, 980 transitions, 43006 flow, removed 14 selfloop flow, removed 5 redundant places. [2021-03-26 13:41:57,126 INFO L241 Difference]: Finished difference. Result has 429 places, 970 transitions, 41917 flow [2021-03-26 13:41:57,127 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=40961, PETRI_DIFFERENCE_MINUEND_PLACES=420, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=972, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=532, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=440, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=41917, PETRI_PLACES=429, PETRI_TRANSITIONS=970} [2021-03-26 13:41:57,127 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 385 predicate places. [2021-03-26 13:41:57,127 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:41:57,127 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 429 places, 970 transitions, 41917 flow [2021-03-26 13:41:57,127 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 429 places, 970 transitions, 41917 flow [2021-03-26 13:41:57,138 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 428 places, 970 transitions, 41917 flow [2021-03-26 13:41:59,369 INFO L129 PetriNetUnfolder]: 0/8742 cut-off events. [2021-03-26 13:41:59,369 INFO L130 PetriNetUnfolder]: For 404984/411167 co-relation queries the response was YES. [2021-03-26 13:41:59,369 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61393 conditions, 8742 events. 0/8742 cut-off events. For 404984/411167 co-relation queries the response was YES. Maximal size of possible extension queue 1460. Compared 163720 event pairs, 0 based on Foata normal form. 47/8289 useless extension candidates. Maximal degree in co-relation 0. Up to 1015 conditions per place. [2021-03-26 13:41:59,472 INFO L142 LiptonReduction]: Number of co-enabled transitions 5554 [2021-03-26 13:41:59,696 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:41:59,697 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:41:59,697 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2570 [2021-03-26 13:41:59,697 INFO L480 AbstractCegarLoop]: Abstraction has has 428 places, 970 transitions, 41917 flow [2021-03-26 13:41:59,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:41:59,697 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:41:59,697 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 13:41:59,697 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-03-26 13:41:59,697 INFO L428 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:41:59,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:41:59,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1945478112, now seen corresponding path program 62 times [2021-03-26 13:41:59,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:41:59,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684052628] [2021-03-26 13:41:59,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:41:59,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:41:59,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:59,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:41:59,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:59,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:41:59,713 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:41:59,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:41:59,719 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:41:59,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:41:59,728 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:41:59,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:41:59,741 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 13:41:59,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 13:41:59,767 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 13:41:59,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:41:59,789 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:41:59,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:41:59,810 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 13:41:59,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684052628] [2021-03-26 13:41:59,810 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:41:59,810 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:41:59,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149890045] [2021-03-26 13:41:59,811 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:41:59,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:41:59,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:41:59,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:41:59,811 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:41:59,811 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 970 transitions, 41917 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:41:59,811 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:41:59,811 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:41:59,812 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:42:05,198 INFO L129 PetriNetUnfolder]: 547/9780 cut-off events. [2021-03-26 13:42:05,198 INFO L130 PetriNetUnfolder]: For 454129/467433 co-relation queries the response was YES. [2021-03-26 13:42:05,264 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78296 conditions, 9780 events. 547/9780 cut-off events. For 454129/467433 co-relation queries the response was YES. Maximal size of possible extension queue 1534. Compared 174368 event pairs, 523 based on Foata normal form. 82/9376 useless extension candidates. Maximal degree in co-relation 78134. Up to 1828 conditions per place. [2021-03-26 13:42:05,284 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 437 selfloop transitions, 530 changer transitions 2/983 dead transitions. [2021-03-26 13:42:05,284 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 436 places, 983 transitions, 44185 flow [2021-03-26 13:42:05,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:42:05,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:42:05,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:42:05,285 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:42:05,285 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:42:05,285 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:42:05,285 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:42:05,285 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:42:05,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:42:05,286 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:42:05,286 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:42:05,286 INFO L185 Difference]: Start difference. First operand has 428 places, 970 transitions, 41917 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:42:05,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 436 places, 983 transitions, 44185 flow [2021-03-26 13:42:08,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 431 places, 983 transitions, 43194 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-26 13:42:08,787 INFO L241 Difference]: Finished difference. Result has 433 places, 973 transitions, 42173 flow [2021-03-26 13:42:08,788 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=40941, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=970, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=525, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=440, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=42173, PETRI_PLACES=433, PETRI_TRANSITIONS=973} [2021-03-26 13:42:08,788 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 389 predicate places. [2021-03-26 13:42:08,788 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:42:08,788 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 433 places, 973 transitions, 42173 flow [2021-03-26 13:42:08,788 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 433 places, 973 transitions, 42173 flow [2021-03-26 13:42:08,800 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 432 places, 973 transitions, 42173 flow [2021-03-26 13:42:11,018 INFO L129 PetriNetUnfolder]: 0/8734 cut-off events. [2021-03-26 13:42:11,019 INFO L130 PetriNetUnfolder]: For 406090/412465 co-relation queries the response was YES. [2021-03-26 13:42:11,019 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61531 conditions, 8734 events. 0/8734 cut-off events. For 406090/412465 co-relation queries the response was YES. Maximal size of possible extension queue 1458. Compared 163575 event pairs, 0 based on Foata normal form. 46/8297 useless extension candidates. Maximal degree in co-relation 0. Up to 1014 conditions per place. [2021-03-26 13:42:11,089 INFO L142 LiptonReduction]: Number of co-enabled transitions 5574 [2021-03-26 13:42:11,213 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:42:11,213 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:42:11,213 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2425 [2021-03-26 13:42:11,213 INFO L480 AbstractCegarLoop]: Abstraction has has 432 places, 973 transitions, 42173 flow [2021-03-26 13:42:11,213 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:42:11,213 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:42:11,214 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 13:42:11,214 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-03-26 13:42:11,214 INFO L428 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:42:11,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:42:11,214 INFO L82 PathProgramCache]: Analyzing trace with hash 248327304, now seen corresponding path program 63 times [2021-03-26 13:42:11,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:42:11,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522629639] [2021-03-26 13:42:11,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:42:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:42:11,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:11,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:42:11,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:11,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:42:11,225 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:42:11,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:42:11,231 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:42:11,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:42:11,241 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:42:11,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:42:11,254 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:42:11,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:42:11,270 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:42:11,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:42:11,292 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:42:11,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:42:11,313 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 13:42:11,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522629639] [2021-03-26 13:42:11,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:42:11,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:42:11,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218149292] [2021-03-26 13:42:11,313 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:42:11,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:42:11,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:42:11,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:42:11,313 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:42:11,314 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 432 places, 973 transitions, 42173 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:42:11,314 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:42:11,314 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:42:11,314 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:42:16,540 INFO L129 PetriNetUnfolder]: 547/9772 cut-off events. [2021-03-26 13:42:16,540 INFO L130 PetriNetUnfolder]: For 456880/470189 co-relation queries the response was YES. [2021-03-26 13:42:16,614 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78431 conditions, 9772 events. 547/9772 cut-off events. For 456880/470189 co-relation queries the response was YES. Maximal size of possible extension queue 1532. Compared 174132 event pairs, 523 based on Foata normal form. 84/9370 useless extension candidates. Maximal degree in co-relation 78268. Up to 1828 conditions per place. [2021-03-26 13:42:16,634 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 438 selfloop transitions, 530 changer transitions 2/984 dead transitions. [2021-03-26 13:42:16,634 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 440 places, 984 transitions, 44396 flow [2021-03-26 13:42:16,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:42:16,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:42:16,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:42:16,635 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:42:16,635 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:42:16,635 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:42:16,635 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:42:16,635 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:42:16,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:42:16,636 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:42:16,636 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:42:16,636 INFO L185 Difference]: Start difference. First operand has 432 places, 973 transitions, 42173 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:42:16,636 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 440 places, 984 transitions, 44396 flow [2021-03-26 13:42:20,241 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 435 places, 984 transitions, 43412 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-26 13:42:20,263 INFO L241 Difference]: Finished difference. Result has 437 places, 974 transitions, 42334 flow [2021-03-26 13:42:20,264 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=41199, PETRI_DIFFERENCE_MINUEND_PLACES=427, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=973, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=528, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=443, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=42334, PETRI_PLACES=437, PETRI_TRANSITIONS=974} [2021-03-26 13:42:20,264 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 393 predicate places. [2021-03-26 13:42:20,264 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:42:20,264 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 437 places, 974 transitions, 42334 flow [2021-03-26 13:42:20,264 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 437 places, 974 transitions, 42334 flow [2021-03-26 13:42:20,276 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 436 places, 974 transitions, 42334 flow [2021-03-26 13:42:22,364 INFO L129 PetriNetUnfolder]: 0/8726 cut-off events. [2021-03-26 13:42:22,365 INFO L130 PetriNetUnfolder]: For 407196/413570 co-relation queries the response was YES. [2021-03-26 13:42:22,365 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61629 conditions, 8726 events. 0/8726 cut-off events. For 407196/413570 co-relation queries the response was YES. Maximal size of possible extension queue 1456. Compared 163333 event pairs, 0 based on Foata normal form. 46/8287 useless extension candidates. Maximal degree in co-relation 0. Up to 1013 conditions per place. [2021-03-26 13:42:22,450 INFO L142 LiptonReduction]: Number of co-enabled transitions 5574 [2021-03-26 13:42:22,730 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:42:22,730 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:42:22,730 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2466 [2021-03-26 13:42:22,730 INFO L480 AbstractCegarLoop]: Abstraction has has 436 places, 974 transitions, 42334 flow [2021-03-26 13:42:22,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:42:22,730 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:42:22,730 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 13:42:22,730 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-03-26 13:42:22,730 INFO L428 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:42:22,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:42:22,731 INFO L82 PathProgramCache]: Analyzing trace with hash 2087458452, now seen corresponding path program 64 times [2021-03-26 13:42:22,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:42:22,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895961578] [2021-03-26 13:42:22,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:42:22,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:42:22,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:22,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:42:22,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:22,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:42:22,750 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:42:22,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:42:22,756 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:42:22,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:42:22,765 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:42:22,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:42:22,777 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 13:42:22,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 13:42:22,803 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:42:22,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:42:22,825 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:42:22,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:42:22,846 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 13:42:22,846 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895961578] [2021-03-26 13:42:22,846 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:42:22,846 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:42:22,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434073987] [2021-03-26 13:42:22,846 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:42:22,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:42:22,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:42:22,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:42:22,847 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:42:22,847 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 436 places, 974 transitions, 42334 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:42:22,847 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:42:22,847 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:42:22,847 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:42:28,180 INFO L129 PetriNetUnfolder]: 547/9764 cut-off events. [2021-03-26 13:42:28,181 INFO L130 PetriNetUnfolder]: For 457001/470310 co-relation queries the response was YES. [2021-03-26 13:42:28,258 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78526 conditions, 9764 events. 547/9764 cut-off events. For 457001/470310 co-relation queries the response was YES. Maximal size of possible extension queue 1530. Compared 174085 event pairs, 523 based on Foata normal form. 84/9362 useless extension candidates. Maximal degree in co-relation 78362. Up to 1828 conditions per place. [2021-03-26 13:42:28,277 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 438 selfloop transitions, 528 changer transitions 2/982 dead transitions. [2021-03-26 13:42:28,277 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 982 transitions, 44393 flow [2021-03-26 13:42:28,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:42:28,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:42:28,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:42:28,278 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:42:28,278 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:42:28,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:42:28,278 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:42:28,278 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:42:28,279 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:42:28,280 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:42:28,280 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:42:28,280 INFO L185 Difference]: Start difference. First operand has 436 places, 974 transitions, 42334 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:42:28,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 982 transitions, 44393 flow [2021-03-26 13:42:31,783 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 438 places, 982 transitions, 43341 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-03-26 13:42:31,806 INFO L241 Difference]: Finished difference. Result has 439 places, 972 transitions, 42248 flow [2021-03-26 13:42:31,807 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=41292, PETRI_DIFFERENCE_MINUEND_PLACES=430, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=974, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=528, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=446, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=42248, PETRI_PLACES=439, PETRI_TRANSITIONS=972} [2021-03-26 13:42:31,807 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 395 predicate places. [2021-03-26 13:42:31,807 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:42:31,807 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 439 places, 972 transitions, 42248 flow [2021-03-26 13:42:31,807 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 439 places, 972 transitions, 42248 flow [2021-03-26 13:42:31,818 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 438 places, 972 transitions, 42248 flow [2021-03-26 13:42:34,099 INFO L129 PetriNetUnfolder]: 0/8718 cut-off events. [2021-03-26 13:42:34,099 INFO L130 PetriNetUnfolder]: For 402994/408105 co-relation queries the response was YES. [2021-03-26 13:42:34,100 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61586 conditions, 8718 events. 0/8718 cut-off events. For 402994/408105 co-relation queries the response was YES. Maximal size of possible extension queue 1455. Compared 163162 event pairs, 0 based on Foata normal form. 47/8286 useless extension candidates. Maximal degree in co-relation 0. Up to 1012 conditions per place. [2021-03-26 13:42:34,174 INFO L142 LiptonReduction]: Number of co-enabled transitions 5566 [2021-03-26 13:42:34,298 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:42:34,298 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:42:34,298 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2491 [2021-03-26 13:42:34,299 INFO L480 AbstractCegarLoop]: Abstraction has has 438 places, 972 transitions, 42248 flow [2021-03-26 13:42:34,299 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:42:34,299 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:42:34,299 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 13:42:34,299 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-03-26 13:42:34,299 INFO L428 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:42:34,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:42:34,299 INFO L82 PathProgramCache]: Analyzing trace with hash -1851813480, now seen corresponding path program 65 times [2021-03-26 13:42:34,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:42:34,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212807676] [2021-03-26 13:42:34,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:42:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:42:34,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:34,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:42:34,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:34,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:42:34,311 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:42:34,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:42:34,317 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:42:34,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:42:34,327 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:42:34,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:42:34,349 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:42:34,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:42:34,367 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:42:34,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:42:34,389 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:42:34,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:42:34,410 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 13:42:34,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212807676] [2021-03-26 13:42:34,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:42:34,410 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:42:34,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885280433] [2021-03-26 13:42:34,410 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:42:34,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:42:34,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:42:34,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:42:34,411 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:42:34,411 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 438 places, 972 transitions, 42248 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:42:34,411 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:42:34,411 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:42:34,411 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:42:39,840 INFO L129 PetriNetUnfolder]: 547/9756 cut-off events. [2021-03-26 13:42:39,840 INFO L130 PetriNetUnfolder]: For 456394/469703 co-relation queries the response was YES. [2021-03-26 13:42:39,914 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78480 conditions, 9756 events. 547/9756 cut-off events. For 456394/469703 co-relation queries the response was YES. Maximal size of possible extension queue 1529. Compared 173914 event pairs, 523 based on Foata normal form. 84/9354 useless extension candidates. Maximal degree in co-relation 78316. Up to 1828 conditions per place. [2021-03-26 13:42:39,934 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 425 selfloop transitions, 539 changer transitions 2/980 dead transitions. [2021-03-26 13:42:39,934 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 980 transitions, 44303 flow [2021-03-26 13:42:39,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:42:39,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:42:39,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:42:39,935 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:42:39,935 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:42:39,935 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:42:39,936 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:42:39,936 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:42:39,936 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:42:39,937 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:42:39,937 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:42:39,937 INFO L185 Difference]: Start difference. First operand has 438 places, 972 transitions, 42248 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:42:39,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 980 transitions, 44303 flow [2021-03-26 13:42:43,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 439 places, 980 transitions, 43229 flow, removed 9 selfloop flow, removed 7 redundant places. [2021-03-26 13:42:43,523 INFO L241 Difference]: Finished difference. Result has 440 places, 970 transitions, 42148 flow [2021-03-26 13:42:43,524 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=41184, PETRI_DIFFERENCE_MINUEND_PLACES=431, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=972, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=539, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=42148, PETRI_PLACES=440, PETRI_TRANSITIONS=970} [2021-03-26 13:42:43,524 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 396 predicate places. [2021-03-26 13:42:43,524 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:42:43,524 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 440 places, 970 transitions, 42148 flow [2021-03-26 13:42:43,524 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 440 places, 970 transitions, 42148 flow [2021-03-26 13:42:43,535 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 439 places, 970 transitions, 42148 flow [2021-03-26 13:42:45,626 INFO L129 PetriNetUnfolder]: 0/8707 cut-off events. [2021-03-26 13:42:45,627 INFO L130 PetriNetUnfolder]: For 403026/408314 co-relation queries the response was YES. [2021-03-26 13:42:45,627 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61485 conditions, 8707 events. 0/8707 cut-off events. For 403026/408314 co-relation queries the response was YES. Maximal size of possible extension queue 1453. Compared 162963 event pairs, 0 based on Foata normal form. 47/8273 useless extension candidates. Maximal degree in co-relation 0. Up to 1010 conditions per place. [2021-03-26 13:42:45,875 INFO L142 LiptonReduction]: Number of co-enabled transitions 5546 [2021-03-26 13:42:46,001 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:42:46,001 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:42:46,001 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2477 [2021-03-26 13:42:46,002 INFO L480 AbstractCegarLoop]: Abstraction has has 439 places, 970 transitions, 42148 flow [2021-03-26 13:42:46,002 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:42:46,002 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:42:46,002 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 13:42:46,002 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-03-26 13:42:46,002 INFO L428 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:42:46,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:42:46,002 INFO L82 PathProgramCache]: Analyzing trace with hash -367275996, now seen corresponding path program 66 times [2021-03-26 13:42:46,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:42:46,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298434595] [2021-03-26 13:42:46,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:42:46,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:42:46,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:46,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:42:46,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:46,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:42:46,021 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:42:46,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:42:46,027 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:42:46,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:42:46,037 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:42:46,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:42:46,050 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:42:46,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:42:46,068 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:42:46,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:42:46,090 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:42:46,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:42:46,112 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 13:42:46,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298434595] [2021-03-26 13:42:46,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:42:46,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:42:46,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495568825] [2021-03-26 13:42:46,112 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:42:46,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:42:46,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:42:46,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:42:46,113 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:42:46,114 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 439 places, 970 transitions, 42148 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:42:46,114 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:42:46,114 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:42:46,114 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:42:51,725 INFO L129 PetriNetUnfolder]: 523/9962 cut-off events. [2021-03-26 13:42:51,725 INFO L130 PetriNetUnfolder]: For 465010/478319 co-relation queries the response was YES. [2021-03-26 13:42:51,791 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79946 conditions, 9962 events. 523/9962 cut-off events. For 465010/478319 co-relation queries the response was YES. Maximal size of possible extension queue 1570. Compared 178767 event pairs, 523 based on Foata normal form. 66/9535 useless extension candidates. Maximal degree in co-relation 79783. Up to 1766 conditions per place. [2021-03-26 13:42:51,812 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 581 selfloop transitions, 497 changer transitions 1/1093 dead transitions. [2021-03-26 13:42:51,812 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 447 places, 1093 transitions, 50047 flow [2021-03-26 13:42:51,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:42:51,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:42:51,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:42:51,813 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:42:51,813 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:42:51,813 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:42:51,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:42:51,813 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:42:51,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:42:51,814 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:42:51,814 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:42:51,814 INFO L185 Difference]: Start difference. First operand has 439 places, 970 transitions, 42148 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:42:51,814 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 447 places, 1093 transitions, 50047 flow [2021-03-26 13:42:55,476 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 442 places, 1093 transitions, 49112 flow, removed 12 selfloop flow, removed 5 redundant places. [2021-03-26 13:42:55,500 INFO L241 Difference]: Finished difference. Result has 447 places, 1004 transitions, 44257 flow [2021-03-26 13:42:55,501 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=41268, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=970, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=463, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=473, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=44257, PETRI_PLACES=447, PETRI_TRANSITIONS=1004} [2021-03-26 13:42:55,501 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 403 predicate places. [2021-03-26 13:42:55,501 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:42:55,501 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 447 places, 1004 transitions, 44257 flow [2021-03-26 13:42:55,501 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 447 places, 1004 transitions, 44257 flow [2021-03-26 13:42:55,513 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 446 places, 1004 transitions, 44257 flow [2021-03-26 13:42:57,742 INFO L129 PetriNetUnfolder]: 0/8992 cut-off events. [2021-03-26 13:42:57,742 INFO L130 PetriNetUnfolder]: For 432102/437356 co-relation queries the response was YES. [2021-03-26 13:42:57,742 INFO L84 FinitePrefix]: Finished finitePrefix Result has 64553 conditions, 8992 events. 0/8992 cut-off events. For 432102/437356 co-relation queries the response was YES. Maximal size of possible extension queue 1509. Compared 169277 event pairs, 0 based on Foata normal form. 35/8531 useless extension candidates. Maximal degree in co-relation 0. Up to 1044 conditions per place. [2021-03-26 13:42:57,837 INFO L142 LiptonReduction]: Number of co-enabled transitions 5776 [2021-03-26 13:42:58,134 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:42:58,134 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:42:58,134 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2633 [2021-03-26 13:42:58,135 INFO L480 AbstractCegarLoop]: Abstraction has has 446 places, 1004 transitions, 44257 flow [2021-03-26 13:42:58,135 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:42:58,135 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:42:58,135 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 13:42:58,135 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-03-26 13:42:58,135 INFO L428 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:42:58,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:42:58,135 INFO L82 PathProgramCache]: Analyzing trace with hash 953425414, now seen corresponding path program 67 times [2021-03-26 13:42:58,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:42:58,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276037934] [2021-03-26 13:42:58,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:42:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:42:58,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:58,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:42:58,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:58,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:42:58,147 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:42:58,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:42:58,153 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:42:58,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:42:58,162 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:42:58,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:42:58,176 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:42:58,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:42:58,192 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:42:58,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:42:58,215 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:42:58,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:42:58,236 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 13:42:58,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276037934] [2021-03-26 13:42:58,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:42:58,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:42:58,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347769805] [2021-03-26 13:42:58,237 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:42:58,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:42:58,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:42:58,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:42:58,237 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:42:58,237 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 446 places, 1004 transitions, 44257 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:42:58,237 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:42:58,237 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:42:58,238 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:43:03,703 INFO L129 PetriNetUnfolder]: 523/9955 cut-off events. [2021-03-26 13:43:03,703 INFO L130 PetriNetUnfolder]: For 477600/490953 co-relation queries the response was YES. [2021-03-26 13:43:03,767 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80652 conditions, 9955 events. 