/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-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy10.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-29 08:06:08,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-29 08:06:08,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-29 08:06:08,691 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-29 08:06:08,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-29 08:06:08,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-29 08:06:08,695 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-29 08:06:08,698 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-29 08:06:08,701 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-29 08:06:08,702 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-29 08:06:08,703 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-29 08:06:08,705 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-29 08:06:08,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-29 08:06:08,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-29 08:06:08,709 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-29 08:06:08,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-29 08:06:08,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-29 08:06:08,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-29 08:06:08,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-29 08:06:08,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-29 08:06:08,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-29 08:06:08,734 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-29 08:06:08,736 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-29 08:06:08,737 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-29 08:06:08,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-29 08:06:08,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-29 08:06:08,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-29 08:06:08,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-29 08:06:08,775 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-RepeatedSemanticLbeWithPredicates.epf [2021-04-29 08:06:08,835 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-29 08:06:08,835 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-29 08:06:08,840 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-29 08:06:08,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-29 08:06:08,841 INFO L138 SettingsManager]: * Use SBE=true [2021-04-29 08:06:08,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-29 08:06:08,841 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-29 08:06:08,841 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-29 08:06:08,842 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-29 08:06:08,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-29 08:06:08,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-29 08:06:08,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-29 08:06:08,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-29 08:06:08,844 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-29 08:06:08,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-29 08:06:08,845 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-29 08:06:08,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-29 08:06:08,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-29 08:06:08,846 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-29 08:06:08,846 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-29 08:06:08,846 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-29 08:06:08,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 08:06:08,847 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-29 08:06:08,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-29 08:06:08,847 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-29 08:06:08,847 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-29 08:06:08,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-29 08:06:08,848 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-29 08:06:08,848 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-29 08:06:08,848 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-29 08:06:08,849 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-29 08:06:09,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-29 08:06:09,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-29 08:06:09,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-29 08:06:09,338 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-04-29 08:06:09,340 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-04-29 08:06:09,341 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy10.wvr.bpl [2021-04-29 08:06:09,341 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy10.wvr.bpl' [2021-04-29 08:06:09,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-29 08:06:09,444 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-04-29 08:06:09,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-29 08:06:09,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-29 08:06:09,447 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-29 08:06:09,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 08:06:09" (1/1) ... [2021-04-29 08:06:09,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 08:06:09" (1/1) ... [2021-04-29 08:06:09,487 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-29 08:06:09,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-29 08:06:09,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-29 08:06:09,489 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-29 08:06:09,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 08:06:09" (1/1) ... [2021-04-29 08:06:09,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 08:06:09" (1/1) ... [2021-04-29 08:06:09,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 08:06:09" (1/1) ... [2021-04-29 08:06:09,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 08:06:09" (1/1) ... [2021-04-29 08:06:09,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 08:06:09" (1/1) ... [2021-04-29 08:06:09,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 08:06:09" (1/1) ... [2021-04-29 08:06:09,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 08:06:09" (1/1) ... [2021-04-29 08:06:09,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-29 08:06:09,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-29 08:06:09,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-29 08:06:09,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-29 08:06:09,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 08:06:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 08:06:09,640 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-04-29 08:06:09,642 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-04-29 08:06:09,642 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-04-29 08:06:09,643 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-04-29 08:06:09,643 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-04-29 08:06:09,643 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-04-29 08:06:09,643 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-04-29 08:06:09,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-29 08:06:09,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-29 08:06:09,644 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-04-29 08:06:09,644 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-04-29 08:06:09,644 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-04-29 