523/9955 cut-off events. For 477600/490953 co-relation queries the response was YES. Maximal size of possible extension queue 1569. Compared 178654 event pairs, 523 based on Foata normal form. 84/9538 useless extension candidates. Maximal degree in co-relation 80485. Up to 1828 conditions per place. [2021-03-26 13:43:03,785 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 477 selfloop transitions, 544 changer transitions 1/1036 dead transitions. [2021-03-26 13:43:03,785 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 1036 transitions, 47685 flow [2021-03-26 13:43:03,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:43:03,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:43:03,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:43:03,786 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:43:03,786 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:43:03,786 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:43:03,786 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:43:03,786 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:43:03,787 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:43:03,787 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:43:03,787 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:43:03,787 INFO L185 Difference]: Start difference. First operand has 446 places, 1004 transitions, 44257 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:43:03,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 1036 transitions, 47685 flow [2021-03-26 13:43:07,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 449 places, 1036 transitions, 46882 flow, removed 34 selfloop flow, removed 5 redundant places. [2021-03-26 13:43:07,814 INFO L241 Difference]: Finished difference. Result has 452 places, 1007 transitions, 44878 flow [2021-03-26 13:43:07,815 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=43471, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1004, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=541, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=460, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=44878, PETRI_PLACES=452, PETRI_TRANSITIONS=1007} [2021-03-26 13:43:07,815 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 408 predicate places. [2021-03-26 13:43:07,815 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:43:07,815 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 452 places, 1007 transitions, 44878 flow [2021-03-26 13:43:07,815 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 452 places, 1007 transitions, 44878 flow [2021-03-26 13:43:07,827 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 451 places, 1007 transitions, 44878 flow [2021-03-26 13:43:10,155 INFO L129 PetriNetUnfolder]: 0/8985 cut-off events. [2021-03-26 13:43:10,155 INFO L130 PetriNetUnfolder]: For 439628/446603 co-relation queries the response was YES. [2021-03-26 13:43:10,156 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65097 conditions, 8985 events. 0/8985 cut-off events. For 439628/446603 co-relation queries the response was YES. Maximal size of possible extension queue 1502. Compared 168863 event pairs, 0 based on Foata normal form. 36/8498 useless extension candidates. Maximal degree in co-relation 0. Up to 1043 conditions per place. [2021-03-26 13:43:10,233 INFO L142 LiptonReduction]: Number of co-enabled transitions 5804 [2021-03-26 13:43:10,362 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:43:10,362 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:43:10,362 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2547 [2021-03-26 13:43:10,362 INFO L480 AbstractCegarLoop]: Abstraction has has 451 places, 1007 transitions, 44878 flow [2021-03-26 13:43:10,362 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:43:10,362 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:43:10,362 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 13:43:10,362 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-03-26 13:43:10,362 INFO L428 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:43:10,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:43:10,363 INFO L82 PathProgramCache]: Analyzing trace with hash 2136229728, now seen corresponding path program 68 times [2021-03-26 13:43:10,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:43:10,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100524242] [2021-03-26 13:43:10,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:43:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:43:10,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:43:10,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:43:10,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:43:10,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:43:10,374 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:43:10,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:43:10,380 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:43:10,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:43:10,389 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:43:10,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:43:10,402 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:43:10,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:43:10,419 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:43:10,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:43:10,441 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:43:10,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:43:10,462 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 13:43:10,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100524242] [2021-03-26 13:43:10,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:43:10,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:43:10,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720891212] [2021-03-26 13:43:10,462 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:43:10,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:43:10,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:43:10,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:43:10,463 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:43:10,463 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 1007 transitions, 44878 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:43:10,463 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:43:10,463 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:43:10,463 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:43:16,033 INFO L129 PetriNetUnfolder]: 523/9948 cut-off events. [2021-03-26 13:43:16,033 INFO L130 PetriNetUnfolder]: For 485525/500979 co-relation queries the response was YES. [2021-03-26 13:43:16,101 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81194 conditions, 9948 events. 523/9948 cut-off events. For 485525/500979 co-relation queries the response was YES. Maximal size of possible extension queue 1568. Compared 178398 event pairs, 523 based on Foata normal form. 96/9543 useless extension candidates. Maximal degree in co-relation 81026. Up to 1828 conditions per place. [2021-03-26 13:43:16,119 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 474 selfloop transitions, 545 changer transitions 2/1035 dead transitions. [2021-03-26 13:43:16,119 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 459 places, 1035 transitions, 48120 flow [2021-03-26 13:43:16,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:43:16,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:43:16,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:43:16,120 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:43:16,120 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:43:16,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:43:16,120 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:43:16,120 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:43:16,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:43:16,121 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:43:16,121 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:43:16,121 INFO L185 Difference]: Start difference. First operand has 451 places, 1007 transitions, 44878 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:43:16,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 459 places, 1035 transitions, 48120 flow [2021-03-26 13:43:20,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 1035 transitions, 47123 flow, removed 31 selfloop flow, removed 6 redundant places. [2021-03-26 13:43:20,225 INFO L241 Difference]: Finished difference. Result has 455 places, 1010 transitions, 45183 flow [2021-03-26 13:43:20,226 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=43891, PETRI_DIFFERENCE_MINUEND_PLACES=445, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1007, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=541, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=462, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=45183, PETRI_PLACES=455, PETRI_TRANSITIONS=1010} [2021-03-26 13:43:20,226 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 411 predicate places. [2021-03-26 13:43:20,226 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:43:20,226 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 455 places, 1010 transitions, 45183 flow [2021-03-26 13:43:20,226 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 455 places, 1010 transitions, 45183 flow [2021-03-26 13:43:20,238 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 454 places, 1010 transitions, 45183 flow [2021-03-26 13:43:22,471 INFO L129 PetriNetUnfolder]: 0/8977 cut-off events. [2021-03-26 13:43:22,471 INFO L130 PetriNetUnfolder]: For 436037/442757 co-relation queries the response was YES. [2021-03-26 13:43:22,471 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65417 conditions, 8977 events. 0/8977 cut-off events. For 436037/442757 co-relation queries the response was YES. Maximal size of possible extension queue 1500. Compared 168905 event pairs, 0 based on Foata normal form. 37/8510 useless extension candidates. Maximal degree in co-relation 0. Up to 1042 conditions per place. [2021-03-26 13:43:22,552 INFO L142 LiptonReduction]: Number of co-enabled transitions 5812 [2021-03-26 13:43:22,687 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:43:22,687 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:43:22,687 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2461 [2021-03-26 13:43:22,687 INFO L480 AbstractCegarLoop]: Abstraction has has 454 places, 1010 transitions, 45183 flow [2021-03-26 13:43:22,687 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:43:22,687 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:43:22,687 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 13:43:22,687 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-03-26 13:43:22,687 INFO L428 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:43:22,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:43:22,688 INFO L82 PathProgramCache]: Analyzing trace with hash -558299714, now seen corresponding path program 69 times [2021-03-26 13:43:22,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:43:22,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822865246] [2021-03-26 13:43:22,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:43:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:43:22,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:43:22,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:43:22,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:43:22,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:43:22,699 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:43:22,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:43:22,705 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:43:22,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:43:22,714 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:43:22,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:43:22,726 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:43:22,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:43:22,743 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:43:22,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:43:22,765 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:43:22,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:43:22,786 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 13:43:22,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822865246] [2021-03-26 13:43:22,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:43:22,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:43:22,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19884085] [2021-03-26 13:43:22,787 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:43:22,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:43:22,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:43:22,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:43:22,787 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:43:22,787 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 454 places, 1010 transitions, 45183 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:43:22,787 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:43:22,787 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:43:22,788 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:43:28,372 INFO L129 PetriNetUnfolder]: 523/9940 cut-off events. [2021-03-26 13:43:28,373 INFO L130 PetriNetUnfolder]: For 480538/495992 co-relation queries the response was YES. [2021-03-26 13:43:28,440 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81511 conditions, 9940 events. 523/9940 cut-off events. For 480538/495992 co-relation queries the response was YES. Maximal size of possible extension queue 1566. Compared 178285 event pairs, 523 based on Foata normal form. 96/9535 useless extension candidates. Maximal degree in co-relation 81344. Up to 1828 conditions per place. [2021-03-26 13:43:28,461 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 455 selfloop transitions, 563 changer transitions 1/1033 dead transitions. [2021-03-26 13:43:28,461 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 462 places, 1033 transitions, 48131 flow [2021-03-26 13:43:28,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:43:28,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:43:28,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:43:28,462 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:43:28,462 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:43:28,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:43:28,462 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:43:28,462 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:43:28,462 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:43:28,463 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:43:28,463 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:43:28,463 INFO L185 Difference]: Start difference. First operand has 454 places, 1010 transitions, 45183 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:43:28,463 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 462 places, 1033 transitions, 48131 flow [2021-03-26 13:43:32,440 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 456 places, 1033 transitions, 47044 flow, removed 8 selfloop flow, removed 6 redundant places. [2021-03-26 13:43:32,465 INFO L241 Difference]: Finished difference. Result has 458 places, 1024 transitions, 46035 flow [2021-03-26 13:43:32,465 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=44106, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1010, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=548, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=447, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=46035, PETRI_PLACES=458, PETRI_TRANSITIONS=1024} [2021-03-26 13:43:32,465 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 414 predicate places. [2021-03-26 13:43:32,465 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:43:32,465 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 458 places, 1024 transitions, 46035 flow [2021-03-26 13:43:32,466 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 458 places, 1024 transitions, 46035 flow [2021-03-26 13:43:32,478 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 457 places, 1024 transitions, 46035 flow [2021-03-26 13:43:34,779 INFO L129 PetriNetUnfolder]: 0/8972 cut-off events. [2021-03-26 13:43:34,779 INFO L130 PetriNetUnfolder]: For 438622/445613 co-relation queries the response was YES. [2021-03-26 13:43:34,779 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65476 conditions, 8972 events. 0/8972 cut-off events. For 438622/445613 co-relation queries the response was YES. Maximal size of possible extension queue 1499. Compared 168757 event pairs, 0 based on Foata normal form. 36/8499 useless extension candidates. Maximal degree in co-relation 0. Up to 1041 conditions per place. [2021-03-26 13:43:34,855 INFO L142 LiptonReduction]: Number of co-enabled transitions 5864 [2021-03-26 13:43:34,994 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:43:34,994 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:43:34,994 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2529 [2021-03-26 13:43:34,994 INFO L480 AbstractCegarLoop]: Abstraction has has 457 places, 1024 transitions, 46035 flow [2021-03-26 13:43:34,994 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:43:34,994 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:43:34,994 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 13:43:34,994 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-03-26 13:43:34,995 INFO L428 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:43:34,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:43:34,995 INFO L82 PathProgramCache]: Analyzing trace with hash -20444136, now seen corresponding path program 70 times [2021-03-26 13:43:34,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:43:34,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792815089] [2021-03-26 13:43:34,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:43:34,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:43:35,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:43:35,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:43:35,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:43:35,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:43:35,012 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:43:35,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:43:35,019 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:43:35,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:43:35,029 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:43:35,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:43:35,042 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:43:35,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:43:35,061 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:43:35,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:43:35,085 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:43:35,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:43:35,107 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 13:43:35,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792815089] [2021-03-26 13:43:35,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:43:35,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:43:35,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291381982] [2021-03-26 13:43:35,107 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:43:35,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:43:35,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:43:35,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:43:35,108 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:43:35,108 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 1024 transitions, 46035 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:43:35,108 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:43:35,108 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:43:35,108 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:43:40,781 INFO L129 PetriNetUnfolder]: 523/9935 cut-off events. [2021-03-26 13:43:40,781 INFO L130 PetriNetUnfolder]: For 483568/499017 co-relation queries the response was YES. [2021-03-26 13:43:40,937 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81568 conditions, 9935 events. 523/9935 cut-off events. For 483568/499017 co-relation queries the response was YES. Maximal size of possible extension queue 1565. Compared 178163 event pairs, 523 based on Foata normal form. 94/9529 useless extension candidates. Maximal degree in co-relation 81400. Up to 1828 conditions per place. [2021-03-26 13:43:40,957 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 457 selfloop transitions, 559 changer transitions 2/1032 dead transitions. [2021-03-26 13:43:40,958 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 465 places, 1032 transitions, 48224 flow [2021-03-26 13:43:40,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:43:40,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:43:40,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:43:40,959 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:43:40,959 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:43:40,959 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:43:40,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:43:40,959 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:43:40,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:43:40,960 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:43:40,960 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:43:40,960 INFO L185 Difference]: Start difference. First operand has 457 places, 1024 transitions, 46035 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:43:40,960 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 465 places, 1032 transitions, 48224 flow [2021-03-26 13:43:44,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 460 places, 1032 transitions, 47185 flow, removed 12 selfloop flow, removed 5 redundant places. [2021-03-26 13:43:44,898 INFO L241 Difference]: Finished difference. Result has 462 places, 1023 transitions, 46081 flow [2021-03-26 13:43:44,898 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=45006, PETRI_DIFFERENCE_MINUEND_PLACES=452, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1024, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=558, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=465, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=46081, PETRI_PLACES=462, PETRI_TRANSITIONS=1023} [2021-03-26 13:43:44,898 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 418 predicate places. [2021-03-26 13:43:44,898 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:43:44,898 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 462 places, 1023 transitions, 46081 flow [2021-03-26 13:43:44,898 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 462 places, 1023 transitions, 46081 flow [2021-03-26 13:43:44,911 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 461 places, 1023 transitions, 46081 flow [2021-03-26 13:43:47,322 INFO L129 PetriNetUnfolder]: 0/8962 cut-off events. [2021-03-26 13:43:47,322 INFO L130 PetriNetUnfolder]: For 437330/443525 co-relation queries the response was YES. [2021-03-26 13:43:47,322 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65516 conditions, 8962 events. 0/8962 cut-off events. For 437330/443525 co-relation queries the response was YES. Maximal size of possible extension queue 1497. Compared 168424 event pairs, 0 based on Foata normal form. 36/8497 useless extension candidates. Maximal degree in co-relation 0. Up to 1040 conditions per place. [2021-03-26 13:43:47,403 INFO L142 LiptonReduction]: Number of co-enabled transitions 5858 [2021-03-26 13:43:47,533 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:43:47,534 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:43:47,534 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2636 [2021-03-26 13:43:47,534 INFO L480 AbstractCegarLoop]: Abstraction has has 461 places, 1023 transitions, 46081 flow [2021-03-26 13:43:47,534 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:43:47,534 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:43:47,534 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 13:43:47,534 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-03-26 13:43:47,534 INFO L428 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:43:47,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:43:47,534 INFO L82 PathProgramCache]: Analyzing trace with hash 1751411010, now seen corresponding path program 71 times [2021-03-26 13:43:47,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:43:47,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230372531] [2021-03-26 13:43:47,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:43:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:43:47,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:43:47,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:43:47,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:43:47,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:43:47,548 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:43:47,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:43:47,554 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:43:47,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:43:47,564 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:43:47,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:43:47,576 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-03-26 13:43:47,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:43:47,604 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:43:47,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:43:47,627 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:43:47,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:43:47,648 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 13:43:47,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230372531] [2021-03-26 13:43:47,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:43:47,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:43:47,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342760384] [2021-03-26 13:43:47,649 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:43:47,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:43:47,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:43:47,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:43:47,649 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:43:47,649 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 461 places, 1023 transitions, 46081 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:43:47,649 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:43:47,649 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:43:47,649 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:43:53,277 INFO L129 PetriNetUnfolder]: 523/9925 cut-off events. [2021-03-26 13:43:53,277 INFO L130 PetriNetUnfolder]: For 482174/495603 co-relation queries the response was YES. [2021-03-26 13:43:53,342 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81603 conditions, 9925 events. 523/9925 cut-off events. For 482174/495603 co-relation queries the response was YES. Maximal size of possible extension queue 1563. Compared 177829 event pairs, 523 based on Foata normal form. 94/9519 useless extension candidates. Maximal degree in co-relation 81434. Up to 1828 conditions per place. [2021-03-26 13:43:53,360 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 470 selfloop transitions, 544 changer transitions 2/1030 dead transitions. [2021-03-26 13:43:53,360 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 469 places, 1030 transitions, 48221 flow [2021-03-26 13:43:53,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:43:53,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:43:53,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:43:53,361 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:43:53,361 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:43:53,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:43:53,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:43:53,361 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:43:53,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:43:53,362 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:43:53,362 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:43:53,362 INFO L185 Difference]: Start difference. First operand has 461 places, 1023 transitions, 46081 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:43:53,362 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 469 places, 1030 transitions, 48221 flow [2021-03-26 13:43:57,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 464 places, 1030 transitions, 47316 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-03-26 13:43:57,499 INFO L241 Difference]: Finished difference. Result has 466 places, 1023 transitions, 46300 flow [2021-03-26 13:43:57,500 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=45186, PETRI_DIFFERENCE_MINUEND_PLACES=456, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1023, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=542, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=479, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=46300, PETRI_PLACES=466, PETRI_TRANSITIONS=1023} [2021-03-26 13:43:57,500 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 422 predicate places. [2021-03-26 13:43:57,500 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:43:57,500 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 466 places, 1023 transitions, 46300 flow [2021-03-26 13:43:57,500 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 466 places, 1023 transitions, 46300 flow [2021-03-26 13:43:57,513 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 465 places, 1023 transitions, 46300 flow [2021-03-26 13:43:59,782 INFO L129 PetriNetUnfolder]: 0/8954 cut-off events. [2021-03-26 13:43:59,782 INFO L130 PetriNetUnfolder]: For 438100/443242 co-relation queries the response was YES. [2021-03-26 13:43:59,782 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65901 conditions, 8954 events. 0/8954 cut-off events. For 438100/443242 co-relation queries the response was YES. Maximal size of possible extension queue 1495. Compared 168255 event pairs, 0 based on Foata normal form. 37/8483 useless extension candidates. Maximal degree in co-relation 0. Up to 1039 conditions per place. [2021-03-26 13:43:59,971 INFO L142 LiptonReduction]: Number of co-enabled transitions 5860 [2021-03-26 13:44:00,105 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:44:00,105 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:44:00,106 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2606 [2021-03-26 13:44:00,106 INFO L480 AbstractCegarLoop]: Abstraction has has 465 places, 1023 transitions, 46300 flow [2021-03-26 13:44:00,106 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:44:00,106 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:44:00,106 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 13:44:00,106 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-03-26 13:44:00,106 INFO L428 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:44:00,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:44:00,106 INFO L82 PathProgramCache]: Analyzing trace with hash -1349280428, now seen corresponding path program 72 times [2021-03-26 13:44:00,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:44:00,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206902247] [2021-03-26 13:44:00,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:44:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:44:00,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:00,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:44:00,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:00,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:44:00,117 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:44:00,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:44:00,123 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:44:00,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:44:00,132 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:44:00,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:44:00,144 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-03-26 13:44:00,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:44:00,169 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:44:00,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:44:00,191 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:44:00,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:44:00,212 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 13:44:00,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206902247] [2021-03-26 13:44:00,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:44:00,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:44:00,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982224018] [2021-03-26 13:44:00,212 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:44:00,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:44:00,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:44:00,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:44:00,213 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:44:00,213 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 465 places, 1023 transitions, 46300 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:44:00,213 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:44:00,213 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:44:00,213 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:44:05,815 INFO L129 PetriNetUnfolder]: 523/9917 cut-off events. [2021-03-26 13:44:05,815 INFO L130 PetriNetUnfolder]: For 485489/498923 co-relation queries the response was YES. [2021-03-26 13:44:05,883 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81985 conditions, 9917 events. 523/9917 cut-off events. For 485489/498923 co-relation queries the response was YES. Maximal size of possible extension queue 1561. Compared 177704 event pairs, 523 based on Foata normal form. 96/9513 useless extension candidates. Maximal degree in co-relation 81815. Up to 1828 conditions per place. [2021-03-26 13:44:05,901 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 472 selfloop transitions, 541 changer transitions 1/1028 dead transitions. [2021-03-26 13:44:05,902 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 473 places, 1028 transitions, 48348 flow [2021-03-26 13:44:05,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:44:05,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:44:05,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:44:05,903 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:44:05,903 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:44:05,903 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:44:05,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:44:05,903 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:44:05,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:44:05,904 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:44:05,904 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:44:05,904 INFO L185 Difference]: Start difference. First operand has 465 places, 1023 transitions, 46300 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:44:05,904 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 473 places, 1028 transitions, 48348 flow [2021-03-26 13:44:09,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 468 places, 1028 transitions, 47301 flow, removed 16 selfloop flow, removed 5 redundant places. [2021-03-26 13:44:09,978 INFO L241 Difference]: Finished difference. Result has 469 places, 1022 transitions, 46275 flow [2021-03-26 13:44:09,978 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=45263, PETRI_DIFFERENCE_MINUEND_PLACES=460, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1023, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=541, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=482, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=46275, PETRI_PLACES=469, PETRI_TRANSITIONS=1022} [2021-03-26 13:44:09,978 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 425 predicate places. [2021-03-26 13:44:09,978 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:44:09,978 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 469 places, 1022 transitions, 46275 flow [2021-03-26 13:44:09,978 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 469 places, 1022 transitions, 46275 flow [2021-03-26 13:44:09,991 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 468 places, 1022 transitions, 46275 flow [2021-03-26 13:44:12,336 INFO L129 PetriNetUnfolder]: 0/8947 cut-off events. [2021-03-26 13:44:12,336 INFO L130 PetriNetUnfolder]: For 438800/444132 co-relation queries the response was YES. [2021-03-26 13:44:12,336 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65972 conditions, 8947 events. 0/8947 cut-off events. For 438800/444132 co-relation queries the response was YES. Maximal size of possible extension queue 1494. Compared 168187 event pairs, 0 based on Foata normal form. 37/8482 useless extension candidates. Maximal degree in co-relation 0. Up to 1038 conditions per place. [2021-03-26 13:44:12,415 INFO L142 LiptonReduction]: Number of co-enabled transitions 5856 [2021-03-26 13:44:12,554 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:44:12,554 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:44:12,554 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2576 [2021-03-26 13:44:12,554 INFO L480 AbstractCegarLoop]: Abstraction has has 468 places, 1022 transitions, 46275 flow [2021-03-26 13:44:12,555 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:44:12,555 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:44:12,555 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 13:44:12,555 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-03-26 13:44:12,555 INFO L428 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:44:12,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:44:12,555 INFO L82 PathProgramCache]: Analyzing trace with hash -757023354, now seen corresponding path program 73 times [2021-03-26 13:44:12,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:44:12,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286682467] [2021-03-26 13:44:12,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:44:12,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:44:12,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:12,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:44:12,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:12,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:44:12,572 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:44:12,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:44:12,579 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:44:12,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:44:12,588 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:44:12,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:44:12,611 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:44:12,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:44:12,740 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2021-03-26 13:44:12,741 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:44:12,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:44:12,762 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:44:12,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:44:12,783 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 13:44:12,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286682467] [2021-03-26 13:44:12,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:44:12,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:44:12,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184707063] [2021-03-26 13:44:12,783 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:44:12,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:44:12,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:44:12,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:44:12,784 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:44:12,784 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 468 places, 1022 transitions, 46275 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:44:12,784 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:44:12,784 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:44:12,784 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:44:14,457 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 26 [2021-03-26 13:44:18,306 INFO L129 PetriNetUnfolder]: 523/9910 cut-off events. [2021-03-26 13:44:18,306 INFO L130 PetriNetUnfolder]: For 484548/497982 co-relation queries the response was YES. [2021-03-26 13:44:18,375 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82054 conditions, 9910 events. 523/9910 cut-off events. For 484548/497982 co-relation queries the response was YES. Maximal size of possible extension queue 1561. Compared 177564 event pairs, 523 based on Foata normal form. 74/9484 useless extension candidates. Maximal degree in co-relation 81884. Up to 1720 conditions per place. [2021-03-26 13:44:18,394 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 497 selfloop transitions, 550 changer transitions 2/1063 dead transitions. [2021-03-26 13:44:18,394 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 476 places, 1063 transitions, 49881 flow [2021-03-26 13:44:18,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:44:18,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:44:18,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:44:18,395 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:44:18,395 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:44:18,395 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:44:18,396 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:44:18,396 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:44:18,396 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:44:18,396 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:44:18,397 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:44:18,397 INFO L185 Difference]: Start difference. First operand has 468 places, 1022 transitions, 46275 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:44:18,397 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 476 places, 1063 transitions, 49881 flow [2021-03-26 13:44:22,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 470 places, 1063 transitions, 48765 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-26 13:44:22,376 INFO L241 Difference]: Finished difference. Result has 473 places, 1033 transitions, 46862 flow [2021-03-26 13:44:22,376 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=45203, PETRI_DIFFERENCE_MINUEND_PLACES=462, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1022, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=538, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=472, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=46862, PETRI_PLACES=473, PETRI_TRANSITIONS=1033} [2021-03-26 13:44:22,376 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 429 predicate places. [2021-03-26 13:44:22,377 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:44:22,377 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 473 places, 1033 transitions, 46862 flow [2021-03-26 13:44:22,377 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 473 places, 1033 transitions, 46862 flow [2021-03-26 13:44:22,389 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 472 places, 1033 transitions, 46862 flow [2021-03-26 13:44:24,752 INFO L129 PetriNetUnfolder]: 0/8939 cut-off events. [2021-03-26 13:44:24,752 INFO L130 PetriNetUnfolder]: For 442492/447813 co-relation queries the response was YES. [2021-03-26 13:44:24,752 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66214 conditions, 8939 events. 0/8939 cut-off events. For 442492/447813 co-relation queries the response was YES. Maximal size of possible extension queue 1492. Compared 167912 event pairs, 0 based on Foata normal form. 37/8462 useless extension candidates. Maximal degree in co-relation 0. Up to 1037 conditions per place. [2021-03-26 13:44:24,829 INFO L142 LiptonReduction]: Number of co-enabled transitions 5944 [2021-03-26 13:44:24,964 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:44:24,965 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:44:24,965 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2589 [2021-03-26 13:44:24,965 INFO L480 AbstractCegarLoop]: Abstraction has has 472 places, 1033 transitions, 46862 flow [2021-03-26 13:44:24,965 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:44:24,965 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:44:24,965 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 13:44:24,965 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-03-26 13:44:24,965 INFO L428 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:44:24,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:44:24,965 INFO L82 PathProgramCache]: Analyzing trace with hash -177274904, now seen corresponding path program 74 times [2021-03-26 13:44:24,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:44:24,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332392585] [2021-03-26 13:44:24,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:44:24,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:44:24,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:24,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:44:24,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:24,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:44:24,977 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:44:24,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:44:24,983 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:44:24,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:44:24,992 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:44:24,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:44:25,018 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:44:25,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:44:25,039 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:44:25,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:44:25,061 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:44:25,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:44:25,081 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 13:44:25,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332392585] [2021-03-26 13:44:25,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:44:25,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:44:25,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967365516] [2021-03-26 13:44:25,081 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:44:25,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:44:25,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:44:25,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:44:25,082 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:44:25,082 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 472 places, 1033 transitions, 46862 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:44:25,082 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:44:25,082 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:44:25,082 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:44:30,925 INFO L129 PetriNetUnfolder]: 523/9902 cut-off events. [2021-03-26 13:44:30,926 INFO L130 PetriNetUnfolder]: For 490794/504228 co-relation queries the response was YES. [2021-03-26 13:44:30,994 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82293 conditions, 9902 events. 523/9902 cut-off events. For 490794/504228 co-relation queries the response was YES. Maximal size of possible extension queue 1559. Compared 177452 event pairs, 523 based on Foata normal form. 74/9473 useless extension candidates. Maximal degree in co-relation 82121. Up to 1720 conditions per place. [2021-03-26 13:44:31,094 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 491 selfloop transitions, 549 changer transitions 1/1055 dead transitions. [2021-03-26 13:44:31,094 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 480 places, 1055 transitions, 49657 flow [2021-03-26 13:44:31,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:44:31,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:44:31,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:44:31,095 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:44:31,095 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:44:31,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:44:31,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:44:31,095 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:44:31,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:44:31,096 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:44:31,096 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:44:31,096 INFO L185 Difference]: Start difference. First operand has 472 places, 1033 transitions, 46862 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:44:31,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 480 places, 1055 transitions, 49657 flow [2021-03-26 13:44:35,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 475 places, 1055 transitions, 48667 flow, removed 13 selfloop flow, removed 5 redundant places. [2021-03-26 13:44:35,138 INFO L241 Difference]: Finished difference. Result has 477 places, 1034 transitions, 47059 flow [2021-03-26 13:44:35,138 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=45882, PETRI_DIFFERENCE_MINUEND_PLACES=467, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1033, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=547, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=484, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=47059, PETRI_PLACES=477, PETRI_TRANSITIONS=1034} [2021-03-26 13:44:35,138 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 433 predicate places. [2021-03-26 13:44:35,138 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:44:35,138 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 477 places, 1034 transitions, 47059 flow [2021-03-26 13:44:35,139 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 477 places, 1034 transitions, 47059 flow [2021-03-26 13:44:35,151 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 476 places, 1034 transitions, 47059 flow [2021-03-26 13:44:37,467 INFO L129 PetriNetUnfolder]: 0/8935 cut-off events. [2021-03-26 13:44:37,468 INFO L130 PetriNetUnfolder]: For 445797/452216 co-relation queries the response was YES. [2021-03-26 13:44:37,468 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66380 conditions, 8935 events. 0/8935 cut-off events. For 445797/452216 co-relation queries the response was YES. Maximal size of possible extension queue 1491. Compared 167829 event pairs, 0 based on Foata normal form. 36/8455 useless extension candidates. Maximal degree in co-relation 0. Up to 1036 conditions per place. [2021-03-26 13:44:37,550 INFO L142 LiptonReduction]: Number of co-enabled transitions 5958 [2021-03-26 13:44:37,689 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:44:37,690 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:44:37,690 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2552 [2021-03-26 13:44:37,690 INFO L480 AbstractCegarLoop]: Abstraction has has 476 places, 1034 transitions, 47059 flow [2021-03-26 13:44:37,690 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:44:37,690 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:44:37,690 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 13:44:37,690 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-03-26 13:44:37,690 INFO L428 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:44:37,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:44:37,690 INFO L82 PathProgramCache]: Analyzing trace with hash -1457430648, now seen corresponding path program 75 times [2021-03-26 13:44:37,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:44:37,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960314974] [2021-03-26 13:44:37,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:44:37,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:44:37,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:37,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:44:37,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:37,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:44:37,701 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:44:37,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:44:37,707 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:44:37,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:44:37,718 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:44:37,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:44:37,732 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:44:37,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:44:37,749 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:44:37,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:44:37,771 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:44:37,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:44:37,793 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 13:44:37,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960314974] [2021-03-26 13:44:37,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:44:37,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:44:37,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982649457] [2021-03-26 13:44:37,793 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:44:37,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:44:37,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:44:37,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:44:37,794 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:44:37,794 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 476 places, 1034 transitions, 47059 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:44:37,794 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:44:37,794 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:44:37,794 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:44:43,584 INFO L129 PetriNetUnfolder]: 523/9898 cut-off events. [2021-03-26 13:44:43,584 INFO L130 PetriNetUnfolder]: For 491369/504803 co-relation queries the response was YES. [2021-03-26 13:44:43,654 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82457 conditions, 9898 events. 523/9898 cut-off events. For 491369/504803 co-relation queries the response was YES. Maximal size of possible extension queue 1558. Compared 177357 event pairs, 523 based on Foata normal form. 74/9470 useless extension candidates. Maximal degree in co-relation 82284. Up to 1720 conditions per place. [2021-03-26 13:44:43,673 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 521 selfloop transitions, 543 changer transitions 1/1079 dead transitions. [2021-03-26 13:44:43,673 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 484 places, 1079 transitions, 51016 flow [2021-03-26 13:44:43,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:44:43,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:44:43,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:44:43,674 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:44:43,674 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:44:43,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:44:43,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:44:43,674 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:44:43,674 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:44:43,675 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:44:43,675 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:44:43,675 INFO L185 Difference]: Start difference. First operand has 476 places, 1034 transitions, 47059 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:44:43,675 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 484 places, 1079 transitions, 51016 flow [2021-03-26 13:44:47,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 479 places, 1079 transitions, 50041 flow, removed 57 selfloop flow, removed 5 redundant places. [2021-03-26 13:44:47,850 INFO L241 Difference]: Finished difference. Result has 482 places, 1063 transitions, 48741 flow [2021-03-26 13:44:47,850 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=46114, PETRI_DIFFERENCE_MINUEND_PLACES=471, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1034, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=513, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=491, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=48741, PETRI_PLACES=482, PETRI_TRANSITIONS=1063} [2021-03-26 13:44:47,851 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 438 predicate places. [2021-03-26 13:44:47,851 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:44:47,851 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 482 places, 1063 transitions, 48741 flow [2021-03-26 13:44:47,851 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 482 places, 1063 transitions, 48741 flow [2021-03-26 13:44:47,864 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 481 places, 1063 transitions, 48741 flow [2021-03-26 13:44:50,230 INFO L129 PetriNetUnfolder]: 0/8929 cut-off events. [2021-03-26 13:44:50,230 INFO L130 PetriNetUnfolder]: For 455287/461706 co-relation queries the response was YES. [2021-03-26 13:44:50,231 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67258 conditions, 8929 events. 0/8929 cut-off events. For 455287/461706 co-relation queries the response was YES. Maximal size of possible extension queue 1490. Compared 167670 event pairs, 0 based on Foata normal form. 36/8445 useless extension candidates. Maximal degree in co-relation 0. Up to 1035 conditions per place. [2021-03-26 13:44:50,463 INFO L142 LiptonReduction]: Number of co-enabled transitions 6160 [2021-03-26 13:44:50,608 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:44:50,608 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:44:50,608 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2757 [2021-03-26 13:44:50,608 INFO L480 AbstractCegarLoop]: Abstraction has has 481 places, 1063 transitions, 48741 flow [2021-03-26 13:44:50,608 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:44:50,608 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:44:50,608 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 13:44:50,608 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-03-26 13:44:50,608 INFO L428 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:44:50,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:44:50,609 INFO L82 PathProgramCache]: Analyzing trace with hash 850628048, now seen corresponding path program 76 times [2021-03-26 13:44:50,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:44:50,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852297007] [2021-03-26 13:44:50,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:44:50,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:44:50,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:50,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:44:50,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:50,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:44:50,620 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:44:50,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:44:50,626 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:44:50,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:44:50,636 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:44:50,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:44:50,650 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:44:50,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:44:50,668 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:44:50,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:44:50,690 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:44:50,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:44:50,711 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 13:44:50,711 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852297007] [2021-03-26 13:44:50,711 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:44:50,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:44:50,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130241581] [2021-03-26 13:44:50,711 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:44:50,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:44:50,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:44:50,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:44:50,712 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:44:50,712 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 481 places, 1063 transitions, 48741 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:44:50,712 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:44:50,712 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:44:50,712 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:44:56,470 INFO L129 PetriNetUnfolder]: 523/9892 cut-off events. [2021-03-26 13:44:56,470 INFO L130 PetriNetUnfolder]: For 501848/515282 co-relation queries the response was YES. [2021-03-26 13:44:56,541 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83333 conditions, 9892 events. 523/9892 cut-off events. For 501848/515282 co-relation queries the response was YES. Maximal size of possible extension queue 1557. Compared 177254 event pairs, 523 based on Foata normal form. 74/9486 useless extension candidates. Maximal degree in co-relation 83159. Up to 1720 conditions per place. [2021-03-26 13:44:56,560 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 520 selfloop transitions, 541 changer transitions 3/1078 dead transitions. [2021-03-26 13:44:56,560 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 1078 transitions, 51400 flow [2021-03-26 13:44:56,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:44:56,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:44:56,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:44:56,561 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:44:56,561 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:44:56,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:44:56,561 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:44:56,561 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:44:56,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:44:56,562 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:44:56,562 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:44:56,562 INFO L185 Difference]: Start difference. First operand has 481 places, 1063 transitions, 48741 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:44:56,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 489 places, 1078 transitions, 51400 flow [2021-03-26 13:45:01,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 484 places, 1078 transitions, 50528 flow, removed 44 selfloop flow, removed 5 redundant places. [2021-03-26 13:45:01,034 INFO L241 Difference]: Finished difference. Result has 486 places, 1064 transitions, 49079 flow [2021-03-26 13:45:01,035 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=47879, PETRI_DIFFERENCE_MINUEND_PLACES=476, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1063, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=538, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=522, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=49079, PETRI_PLACES=486, PETRI_TRANSITIONS=1064} [2021-03-26 13:45:01,035 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 442 predicate places. [2021-03-26 13:45:01,035 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:45:01,035 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 486 places, 1064 transitions, 49079 flow [2021-03-26 13:45:01,035 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 486 places, 1064 transitions, 49079 flow [2021-03-26 13:45:01,048 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 485 places, 1064 transitions, 49079 flow [2021-03-26 13:45:03,509 INFO L129 PetriNetUnfolder]: 0/8919 cut-off events. [2021-03-26 13:45:03,509 INFO L130 PetriNetUnfolder]: For 455696/462122 co-relation queries the response was YES. [2021-03-26 13:45:03,509 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67662 conditions, 8919 events. 0/8919 cut-off events. For 455696/462122 co-relation queries the response was YES. Maximal size of possible extension queue 1488. Compared 167514 event pairs, 0 based on Foata normal form. 36/8430 useless extension candidates. Maximal degree in co-relation 0. Up to 1034 conditions per place. [2021-03-26 13:45:03,588 INFO L142 LiptonReduction]: Number of co-enabled transitions 6164 [2021-03-26 13:45:03,732 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:45:03,732 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:45:03,732 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2697 [2021-03-26 13:45:03,732 INFO L480 AbstractCegarLoop]: Abstraction has has 485 places, 1064 transitions, 49079 flow [2021-03-26 13:45:03,733 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:45:03,733 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:45:03,733 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 13:45:03,733 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2021-03-26 13:45:03,733 INFO L428 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:45:03,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:45:03,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1514833396, now seen corresponding path program 77 times [2021-03-26 13:45:03,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:45:03,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228372113] [2021-03-26 13:45:03,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:45:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:45:03,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:03,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:45:03,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:03,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:45:03,751 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:45:03,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:45:03,757 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:45:03,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:45:03,766 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:45:03,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:45:03,787 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 13:45:03,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 13:45:03,816 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 13:45:03,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:45:03,839 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:45:03,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:45:03,860 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 13:45:03,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228372113] [2021-03-26 13:45:03,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:45:03,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:45:03,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861113269] [2021-03-26 13:45:03,860 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:45:03,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:45:03,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:45:03,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:45:03,861 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:45:03,861 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 485 places, 1064 transitions, 49079 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:45:03,861 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:45:03,861 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:45:03,861 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:45:09,733 INFO L129 PetriNetUnfolder]: 523/9882 cut-off events. [2021-03-26 13:45:09,733 INFO L130 PetriNetUnfolder]: For 501420/514840 co-relation queries the response was YES. [2021-03-26 13:45:09,801 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83732 conditions, 9882 events. 523/9882 cut-off events. For 501420/514840 co-relation queries the response was YES. Maximal size of possible extension queue 1555. Compared 176998 event pairs, 523 based on Foata normal form. 74/9476 useless extension candidates. Maximal degree in co-relation 83558. Up to 1720 conditions per place. [2021-03-26 13:45:09,820 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 519 selfloop transitions, 540 changer transitions 2/1075 dead transitions. [2021-03-26 13:45:09,820 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 493 places, 1075 transitions, 51511 flow [2021-03-26 13:45:09,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:45:09,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:45:09,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:45:09,821 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:45:09,821 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:45:09,821 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:45:09,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:45:09,821 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:45:09,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:45:09,822 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:45:09,822 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:45:09,822 INFO L185 Difference]: Start difference. First operand has 485 places, 1064 transitions, 49079 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:45:09,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 493 places, 1075 transitions, 51511 flow [2021-03-26 13:45:14,066 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 487 places, 1075 transitions, 50449 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-03-26 13:45:14,091 INFO L241 Difference]: Finished difference. Result has 488 places, 1062 transitions, 49006 flow [2021-03-26 13:45:14,092 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=48027, PETRI_DIFFERENCE_MINUEND_PLACES=479, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1064, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=540, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=524, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=49006, PETRI_PLACES=488, PETRI_TRANSITIONS=1062} [2021-03-26 13:45:14,092 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 444 predicate places. [2021-03-26 13:45:14,092 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:45:14,092 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 488 places, 1062 transitions, 49006 flow [2021-03-26 13:45:14,092 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 488 places, 1062 transitions, 49006 flow [2021-03-26 13:45:14,105 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 487 places, 1062 transitions, 49006 flow [2021-03-26 13:45:16,471 INFO L129 PetriNetUnfolder]: 0/8910 cut-off events. [2021-03-26 13:45:16,471 INFO L130 PetriNetUnfolder]: For 455776/462202 co-relation queries the response was YES. [2021-03-26 13:45:16,472 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67612 conditions, 8910 events. 0/8910 cut-off events. For 455776/462202 co-relation queries the response was YES. Maximal size of possible extension queue 1486. Compared 167329 event pairs, 0 based on Foata normal form. 36/8429 useless extension candidates. Maximal degree in co-relation 0. Up to 1033 conditions per place. [2021-03-26 13:45:16,553 INFO L142 LiptonReduction]: Number of co-enabled transitions 6144 [2021-03-26 13:45:16,721 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:45:16,721 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:45:16,721 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2629 [2021-03-26 13:45:16,721 INFO L480 AbstractCegarLoop]: Abstraction has has 487 places, 1062 transitions, 49006 flow [2021-03-26 13:45:16,722 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:45:16,722 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:45:16,722 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 13:45:16,722 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-03-26 13:45:16,722 INFO L428 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:45:16,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:45:16,722 INFO L82 PathProgramCache]: Analyzing trace with hash -1025901608, now seen corresponding path program 78 times [2021-03-26 13:45:16,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:45:16,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544971828] [2021-03-26 13:45:16,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:45:16,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:45:16,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:16,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:45:16,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:16,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:45:16,733 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:45:16,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:45:16,739 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:45:16,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:45:16,748 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:45:16,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:45:16,772 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:45:16,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:45:16,790 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:45:16,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:45:16,812 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:45:16,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:45:16,833 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 13:45:16,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544971828] [2021-03-26 13:45:16,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:45:16,833 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:45:16,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055073803] [2021-03-26 13:45:16,833 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:45:16,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:45:16,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:45:16,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:45:16,834 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:45:16,834 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 487 places, 1062 transitions, 49006 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:45:16,834 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:45:16,834 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:45:16,834 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:45:22,819 INFO L129 PetriNetUnfolder]: 523/9873 cut-off events. [2021-03-26 13:45:22,819 INFO L130 PetriNetUnfolder]: For 500726/514146 co-relation queries the response was YES. [2021-03-26 13:45:22,891 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83678 conditions, 9873 events. 523/9873 cut-off events. For 500726/514146 co-relation queries the response was YES. Maximal size of possible extension queue 1553. Compared 176715 event pairs, 523 based on Foata normal form. 74/9468 useless extension candidates. Maximal degree in co-relation 83504. Up to 1720 conditions per place. [2021-03-26 13:45:22,911 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 511 selfloop transitions, 546 changer transitions 2/1073 dead transitions. [2021-03-26 13:45:22,911 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 495 places, 1073 transitions, 51434 flow [2021-03-26 13:45:22,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:45:22,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:45:22,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:45:22,912 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:45:22,912 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:45:22,912 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:45:22,912 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:45:22,912 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:45:22,912 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:45:22,913 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:45:22,913 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:45:22,913 INFO L185 Difference]: Start difference. First operand has 487 places, 1062 transitions, 49006 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:45:22,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 495 places, 1073 transitions, 51434 flow [2021-03-26 13:45:27,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 489 places, 1073 transitions, 50366 flow, removed 8 selfloop flow, removed 6 redundant places. [2021-03-26 13:45:27,334 INFO L241 Difference]: Finished difference. Result has 491 places, 1062 transitions, 49058 flow [2021-03-26 13:45:27,335 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=47948, PETRI_DIFFERENCE_MINUEND_PLACES=481, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1062, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=544, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=516, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=49058, PETRI_PLACES=491, PETRI_TRANSITIONS=1062} [2021-03-26 13:45:27,335 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 447 predicate places. [2021-03-26 13:45:27,335 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:45:27,335 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 491 places, 1062 transitions, 49058 flow [2021-03-26 13:45:27,335 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 491 places, 1062 transitions, 49058 flow [2021-03-26 13:45:27,349 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 490 places, 1062 transitions, 49058 flow [2021-03-26 13:45:29,898 INFO L129 PetriNetUnfolder]: 0/8901 cut-off events. [2021-03-26 13:45:29,899 INFO L130 PetriNetUnfolder]: For 453671/458786 co-relation queries the response was YES. [2021-03-26 13:45:29,899 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67564 conditions, 8901 events. 