08:06:09,645 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-04-29 08:06:09,645 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-04-29 08:06:09,645 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-04-29 08:06:09,646 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-29 08:06:09,884 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-29 08:06:09,884 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-04-29 08:06:09,886 INFO L202 PluginConnector]: Adding new model easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 08:06:09 BoogieIcfgContainer [2021-04-29 08:06:09,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-29 08:06:09,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-29 08:06:09,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-29 08:06:09,896 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-29 08:06:09,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 08:06:09" (1/2) ... [2021-04-29 08:06:09,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@406d58ec and model type easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 08:06:09, skipping insertion in model container [2021-04-29 08:06:09,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 08:06:09" (2/2) ... [2021-04-29 08:06:09,908 INFO L111 eAbstractionObserver]: Analyzing ICFG easy10.wvr.bpl [2021-04-29 08:06:09,924 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-29 08:06:09,935 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-29 08:06:09,937 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-29 08:06:10,017 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-04-29 08:06:10,047 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-04-29 08:06:10,080 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 08:06:10,080 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 08:06:10,080 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 08:06:10,080 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 08:06:10,081 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 08:06:10,081 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 08:06:10,081 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 08:06:10,081 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 08:06:10,115 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 45 transitions, 122 flow [2021-04-29 08:06:10,197 INFO L129 PetriNetUnfolder]: 0/41 cut-off events. [2021-04-29 08:06:10,198 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-04-29 08:06:10,200 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 41 events. 0/41 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 86 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-29 08:06:10,200 INFO L82 GeneralOperation]: Start removeDead. Operand has 58 places, 45 transitions, 122 flow [2021-04-29 08:06:10,206 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 52 places, 39 transitions, 102 flow [2021-04-29 08:06:10,208 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:06:10,227 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 39 transitions, 102 flow [2021-04-29 08:06:10,231 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 39 transitions, 102 flow [2021-04-29 08:06:10,232 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 39 transitions, 102 flow [2021-04-29 08:06:10,251 INFO L129 PetriNetUnfolder]: 0/39 cut-off events. [2021-04-29 08:06:10,252 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-04-29 08:06:10,252 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 39 events. 0/39 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 84 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-29 08:06:10,255 INFO L146 LiptonReduction]: Number of co-enabled transitions 756 [2021-04-29 08:06:10,861 INFO L158 LiptonReduction]: Checked pairs total: 1728 [2021-04-29 08:06:10,861 INFO L160 LiptonReduction]: Total number of compositions: 13 [2021-04-29 08:06:10,869 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 663 [2021-04-29 08:06:10,911 INFO L129 PetriNetUnfolder]: 0/38 cut-off events. [2021-04-29 08:06:10,911 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-04-29 08:06:10,911 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:06:10,912 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:06:10,913 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:06:10,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:06:10,919 INFO L82 PathProgramCache]: Analyzing trace with hash 893900815, now seen corresponding path program 1 times [2021-04-29 08:06:10,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:06:10,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283091765] [2021-04-29 08:06:10,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:06:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:06:11,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:11,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-04-29 08:06:11,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:11,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 08:06:11,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:06:11,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283091765] [2021-04-29 08:06:11,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:06:11,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 08:06:11,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666208356] [2021-04-29 08:06:11,111 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 08:06:11,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:06:11,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 08:06:11,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 08:06:11,130 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 58 [2021-04-29 08:06:11,133 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 39 transitions, 102 flow. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:11,133 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:06:11,133 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 58 [2021-04-29 08:06:11,135 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:06:11,175 INFO L129 PetriNetUnfolder]: 4/53 cut-off events. [2021-04-29 08:06:11,176 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-04-29 08:06:11,183 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 53 events. 4/53 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 155 event pairs, 4 based on Foata normal form. 1/34 useless extension candidates. Maximal degree in co-relation 63. Up to 14 conditions per place. [2021-04-29 08:06:11,185 INFO L132 encePairwiseOnDemand]: 54/58 looper letters, 2 selfloop transitions, 2 changer transitions 6/39 dead transitions. [2021-04-29 08:06:11,185 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 39 transitions, 114 flow [2021-04-29 08:06:11,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 08:06:11,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 08:06:11,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 158 transitions. [2021-04-29 08:06:11,203 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9080459770114943 [2021-04-29 08:06:11,204 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 158 transitions. [2021-04-29 08:06:11,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 158 transitions. [2021-04-29 08:06:11,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:06:11,211 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 158 transitions. [2021-04-29 08:06:11,220 