0/8901 cut-off events. For 453671/458786 co-relation queries the response was YES. Maximal size of possible extension queue 1485. Compared 167069 event pairs, 0 based on Foata normal form. 37/8416 useless extension candidates. Maximal degree in co-relation 0. Up to 1032 conditions per place. [2021-03-26 13:45:29,976 INFO L142 LiptonReduction]: Number of co-enabled transitions 6148 [2021-03-26 13:45:30,116 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:45:30,117 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:45:30,117 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2782 [2021-03-26 13:45:30,117 INFO L480 AbstractCegarLoop]: Abstraction has has 490 places, 1062 transitions, 49058 flow [2021-03-26 13:45:30,117 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:45:30,117 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:45:30,117 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 13:45:30,117 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-03-26 13:45:30,117 INFO L428 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:45:30,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:45:30,117 INFO L82 PathProgramCache]: Analyzing trace with hash 481848238, now seen corresponding path program 79 times [2021-03-26 13:45:30,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:45:30,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11515745] [2021-03-26 13:45:30,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:45:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:45:30,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:30,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:45:30,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:30,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:45:30,130 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:45:30,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:45:30,136 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:45:30,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:45:30,145 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:45:30,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:45:30,161 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:45:30,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:45:30,179 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:45:30,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:45:30,204 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:45:30,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:45:30,225 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 13:45:30,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11515745] [2021-03-26 13:45:30,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:45:30,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:45:30,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848343453] [2021-03-26 13:45:30,225 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:45:30,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:45:30,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:45:30,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:45:30,226 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:45:30,226 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 490 places, 1062 transitions, 49058 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:45:30,226 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:45:30,226 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:45:30,226 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:45:36,053 INFO L129 PetriNetUnfolder]: 523/9864 cut-off events. [2021-03-26 13:45:36,054 INFO L130 PetriNetUnfolder]: For 500693/514108 co-relation queries the response was YES. [2021-03-26 13:45:36,126 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83626 conditions, 9864 events. 523/9864 cut-off events. For 500693/514108 co-relation queries the response was YES. Maximal size of possible extension queue 1552. Compared 176586 event pairs, 523 based on Foata normal form. 72/9457 useless extension candidates. Maximal degree in co-relation 83451. Up to 1720 conditions per place. [2021-03-26 13:45:36,147 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 530 selfloop transitions, 527 changer transitions 2/1073 dead transitions. [2021-03-26 13:45:36,147 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 498 places, 1073 transitions, 51472 flow [2021-03-26 13:45:36,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:45:36,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:45:36,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:45:36,148 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:45:36,148 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:45:36,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:45:36,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:45:36,148 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:45:36,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:45:36,149 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:45:36,149 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:45:36,149 INFO L185 Difference]: Start difference. First operand has 490 places, 1062 transitions, 49058 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:45:36,149 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 498 places, 1073 transitions, 51472 flow [2021-03-26 13:45:40,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 492 places, 1073 transitions, 50393 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-03-26 13:45:40,603 INFO L241 Difference]: Finished difference. Result has 493 places, 1060 transitions, 48929 flow [2021-03-26 13:45:40,604 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=47989, PETRI_DIFFERENCE_MINUEND_PLACES=484, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1062, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=527, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=535, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=48929, PETRI_PLACES=493, PETRI_TRANSITIONS=1060} [2021-03-26 13:45:40,604 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 449 predicate places. [2021-03-26 13:45:40,604 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:45:40,604 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 493 places, 1060 transitions, 48929 flow [2021-03-26 13:45:40,604 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 493 places, 1060 transitions, 48929 flow [2021-03-26 13:45:40,618 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 492 places, 1060 transitions, 48929 flow [2021-03-26 13:45:43,044 INFO L129 PetriNetUnfolder]: 0/8893 cut-off events. [2021-03-26 13:45:43,044 INFO L130 PetriNetUnfolder]: For 454580/459905 co-relation queries the response was YES. [2021-03-26 13:45:43,045 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67515 conditions, 8893 events. 0/8893 cut-off events. For 454580/459905 co-relation queries the response was YES. Maximal size of possible extension queue 1483. Compared 166878 event pairs, 0 based on Foata normal form. 37/8404 useless extension candidates. Maximal degree in co-relation 0. Up to 1031 conditions per place. [2021-03-26 13:45:43,129 INFO L142 LiptonReduction]: Number of co-enabled transitions 6138 [2021-03-26 13:45:43,276 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:45:43,277 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:45:43,277 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2673 [2021-03-26 13:45:43,277 INFO L480 AbstractCegarLoop]: Abstraction has has 492 places, 1060 transitions, 48929 flow [2021-03-26 13:45:43,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:45:43,277 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:45:43,277 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 13:45:43,277 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2021-03-26 13:45:43,277 INFO L428 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:45:43,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:45:43,277 INFO L82 PathProgramCache]: Analyzing trace with hash -360982678, now seen corresponding path program 80 times [2021-03-26 13:45:43,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:45:43,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428598410] [2021-03-26 13:45:43,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:45:43,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:45:43,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:43,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:45:43,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:43,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:45:43,297 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:45:43,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:45:43,303 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:45:43,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:45:43,313 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:45:43,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:45:43,335 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 13:45:43,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 13:45:43,362 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:45:43,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:45:43,385 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:45:43,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:45:43,406 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 13:45:43,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428598410] [2021-03-26 13:45:43,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:45:43,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:45:43,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360577403] [2021-03-26 13:45:43,407 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:45:43,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:45:43,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:45:43,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:45:43,408 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:45:43,408 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 492 places, 1060 transitions, 48929 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:45:43,408 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:45:43,408 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:45:43,408 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:45:49,309 INFO L129 PetriNetUnfolder]: 523/9856 cut-off events. [2021-03-26 13:45:49,309 INFO L130 PetriNetUnfolder]: For 500134/513554 co-relation queries the response was YES. [2021-03-26 13:45:49,382 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83574 conditions, 9856 events. 523/9856 cut-off events. For 500134/513554 co-relation queries the response was YES. Maximal size of possible extension queue 1550. Compared 176366 event pairs, 523 based on Foata normal form. 74/9451 useless extension candidates. Maximal degree in co-relation 83399. Up to 1720 conditions per place. [2021-03-26 13:45:49,401 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 512 selfloop transitions, 541 changer transitions 2/1069 dead transitions. [2021-03-26 13:45:49,401 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 500 places, 1069 transitions, 51257 flow [2021-03-26 13:45:49,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:45:49,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:45:49,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:45:49,402 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:45:49,402 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:45:49,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:45:49,402 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:45:49,402 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:45:49,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:45:49,403 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:45:49,403 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:45:49,403 INFO L185 Difference]: Start difference. First operand has 492 places, 1060 transitions, 48929 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:45:49,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 500 places, 1069 transitions, 51257 flow [2021-03-26 13:45:53,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 495 places, 1069 transitions, 50407 flow, removed 21 selfloop flow, removed 5 redundant places. [2021-03-26 13:45:53,688 INFO L241 Difference]: Finished difference. Result has 497 places, 1062 transitions, 49352 flow [2021-03-26 13:45:53,688 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=48089, PETRI_DIFFERENCE_MINUEND_PLACES=487, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1060, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=537, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=519, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=49352, PETRI_PLACES=497, PETRI_TRANSITIONS=1062} [2021-03-26 13:45:53,688 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 453 predicate places. [2021-03-26 13:45:53,688 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:45:53,689 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 497 places, 1062 transitions, 49352 flow [2021-03-26 13:45:53,689 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 497 places, 1062 transitions, 49352 flow [2021-03-26 13:45:53,702 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 496 places, 1062 transitions, 49352 flow [2021-03-26 13:45:56,222 INFO L129 PetriNetUnfolder]: 0/8885 cut-off events. [2021-03-26 13:45:56,223 INFO L130 PetriNetUnfolder]: For 455072/460383 co-relation queries the response was YES. [2021-03-26 13:45:56,223 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68025 conditions, 8885 events. 0/8885 cut-off events. For 455072/460383 co-relation queries the response was YES. Maximal size of possible extension queue 1483. Compared 166819 event pairs, 0 based on Foata normal form. 37/8394 useless extension candidates. Maximal degree in co-relation 0. Up to 1030 conditions per place. [2021-03-26 13:45:56,312 INFO L142 LiptonReduction]: Number of co-enabled transitions 6158 [2021-03-26 13:45:56,467 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:45:56,467 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:45:56,467 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2779 [2021-03-26 13:45:56,468 INFO L480 AbstractCegarLoop]: Abstraction has has 496 places, 1062 transitions, 49352 flow [2021-03-26 13:45:56,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:45:56,468 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:45:56,468 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 13:45:56,468 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2021-03-26 13:45:56,468 INFO L428 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:45:56,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:45:56,468 INFO L82 PathProgramCache]: Analyzing trace with hash -1814298980, now seen corresponding path program 81 times [2021-03-26 13:45:56,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:45:56,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620829423] [2021-03-26 13:45:56,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:45:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:45:56,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:56,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:45:56,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:56,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:45:56,482 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:45:56,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:45:56,489 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:45:56,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:45:56,498 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:45:56,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:45:56,521 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 13:45:56,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 13:45:56,549 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 13:45:56,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:45:56,573 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:45:56,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:45:56,601 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 13:45:56,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620829423] [2021-03-26 13:45:56,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:45:56,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:45:56,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231439397] [2021-03-26 13:45:56,601 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:45:56,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:45:56,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:45:56,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:45:56,602 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:45:56,602 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 496 places, 1062 transitions, 49352 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:45:56,602 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:45:56,602 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:45:56,602 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:46:02,375 INFO L129 PetriNetUnfolder]: 523/9848 cut-off events. [2021-03-26 13:46:02,376 INFO L130 PetriNetUnfolder]: For 503064/516484 co-relation queries the response was YES. [2021-03-26 13:46:02,540 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84081 conditions, 9848 events. 523/9848 cut-off events. For 503064/516484 co-relation queries the response was YES. Maximal size of possible extension queue 1549. Compared 176298 event pairs, 523 based on Foata normal form. 74/9443 useless extension candidates. Maximal degree in co-relation 83906. Up to 1720 conditions per place. [2021-03-26 13:46:02,558 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 512 selfloop transitions, 539 changer transitions 2/1067 dead transitions. [2021-03-26 13:46:02,558 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 504 places, 1067 transitions, 51478 flow [2021-03-26 13:46:02,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:46:02,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:46:02,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:46:02,559 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:46:02,559 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:46:02,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:46:02,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:46:02,559 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:46:02,560 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:46:02,560 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:46:02,560 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:46:02,560 INFO L185 Difference]: Start difference. First operand has 496 places, 1062 transitions, 49352 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:46:02,560 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 504 places, 1067 transitions, 51478 flow [2021-03-26 13:46:06,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 499 places, 1067 transitions, 50480 flow, removed 18 selfloop flow, removed 5 redundant places. [2021-03-26 13:46:06,789 INFO L241 Difference]: Finished difference. Result has 500 places, 1060 transitions, 49321 flow [2021-03-26 13:46:06,790 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=48364, PETRI_DIFFERENCE_MINUEND_PLACES=491, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1062, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=539, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=523, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=49321, PETRI_PLACES=500, PETRI_TRANSITIONS=1060} [2021-03-26 13:46:06,790 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 456 predicate places. [2021-03-26 13:46:06,790 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:46:06,790 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 500 places, 1060 transitions, 49321 flow [2021-03-26 13:46:06,790 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 500 places, 1060 transitions, 49321 flow [2021-03-26 13:46:06,804 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 499 places, 1060 transitions, 49321 flow [2021-03-26 13:46:09,282 INFO L129 PetriNetUnfolder]: 0/8877 cut-off events. [2021-03-26 13:46:09,282 INFO L130 PetriNetUnfolder]: For 456809/463219 co-relation queries the response was YES. [2021-03-26 13:46:09,282 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68085 conditions, 8877 events. 0/8877 cut-off events. For 456809/463219 co-relation queries the response was YES. Maximal size of possible extension queue 1480. Compared 166414 event pairs, 0 based on Foata normal form. 36/8384 useless extension candidates. Maximal degree in co-relation 0. Up to 1029 conditions per place. [2021-03-26 13:46:09,361 INFO L142 LiptonReduction]: Number of co-enabled transitions 6140 [2021-03-26 13:46:09,503 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:46:09,503 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:46:09,504 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2714 [2021-03-26 13:46:09,504 INFO L480 AbstractCegarLoop]: Abstraction has has 499 places, 1060 transitions, 49321 flow [2021-03-26 13:46:09,504 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:46:09,504 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:46:09,504 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 13:46:09,504 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2021-03-26 13:46:09,504 INFO L428 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:46:09,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:46:09,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1724076524, now seen corresponding path program 82 times [2021-03-26 13:46:09,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:46:09,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542384220] [2021-03-26 13:46:09,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:46:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:46:09,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:09,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:46:09,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:09,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:46:09,518 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:46:09,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:46:09,525 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:46:09,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:46:09,534 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:46:09,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:46:09,547 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:46:09,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:46:09,565 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:46:09,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:46:09,592 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:46:09,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:46:09,615 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 13:46:09,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542384220] [2021-03-26 13:46:09,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:46:09,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:46:09,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107221622] [2021-03-26 13:46:09,616 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:46:09,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:46:09,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:46:09,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:46:09,616 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:46:09,616 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 499 places, 1060 transitions, 49321 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:46:09,616 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:46:09,617 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:46:09,617 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:46:15,408 INFO L129 PetriNetUnfolder]: 523/9840 cut-off events. [2021-03-26 13:46:15,409 INFO L130 PetriNetUnfolder]: For 501545/514965 co-relation queries the response was YES. [2021-03-26 13:46:15,479 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84138 conditions, 9840 events. 523/9840 cut-off events. For 501545/514965 co-relation queries the response was YES. Maximal size of possible extension queue 1547. Compared 176122 event pairs, 523 based on Foata normal form. 74/9435 useless extension candidates. Maximal degree in co-relation 83963. Up to 1720 conditions per place. [2021-03-26 13:46:15,497 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 497 selfloop transitions, 553 changer transitions 1/1065 dead transitions. [2021-03-26 13:46:15,497 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 507 places, 1065 transitions, 51443 flow [2021-03-26 13:46:15,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:46:15,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:46:15,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:46:15,498 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:46:15,498 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:46:15,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:46:15,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:46:15,498 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:46:15,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:46:15,499 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:46:15,499 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:46:15,499 INFO L185 Difference]: Start difference. First operand has 499 places, 1060 transitions, 49321 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:46:15,499 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 507 places, 1065 transitions, 51443 flow [2021-03-26 13:46:19,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 501 places, 1065 transitions, 50376 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-03-26 13:46:19,936 INFO L241 Difference]: Finished difference. Result has 502 places, 1059 transitions, 49300 flow [2021-03-26 13:46:19,937 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=48264, PETRI_DIFFERENCE_MINUEND_PLACES=493, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1060, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=553, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=507, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=49300, PETRI_PLACES=502, PETRI_TRANSITIONS=1059} [2021-03-26 13:46:19,937 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 458 predicate places. [2021-03-26 13:46:19,937 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:46:19,937 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 502 places, 1059 transitions, 49300 flow [2021-03-26 13:46:19,937 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 502 places, 1059 transitions, 49300 flow [2021-03-26 13:46:19,952 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 501 places, 1059 transitions, 49300 flow [2021-03-26 13:46:22,328 INFO L129 PetriNetUnfolder]: 0/8871 cut-off events. [2021-03-26 13:46:22,329 INFO L130 PetriNetUnfolder]: For 454627/461037 co-relation queries the response was YES. [2021-03-26 13:46:22,329 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68058 conditions, 8871 events. 0/8871 cut-off events. For 454627/461037 co-relation queries the response was YES. Maximal size of possible extension queue 1479. Compared 166402 event pairs, 0 based on Foata normal form. 36/8383 useless extension candidates. Maximal degree in co-relation 0. Up to 1028 conditions per place. [2021-03-26 13:46:22,411 INFO L142 LiptonReduction]: Number of co-enabled transitions 6134 [2021-03-26 13:46:22,557 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:46:22,557 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:46:22,557 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2620 [2021-03-26 13:46:22,558 INFO L480 AbstractCegarLoop]: Abstraction has has 501 places, 1059 transitions, 49300 flow [2021-03-26 13:46:22,558 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:46:22,558 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:46:22,558 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 13:46:22,558 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2021-03-26 13:46:22,558 INFO L428 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:46:22,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:46:22,558 INFO L82 PathProgramCache]: Analyzing trace with hash 2110304440, now seen corresponding path program 83 times [2021-03-26 13:46:22,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:46:22,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550720168] [2021-03-26 13:46:22,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:46:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:46:22,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:22,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:46:22,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:22,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:46:22,570 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:46:22,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:46:22,576 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:46:22,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:46:22,591 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:46:22,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:46:22,603 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 13:46:22,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 13:46:22,761 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 20 [2021-03-26 13:46:22,762 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:46:22,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:46:22,784 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:46:22,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:46:22,805 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 13:46:22,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550720168] [2021-03-26 13:46:22,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:46:22,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:46:22,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013410113] [2021-03-26 13:46:22,806 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:46:22,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:46:22,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:46:22,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:46:22,806 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:46:22,807 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 501 places, 1059 transitions, 49300 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:46:22,807 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:46:22,807 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:46:22,807 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:46:28,438 INFO L129 PetriNetUnfolder]: 523/9834 cut-off events. [2021-03-26 13:46:28,438 INFO L130 PetriNetUnfolder]: For 501144/514564 co-relation queries the response was YES. [2021-03-26 13:46:28,508 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84109 conditions, 9834 events. 523/9834 cut-off events. For 501144/514564 co-relation queries the response was YES. Maximal size of possible extension queue 1546. Compared 175830 event pairs, 523 based on Foata normal form. 74/9429 useless extension candidates. Maximal degree in co-relation 83934. Up to 1720 conditions per place. [2021-03-26 13:46:28,527 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 486 selfloop transitions, 562 changer transitions 2/1064 dead transitions. [2021-03-26 13:46:28,527 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 509 places, 1064 transitions, 51420 flow [2021-03-26 13:46:28,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:46:28,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:46:28,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:46:28,528 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:46:28,528 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:46:28,528 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:46:28,528 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:46:28,528 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:46:28,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:46:28,529 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:46:28,529 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:46:28,529 INFO L185 Difference]: Start difference. First operand has 501 places, 1059 transitions, 49300 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:46:28,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 509 places, 1064 transitions, 51420 flow [2021-03-26 13:46:32,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 505 places, 1064 transitions, 50603 flow, removed 19 selfloop flow, removed 4 redundant places. [2021-03-26 13:46:32,854 INFO L241 Difference]: Finished difference. Result has 506 places, 1057 transitions, 49487 flow [2021-03-26 13:46:32,854 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=48493, PETRI_DIFFERENCE_MINUEND_PLACES=497, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1059, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=562, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=497, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=49487, PETRI_PLACES=506, PETRI_TRANSITIONS=1057} [2021-03-26 13:46:32,854 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 462 predicate places. [2021-03-26 13:46:32,854 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:46:32,855 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 506 places, 1057 transitions, 49487 flow [2021-03-26 13:46:32,855 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 506 places, 1057 transitions, 49487 flow [2021-03-26 13:46:32,868 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 505 places, 1057 transitions, 49487 flow [2021-03-26 13:46:35,384 INFO L129 PetriNetUnfolder]: 0/8864 cut-off events. [2021-03-26 13:46:35,385 INFO L130 PetriNetUnfolder]: For 456063/462255 co-relation queries the response was YES. [2021-03-26 13:46:35,385 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68540 conditions, 8864 events. 0/8864 cut-off events. For 456063/462255 co-relation queries the response was YES. Maximal size of possible extension queue 1478. Compared 166313 event pairs, 0 based on Foata normal form. 37/8388 useless extension candidates. Maximal degree in co-relation 0. Up to 1027 conditions per place. [2021-03-26 13:46:35,469 INFO L142 LiptonReduction]: Number of co-enabled transitions 6122 [2021-03-26 13:46:35,613 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:46:35,613 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:46:35,613 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2759 [2021-03-26 13:46:35,613 INFO L480 AbstractCegarLoop]: Abstraction has has 505 places, 1057 transitions, 49487 flow [2021-03-26 13:46:35,613 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:46:35,613 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:46:35,613 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 13:46:35,613 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2021-03-26 13:46:35,614 INFO L428 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:46:35,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:46:35,614 INFO L82 PathProgramCache]: Analyzing trace with hash -1506881736, now seen corresponding path program 84 times [2021-03-26 13:46:35,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:46:35,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736191011] [2021-03-26 13:46:35,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:46:35,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:46:35,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:35,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:46:35,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:35,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:46:35,626 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:46:35,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:46:35,632 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:46:35,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:46:35,642 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:46:35,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:46:35,655 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 13:46:35,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 13:46:35,684 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 13:46:35,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:46:35,707 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:46:35,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:46:35,728 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 13:46:35,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736191011] [2021-03-26 13:46:35,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:46:35,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:46:35,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893487638] [2021-03-26 13:46:35,728 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:46:35,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:46:35,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:46:35,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:46:35,729 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:46:35,729 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 505 places, 1057 transitions, 49487 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:46:35,729 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:46:35,729 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:46:35,729 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:46:41,558 INFO L129 PetriNetUnfolder]: 523/9827 cut-off events. [2021-03-26 13:46:41,558 INFO L130 PetriNetUnfolder]: For 501536/514956 co-relation queries the response was YES. [2021-03-26 13:46:41,634 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84588 conditions, 9827 events. 523/9827 cut-off events. For 501536/514956 co-relation queries the response was YES. Maximal size of possible extension queue 1545. Compared 175739 event pairs, 523 based on Foata normal form. 74/9422 useless extension candidates. Maximal degree in co-relation 84413. Up to 1720 conditions per place. [2021-03-26 13:46:41,656 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 487 selfloop transitions, 560 changer transitions 1/1062 dead transitions. [2021-03-26 13:46:41,656 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 513 places, 1062 transitions, 51603 flow [2021-03-26 13:46:41,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:46:41,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:46:41,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:46:41,657 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:46:41,657 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:46:41,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:46:41,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:46:41,657 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:46:41,658 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:46:41,658 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:46:41,658 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:46:41,658 INFO L185 Difference]: Start difference. First operand has 505 places, 1057 transitions, 49487 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:46:41,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 513 places, 1062 transitions, 51603 flow [2021-03-26 13:46:45,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 507 places, 1062 transitions, 50439 flow, removed 43 selfloop flow, removed 6 redundant places. [2021-03-26 13:46:46,012 INFO L241 Difference]: Finished difference. Result has 508 places, 1056 transitions, 49378 flow [2021-03-26 13:46:46,013 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=48333, PETRI_DIFFERENCE_MINUEND_PLACES=499, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1057, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=560, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=497, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=49378, PETRI_PLACES=508, PETRI_TRANSITIONS=1056} [2021-03-26 13:46:46,013 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 464 predicate places. [2021-03-26 13:46:46,013 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:46:46,013 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 508 places, 1056 transitions, 49378 flow [2021-03-26 13:46:46,014 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 508 places, 1056 transitions, 49378 flow [2021-03-26 13:46:46,028 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 507 places, 1056 transitions, 49378 flow [2021-03-26 13:46:48,481 INFO L129 PetriNetUnfolder]: 0/8861 cut-off events. [2021-03-26 13:46:48,481 INFO L130 PetriNetUnfolder]: For 453163/459589 co-relation queries the response was YES. [2021-03-26 13:46:48,482 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68575 conditions, 8861 events. 0/8861 cut-off events. For 453163/459589 co-relation queries the response was YES. Maximal size of possible extension queue 1477. Compared 166280 event pairs, 0 based on Foata normal form. 36/8388 useless extension candidates. Maximal degree in co-relation 0. Up to 1027 conditions per place. [2021-03-26 13:46:48,579 INFO L142 LiptonReduction]: Number of co-enabled transitions 6110 [2021-03-26 13:46:48,730 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:46:48,731 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:46:48,731 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2718 [2021-03-26 13:46:48,731 INFO L480 AbstractCegarLoop]: Abstraction has has 507 places, 1056 transitions, 49378 flow [2021-03-26 13:46:48,731 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:46:48,731 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:46:48,731 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 13:46:48,731 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2021-03-26 13:46:48,731 INFO L428 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:46:48,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:46:48,732 INFO L82 PathProgramCache]: Analyzing trace with hash -104259412, now seen corresponding path program 85 times [2021-03-26 13:46:48,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:46:48,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78220841] [2021-03-26 13:46:48,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:46:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:46:48,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:48,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:46:48,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:48,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:46:48,743 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:46:48,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:46:48,749 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:46:48,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:46:48,759 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:46:48,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:46:48,772 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:46:48,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:46:48,789 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:46:48,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:46:48,812 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:46:48,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:46:48,833 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 13:46:48,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78220841] [2021-03-26 13:46:48,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:46:48,833 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:46:48,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322792448] [2021-03-26 13:46:48,833 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:46:48,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:46:48,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:46:48,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:46:48,834 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:46:48,834 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 507 places, 1056 transitions, 49378 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:46:48,834 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:46:48,834 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:46:48,834 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:46:54,666 INFO L129 PetriNetUnfolder]: 523/9824 cut-off events. [2021-03-26 13:46:54,666 INFO L130 PetriNetUnfolder]: For 497281/510696 co-relation queries the response was YES. [2021-03-26 13:46:54,741 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84621 conditions, 9824 events. 523/9824 cut-off events. For 497281/510696 co-relation queries the response was YES. Maximal size of possible extension queue 1544. Compared 175585 event pairs, 523 based on Foata normal form. 72/9417 useless extension candidates. Maximal degree in co-relation 84447. Up to 1720 conditions per place. [2021-03-26 13:46:54,761 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 494 selfloop transitions, 551 changer transitions 2/1061 dead transitions. [2021-03-26 13:46:54,761 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 515 places, 1061 transitions, 51492 flow [2021-03-26 13:46:54,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:46:54,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:46:54,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:46:54,763 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:46:54,763 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:46:54,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:46:54,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:46:54,764 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:46:54,764 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:46:54,764 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:46:54,765 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:46:54,765 INFO L185 Difference]: Start difference. First operand has 507 places, 1056 transitions, 49378 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:46:54,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 515 places, 1061 transitions, 51492 flow [2021-03-26 13:46:59,103 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 510 places, 1061 transitions, 50500 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-26 13:46:59,130 INFO L241 Difference]: Finished difference. Result has 511 places, 1054 transitions, 49368 flow [2021-03-26 13:46:59,130 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=48396, PETRI_DIFFERENCE_MINUEND_PLACES=502, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1056, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=551, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=505, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=49368, PETRI_PLACES=511, PETRI_TRANSITIONS=1054} [2021-03-26 13:46:59,131 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 467 predicate places. [2021-03-26 13:46:59,131 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:46:59,131 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 511 places, 1054 transitions, 49368 flow [2021-03-26 13:46:59,131 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 511 places, 1054 transitions, 49368 flow [2021-03-26 13:46:59,145 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 510 places, 1054 transitions, 49368 flow [2021-03-26 13:47:01,504 INFO L129 PetriNetUnfolder]: 0/8854 cut-off events. [2021-03-26 13:47:01,504 INFO L130 PetriNetUnfolder]: For 449802/455988 co-relation queries the response was YES. [2021-03-26 13:47:01,504 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68667 conditions, 8854 events. 0/8854 cut-off events. For 449802/455988 co-relation queries the response was YES. Maximal size of possible extension queue 1476. Compared 166119 event pairs, 0 based on Foata normal form. 36/8373 useless extension candidates. Maximal degree in co-relation 0. Up to 1026 conditions per place. [2021-03-26 13:47:01,735 INFO L142 LiptonReduction]: Number of co-enabled transitions 6094 [2021-03-26 13:47:01,879 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:47:01,879 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:47:01,879 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2748 [2021-03-26 13:47:01,879 INFO L480 AbstractCegarLoop]: Abstraction has has 510 places, 1054 transitions, 49368 flow [2021-03-26 13:47:01,879 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:47:01,879 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:47:01,879 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 13:47:01,879 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2021-03-26 13:47:01,879 INFO L428 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:47:01,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:47:01,880 INFO L82 PathProgramCache]: Analyzing trace with hash -1801091880, now seen corresponding path program 86 times [2021-03-26 13:47:01,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:47:01,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976131447] [2021-03-26 13:47:01,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:47:01,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:47:01,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:01,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:47:01,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:01,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:47:01,891 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:47:01,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:47:01,898 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:47:01,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:47:01,907 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:47:01,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:47:01,920 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:47:01,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:47:01,938 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 13:47:01,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:47:01,960 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:47:01,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:47:01,982 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 13:47:01,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976131447] [2021-03-26 13:47:01,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:47:01,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:47:01,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711900971] [2021-03-26 13:47:01,983 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:47:01,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:47:01,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:47:01,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:47:01,983 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:47:01,984 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 510 places, 1054 transitions, 49368 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:47:01,984 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:47:01,984 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:47:01,984 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:47:07,763 INFO L129 PetriNetUnfolder]: 523/9817 cut-off events. [2021-03-26 13:47:07,763 INFO L130 PetriNetUnfolder]: For 496850/510270 co-relation queries the response was YES. [2021-03-26 13:47:07,832 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84710 conditions, 9817 events. 523/9817 cut-off events. For 496850/510270 co-relation queries the response was YES. Maximal size of possible extension queue 1542. Compared 175520 event pairs, 523 based on Foata normal form. 74/9413 useless extension candidates. Maximal degree in co-relation 84536. Up to 1720 conditions per place. [2021-03-26 13:47:07,850 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 482 selfloop transitions, 561 changer transitions 2/1059 dead transitions. [2021-03-26 13:47:07,851 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 518 places, 1059 transitions, 51478 flow [2021-03-26 13:47:07,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:47:07,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:47:07,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:47:07,853 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:47:07,853 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:47:07,853 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:47:07,853 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:47:07,853 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:47:07,854 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:47:07,854 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:47:07,854 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:47:07,854 INFO L185 Difference]: Start difference. First operand has 510 places, 1054 transitions, 49368 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:47:07,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 518 places, 1059 transitions, 51478 flow [2021-03-26 13:47:11,911 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 511 places, 1059 transitions, 50350 flow, removed 9 selfloop flow, removed 7 redundant places. [2021-03-26 13:47:11,936 INFO L241 Difference]: Finished difference. Result has 512 places, 1052 transitions, 49249 flow [2021-03-26 13:47:11,937 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=48250, PETRI_DIFFERENCE_MINUEND_PLACES=503, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1054, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=561, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=493, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=49249, PETRI_PLACES=512, PETRI_TRANSITIONS=1052} [2021-03-26 13:47:11,937 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 468 predicate places. [2021-03-26 13:47:11,937 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:47:11,937 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 512 places, 1052 transitions, 49249 flow [2021-03-26 13:47:11,937 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 512 places, 1052 transitions, 49249 flow [2021-03-26 13:47:11,950 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 511 places, 1052 transitions, 49249 flow [2021-03-26 13:47:14,220 INFO L129 PetriNetUnfolder]: 0/8836 cut-off events. [2021-03-26 13:47:14,220 INFO L130 PetriNetUnfolder]: For 446873/452008 co-relation queries the response was YES. [2021-03-26 13:47:14,220 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68397 conditions, 8836 events. 0/8836 cut-off events. For 446873/452008 co-relation queries the response was YES. Maximal size of possible extension queue 1474. Compared 165654 event pairs, 0 based on Foata normal form. 37/8356 useless extension candidates. Maximal degree in co-relation 0. Up to 1024 conditions per place. [2021-03-26 13:47:14,451 INFO L142 LiptonReduction]: Number of co-enabled transitions 6066 [2021-03-26 13:47:14,591 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:47:14,591 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:47:14,591 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2654 [2021-03-26 13:47:14,591 INFO L480 AbstractCegarLoop]: Abstraction has has 511 places, 1052 transitions, 49249 flow [2021-03-26 13:47:14,591 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:47:14,591 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:47:14,592 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 13:47:14,592 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2021-03-26 13:47:14,592 INFO L428 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:47:14,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:47:14,592 INFO L82 PathProgramCache]: Analyzing trace with hash 2115163928, now seen corresponding path program 87 times [2021-03-26 13:47:14,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:47:14,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418027110] [2021-03-26 13:47:14,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:47:14,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:47:14,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:14,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:47:14,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:14,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:47:14,603 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:47:14,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:47:14,610 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:47:14,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:47:14,619 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:47:14,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:47:14,643 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:47:14,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:47:14,660 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 13:47:14,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:47:14,683 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:47:14,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:47:14,704 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 13:47:14,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418027110] [2021-03-26 13:47:14,704 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:47:14,704 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:47:14,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656801805] [2021-03-26 13:47:14,704 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:47:14,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:47:14,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:47:14,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:47:14,705 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:47:14,705 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 511 places, 1052 transitions, 49249 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:47:14,705 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:47:14,705 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:47:14,705 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:47:20,545 INFO L129 PetriNetUnfolder]: 523/9799 cut-off events. [2021-03-26 13:47:20,545 INFO L130 PetriNetUnfolder]: For 493385/506805 co-relation queries the response was YES. [2021-03-26 13:47:20,613 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84430 conditions, 9799 events. 523/9799 cut-off events. For 493385/506805 co-relation queries the response was YES. Maximal size of possible extension queue 1540. Compared 175233 event pairs, 523 based on Foata normal form. 74/9397 useless extension candidates. Maximal degree in co-relation 84257. Up to 1720 conditions per place. [2021-03-26 13:47:20,632 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 487 selfloop transitions, 554 changer transitions 2/1057 dead transitions. [2021-03-26 13:47:20,632 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 519 places, 1057 transitions, 51355 flow [2021-03-26 13:47:20,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:47:20,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:47:20,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:47:20,633 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:47:20,633 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:47:20,633 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:47:20,633 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:47:20,633 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:47:20,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:47:20,634 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:47:20,634 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:47:20,634 INFO L185 Difference]: Start difference. First operand has 511 places, 1052 transitions, 49249 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:47:20,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 519 places, 1057 transitions, 51355 flow [2021-03-26 13:47:24,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 512 places, 1057 transitions, 50245 flow, removed 9 selfloop flow, removed 7 redundant places. [2021-03-26 13:47:24,960 INFO L241 Difference]: Finished difference. Result has 513 places, 1050 transitions, 49123 flow [2021-03-26 13:47:24,960 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=48149, PETRI_DIFFERENCE_MINUEND_PLACES=504, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1052, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=554, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=498, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=49123, PETRI_PLACES=513, PETRI_TRANSITIONS=1050} [2021-03-26 13:47:24,960 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 469 predicate places. [2021-03-26 13:47:24,960 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:47:24,960 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 513 places, 1050 transitions, 49123 flow [2021-03-26 13:47:24,961 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 513 places, 1050 transitions, 49123 flow [2021-03-26 13:47:24,975 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 512 places, 1050 transitions, 49123 flow [2021-03-26 13:47:27,479 INFO L129 PetriNetUnfolder]: 0/8826 cut-off events. [2021-03-26 13:47:27,479 INFO L130 PetriNetUnfolder]: For 444321/449646 co-relation queries the response was YES. [2021-03-26 13:47:27,479 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68285 conditions, 8826 events. 0/8826 cut-off events. For 444321/449646 co-relation queries the response was YES. Maximal size of possible extension queue 1473. Compared 165476 event pairs, 0 based on Foata normal form. 37/8345 useless extension candidates. Maximal degree in co-relation 0. Up to 1023 conditions per place. [2021-03-26 13:47:27,563 INFO L142 LiptonReduction]: Number of co-enabled transitions 6044 [2021-03-26 13:47:27,702 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:47:27,703 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:47:27,703 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2743 [2021-03-26 13:47:27,703 INFO L480 AbstractCegarLoop]: Abstraction has has 512 places, 1050 transitions, 49123 flow [2021-03-26 13:47:27,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:47:27,703 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:47:27,703 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 13:47:27,703 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2021-03-26 13:47:27,703 INFO L428 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:47:27,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:47:27,703 INFO L82 PathProgramCache]: Analyzing trace with hash -604319470, now seen corresponding path program 88 times [2021-03-26 13:47:27,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:47:27,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249260189] [2021-03-26 13:47:27,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:47:27,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:47:27,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:27,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:47:27,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:27,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:47:27,716 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:47:27,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:47:27,722 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:47:27,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:47:27,732 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:47:27,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:47:27,756 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 13:47:27,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 13:47:27,784 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 13:47:27,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:47:27,816 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:47:27,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:47:27,837 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 13:47:27,837 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249260189] [2021-03-26 13:47:27,837 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:47:27,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:47:27,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690057082] [2021-03-26 13:47:27,838 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:47:27,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:47:27,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:47:27,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:47:27,838 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:47:27,839 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 512 places, 1050 transitions, 49123 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:47:27,839 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:47:27,839 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:47:27,839 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:47:33,532 INFO L129 PetriNetUnfolder]: 523/9789 cut-off events. [2021-03-26 13:47:33,533 INFO L130 PetriNetUnfolder]: For 491891/505311 co-relation queries the response was YES. [2021-03-26 13:47:33,606 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84313 conditions, 9789 events. 523/9789 cut-off events. For 491891/505311 co-relation queries the response was YES. Maximal size of possible extension queue 1538. Compared 174864 event pairs, 523 based on Foata normal form. 74/9388 useless extension candidates. Maximal degree in co-relation 84141. Up to 1720 conditions per place. [2021-03-26 13:47:33,625 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 495 selfloop transitions, 544 changer transitions 2/1055 dead transitions. [2021-03-26 13:47:33,625 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 520 places, 1055 transitions, 51225 flow [2021-03-26 13:47:33,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:47:33,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:47:33,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:47:33,626 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:47:33,626 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:47:33,626 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:47:33,627 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:47:33,627 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:47:33,627 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:47:33,627 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:47:33,627 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:47:33,627 INFO L185 Difference]: Start difference. First operand has 512 places, 1050 transitions, 49123 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:47:33,628 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 520 places, 1055 transitions, 51225 flow [2021-03-26 13:47:37,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 514 places, 1055 transitions, 50142 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-26 13:47:37,945 INFO L241 Difference]: Finished difference. Result has 515 places, 1048 transitions, 49001 flow [2021-03-26 13:47:37,945 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=48050, PETRI_DIFFERENCE_MINUEND_PLACES=506, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1050, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=544, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=506, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=49001, PETRI_PLACES=515, PETRI_TRANSITIONS=1048} [2021-03-26 13:47:37,945 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 471 predicate places. [2021-03-26 13:47:37,945 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:47:37,946 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 515 places, 1048 transitions, 49001 flow [2021-03-26 13:47:37,946 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 515 places, 1048 transitions, 49001 flow [2021-03-26 13:47:37,959 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 514 places, 1048 transitions, 49001 flow [2021-03-26 13:47:40,305 INFO L129 PetriNetUnfolder]: 0/8818 cut-off events. [2021-03-26 13:47:40,305 INFO L130 PetriNetUnfolder]: For 445194/450505 co-relation queries the response was YES. [2021-03-26 13:47:40,305 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68237 conditions, 8818 events. 0/8818 cut-off events. For 445194/450505 co-relation queries the response was YES. Maximal size of possible extension queue 1471. Compared 165328 event pairs, 0 based on Foata normal form. 37/8337 useless extension candidates. Maximal degree in co-relation 0. Up to 1022 conditions per place. [2021-03-26 13:47:40,385 INFO L142 LiptonReduction]: Number of co-enabled transitions 6026 [2021-03-26 13:47:40,528 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:47:40,529 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:47:40,529 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2584 [2021-03-26 13:47:40,529 INFO L480 AbstractCegarLoop]: Abstraction has has 514 places, 1048 transitions, 49001 flow [2021-03-26 13:47:40,529 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:47:40,529 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:47:40,529 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 13:47:40,529 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2021-03-26 13:47:40,529 INFO L428 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:47:40,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:47:40,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1189967436, now seen corresponding path program 89 times [2021-03-26 13:47:40,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:47:40,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473304404] [2021-03-26 13:47:40,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:47:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:47:40,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:40,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:47:40,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:40,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:47:40,544 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:47:40,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:47:40,550 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:47:40,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:47:40,559 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:47:40,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:47:40,589 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-03-26 13:47:40,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:47:40,621 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:47:40,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:47:40,643 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:47:40,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:47:40,664 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 13:47:40,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473304404] [2021-03-26 13:47:40,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:47:40,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:47:40,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038563970] [2021-03-26 13:47:40,665 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:47:40,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:47:40,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:47:40,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:47:40,665 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:47:40,666 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 514 places, 1048 transitions, 49001 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:47:40,666 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:47:40,666 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:47:40,666 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:47:46,415 INFO L129 PetriNetUnfolder]: 523/9781 cut-off events. [2021-03-26 13:47:46,416 INFO L130 PetriNetUnfolder]: For 491192/504612 co-relation queries the response was YES. [2021-03-26 13:47:46,485 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84262 conditions, 9781 events. 523/9781 cut-off events. For 491192/504612 co-relation queries the response was YES. Maximal size of possible extension queue 1536. Compared 174735 event pairs, 523 based on Foata normal form. 74/9380 useless extension candidates. Maximal degree in co-relation 84090. Up to 1720 conditions per place. [2021-03-26 13:47:46,506 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 496 selfloop transitions, 541 changer transitions 2/1053 dead transitions. [2021-03-26 13:47:46,506 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 522 places, 1053 transitions, 51099 flow [2021-03-26 13:47:46,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:47:46,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:47:46,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:47:46,507 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:47:46,507 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:47:46,507 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:47:46,507 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:47:46,508 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:47:46,508 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:47:46,508 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:47:46,509 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:47:46,509 INFO L185 Difference]: Start difference. First operand has 514 places, 1048 transitions, 49001 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:47:46,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 522 places, 1053 transitions, 51099 flow [2021-03-26 13:47:50,922 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 516 places, 1053 transitions, 50025 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-26 13:47:50,947 INFO L241 Difference]: Finished difference. Result has 517 places, 1046 transitions, 48882 flow [2021-03-26 13:47:50,947 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=47937, PETRI_DIFFERENCE_MINUEND_PLACES=508, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1048, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=541, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=507, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=48882, PETRI_PLACES=517, PETRI_TRANSITIONS=1046} [2021-03-26 13:47:50,947 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 473 predicate places. [2021-03-26 13:47:50,947 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:47:50,947 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 517 places, 1046 transitions, 48882 flow [2021-03-26 13:47:50,948 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 517 places, 1046 transitions, 48882 flow [2021-03-26 13:47:50,961 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 516 places, 1046 transitions, 48882 flow [2021-03-26 13:47:53,202 INFO L129 PetriNetUnfolder]: 0/8810 cut-off events. [2021-03-26 13:47:53,202 INFO L130 PetriNetUnfolder]: For 446682/453092 co-relation queries the response was YES. [2021-03-26 13:47:53,203 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68185 conditions, 8810 events. 0/8810 cut-off events. For 446682/453092 co-relation queries the response was YES. Maximal size of possible extension queue 1468. Compared 164983 event pairs, 0 based on Foata normal form. 36/8325 useless extension candidates. Maximal degree in co-relation 0. Up to 1021 conditions per place. [2021-03-26 13:47:53,438 INFO L142 LiptonReduction]: Number of co-enabled transitions 6012 [2021-03-26 13:47:53,576 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:47:53,576 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:47:53,576 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2629 [2021-03-26 13:47:53,576 INFO L480 AbstractCegarLoop]: Abstraction has has 516 places, 1046 transitions, 48882 flow [2021-03-26 13:47:53,576 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:47:53,577 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:47:53,577 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] [2021-03-26 13:47:53,577 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2021-03-26 13:47:53,577 INFO L428 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:47:53,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:47:53,577 INFO L82 PathProgramCache]: Analyzing trace with hash 1278821634, now seen corresponding path program 90 times [2021-03-26 13:47:53,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:47:53,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301359210] [2021-03-26 13:47:53,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:47:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:47:53,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:53,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:47:53,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:53,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:47:53,588 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:47:53,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:47:53,595 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:47:53,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:47:53,604 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:47:53,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:47:53,628 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-03-26 13:47:53,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:47:53,658 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:47:53,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:47:53,679 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:47:53,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:47:53,700 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 13:47:53,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301359210] [2021-03-26 13:47:53,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:47:53,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:47:53,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233350739] [2021-03-26 13:47:53,700 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:47:53,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:47:53,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:47:53,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:47:53,701 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:47:53,701 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 516 places, 1046 transitions, 48882 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:47:53,701 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:47:53,701 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:47:53,701 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:47:59,478 INFO L129 PetriNetUnfolder]: 523/9773 cut-off events. [2021-03-26 13:47:59,478 INFO L130 PetriNetUnfolder]: For 490402/503817 co-relation queries the response was YES. [2021-03-26 13:47:59,546 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84207 conditions, 9773 events. 