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:11,230 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:11,230 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:11,233 INFO L185 Difference]: Start difference. First operand has 52 places, 39 transitions, 102 flow. Second operand 3 states and 158 transitions. [2021-04-29 08:06:11,234 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 39 transitions, 114 flow [2021-04-29 08:06:11,240 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 39 transitions, 98 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-04-29 08:06:11,243 INFO L241 Difference]: Finished difference. Result has 47 places, 33 transitions, 82 flow [2021-04-29 08:06:11,246 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=58, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=82, PETRI_PLACES=47, PETRI_TRANSITIONS=33} [2021-04-29 08:06:11,247 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, -5 predicate places. [2021-04-29 08:06:11,247 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:06:11,247 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 33 transitions, 82 flow [2021-04-29 08:06:11,248 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 33 transitions, 82 flow [2021-04-29 08:06:11,250 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 33 transitions, 82 flow [2021-04-29 08:06:11,264 INFO L129 PetriNetUnfolder]: 0/33 cut-off events. [2021-04-29 08:06:11,264 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 08:06:11,264 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 33 events. 0/33 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 82 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-29 08:06:11,266 INFO L146 LiptonReduction]: Number of co-enabled transitions 506 [2021-04-29 08:06:11,317 INFO L158 LiptonReduction]: Checked pairs total: 1144 [2021-04-29 08:06:11,317 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-29 08:06:11,318 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 71 [2021-04-29 08:06:11,323 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 33 transitions, 82 flow [2021-04-29 08:06:11,323 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:11,323 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:06:11,324 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:06:11,324 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-29 08:06:11,325 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:06:11,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:06:11,327 INFO L82 PathProgramCache]: Analyzing trace with hash 656599217, now seen corresponding path program 2 times [2021-04-29 08:06:11,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:06:11,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799539878] [2021-04-29 08:06:11,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:06:11,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:06:11,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:11,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-04-29 08:06:11,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:11,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 08:06:11,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:06:11,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799539878] [2021-04-29 08:06:11,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:06:11,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 08:06:11,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673883307] [2021-04-29 08:06:11,387 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 08:06:11,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:06:11,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 08:06:11,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 08:06:11,389 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 59 [2021-04-29 08:06:11,390 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 33 transitions, 82 flow. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:11,390 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:06:11,390 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 59 [2021-04-29 08:06:11,390 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:06:11,411 INFO L129 PetriNetUnfolder]: 4/47 cut-off events. [2021-04-29 08:06:11,411 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 08:06:11,411 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 47 events. 4/47 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 152 event pairs, 4 based on Foata normal form. 1/36 useless extension candidates. Maximal degree in co-relation 54. Up to 14 conditions per place. [2021-04-29 08:06:11,412 INFO L132 encePairwiseOnDemand]: 55/59 looper letters, 2 selfloop transitions, 2 changer transitions 5/33 dead transitions. [2021-04-29 08:06:11,412 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 33 transitions, 94 flow [2021-04-29 08:06:11,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 08:06:11,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 08:06:11,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 161 transitions. [2021-04-29 08:06:11,415 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9096045197740112 [2021-04-29 08:06:11,415 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 161 transitions. [2021-04-29 08:06:11,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 161 transitions. [2021-04-29 08:06:11,415 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:06:11,416 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 161 transitions. [2021-04-29 08:06:11,417 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:11,418 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 59.0) internal successors, (236), 4 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:11,418 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 59.0) internal successors, (236), 4 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:11,418 INFO L185 Difference]: Start difference. First operand has 41 places, 33 transitions, 82 flow. Second operand 3 states and 161 transitions. [2021-04-29 08:06:11,419 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 33 transitions, 94 flow [2021-04-29 08:06:11,420 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 33 transitions, 90 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 08:06:11,421 INFO L241 Difference]: Finished difference. Result has 42 places, 28 transitions, 76 flow [2021-04-29 08:06:11,421 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=42, PETRI_TRANSITIONS=28} [2021-04-29 08:06:11,421 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, -10 predicate places. [2021-04-29 08:06:11,422 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:06:11,422 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 28 transitions, 76 flow [2021-04-29 08:06:11,422 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 28 transitions, 76 flow [2021-04-29 08:06:11,423 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 28 transitions, 76 flow [2021-04-29 08:06:11,429 INFO L129 PetriNetUnfolder]: 0/28 cut-off events. [2021-04-29 08:06:11,429 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 08:06:11,430 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 28 events. 