523/9773 cut-off events. For 490402/503817 co-relation queries the response was YES. Maximal size of possible extension queue 1534. Compared 174540 event pairs, 523 based on Foata normal form. 72/9370 useless extension candidates. Maximal degree in co-relation 84035. Up to 1720 conditions per place. [2021-03-26 13:47:59,567 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 498 selfloop transitions, 538 changer transitions 1/1051 dead transitions. [2021-03-26 13:47:59,567 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 524 places, 1051 transitions, 50976 flow [2021-03-26 13:47:59,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:47:59,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:47:59,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:47:59,568 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:47:59,568 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:47:59,568 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:47:59,568 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:47:59,568 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:47:59,569 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:47:59,569 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:47:59,569 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:47:59,569 INFO L185 Difference]: Start difference. First operand has 516 places, 1046 transitions, 48882 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:47:59,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 524 places, 1051 transitions, 50976 flow [2021-03-26 13:48:03,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 520 places, 1051 transitions, 50358 flow, removed 12 selfloop flow, removed 4 redundant places. [2021-03-26 13:48:03,861 INFO L241 Difference]: Finished difference. Result has 521 places, 1045 transitions, 49268 flow [2021-03-26 13:48:03,862 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=48274, PETRI_DIFFERENCE_MINUEND_PLACES=512, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1046, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=538, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=508, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=49268, PETRI_PLACES=521, PETRI_TRANSITIONS=1045} [2021-03-26 13:48:03,862 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 477 predicate places. [2021-03-26 13:48:03,862 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:48:03,862 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 521 places, 1045 transitions, 49268 flow [2021-03-26 13:48:03,862 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 521 places, 1045 transitions, 49268 flow [2021-03-26 13:48:03,875 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 520 places, 1045 transitions, 49268 flow [2021-03-26 13:48:06,247 INFO L129 PetriNetUnfolder]: 0/8803 cut-off events. [2021-03-26 13:48:06,248 INFO L130 PetriNetUnfolder]: For 449820/456230 co-relation queries the response was YES. [2021-03-26 13:48:06,248 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68621 conditions, 8803 events. 0/8803 cut-off events. For 449820/456230 co-relation queries the response was YES. Maximal size of possible extension queue 1467. Compared 164971 event pairs, 0 based on Foata normal form. 36/8318 useless extension candidates. Maximal degree in co-relation 0. Up to 1020 conditions per place. [2021-03-26 13:48:06,330 INFO L142 LiptonReduction]: Number of co-enabled transitions 6008 [2021-03-26 13:48:06,469 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:48:06,470 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:48:06,470 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2608 [2021-03-26 13:48:06,470 INFO L480 AbstractCegarLoop]: Abstraction has has 520 places, 1045 transitions, 49268 flow [2021-03-26 13:48:06,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:48:06,470 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:48:06,470 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 13:48:06,470 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2021-03-26 13:48:06,470 INFO L428 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:48:06,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:48:06,470 INFO L82 PathProgramCache]: Analyzing trace with hash -378235580, now seen corresponding path program 91 times [2021-03-26 13:48:06,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:48:06,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206833829] [2021-03-26 13:48:06,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:48:06,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:48:06,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:06,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:48:06,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:06,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:48:06,482 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:48:06,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:48:06,488 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:48:06,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:48:06,497 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:48:06,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:48:06,510 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-03-26 13:48:06,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:48:06,540 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:48:06,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:48:06,562 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:48:06,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:48:06,585 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 13:48:06,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206833829] [2021-03-26 13:48:06,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:48:06,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:48:06,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690786276] [2021-03-26 13:48:06,585 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:48:06,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:48:06,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:48:06,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:48:06,586 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:48:06,586 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 520 places, 1045 transitions, 49268 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:48:06,586 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:48:06,586 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:48:06,586 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:48:12,240 INFO L129 PetriNetUnfolder]: 523/9766 cut-off events. [2021-03-26 13:48:12,240 INFO L130 PetriNetUnfolder]: For 495516/508936 co-relation queries the response was YES. [2021-03-26 13:48:12,316 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84641 conditions, 9766 events. 523/9766 cut-off events. For 495516/508936 co-relation queries the response was YES. Maximal size of possible extension queue 1533. Compared 174460 event pairs, 523 based on Foata normal form. 74/9365 useless extension candidates. Maximal degree in co-relation 84469. Up to 1720 conditions per place. [2021-03-26 13:48:12,336 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 518 selfloop transitions, 521 changer transitions 1/1054 dead transitions. [2021-03-26 13:48:12,336 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 528 places, 1054 transitions, 51560 flow [2021-03-26 13:48:12,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:48:12,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:48:12,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:48:12,337 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:48:12,337 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:48:12,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:48:12,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:48:12,337 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:48:12,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:48:12,338 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:48:12,338 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:48:12,338 INFO L185 Difference]: Start difference. First operand has 520 places, 1045 transitions, 49268 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:48:12,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 528 places, 1054 transitions, 51560 flow [2021-03-26 13:48:16,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 522 places, 1054 transitions, 50481 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-26 13:48:16,735 INFO L241 Difference]: Finished difference. Result has 524 places, 1048 transitions, 49440 flow [2021-03-26 13:48:16,736 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=48207, PETRI_DIFFERENCE_MINUEND_PLACES=514, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1045, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=517, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=524, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=49440, PETRI_PLACES=524, PETRI_TRANSITIONS=1048} [2021-03-26 13:48:16,736 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 480 predicate places. [2021-03-26 13:48:16,736 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:48:16,736 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 524 places, 1048 transitions, 49440 flow [2021-03-26 13:48:16,736 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 524 places, 1048 transitions, 49440 flow [2021-03-26 13:48:16,750 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 523 places, 1048 transitions, 49440 flow [2021-03-26 13:48:19,277 INFO L129 PetriNetUnfolder]: 0/8796 cut-off events. [2021-03-26 13:48:19,277 INFO L130 PetriNetUnfolder]: For 452935/459160 co-relation queries the response was YES. [2021-03-26 13:48:19,277 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68631 conditions, 8796 events. 0/8796 cut-off events. For 452935/459160 co-relation queries the response was YES. Maximal size of possible extension queue 1466. Compared 164862 event pairs, 0 based on Foata normal form. 37/8317 useless extension candidates. Maximal degree in co-relation 0. Up to 1019 conditions per place. [2021-03-26 13:48:19,355 INFO L142 LiptonReduction]: Number of co-enabled transitions 6028 [2021-03-26 13:48:19,513 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:48:19,513 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:48:19,513 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2777 [2021-03-26 13:48:19,513 INFO L480 AbstractCegarLoop]: Abstraction has has 523 places, 1048 transitions, 49440 flow [2021-03-26 13:48:19,513 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:48:19,513 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:48:19,514 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 13:48:19,514 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2021-03-26 13:48:19,514 INFO L428 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:48:19,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:48:19,514 INFO L82 PathProgramCache]: Analyzing trace with hash -806416598, now seen corresponding path program 92 times [2021-03-26 13:48:19,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:48:19,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881735612] [2021-03-26 13:48:19,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:48:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:48:19,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:19,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:48:19,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:19,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:48:19,527 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:48:19,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:48:19,534 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:48:19,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:48:19,544 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:48:19,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:48:19,557 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-03-26 13:48:19,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:48:19,587 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:48:19,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:48:19,610 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:48:19,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:48:19,631 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 13:48:19,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881735612] [2021-03-26 13:48:19,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:48:19,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:48:19,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084300657] [2021-03-26 13:48:19,631 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:48:19,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:48:19,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:48:19,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:48:19,632 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:48:19,632 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 523 places, 1048 transitions, 49440 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:48:19,632 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:48:19,632 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:48:19,632 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:48:25,406 INFO L129 PetriNetUnfolder]: 523/9759 cut-off events. [2021-03-26 13:48:25,406 INFO L130 PetriNetUnfolder]: For 497982/511402 co-relation queries the response was YES. [2021-03-26 13:48:25,478 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84649 conditions, 9759 events. 523/9759 cut-off events. For 497982/511402 co-relation queries the response was YES. Maximal size of possible extension queue 1532. Compared 174257 event pairs, 523 based on Foata normal form. 74/9358 useless extension candidates. Maximal degree in co-relation 84476. Up to 1720 conditions per place. [2021-03-26 13:48:25,497 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 514 selfloop transitions, 523 changer transitions 2/1053 dead transitions. [2021-03-26 13:48:25,497 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 531 places, 1053 transitions, 51538 flow [2021-03-26 13:48:25,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:48:25,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:48:25,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:48:25,498 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:48:25,498 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:48:25,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:48:25,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:48:25,499 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:48:25,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:48:25,499 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:48:25,499 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:48:25,499 INFO L185 Difference]: Start difference. First operand has 523 places, 1048 transitions, 49440 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:48:25,499 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 531 places, 1053 transitions, 51538 flow [2021-03-26 13:48:29,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 526 places, 1053 transitions, 50562 flow, removed 14 selfloop flow, removed 5 redundant places. [2021-03-26 13:48:29,790 INFO L241 Difference]: Finished difference. Result has 527 places, 1046 transitions, 49388 flow [2021-03-26 13:48:29,791 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=48474, PETRI_DIFFERENCE_MINUEND_PLACES=518, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1048, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=523, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=525, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=49388, PETRI_PLACES=527, PETRI_TRANSITIONS=1046} [2021-03-26 13:48:29,791 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 483 predicate places. [2021-03-26 13:48:29,791 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:48:29,791 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 527 places, 1046 transitions, 49388 flow [2021-03-26 13:48:29,791 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 527 places, 1046 transitions, 49388 flow [2021-03-26 13:48:29,805 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 526 places, 1046 transitions, 49388 flow [2021-03-26 13:48:32,188 INFO L129 PetriNetUnfolder]: 0/8788 cut-off events. [2021-03-26 13:48:32,188 INFO L130 PetriNetUnfolder]: For 449640/455865 co-relation queries the response was YES. [2021-03-26 13:48:32,189 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68695 conditions, 8788 events. 0/8788 cut-off events. For 449640/455865 co-relation queries the response was YES. Maximal size of possible extension queue 1464. Compared 164666 event pairs, 0 based on Foata normal form. 37/8306 useless extension candidates. Maximal degree in co-relation 0. Up to 1018 conditions per place. [2021-03-26 13:48:32,273 INFO L142 LiptonReduction]: Number of co-enabled transitions 6014 [2021-03-26 13:48:32,415 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:48:32,415 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:48:32,415 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2624 [2021-03-26 13:48:32,415 INFO L480 AbstractCegarLoop]: Abstraction has has 526 places, 1046 transitions, 49388 flow [2021-03-26 13:48:32,415 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:48:32,415 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:48:32,416 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 13:48:32,416 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2021-03-26 13:48:32,416 INFO L428 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:48:32,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:48:32,416 INFO L82 PathProgramCache]: Analyzing trace with hash -462220208, now seen corresponding path program 93 times [2021-03-26 13:48:32,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:48:32,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792769010] [2021-03-26 13:48:32,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:48:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:48:32,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:32,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:48:32,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:32,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:48:32,427 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:48:32,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:48:32,437 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:48:32,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:48:32,446 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:48:32,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:48:32,459 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:48:32,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:48:32,481 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:48:32,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:48:32,503 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:48:32,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:48:32,525 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 13:48:32,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792769010] [2021-03-26 13:48:32,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:48:32,525 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:48:32,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218978700] [2021-03-26 13:48:32,525 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:48:32,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:48:32,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:48:32,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:48:32,526 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:48:32,526 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 526 places, 1046 transitions, 49388 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:48:32,526 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:48:32,526 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:48:32,526 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:48:38,237 INFO L129 PetriNetUnfolder]: 523/9751 cut-off events. [2021-03-26 13:48:38,237 INFO L130 PetriNetUnfolder]: For 497171/510591 co-relation queries the response was YES. [2021-03-26 13:48:38,306 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84710 conditions, 9751 events. 523/9751 cut-off events. For 497171/510591 co-relation queries the response was YES. Maximal size of possible extension queue 1531. Compared 174077 event pairs, 523 based on Foata normal form. 74/9350 useless extension candidates. Maximal degree in co-relation 84537. Up to 1720 conditions per place. [2021-03-26 13:48:38,326 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 521 selfloop transitions, 515 changer transitions 1/1051 dead transitions. [2021-03-26 13:48:38,326 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 534 places, 1051 transitions, 51482 flow [2021-03-26 13:48:38,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:48:38,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:48:38,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:48:38,327 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:48:38,327 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:48:38,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:48:38,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:48:38,327 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:48:38,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:48:38,328 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:48:38,328 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:48:38,328 INFO L185 Difference]: Start difference. First operand has 526 places, 1046 transitions, 49388 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:48:38,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 534 places, 1051 transitions, 51482 flow [2021-03-26 13:48:42,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 528 places, 1051 transitions, 50443 flow, removed 9 selfloop flow, removed 6 redundant places. [2021-03-26 13:48:42,556 INFO L241 Difference]: Finished difference. Result has 529 places, 1045 transitions, 49317 flow [2021-03-26 13:48:42,556 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=48359, PETRI_DIFFERENCE_MINUEND_PLACES=520, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1046, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=515, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=531, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=49317, PETRI_PLACES=529, PETRI_TRANSITIONS=1045} [2021-03-26 13:48:42,556 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 485 predicate places. [2021-03-26 13:48:42,556 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:48:42,556 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 529 places, 1045 transitions, 49317 flow [2021-03-26 13:48:42,556 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 529 places, 1045 transitions, 49317 flow [2021-03-26 13:48:42,569 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 528 places, 1045 transitions, 49317 flow [2021-03-26 13:48:44,928 INFO L129 PetriNetUnfolder]: 0/8781 cut-off events. [2021-03-26 13:48:44,928 INFO L130 PetriNetUnfolder]: For 450412/456598 co-relation queries the response was YES. [2021-03-26 13:48:44,928 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68673 conditions, 8781 events. 0/8781 cut-off events. For 450412/456598 co-relation queries the response was YES. Maximal size of possible extension queue 1463. Compared 164517 event pairs, 0 based on Foata normal form. 36/8305 useless extension candidates. Maximal degree in co-relation 0. Up to 1017 conditions per place. [2021-03-26 13:48:45,006 INFO L142 LiptonReduction]: Number of co-enabled transitions 6010 [2021-03-26 13:48:45,148 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:48:45,148 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:48:45,148 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2592 [2021-03-26 13:48:45,149 INFO L480 AbstractCegarLoop]: Abstraction has has 528 places, 1045 transitions, 49317 flow [2021-03-26 13:48:45,149 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:48:45,149 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:48:45,149 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 13:48:45,149 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2021-03-26 13:48:45,149 INFO L428 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:48:45,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:48:45,149 INFO L82 PathProgramCache]: Analyzing trace with hash 38385574, now seen corresponding path program 94 times [2021-03-26 13:48:45,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:48:45,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837188726] [2021-03-26 13:48:45,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:48:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:48:45,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:45,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:48:45,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:45,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:48:45,160 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:48:45,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:48:45,166 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:48:45,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:48:45,175 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:48:45,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:48:45,187 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:48:45,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:48:45,213 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:48:45,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:48:45,233 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:48:45,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:48:45,258 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 13:48:45,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837188726] [2021-03-26 13:48:45,258 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:48:45,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:48:45,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512729787] [2021-03-26 13:48:45,259 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:48:45,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:48:45,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:48:45,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:48:45,259 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:48:45,265 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 528 places, 1045 transitions, 49317 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:48:45,265 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:48:45,265 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:48:45,265 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:48:51,133 INFO L129 PetriNetUnfolder]: 523/9744 cut-off events. [2021-03-26 13:48:51,134 INFO L130 PetriNetUnfolder]: For 496784/510204 co-relation queries the response was YES. [2021-03-26 13:48:51,290 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84686 conditions, 9744 events. 523/9744 cut-off events. For 496784/510204 co-relation queries the response was YES. Maximal size of possible extension queue 1530. Compared 173908 event pairs, 523 based on Foata normal form. 74/9343 useless extension candidates. Maximal degree in co-relation 84513. Up to 1707 conditions per place. [2021-03-26 13:48:51,308 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 556 selfloop transitions, 519 changer transitions 2/1091 dead transitions. [2021-03-26 13:48:51,308 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 536 places, 1091 transitions, 53390 flow [2021-03-26 13:48:51,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:48:51,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:48:51,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:48:51,309 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:48:51,309 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:48:51,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:48:51,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:48:51,310 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:48:51,310 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:48:51,310 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:48:51,310 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:48:51,310 INFO L185 Difference]: Start difference. First operand has 528 places, 1045 transitions, 49317 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:48:51,311 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 536 places, 1091 transitions, 53390 flow [2021-03-26 13:48:55,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 530 places, 1091 transitions, 52325 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-26 13:48:55,423 INFO L241 Difference]: Finished difference. Result has 533 places, 1068 transitions, 50622 flow [2021-03-26 13:48:55,423 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=48300, PETRI_DIFFERENCE_MINUEND_PLACES=522, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1045, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=495, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=526, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=50622, PETRI_PLACES=533, PETRI_TRANSITIONS=1068} [2021-03-26 13:48:55,424 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 489 predicate places. [2021-03-26 13:48:55,424 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:48:55,424 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 533 places, 1068 transitions, 50622 flow [2021-03-26 13:48:55,424 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 533 places, 1068 transitions, 50622 flow [2021-03-26 13:48:55,437 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 532 places, 1068 transitions, 50622 flow [2021-03-26 13:48:57,769 INFO L129 PetriNetUnfolder]: 0/8773 cut-off events. [2021-03-26 13:48:57,769 INFO L130 PetriNetUnfolder]: For 460881/466022 co-relation queries the response was YES. [2021-03-26 13:48:57,769 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68958 conditions, 8773 events. 0/8773 cut-off events. For 460881/466022 co-relation queries the response was YES. Maximal size of possible extension queue 1461. Compared 164250 event pairs, 0 based on Foata normal form. 37/8280 useless extension candidates. Maximal degree in co-relation 0. Up to 1016 conditions per place. [2021-03-26 13:48:57,865 INFO L142 LiptonReduction]: Number of co-enabled transitions 6226 [2021-03-26 13:48:58,016 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:48:58,016 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:48:58,016 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2592 [2021-03-26 13:48:58,016 INFO L480 AbstractCegarLoop]: Abstraction has has 532 places, 1068 transitions, 50622 flow [2021-03-26 13:48:58,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:48:58,016 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:48:58,016 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 13:48:58,016 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2021-03-26 13:48:58,016 INFO L428 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:48:58,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:48:58,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1916406046, now seen corresponding path program 95 times [2021-03-26 13:48:58,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:48:58,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986756177] [2021-03-26 13:48:58,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:48:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:48:58,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:58,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:48:58,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:58,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:48:58,033 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:48:58,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:48:58,039 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:48:58,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:48:58,048 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:48:58,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:48:58,060 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 13:48:58,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 13:48:58,090 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 13:48:58,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:48:58,114 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:48:58,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:48:58,137 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 13:48:58,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986756177] [2021-03-26 13:48:58,137 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:48:58,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:48:58,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926860786] [2021-03-26 13:48:58,137 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:48:58,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:48:58,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:48:58,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:48:58,138 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:48:58,138 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 532 places, 1068 transitions, 50622 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:48:58,138 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:48:58,138 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:48:58,139 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:49:03,845 INFO L129 PetriNetUnfolder]: 523/9736 cut-off events. [2021-03-26 13:49:03,846 INFO L130 PetriNetUnfolder]: For 507721/521147 co-relation queries the response was YES. [2021-03-26 13:49:03,925 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84968 conditions, 9736 events. 523/9736 cut-off events. For 507721/521147 co-relation queries the response was YES. Maximal size of possible extension queue 1528. Compared 173702 event pairs, 523 based on Foata normal form. 74/9305 useless extension candidates. Maximal degree in co-relation 84793. Up to 1707 conditions per place. [2021-03-26 13:49:03,946 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 529 selfloop transitions, 528 changer transitions 2/1073 dead transitions. [2021-03-26 13:49:03,946 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 540 places, 1073 transitions, 52760 flow [2021-03-26 13:49:03,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:49:03,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:49:03,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:49:03,947 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:49:03,947 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:49:03,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:49:03,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:49:03,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:49:03,947 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:49:03,948 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:49:03,948 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:49:03,948 INFO L185 Difference]: Start difference. First operand has 532 places, 1068 transitions, 50622 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:49:03,948 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 540 places, 1073 transitions, 52760 flow [2021-03-26 13:49:08,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 534 places, 1073 transitions, 51731 flow, removed 48 selfloop flow, removed 6 redundant places. [2021-03-26 13:49:08,395 INFO L241 Difference]: Finished difference. Result has 535 places, 1066 transitions, 50530 flow [2021-03-26 13:49:08,396 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=49603, PETRI_DIFFERENCE_MINUEND_PLACES=526, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1068, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=528, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=540, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=50530, PETRI_PLACES=535, PETRI_TRANSITIONS=1066} [2021-03-26 13:49:08,396 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 491 predicate places. [2021-03-26 13:49:08,396 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:49:08,396 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 535 places, 1066 transitions, 50530 flow [2021-03-26 13:49:08,396 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 535 places, 1066 transitions, 50530 flow [2021-03-26 13:49:08,410 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 534 places, 1066 transitions, 50530 flow [2021-03-26 13:49:10,734 INFO L129 PetriNetUnfolder]: 0/8765 cut-off events. [2021-03-26 13:49:10,735 INFO L130 PetriNetUnfolder]: For 459357/464686 co-relation queries the response was YES. [2021-03-26 13:49:10,735 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69038 conditions, 8765 events. 0/8765 cut-off events. For 459357/464686 co-relation queries the response was YES. Maximal size of possible extension queue 1459. Compared 164172 event pairs, 0 based on Foata normal form. 37/8287 useless extension candidates. Maximal degree in co-relation 0. Up to 1015 conditions per place. [2021-03-26 13:49:10,829 INFO L142 LiptonReduction]: Number of co-enabled transitions 6208 [2021-03-26 13:49:10,979 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:49:10,979 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:49:10,979 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2583 [2021-03-26 13:49:10,979 INFO L480 AbstractCegarLoop]: Abstraction has has 534 places, 1066 transitions, 50530 flow [2021-03-26 13:49:10,979 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:49:10,979 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:49:10,979 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 13:49:10,979 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2021-03-26 13:49:10,979 INFO L428 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:49:10,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:49:10,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1187984936, now seen corresponding path program 96 times [2021-03-26 13:49:10,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:49:10,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232860731] [2021-03-26 13:49:10,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:49:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:49:10,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:10,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:49:10,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:10,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:49:10,991 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:49:10,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:49:10,997 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:49:10,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:49:11,005 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:49:11,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:49:11,018 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:49:11,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:49:11,235 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2021-03-26 13:49:11,236 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:49:11,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:49:11,260 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:49:11,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:49:11,281 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 13:49:11,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232860731] [2021-03-26 13:49:11,282 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:49:11,282 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:49:11,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671360615] [2021-03-26 13:49:11,282 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:49:11,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:49:11,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:49:11,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:49:11,282 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:49:11,283 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 534 places, 1066 transitions, 50530 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:49:11,283 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:49:11,283 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:49:11,283 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:49:16,933 INFO L129 PetriNetUnfolder]: 523/9728 cut-off events. [2021-03-26 13:49:16,933 INFO L130 PetriNetUnfolder]: For 505423/518844 co-relation queries the response was YES. [2021-03-26 13:49:17,011 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85045 conditions, 9728 events. 523/9728 cut-off events. For 505423/518844 co-relation queries the response was YES. Maximal size of possible extension queue 1526. Compared 173539 event pairs, 523 based on Foata normal form. 72/9310 useless extension candidates. Maximal degree in co-relation 84870. Up to 1707 conditions per place. [2021-03-26 13:49:17,032 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 559 selfloop transitions, 513 changer transitions 1/1087 dead transitions. [2021-03-26 13:49:17,032 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 542 places, 1087 transitions, 53396 flow [2021-03-26 13:49:17,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:49:17,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:49:17,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:49:17,033 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:49:17,033 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:49:17,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:49:17,033 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:49:17,033 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:49:17,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:49:17,034 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:49:17,034 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:49:17,034 INFO L185 Difference]: Start difference. First operand has 534 places, 1066 transitions, 50530 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:49:17,034 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 542 places, 1087 transitions, 53396 flow [2021-03-26 13:49:21,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 534 places, 1087 transitions, 52321 flow, removed 25 selfloop flow, removed 8 redundant places. [2021-03-26 13:49:21,646 INFO L241 Difference]: Finished difference. Result has 536 places, 1073 transitions, 50897 flow [2021-03-26 13:49:21,647 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=49469, PETRI_DIFFERENCE_MINUEND_PLACES=526, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1066, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=505, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=553, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=50897, PETRI_PLACES=536, PETRI_TRANSITIONS=1073} [2021-03-26 13:49:21,647 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 492 predicate places. [2021-03-26 13:49:21,647 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:49:21,647 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 536 places, 1073 transitions, 50897 flow [2021-03-26 13:49:21,647 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 536 places, 1073 transitions, 50897 flow [2021-03-26 13:49:21,661 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 535 places, 1073 transitions, 50897 flow [2021-03-26 13:49:24,057 INFO L129 PetriNetUnfolder]: 0/8758 cut-off events. [2021-03-26 13:49:24,057 INFO L130 PetriNetUnfolder]: For 458524/463816 co-relation queries the response was YES. [2021-03-26 13:49:24,057 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69137 conditions, 8758 events. 0/8758 cut-off events. For 458524/463816 co-relation queries the response was YES. Maximal size of possible extension queue 1458. Compared 163979 event pairs, 0 based on Foata normal form. 37/8267 useless extension candidates. Maximal degree in co-relation 0. Up to 1014 conditions per place. [2021-03-26 13:49:24,136 INFO L142 LiptonReduction]: Number of co-enabled transitions 6268 [2021-03-26 13:49:24,289 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:49:24,289 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:49:24,289 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2642 [2021-03-26 13:49:24,290 INFO L480 AbstractCegarLoop]: Abstraction has has 535 places, 1073 transitions, 50897 flow [2021-03-26 13:49:24,290 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:49:24,290 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:49:24,290 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 13:49:24,290 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2021-03-26 13:49:24,290 INFO L428 AbstractCegarLoop]: === Iteration 103 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:49:24,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:49:24,290 INFO L82 PathProgramCache]: Analyzing trace with hash 926716392, now seen corresponding path program 97 times [2021-03-26 13:49:24,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:49:24,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569190187] [2021-03-26 13:49:24,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:49:24,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:49:24,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:24,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:49:24,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:24,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:49:24,303 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:49:24,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:49:24,309 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:49:24,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:49:24,319 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:49:24,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:49:24,332 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:49:24,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:49:24,349 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:49:24,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:49:24,372 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:49:24,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:49:24,393 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 13:49:24,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569190187] [2021-03-26 13:49:24,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:49:24,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:49:24,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741082629] [2021-03-26 13:49:24,393 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:49:24,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:49:24,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:49:24,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:49:24,394 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:49:24,394 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 535 places, 1073 transitions, 50897 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:49:24,394 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:49:24,394 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:49:24,394 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:49:26,282 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 26 [2021-03-26 13:49:30,252 INFO L129 PetriNetUnfolder]: 523/9721 cut-off events. [2021-03-26 13:49:30,252 INFO L130 PetriNetUnfolder]: For 503883/517304 co-relation queries the response was YES. [2021-03-26 13:49:30,321 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85142 conditions, 9721 events. 523/9721 cut-off events. For 503883/517304 co-relation queries the response was YES. Maximal size of possible extension queue 1525. Compared 173463 event pairs, 523 based on Foata normal form. 72/9309 useless extension candidates. Maximal degree in co-relation 84969. Up to 1707 conditions per place. [2021-03-26 13:49:30,339 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 559 selfloop transitions, 511 changer transitions 2/1086 dead transitions. [2021-03-26 13:49:30,339 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 543 places, 1086 transitions, 53397 flow [2021-03-26 13:49:30,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:49:30,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:49:30,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:49:30,340 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:49:30,340 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:49:30,340 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:49:30,340 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:49:30,340 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:49:30,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:49:30,341 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:49:30,341 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:49:30,341 INFO L185 Difference]: Start difference. First operand has 535 places, 1073 transitions, 50897 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:49:30,341 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 543 places, 1086 transitions, 53397 flow [2021-03-26 13:49:34,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 536 places, 1086 transitions, 52097 flow, removed 12 selfloop flow, removed 7 redundant places. [2021-03-26 13:49:34,735 INFO L241 Difference]: Finished difference. Result has 538 places, 1073 transitions, 50635 flow [2021-03-26 13:49:34,735 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=49607, PETRI_DIFFERENCE_MINUEND_PLACES=528, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1073, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=510, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=562, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=50635, PETRI_PLACES=538, PETRI_TRANSITIONS=1073} [2021-03-26 13:49:34,735 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 494 predicate places. [2021-03-26 13:49:34,735 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:49:34,735 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 538 places, 1073 transitions, 50635 flow [2021-03-26 13:49:34,736 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 538 places, 1073 transitions, 50635 flow [2021-03-26 13:49:34,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 537 places, 1073 transitions, 50635 flow [2021-03-26 13:49:37,197 INFO L129 PetriNetUnfolder]: 0/8750 cut-off events. [2021-03-26 13:49:37,197 INFO L130 PetriNetUnfolder]: For 451611/458021 co-relation queries the response was YES. [2021-03-26 13:49:37,197 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68901 conditions, 8750 events. 0/8750 cut-off events. For 451611/458021 co-relation queries the response was YES. Maximal size of possible extension queue 1456. Compared 163749 event pairs, 0 based on Foata normal form. 36/8284 useless extension candidates. Maximal degree in co-relation 0. Up to 1013 conditions per place. [2021-03-26 13:49:37,284 INFO L142 LiptonReduction]: Number of co-enabled transitions 6266 [2021-03-26 13:49:37,426 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:49:37,427 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:49:37,427 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2692 [2021-03-26 13:49:37,427 INFO L480 AbstractCegarLoop]: Abstraction has has 537 places, 1073 transitions, 50635 flow [2021-03-26 13:49:37,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:49:37,427 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:49:37,427 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 13:49:37,427 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2021-03-26 13:49:37,427 INFO L428 AbstractCegarLoop]: === Iteration 104 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:49:37,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:49:37,428 INFO L82 PathProgramCache]: Analyzing trace with hash -156220312, now seen corresponding path program 98 times [2021-03-26 13:49:37,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:49:37,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860364332] [2021-03-26 13:49:37,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:49:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:49:37,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:37,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:49:37,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:37,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:49:37,445 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:49:37,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:49:37,451 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:49:37,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:49:37,461 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:49:37,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:49:37,474 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 13:49:37,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 13:49:37,501 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:49:37,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:49:37,523 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:49:37,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:49:37,544 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 13:49:37,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860364332] [2021-03-26 13:49:37,544 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:49:37,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:49:37,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816190427] [2021-03-26 13:49:37,545 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:49:37,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:49:37,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:49:37,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:49:37,545 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:49:37,546 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 537 places, 1073 transitions, 50635 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:49:37,546 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:49:37,546 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:49:37,546 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:49:43,280 INFO L129 PetriNetUnfolder]: 523/9713 cut-off events. [2021-03-26 13:49:43,280 INFO L130 PetriNetUnfolder]: For 497874/511294 co-relation queries the response was YES. [2021-03-26 13:49:43,347 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84903 conditions, 9713 events. 523/9713 cut-off events. For 497874/511294 co-relation queries the response was YES. Maximal size of possible extension queue 1523. Compared 173279 event pairs, 523 based on Foata normal form. 74/9297 useless extension candidates. Maximal degree in co-relation 84730. Up to 1707 conditions per place. [2021-03-26 13:49:43,365 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 535 selfloop transitions, 527 changer transitions 2/1078 dead transitions. [2021-03-26 13:49:43,365 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 545 places, 1078 transitions, 52783 flow [2021-03-26 13:49:43,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:49:43,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:49:43,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:49:43,366 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:49:43,366 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:49:43,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:49:43,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:49:43,366 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:49:43,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:49:43,367 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:49:43,367 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:49:43,367 INFO L185 Difference]: Start difference. First operand has 537 places, 1073 transitions, 50635 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:49:43,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 545 places, 1078 transitions, 52783 flow [2021-03-26 13:49:47,766 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 1078 transitions, 51770 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-03-26 13:49:47,794 INFO L241 Difference]: Finished difference. Result has 540 places, 1071 transitions, 50560 flow [2021-03-26 13:49:47,794 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=49632, PETRI_DIFFERENCE_MINUEND_PLACES=531, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1073, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=527, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=546, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=50560, PETRI_PLACES=540, PETRI_TRANSITIONS=1071} [2021-03-26 13:49:47,794 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 496 predicate places. [2021-03-26 13:49:47,794 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:49:47,794 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 540 places, 1071 transitions, 50560 flow [2021-03-26 13:49:47,794 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 540 places, 1071 transitions, 50560 flow [2021-03-26 13:49:47,809 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 539 places, 1071 transitions, 50560 flow [2021-03-26 13:49:50,221 INFO L129 PetriNetUnfolder]: 0/8742 cut-off events. [2021-03-26 13:49:50,221 INFO L130 PetriNetUnfolder]: For 452548/458962 co-relation queries the response was YES. [2021-03-26 13:49:50,221 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68867 conditions, 8742 events. 0/8742 cut-off events. For 452548/458962 co-relation queries the response was YES. Maximal size of possible extension queue 1455. Compared 163682 event pairs, 0 based on Foata normal form. 36/8279 useless extension candidates. Maximal degree in co-relation 0. Up to 1012 conditions per place. [2021-03-26 13:49:50,300 INFO L142 LiptonReduction]: Number of co-enabled transitions 6258 [2021-03-26 13:49:50,454 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:49:50,454 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:49:50,454 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2660 [2021-03-26 13:49:50,454 INFO L480 AbstractCegarLoop]: Abstraction has has 539 places, 1071 transitions, 50560 flow [2021-03-26 13:49:50,454 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:49:50,454 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:49:50,454 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 13:49:50,454 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2021-03-26 13:49:50,454 INFO L428 AbstractCegarLoop]: === Iteration 105 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:49:50,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:49:50,455 INFO L82 PathProgramCache]: Analyzing trace with hash -1626326288, now seen corresponding path program 99 times [2021-03-26 13:49:50,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:49:50,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006628051] [2021-03-26 13:49:50,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:49:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:49:50,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:50,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:49:50,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:50,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:49:50,472 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:49:50,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:49:50,477 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:49:50,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:49:50,486 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:49:50,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:49:50,502 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:49:50,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:49:50,520 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:49:50,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:49:50,544 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:49:50,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:49:50,568 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 13:49:50,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006628051] [2021-03-26 13:49:50,568 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:49:50,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:49:50,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460318096] [2021-03-26 13:49:50,569 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:49:50,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:49:50,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:49:50,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:49:50,569 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:49:50,569 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 539 places, 1071 transitions, 50560 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:49:50,569 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:49:50,569 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:49:50,570 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:49:56,419 INFO L129 PetriNetUnfolder]: 523/9705 cut-off events. [2021-03-26 13:49:56,419 INFO L130 PetriNetUnfolder]: For 497193/510613 co-relation queries the response was YES. [2021-03-26 13:49:56,496 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84866 conditions, 9705 events. 523/9705 cut-off events. For 497193/510613 co-relation queries the response was YES. Maximal size of possible extension queue 1522. Compared 173072 event pairs, 523 based on Foata normal form. 74/9295 useless extension candidates. Maximal degree in co-relation 84693. Up to 1707 conditions per place. [2021-03-26 13:49:56,516 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 537 selfloop transitions, 524 changer transitions 1/1076 dead transitions. [2021-03-26 13:49:56,516 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 547 places, 1076 transitions, 52704 flow [2021-03-26 13:49:56,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:49:56,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:49:56,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:49:56,517 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:49:56,517 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:49:56,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:49:56,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:49:56,517 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:49:56,517 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:49:56,518 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:49:56,518 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:49:56,518 INFO L185 Difference]: Start difference. First operand has 539 places, 1071 transitions, 50560 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:49:56,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 547 places, 1076 transitions, 52704 flow [2021-03-26 13:50:01,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 543 places, 1076 transitions, 51937 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 13:50:01,180 INFO L241 Difference]: Finished difference. Result has 544 places, 1070 transitions, 50782 flow [2021-03-26 13:50:01,181 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=49803, PETRI_DIFFERENCE_MINUEND_PLACES=535, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1071, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=524, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=547, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=50782, PETRI_PLACES=544, PETRI_TRANSITIONS=1070} [2021-03-26 13:50:01,181 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 500 predicate places. [2021-03-26 13:50:01,181 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:50:01,181 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 544 places, 1070 transitions, 50782 flow [2021-03-26 13:50:01,181 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 544 places, 1070 transitions, 50782 flow [2021-03-26 13:50:01,196 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 543 places, 1070 transitions, 50782 flow [2021-03-26 13:50:03,570 INFO L129 PetriNetUnfolder]: 0/8735 cut-off events. [2021-03-26 13:50:03,570 INFO L130 PetriNetUnfolder]: For 451476/457902 co-relation queries the response was YES. [2021-03-26 13:50:03,570 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69401 conditions, 8735 events. 0/8735 cut-off events. For 451476/457902 co-relation queries the response was YES. Maximal size of possible extension queue 1454. Compared 163371 event pairs, 0 based on Foata normal form. 36/8246 useless extension candidates. Maximal degree in co-relation 0. Up to 1011 conditions per place. [2021-03-26 13:50:03,834 INFO L142 LiptonReduction]: Number of co-enabled transitions 6254 [2021-03-26 13:50:04,001 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:50:04,001 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:50:04,001 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2820 [2021-03-26 13:50:04,001 INFO L480 AbstractCegarLoop]: Abstraction has has 543 places, 1070 transitions, 50782 flow [2021-03-26 13:50:04,001 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:50:04,001 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:50:04,001 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 13:50:04,001 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2021-03-26 13:50:04,001 INFO L428 AbstractCegarLoop]: === Iteration 106 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:50:04,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:50:04,002 INFO L82 PathProgramCache]: Analyzing trace with hash 545601504, now seen corresponding path program 100 times [2021-03-26 13:50:04,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:50:04,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415403845] [2021-03-26 13:50:04,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:50:04,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:50:04,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:50:04,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:50:04,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:50:04,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:50:04,013 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:50:04,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:50:04,019 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:50:04,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:50:04,041 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:50:04,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:50:04,054 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:50:04,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:50:04,071 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:50:04,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:50:04,095 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:50:04,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:50:04,117 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 13:50:04,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415403845] [2021-03-26 13:50:04,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:50:04,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:50:04,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60008856] [2021-03-26 13:50:04,117 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:50:04,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:50:04,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:50:04,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:50:04,118 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:50:04,118 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 543 places, 1070 transitions, 50782 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:50:04,118 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:50:04,118 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:50:04,118 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:50:10,101 INFO L129 PetriNetUnfolder]: 523/9698 cut-off events. [2021-03-26 13:50:10,102 INFO L130 PetriNetUnfolder]: For 498591/512011 co-relation queries the response was YES. [2021-03-26 13:50:10,172 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85398 conditions, 9698 events. 523/9698 cut-off events. For 498591/512011 co-relation queries the response was YES. Maximal size of possible extension queue 1521. Compared 172954 event pairs, 523 based on Foata normal form. 74/9288 useless extension candidates. Maximal degree in co-relation 85225. Up to 1707 conditions per place. [2021-03-26 13:50:10,194 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 552 selfloop transitions, 513 changer transitions 2/1081 dead transitions. [2021-03-26 13:50:10,194 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 551 places, 1081 transitions, 53178 flow [2021-03-26 13:50:10,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:50:10,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:50:10,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:50:10,195 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:50:10,195 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:50:10,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:50:10,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:50:10,195 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:50:10,195 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:50:10,196 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:50:10,196 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:50:10,196 INFO L185 Difference]: Start difference. First operand has 543 places, 1070 transitions, 50782 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:50:10,196 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 551 places, 1081 transitions, 53178 flow [2021-03-26 13:50:14,648 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 545 places, 1081 transitions, 52142 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-26 13:50:14,674 INFO L241 Difference]: Finished difference. Result has 547 places, 1074 transitions, 50999 flow [2021-03-26 13:50:14,674 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=49756, PETRI_DIFFERENCE_MINUEND_PLACES=537, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1070, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=507, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=557, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=50999, PETRI_PLACES=547, PETRI_TRANSITIONS=1074} [2021-03-26 13:50:14,674 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 503 predicate places. [2021-03-26 13:50:14,675 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:50:14,675 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 547 places, 1074 transitions, 50999 flow [2021-03-26 13:50:14,675 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 547 places, 1074 transitions, 50999 flow [2021-03-26 13:50:14,689 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 546 places, 1074 transitions, 50999 flow [2021-03-26 13:50:17,214 INFO L129 PetriNetUnfolder]: 0/8728 cut-off events. [2021-03-26 13:50:17,215 INFO L130 PetriNetUnfolder]: For 455653/462079 co-relation queries the response was YES. [2021-03-26 13:50:17,215 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69388 conditions, 8728 events. 0/8728 cut-off events. For 455653/462079 co-relation queries the response was YES. Maximal size of possible extension queue 1453. Compared 163180 event pairs, 0 based on Foata normal form. 36/8239 useless extension candidates. Maximal degree in co-relation 0. Up to 1010 conditions per place. [2021-03-26 13:50:17,298 INFO L142 LiptonReduction]: Number of co-enabled transitions 6264 [2021-03-26 13:50:17,461 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:50:17,461 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:50:17,461 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2786 [2021-03-26 13:50:17,461 INFO L480 AbstractCegarLoop]: Abstraction has has 546 places, 1074 transitions, 50999 flow [2021-03-26 13:50:17,461 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:50:17,461 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:50:17,462 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 13:50:17,462 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2021-03-26 13:50:17,462 INFO L428 AbstractCegarLoop]: === Iteration 107 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:50:17,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:50:17,462 INFO L82 PathProgramCache]: Analyzing trace with hash -2106915522, now seen corresponding path program 101 times [2021-03-26 13:50:17,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:50:17,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927959844] [2021-03-26 13:50:17,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:50:17,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:50:17,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:50:17,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:50:17,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:50:17,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:50:17,473 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:50:17,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:50:17,480 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:50:17,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:50:17,490 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:50:17,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:50:17,503 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:50:17,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:50:17,520 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:50:17,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:50:17,543 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:50:17,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:50:17,564 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 13:50:17,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927959844] [2021-03-26 13:50:17,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:50:17,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:50:17,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347118422] [2021-03-26 13:50:17,565 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:50:17,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:50:17,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:50:17,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:50:17,565 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:50:17,566 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 546 places, 1074 transitions, 50999 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:50:17,566 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:50:17,566 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:50:17,566 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:50:23,558 INFO L129 PetriNetUnfolder]: 523/9691 cut-off events. [2021-03-26 13:50:23,558 INFO L130 PetriNetUnfolder]: For 501335/514755 co-relation queries the response was YES. [2021-03-26 13:50:23,624 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85382 conditions, 9691 events. 