0/28 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 50 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-29 08:06:11,430 INFO L146 LiptonReduction]: Number of co-enabled transitions 306 [2021-04-29 08:06:11,483 INFO L158 LiptonReduction]: Checked pairs total: 341 [2021-04-29 08:06:11,483 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-29 08:06:11,484 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 62 [2021-04-29 08:06:11,486 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 28 transitions, 76 flow [2021-04-29 08:06:11,487 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:11,487 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:06:11,488 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:06:11,488 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-29 08:06:11,488 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:06:11,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:06:11,489 INFO L82 PathProgramCache]: Analyzing trace with hash -1179719233, now seen corresponding path program 1 times [2021-04-29 08:06:11,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:06:11,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758444703] [2021-04-29 08:06:11,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:06:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:06:11,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:11,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-04-29 08:06:11,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:11,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 08:06:11,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:06:11,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758444703] [2021-04-29 08:06:11,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:06:11,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 08:06:11,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734583175] [2021-04-29 08:06:11,541 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 08:06:11,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:06:11,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 08:06:11,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 08:06:11,543 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 60 [2021-04-29 08:06:11,544 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 28 transitions, 76 flow. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:11,544 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:06:11,544 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 60 [2021-04-29 08:06:11,544 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:06:11,558 INFO L129 PetriNetUnfolder]: 1/31 cut-off events. [2021-04-29 08:06:11,558 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-04-29 08:06:11,559 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 31 events. 1/31 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 72 event pairs, 1 based on Foata normal form. 1/29 useless extension candidates. Maximal degree in co-relation 37. Up to 6 conditions per place. [2021-04-29 08:06:11,559 INFO L132 encePairwiseOnDemand]: 57/60 looper letters, 2 selfloop transitions, 2 changer transitions 2/28 dead transitions. [2021-04-29 08:06:11,559 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 28 transitions, 84 flow [2021-04-29 08:06:11,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 08:06:11,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 08:06:11,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 161 transitions. [2021-04-29 08:06:11,562 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8944444444444445 [2021-04-29 08:06:11,562 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 161 transitions. [2021-04-29 08:06:11,562 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 161 transitions. [2021-04-29 08:06:11,562 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:06:11,563 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 161 transitions. [2021-04-29 08:06:11,564 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:11,565 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 60.0) internal successors, (240), 4 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:11,565 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 60.0) internal successors, (240), 4 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:11,566 INFO L185 Difference]: Start difference. First operand has 37 places, 28 transitions, 76 flow. Second operand 3 states and 161 transitions. [2021-04-29 08:06:11,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 28 transitions, 84 flow [2021-04-29 08:06:11,567 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 28 transitions, 80 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 08:06:11,568 INFO L241 Difference]: Finished difference. Result has 38 places, 26 transitions, 76 flow [2021-04-29 08:06:11,568 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=38, PETRI_TRANSITIONS=26} [2021-04-29 08:06:11,568 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, -14 predicate places. [2021-04-29 08:06:11,569 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:06:11,569 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 26 transitions, 76 flow [2021-04-29 08:06:11,569 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 26 transitions, 76 flow [2021-04-29 08:06:11,570 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 26 transitions, 76 flow [2021-04-29 08:06:11,576 INFO L129 PetriNetUnfolder]: 0/26 cut-off events. [2021-04-29 08:06:11,576 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 08:06:11,577 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 26 events. 0/26 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 51 event pairs, 0 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-29 08:06:11,577 INFO L146 LiptonReduction]: Number of co-enabled transitions 246 [2021-04-29 08:06:11,609 INFO L158 LiptonReduction]: Checked pairs total: 157 [2021-04-29 08:06:11,609 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-29 08:06:11,610 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 41 [2021-04-29 08:06:11,611 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 26 transitions, 76 flow [2021-04-29 08:06:11,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:11,612 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:06:11,612 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:06:11,613 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-29 08:06:11,613 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:06:11,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:06:11,613 INFO L82 PathProgramCache]: Analyzing trace with hash -2047557610, now seen corresponding path program 1 times [2021-04-29 08:06:11,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:06:11,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929448808] [2021-04-29 08:06:11,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:06:11,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:06:11,768 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:06:11,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:06:11,783 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:06:11,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:06:11,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:11,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:11,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:11,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:11,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:11,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:11,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:11,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:11,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:11,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:11,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:11,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:11,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:11,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:11,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:11,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:11,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:11,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:11,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:11,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:12,027 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-04-29 08:06:12,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:06:12,068 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:06:12,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:06:12,108 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:06:12,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:12,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:06:12,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929448808] [2021-04-29 08:06:12,115 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:06:12,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-04-29 08:06:12,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135780434] [2021-04-29 08:06:12,116 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-04-29 08:06:12,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:06:12,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-04-29 08:06:12,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2021-04-29 08:06:12,120 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 61 [2021-04-29 08:06:12,121 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 26 transitions, 76 flow. Second operand has 15 states, 15 states have (on average 27.066666666666666) internal successors, (406), 15 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:12,122 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:06:12,122 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 61 [2021-04-29 08:06:12,122 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:06:13,515 INFO L129 PetriNetUnfolder]: 916/1453 cut-off events. [2021-04-29 08:06:13,515 INFO L130 PetriNetUnfolder]: For 299/299 co-relation queries the response was YES. [2021-04-29 08:06:13,521 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3488 conditions, 1453 events. 916/1453 cut-off events. For 299/299 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 7066 event pairs, 282 based on Foata normal form. 1/1336 useless extension candidates. Maximal degree in co-relation 3429. Up to 1100 conditions per place. [2021-04-29 08:06:13,530 INFO L132 encePairwiseOnDemand]: 44/61 looper letters, 32 selfloop transitions, 57 changer transitions 22/119 dead transitions. [2021-04-29 08:06:13,530 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 119 transitions, 563 flow [2021-04-29 08:06:13,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-04-29 08:06:13,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-04-29 08:06:13,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 684 transitions. [2021-04-29 08:06:13,536 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5096870342771982 [2021-04-29 08:06:13,536 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 684 transitions. [2021-04-29 08:06:13,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 684 transitions. [2021-04-29 08:06:13,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:06:13,537 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 684 transitions. [2021-04-29 08:06:13,541 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 31.09090909090909) internal successors, (684), 22 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:13,545 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 61.0) internal successors, (1403), 23 states have internal predecessors, (1403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:13,548 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 61.0) internal successors, (1403), 23 states have internal predecessors, (1403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:13,548 INFO L185 Difference]: Start difference. First operand has 36 places, 26 transitions, 76 flow. Second operand 22 states and 684 transitions. [2021-04-29 08:06:13,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 119 transitions, 563 flow [2021-04-29 08:06:13,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 119 transitions, 535 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 08:06:13,554 INFO L241 Difference]: Finished difference. Result has 65 places, 79 transitions, 414 flow [2021-04-29 08:06:13,554 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=414, PETRI_PLACES=65, PETRI_TRANSITIONS=79} [2021-04-29 08:06:13,554 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 13 predicate places. [2021-04-29 08:06:13,555 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:06:13,555 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 79 transitions, 414 flow [2021-04-29 08:06:13,555 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 79 transitions, 414 flow [2021-04-29 08:06:13,556 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 79 transitions, 414 flow [2021-04-29 08:06:13,589 INFO L129 PetriNetUnfolder]: 141/327 cut-off events. [2021-04-29 08:06:13,589 INFO L130 PetriNetUnfolder]: For 153/159 co-relation queries the response was YES. [2021-04-29 08:06:13,591 INFO L84 FinitePrefix]: Finished finitePrefix Result has 889 conditions, 327 events. 141/327 cut-off events. For 153/159 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1690 event pairs, 35 based on Foata normal form. 0/321 useless extension candidates. Maximal degree in co-relation 872. Up to 204 conditions per place. [2021-04-29 08:06:13,595 INFO L146 LiptonReduction]: Number of co-enabled transitions 406 [2021-04-29 08:06:13,615 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:06:13,616 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:06:13,616 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 62 [2021-04-29 08:06:13,618 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 79 transitions, 414 flow [2021-04-29 08:06:13,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 27.066666666666666) internal successors, (406), 15 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:13,618 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:06:13,619 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:06:13,619 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-29 08:06:13,619 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:06:13,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:06:13,620 INFO L82 PathProgramCache]: Analyzing trace with hash 1466051692, now seen corresponding path program 1 times [2021-04-29 08:06:13,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:06:13,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442233329] [2021-04-29 08:06:13,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:06:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:06:13,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:13,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-04-29 08:06:13,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:13,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 08:06:13,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:06:13,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442233329] [2021-04-29 08:06:13,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:06:13,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 08:06:13,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812997363] [2021-04-29 08:06:13,647 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 08:06:13,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:06:13,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 08:06:13,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 08:06:13,649 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 61 [2021-04-29 08:06:13,650 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 79 transitions, 414 flow. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:13,650 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:06:13,650 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 61 [2021-04-29 08:06:13,650 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:06:13,688 INFO L129 PetriNetUnfolder]: 113/270 cut-off events. [2021-04-29 08:06:13,688 INFO L130 PetriNetUnfolder]: For 180/186 co-relation queries the response was YES. [2021-04-29 08:06:13,690 INFO L84 FinitePrefix]: Finished finitePrefix Result has 760 conditions, 270 events. 113/270 cut-off events. For 180/186 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1314 event pairs, 42 based on Foata normal form. 3/260 useless extension candidates. Maximal degree in co-relation 742. Up to 155 conditions per place. [2021-04-29 08:06:13,693 INFO L132 encePairwiseOnDemand]: 58/61 looper letters, 5 selfloop transitions, 5 changer transitions 0/77 dead transitions. [2021-04-29 08:06:13,693 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 77 transitions, 423 flow [2021-04-29 08:06:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 08:06:13,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 08:06:13,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 164 transitions. [2021-04-29 08:06:13,695 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8961748633879781 [2021-04-29 08:06:13,695 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 164 transitions. [2021-04-29 08:06:13,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 164 transitions. [2021-04-29 08:06:13,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:06:13,695 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 164 transitions. [2021-04-29 08:06:13,696 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:13,697 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:13,697 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:13,697 INFO L185 Difference]: Start difference. First operand has 59 places, 79 transitions, 414 flow. Second operand 3 states and 164 transitions. [2021-04-29 08:06:13,698 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 77 transitions, 423 flow [2021-04-29 08:06:13,702 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 77 transitions, 411 flow, removed 6 selfloop flow, removed 1 redundant places. [2021-04-29 08:06:13,705 INFO L241 Difference]: Finished difference. Result has 61 places, 77 transitions, 408 flow [2021-04-29 08:06:13,705 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=391, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=408, PETRI_PLACES=61, PETRI_TRANSITIONS=77} [2021-04-29 08:06:13,706 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 9 predicate places. [2021-04-29 08:06:13,706 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:06:13,706 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 77 transitions, 408 flow [2021-04-29 08:06:13,706 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 77 transitions, 408 flow [2021-04-29 08:06:13,707 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 77 transitions, 408 flow [2021-04-29 08:06:13,733 INFO L129 PetriNetUnfolder]: 102/257 cut-off events. [2021-04-29 08:06:13,733 INFO L130 PetriNetUnfolder]: For 138/144 co-relation queries the response was YES. [2021-04-29 08:06:13,735 INFO L84 FinitePrefix]: Finished finitePrefix Result has 723 conditions, 257 events. 102/257 cut-off events. For 138/144 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1261 event pairs, 24 based on Foata normal form. 0/251 useless extension candidates. Maximal degree in co-relation 676. Up to 156 conditions per place. [2021-04-29 08:06:13,738 INFO L146 LiptonReduction]: Number of co-enabled transitions 360 [2021-04-29 08:06:13,755 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:06:13,755 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:06:13,755 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49 [2021-04-29 08:06:13,757 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 77 transitions, 408 flow [2021-04-29 08:06:13,757 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:13,757 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:06:13,758 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:06:13,758 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-29 08:06:13,758 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:06:13,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:06:13,759 INFO L82 PathProgramCache]: Analyzing trace with hash -302817690, now seen corresponding path program 2 times [2021-04-29 08:06:13,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:06:13,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186860298] [2021-04-29 08:06:13,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:06:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:06:13,839 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:06:13,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:06:13,846 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:06:13,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:06:13,857 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:06:13,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:06:13,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:13,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:13,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:13,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:13,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:13,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:13,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:13,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:13,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:13,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:13,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:13,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:13,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:13,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:13,980 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-04-29 08:06:13,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:06:14,005 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-04-29 08:06:14,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:06:14,014 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:06:14,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:06:14,042 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:06:14,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:14,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:06:14,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186860298] [2021-04-29 08:06:14