523/9691 cut-off events. For 501335/514755 co-relation queries the response was YES. Maximal size of possible extension queue 1520. Compared 172812 event pairs, 523 based on Foata normal form. 74/9276 useless extension candidates. Maximal degree in co-relation 85208. Up to 1707 conditions per place. [2021-03-26 13:50:23,643 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 551 selfloop transitions, 513 changer transitions 1/1079 dead transitions. [2021-03-26 13:50:23,643 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 554 places, 1079 transitions, 53149 flow [2021-03-26 13:50:23,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:50:23,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:50:23,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:50:23,644 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:50:23,644 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:50:23,644 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:50:23,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:50:23,644 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:50:23,645 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:50:23,645 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:50:23,645 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:50:23,645 INFO L185 Difference]: Start difference. First operand has 546 places, 1074 transitions, 50999 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:50:23,645 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 554 places, 1079 transitions, 53149 flow [2021-03-26 13:50:27,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 549 places, 1079 transitions, 52225 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-26 13:50:28,018 INFO L241 Difference]: Finished difference. Result has 550 places, 1073 transitions, 51046 flow [2021-03-26 13:50:28,019 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=50085, PETRI_DIFFERENCE_MINUEND_PLACES=541, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1074, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=513, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=561, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=51046, PETRI_PLACES=550, PETRI_TRANSITIONS=1073} [2021-03-26 13:50:28,019 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 506 predicate places. [2021-03-26 13:50:28,019 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:50:28,019 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 550 places, 1073 transitions, 51046 flow [2021-03-26 13:50:28,019 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 550 places, 1073 transitions, 51046 flow [2021-03-26 13:50:28,033 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 549 places, 1073 transitions, 51046 flow [2021-03-26 13:50:30,365 INFO L129 PetriNetUnfolder]: 0/8721 cut-off events. [2021-03-26 13:50:30,365 INFO L130 PetriNetUnfolder]: For 455226/460531 co-relation queries the response was YES. [2021-03-26 13:50:30,365 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69507 conditions, 8721 events. 0/8721 cut-off events. For 455226/460531 co-relation queries the response was YES. Maximal size of possible extension queue 1452. Compared 163257 event pairs, 0 based on Foata normal form. 37/8234 useless extension candidates. Maximal degree in co-relation 0. Up to 1009 conditions per place. [2021-03-26 13:50:30,627 INFO L142 LiptonReduction]: Number of co-enabled transitions 6260 [2021-03-26 13:50:30,779 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:50:30,779 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:50:30,779 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2760 [2021-03-26 13:50:30,779 INFO L480 AbstractCegarLoop]: Abstraction has has 549 places, 1073 transitions, 51046 flow [2021-03-26 13:50:30,779 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:50:30,779 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:50:30,779 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 13:50:30,779 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2021-03-26 13:50:30,780 INFO L428 AbstractCegarLoop]: === Iteration 108 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:50:30,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:50:30,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1997969798, now seen corresponding path program 102 times [2021-03-26 13:50:30,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:50:30,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976781363] [2021-03-26 13:50:30,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:50:30,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:50:30,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:50:30,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:50:30,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:50:30,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:50:30,790 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:50:30,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:50:30,797 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:50:30,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:50:30,806 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:50:30,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:50:30,819 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:50:30,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:50:30,836 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:50:30,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:50:30,859 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:50:30,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:50:30,880 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 13:50:30,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976781363] [2021-03-26 13:50:30,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:50:30,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:50:30,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785192025] [2021-03-26 13:50:30,881 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:50:30,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:50:30,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:50:30,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:50:30,881 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:50:30,882 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 549 places, 1073 transitions, 51046 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:50:30,882 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:50:30,882 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:50:30,882 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:50:36,751 INFO L129 PetriNetUnfolder]: 523/9684 cut-off events. [2021-03-26 13:50:36,752 INFO L130 PetriNetUnfolder]: For 501280/514700 co-relation queries the response was YES. [2021-03-26 13:50:36,820 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85499 conditions, 9684 events. 523/9684 cut-off events. For 501280/514700 co-relation queries the response was YES. Maximal size of possible extension queue 1519. Compared 172646 event pairs, 523 based on Foata normal form. 74/9269 useless extension candidates. Maximal degree in co-relation 85325. Up to 1707 conditions per place. [2021-03-26 13:50:36,840 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 553 selfloop transitions, 509 changer transitions 2/1078 dead transitions. [2021-03-26 13:50:36,840 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 557 places, 1078 transitions, 53194 flow [2021-03-26 13:50:36,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:50:36,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:50:36,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:50:36,841 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:50:36,841 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:50:36,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:50:36,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:50:36,841 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:50:36,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:50:36,842 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:50:36,842 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:50:36,842 INFO L185 Difference]: Start difference. First operand has 549 places, 1073 transitions, 51046 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:50:36,842 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 557 places, 1078 transitions, 53194 flow [2021-03-26 13:50:41,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 551 places, 1078 transitions, 52180 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-03-26 13:50:41,180 INFO L241 Difference]: Finished difference. Result has 552 places, 1071 transitions, 50947 flow [2021-03-26 13:50:41,180 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=50042, PETRI_DIFFERENCE_MINUEND_PLACES=543, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1073, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=509, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=564, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=50947, PETRI_PLACES=552, PETRI_TRANSITIONS=1071} [2021-03-26 13:50:41,181 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 508 predicate places. [2021-03-26 13:50:41,181 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:50:41,181 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 552 places, 1071 transitions, 50947 flow [2021-03-26 13:50:41,181 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 552 places, 1071 transitions, 50947 flow [2021-03-26 13:50:41,195 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 551 places, 1071 transitions, 50947 flow [2021-03-26 13:50:43,650 INFO L129 PetriNetUnfolder]: 0/8712 cut-off events. [2021-03-26 13:50:43,650 INFO L130 PetriNetUnfolder]: For 454149/459474 co-relation queries the response was YES. [2021-03-26 13:50:43,650 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69432 conditions, 8712 events. 0/8712 cut-off events. For 454149/459474 co-relation queries the response was YES. Maximal size of possible extension queue 1451. Compared 162934 event pairs, 0 based on Foata normal form. 37/8246 useless extension candidates. Maximal degree in co-relation 0. Up to 1008 conditions per place. [2021-03-26 13:50:43,730 INFO L142 LiptonReduction]: Number of co-enabled transitions 6250 [2021-03-26 13:50:43,881 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:50:43,881 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:50:43,881 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2700 [2021-03-26 13:50:43,882 INFO L480 AbstractCegarLoop]: Abstraction has has 551 places, 1071 transitions, 50947 flow [2021-03-26 13:50:43,882 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:50:43,882 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:50:43,882 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 13:50:43,882 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2021-03-26 13:50:43,882 INFO L428 AbstractCegarLoop]: === Iteration 109 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:50:43,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:50:43,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1286616456, now seen corresponding path program 103 times [2021-03-26 13:50:43,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:50:43,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726540785] [2021-03-26 13:50:43,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:50:43,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:50:43,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:50:43,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:50:43,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:50:43,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:50:43,896 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:50:43,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:50:43,902 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:50:43,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:50:43,912 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:50:43,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:50:43,934 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 13:50:43,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 13:50:43,963 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:50:43,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:50:43,986 INFO L142 QuantifierPusher]: treesize reduction 54, result has 47.6 percent of original size [2021-03-26 13:50:43,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:50:44,007 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 13:50:44,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726540785] [2021-03-26 13:50:44,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:50:44,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 13:50:44,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821518598] [2021-03-26 13:50:44,007 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 13:50:44,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:50:44,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 13:50:44,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 13:50:44,008 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 87 [2021-03-26 13:50:44,008 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 551 places, 1071 transitions, 50947 flow. Second operand has 9 states, 9 states have (on average 71.88888888888889) internal successors, (647), 9 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:50:44,008 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:50:44,008 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 87 [2021-03-26 13:50:44,008 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:50:49,989 INFO L129 PetriNetUnfolder]: 523/9675 cut-off events. [2021-03-26 13:50:49,989 INFO L130 PetriNetUnfolder]: For 500388/513803 co-relation queries the response was YES. [2021-03-26 13:50:50,057 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85420 conditions, 9675 events. 523/9675 cut-off events. For 500388/513803 co-relation queries the response was YES. Maximal size of possible extension queue 1517. Compared 172454 event pairs, 523 based on Foata normal form. 72/9258 useless extension candidates. Maximal degree in co-relation 85246. Up to 1707 conditions per place. [2021-03-26 13:50:50,075 INFO L132 encePairwiseOnDemand]: 79/87 looper letters, 542 selfloop transitions, 518 changer transitions 2/1076 dead transitions. [2021-03-26 13:50:50,075 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 559 places, 1076 transitions, 53091 flow [2021-03-26 13:50:50,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 13:50:50,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 13:50:50,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions. [2021-03-26 13:50:50,076 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607918263090677 [2021-03-26 13:50:50,076 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions. [2021-03-26 13:50:50,076 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions. [2021-03-26 13:50:50,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:50:50,076 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions. [2021-03-26 13:50:50,077 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:50:50,077 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:50:50,077 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 87.0) internal successors, (870), 10 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:50:50,077 INFO L185 Difference]: Start difference. First operand has 551 places, 1071 transitions, 50947 flow. Second operand 9 states and 674 transitions. [2021-03-26 13:50:50,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 559 places, 1076 transitions, 53091 flow [2021-03-26 13:50:54,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 554 places, 1076 transitions, 52424 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-03-26 13:50:54,432 INFO L241 Difference]: Finished difference. Result has 555 places, 1069 transitions, 51208 flow [2021-03-26 13:50:54,432 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=50290, PETRI_DIFFERENCE_MINUEND_PLACES=546, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1071, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=518, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=553, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=51208, PETRI_PLACES=555, PETRI_TRANSITIONS=1069} [2021-03-26 13:50:54,432 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 511 predicate places. [2021-03-26 13:50:54,432 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:50:54,433 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 555 places, 1069 transitions, 51208 flow [2021-03-26 13:50:54,433 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 555 places, 1069 transitions, 51208 flow [2021-03-26 13:50:54,446 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 554 places, 1069 transitions, 51208 flow Received shutdown request... [2021-03-26 13:50:56,368 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2021-03-26 13:50:56,368 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-26 13:50:56,386 WARN L224 ceAbstractionStarter]: Timeout [2021-03-26 13:50:56,386 INFO L202 PluginConnector]: Adding new model example_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 01:50:56 BasicIcfg [2021-03-26 13:50:56,386 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 13:50:56,386 INFO L168 Benchmark]: Toolchain (without parser) took 831338.70 ms. Allocated memory was 255.9 MB in the beginning and 10.1 GB in the end (delta: 9.9 GB). Free memory was 236.6 MB in the beginning and 4.2 GB in the end (delta: -4.0 GB). Peak memory consumption was 6.7 GB. Max. memory is 16.0 GB. [2021-03-26 13:50:56,387 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.35 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.5 MB in the end (delta: 154.7 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 13:50:56,387 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.34 ms. Allocated memory is still 255.9 MB. Free memory was 236.5 MB in the beginning and 234.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 13:50:56,387 INFO L168 Benchmark]: Boogie Preprocessor took 11.56 ms. Allocated memory is still 255.9 MB. Free memory was 234.9 MB in the beginning and 234.0 MB in the end (delta: 905.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 13:50:56,387 INFO L168 Benchmark]: RCFGBuilder took 211.73 ms. Allocated memory is still 255.9 MB. Free memory was 234.0 MB in the beginning and 239.5 MB in the end (delta: -5.4 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.0 GB. [2021-03-26 13:50:56,387 INFO L168 Benchmark]: TraceAbstraction took 831091.61 ms. Allocated memory was 255.9 MB in the beginning and 10.1 GB in the end (delta: 9.9 GB). Free memory was 238.8 MB in the beginning and 4.2 GB in the end (delta: -4.0 GB). Peak memory consumption was 6.7 GB. Max. memory is 16.0 GB. [2021-03-26 13:50:56,387 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 0.35 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.5 MB in the end (delta: 154.7 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 20.34 ms. Allocated memory is still 255.9 MB. Free memory was 236.5 MB in the beginning and 234.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 11.56 ms. Allocated memory is still 255.9 MB. Free memory was 234.9 MB in the beginning and 234.0 MB in the end (delta: 905.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 211.73 ms. Allocated memory is still 255.9 MB. Free memory was 234.0 MB in the beginning and 239.5 MB in the end (delta: -5.4 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 831091.61 ms. Allocated memory was 255.9 MB in the beginning and 10.1 GB in the end (delta: 9.9 GB). Free memory was 238.8 MB in the beginning and 4.2 GB in the end (delta: -4.0 GB). Peak memory consumption was 6.7 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 107.4ms, 51 PlacesBefore, 44 PlacesAfterwards, 71 TransitionsBefore, 64 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 7 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 7 TotalNumberOfCompositions, 357 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 357, positive: 357, positive conditional: 357, 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: 357, positive: 357, positive conditional: 0, positive unconditional: 357, 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: 357, positive: 357, positive conditional: 0, positive unconditional: 357, 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: 357, positive: 357, positive conditional: 0, positive unconditional: 357, 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: 357, positive: 357, positive conditional: 0, positive unconditional: 357, 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: 357, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 357, unknown conditional: 0, unknown unconditional: 357] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.7ms, 32 PlacesBefore, 32 PlacesAfterwards, 59 TransitionsBefore, 59 TransitionsAfterwards, 468 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.8ms, 33 PlacesBefore, 33 PlacesAfterwards, 58 TransitionsBefore, 58 TransitionsAfterwards, 456 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.5ms, 34 PlacesBefore, 34 PlacesAfterwards, 56 TransitionsBefore, 56 TransitionsAfterwards, 432 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.5ms, 35 PlacesBefore, 35 PlacesAfterwards, 52 TransitionsBefore, 52 TransitionsAfterwards, 344 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.5ms, 36 PlacesBefore, 36 PlacesAfterwards, 49 TransitionsBefore, 49 TransitionsAfterwards, 268 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.5ms, 37 PlacesBefore, 37 PlacesAfterwards, 22 TransitionsBefore, 22 TransitionsAfterwards, 126 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.3ms, 51 PlacesBefore, 50 PlacesAfterwards, 27 TransitionsBefore, 27 TransitionsAfterwards, 192 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.0ms, 63 PlacesBefore, 62 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 246 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 31.5ms, 75 PlacesBefore, 74 PlacesAfterwards, 50 TransitionsBefore, 50 TransitionsAfterwards, 342 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 49.6ms, 87 PlacesBefore, 86 PlacesAfterwards, 77 TransitionsBefore, 77 TransitionsAfterwards, 516 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 91.0ms, 99 PlacesBefore, 98 PlacesAfterwards, 96 TransitionsBefore, 96 TransitionsAfterwards, 586 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 120.6ms, 111 PlacesBefore, 110 PlacesAfterwards, 119 TransitionsBefore, 119 TransitionsAfterwards, 730 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 161.7ms, 122 PlacesBefore, 121 PlacesAfterwards, 137 TransitionsBefore, 137 TransitionsAfterwards, 858 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 201.9ms, 134 PlacesBefore, 133 PlacesAfterwards, 169 TransitionsBefore, 169 TransitionsAfterwards, 1036 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 363.8ms, 146 PlacesBefore, 145 PlacesAfterwards, 213 TransitionsBefore, 213 TransitionsAfterwards, 1250 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 361.3ms, 158 PlacesBefore, 157 PlacesAfterwards, 237 TransitionsBefore, 237 TransitionsAfterwards, 1320 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 382.1ms, 170 PlacesBefore, 169 PlacesAfterwards, 251 TransitionsBefore, 251 TransitionsAfterwards, 1450 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 498.3ms, 180 PlacesBefore, 179 PlacesAfterwards, 282 TransitionsBefore, 282 TransitionsAfterwards, 1566 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 438.7ms, 190 PlacesBefore, 189 PlacesAfterwards, 295 TransitionsBefore, 295 TransitionsAfterwards, 1694 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 479.6ms, 200 PlacesBefore, 199 PlacesAfterwards, 335 TransitionsBefore, 335 TransitionsAfterwards, 1862 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 488.8ms, 209 PlacesBefore, 208 PlacesAfterwards, 361 TransitionsBefore, 361 TransitionsAfterwards, 1998 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 596.9ms, 218 PlacesBefore, 217 PlacesAfterwards, 382 TransitionsBefore, 382 TransitionsAfterwards, 2130 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 578.5ms, 226 PlacesBefore, 225 PlacesAfterwards, 397 TransitionsBefore, 397 TransitionsAfterwards, 2246 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 561.5ms, 234 PlacesBefore, 233 PlacesAfterwards, 401 TransitionsBefore, 401 TransitionsAfterwards, 2288 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 590.5ms, 239 PlacesBefore, 238 PlacesAfterwards, 437 TransitionsBefore, 437 TransitionsAfterwards, 2462 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 590.2ms, 245 PlacesBefore, 244 PlacesAfterwards, 442 TransitionsBefore, 442 TransitionsAfterwards, 2510 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 611.2ms, 251 PlacesBefore, 250 PlacesAfterwards, 446 TransitionsBefore, 446 TransitionsAfterwards, 2542 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 625.4ms, 258 PlacesBefore, 257 PlacesAfterwards, 468 TransitionsBefore, 468 TransitionsAfterwards, 2706 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 636.9ms, 265 PlacesBefore, 264 PlacesAfterwards, 473 TransitionsBefore, 473 TransitionsAfterwards, 2762 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 668.4ms, 270 PlacesBefore, 269 PlacesAfterwards, 475 TransitionsBefore, 475 TransitionsAfterwards, 2780 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 649.3ms, 273 PlacesBefore, 272 PlacesAfterwards, 475 TransitionsBefore, 475 TransitionsAfterwards, 2778 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 647.6ms, 273 PlacesBefore, 272 PlacesAfterwards, 474 TransitionsBefore, 474 TransitionsAfterwards, 2768 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 653.5ms, 277 PlacesBefore, 276 PlacesAfterwards, 477 TransitionsBefore, 477 TransitionsAfterwards, 2804 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 669.7ms, 282 PlacesBefore, 281 PlacesAfterwards, 480 TransitionsBefore, 480 TransitionsAfterwards, 2844 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 663.1ms, 285 PlacesBefore, 284 PlacesAfterwards, 483 TransitionsBefore, 483 TransitionsAfterwards, 2858 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 662.9ms, 288 PlacesBefore, 287 PlacesAfterwards, 485 TransitionsBefore, 485 TransitionsAfterwards, 2870 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 666.2ms, 291 PlacesBefore, 290 PlacesAfterwards, 485 TransitionsBefore, 485 TransitionsAfterwards, 2864 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 689.1ms, 296 PlacesBefore, 295 PlacesAfterwards, 492 TransitionsBefore, 492 TransitionsAfterwards, 2926 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 694.4ms, 301 PlacesBefore, 300 PlacesAfterwards, 496 TransitionsBefore, 496 TransitionsAfterwards, 2960 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 698.9ms, 301 PlacesBefore, 299 PlacesAfterwards, 494 TransitionsBefore, 494 TransitionsAfterwards, 2938 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 669.7ms, 300 PlacesBefore, 299 PlacesAfterwards, 494 TransitionsBefore, 494 TransitionsAfterwards, 2940 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 663.4ms, 303 PlacesBefore, 302 PlacesAfterwards, 495 TransitionsBefore, 495 TransitionsAfterwards, 2952 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 700.3ms, 304 PlacesBefore, 303 PlacesAfterwards, 494 TransitionsBefore, 494 TransitionsAfterwards, 2940 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 664.3ms, 305 PlacesBefore, 304 PlacesAfterwards, 492 TransitionsBefore, 492 TransitionsAfterwards, 2924 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 671.8ms, 306 PlacesBefore, 305 PlacesAfterwards, 490 TransitionsBefore, 490 TransitionsAfterwards, 2910 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 678.1ms, 307 PlacesBefore, 306 PlacesAfterwards, 487 TransitionsBefore, 487 TransitionsAfterwards, 2868 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1042.2ms, 314 PlacesBefore, 313 PlacesAfterwards, 576 TransitionsBefore, 576 TransitionsAfterwards, 3174 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1139.0ms, 325 PlacesBefore, 324 PlacesAfterwards, 635 TransitionsBefore, 635 TransitionsAfterwards, 3432 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1420.0ms, 336 PlacesBefore, 335 PlacesAfterwards, 726 TransitionsBefore, 726 TransitionsAfterwards, 3908 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1841.5ms, 345 PlacesBefore, 344 PlacesAfterwards, 751 TransitionsBefore, 751 TransitionsAfterwards, 4062 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1856.2ms, 354 PlacesBefore, 353 PlacesAfterwards, 770 TransitionsBefore, 770 TransitionsAfterwards, 4218 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1853.2ms, 362 PlacesBefore, 361 PlacesAfterwards, 807 TransitionsBefore, 807 TransitionsAfterwards, 4556 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2095.1ms, 371 PlacesBefore, 370 PlacesAfterwards, 836 TransitionsBefore, 836 TransitionsAfterwards, 4738 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2136.1ms, 379 PlacesBefore, 378 PlacesAfterwards, 864 TransitionsBefore, 864 TransitionsAfterwards, 4956 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2183.9ms, 386 PlacesBefore, 385 PlacesAfterwards, 893 TransitionsBefore, 893 TransitionsAfterwards, 5240 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2337.2ms, 392 PlacesBefore, 391 PlacesAfterwards, 944 TransitionsBefore, 944 TransitionsAfterwards, 5490 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2312.1ms, 396 PlacesBefore, 395 PlacesAfterwards, 942 TransitionsBefore, 942 TransitionsAfterwards, 5468 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2232.4ms, 399 PlacesBefore, 398 PlacesAfterwards, 941 TransitionsBefore, 941 TransitionsAfterwards, 5460 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2227.6ms, 404 PlacesBefore, 403 PlacesAfterwards, 945 TransitionsBefore, 945 TransitionsAfterwards, 5470 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2188.6ms, 407 PlacesBefore, 406 PlacesAfterwards, 961 TransitionsBefore, 961 TransitionsAfterwards, 5538 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2246.2ms, 410 PlacesBefore, 409 PlacesAfterwards, 960 TransitionsBefore, 960 TransitionsAfterwards, 5530 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2515.7ms, 412 PlacesBefore, 411 PlacesAfterwards, 959 TransitionsBefore, 959 TransitionsAfterwards, 5520 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2117.0ms, 415 PlacesBefore, 414 PlacesAfterwards, 956 TransitionsBefore, 956 TransitionsAfterwards, 5484 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2424.0ms, 420 PlacesBefore, 419 PlacesAfterwards, 973 TransitionsBefore, 973 TransitionsAfterwards, 5566 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2278.7ms, 423 PlacesBefore, 422 PlacesAfterwards, 971 TransitionsBefore, 971 TransitionsAfterwards, 5552 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2506.1ms, 426 PlacesBefore, 425 PlacesAfterwards, 972 TransitionsBefore, 972 TransitionsAfterwards, 5572 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2569.6ms, 429 PlacesBefore, 428 PlacesAfterwards, 970 TransitionsBefore, 970 TransitionsAfterwards, 5554 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2424.5ms, 433 PlacesBefore, 432 PlacesAfterwards, 973 TransitionsBefore, 973 TransitionsAfterwards, 5574 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2465.4ms, 437 PlacesBefore, 436 PlacesAfterwards, 974 TransitionsBefore, 974 TransitionsAfterwards, 5574 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2491.5ms, 439 PlacesBefore, 438 PlacesAfterwards, 972 TransitionsBefore, 972 TransitionsAfterwards, 5566 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2477.3ms, 440 PlacesBefore, 439 PlacesAfterwards, 970 TransitionsBefore, 970 TransitionsAfterwards, 5546 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2633.0ms, 447 PlacesBefore, 446 PlacesAfterwards, 1004 TransitionsBefore, 1004 TransitionsAfterwards, 5776 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2546.7ms, 452 PlacesBefore, 451 PlacesAfterwards, 1007 TransitionsBefore, 1007 TransitionsAfterwards, 5804 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2460.6ms, 455 PlacesBefore, 454 PlacesAfterwards, 1010 TransitionsBefore, 1010 TransitionsAfterwards, 5812 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2528.3ms, 458 PlacesBefore, 457 PlacesAfterwards, 1024 TransitionsBefore, 1024 TransitionsAfterwards, 5864 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2635.2ms, 462 PlacesBefore, 461 PlacesAfterwards, 1023 TransitionsBefore, 1023 TransitionsAfterwards, 5858 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2605.2ms, 466 PlacesBefore, 465 PlacesAfterwards, 1023 TransitionsBefore, 1023 TransitionsAfterwards, 5860 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2575.6ms, 469 PlacesBefore, 468 PlacesAfterwards, 1022 TransitionsBefore, 1022 TransitionsAfterwards, 5856 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2587.8ms, 473 PlacesBefore, 472 PlacesAfterwards, 1033 TransitionsBefore, 1033 TransitionsAfterwards, 5944 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2551.0ms, 477 PlacesBefore, 476 PlacesAfterwards, 1034 TransitionsBefore, 1034 TransitionsAfterwards, 5958 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2756.9ms, 482 PlacesBefore, 481 PlacesAfterwards, 1063 TransitionsBefore, 1063 TransitionsAfterwards, 6160 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2696.9ms, 486 PlacesBefore, 485 PlacesAfterwards, 1064 TransitionsBefore, 1064 TransitionsAfterwards, 6164 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2629.2ms, 488 PlacesBefore, 487 PlacesAfterwards, 1062 TransitionsBefore, 1062 TransitionsAfterwards, 6144 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2781.3ms, 491 PlacesBefore, 490 PlacesAfterwards, 1062 TransitionsBefore, 1062 TransitionsAfterwards, 6148 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2672.4ms, 493 PlacesBefore, 492 PlacesAfterwards, 1060 TransitionsBefore, 1060 TransitionsAfterwards, 6138 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2778.7ms, 497 PlacesBefore, 496 PlacesAfterwards, 1062 TransitionsBefore, 1062 TransitionsAfterwards, 6158 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2713.0ms, 500 PlacesBefore, 499 PlacesAfterwards, 1060 TransitionsBefore, 1060 TransitionsAfterwards, 6140 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2619.9ms, 502 PlacesBefore, 501 PlacesAfterwards, 1059 TransitionsBefore, 1059 TransitionsAfterwards, 6134 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2758.2ms, 506 PlacesBefore, 505 PlacesAfterwards, 1057 TransitionsBefore, 1057 TransitionsAfterwards, 6122 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2717.0ms, 508 PlacesBefore, 507 PlacesAfterwards, 1056 TransitionsBefore, 1056 TransitionsAfterwards, 6110 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2747.9ms, 511 PlacesBefore, 510 PlacesAfterwards, 1054 TransitionsBefore, 1054 TransitionsAfterwards, 6094 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2653.7ms, 512 PlacesBefore, 511 PlacesAfterwards, 1052 TransitionsBefore, 1052 TransitionsAfterwards, 6066 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2742.0ms, 513 PlacesBefore, 512 PlacesAfterwards, 1050 TransitionsBefore, 1050 TransitionsAfterwards, 6044 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2582.9ms, 515 PlacesBefore, 514 PlacesAfterwards, 1048 TransitionsBefore, 1048 TransitionsAfterwards, 6026 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2628.4ms, 517 PlacesBefore, 516 PlacesAfterwards, 1046 TransitionsBefore, 1046 TransitionsAfterwards, 6012 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2607.6ms, 521 PlacesBefore, 520 PlacesAfterwards, 1045 TransitionsBefore, 1045 TransitionsAfterwards, 6008 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2776.9ms, 524 PlacesBefore, 523 PlacesAfterwards, 1048 TransitionsBefore, 1048 TransitionsAfterwards, 6028 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2623.9ms, 527 PlacesBefore, 526 PlacesAfterwards, 1046 TransitionsBefore, 1046 TransitionsAfterwards, 6014 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2591.9ms, 529 PlacesBefore, 528 PlacesAfterwards, 1045 TransitionsBefore, 1045 TransitionsAfterwards, 6010 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2591.9ms, 533 PlacesBefore, 532 PlacesAfterwards, 1068 TransitionsBefore, 1068 TransitionsAfterwards, 6226 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2582.6ms, 535 PlacesBefore, 534 PlacesAfterwards, 1066 TransitionsBefore, 1066 TransitionsAfterwards, 6208 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2642.3ms, 536 PlacesBefore, 535 PlacesAfterwards, 1073 TransitionsBefore, 1073 TransitionsAfterwards, 6268 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2691.1ms, 538 PlacesBefore, 537 PlacesAfterwards, 1073 TransitionsBefore, 1073 TransitionsAfterwards, 6266 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2659.4ms, 540 PlacesBefore, 539 PlacesAfterwards, 1071 TransitionsBefore, 1071 TransitionsAfterwards, 6258 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2819.4ms, 544 PlacesBefore, 543 PlacesAfterwards, 1070 TransitionsBefore, 1070 TransitionsAfterwards, 6254 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2786.2ms, 547 PlacesBefore, 546 PlacesAfterwards, 1074 TransitionsBefore, 1074 TransitionsAfterwards, 6264 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2759.8ms, 550 PlacesBefore, 549 PlacesAfterwards, 1073 TransitionsBefore, 1073 TransitionsAfterwards, 6260 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2700.4ms, 552 PlacesBefore, 551 PlacesAfterwards, 1071 TransitionsBefore, 1071 TransitionsAfterwards, 6250 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): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - TimeoutResultAtElement [Line: 27]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 27). Cancelled while PetriNetLargeBlockEncoding was applying PetriNetLargeBlockEncoding to Petri net that has 555 places, 1069 transitions, 51208 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 555 places, 1069 transitions, 51208 flow,while PetriNetUnfolder was constructing finite prefix that currently has 65075 conditions, 5113 events (0/5112 cut-off events. For 458814/463941 co-relation queries the response was YES. Maximal size of possible extension queue 1448. Compared 98774 event pairs, 0 based on Foata normal form. 37/5659 useless extension candidates. Maximal degree in co-relation 0. Up to 845 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 39.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 830972.1ms, OverallIterations: 109, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 644034.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 253.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2403 SDtfs, 3599 SDslu, 2311 SDs, 0 SdLazy, 4172 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2803.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 945 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 830 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 515 ImplicationChecksByTransitivity, 13819.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=51208occurred in iteration=109, InterpolantAutomatonStates: 945, 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: 36.7ms SsaConstructionTime, 100.2ms SatisfiabilityAnalysisTime, 12360.1ms InterpolantComputationTime, 2398 NumberOfCodeBlocks, 2398 NumberOfCodeBlocksAsserted, 109 NumberOfCheckSat, 2289 ConstructedInterpolants, 0 QuantifiedInterpolants, 64530 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 109 InterpolantComputations, 109 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown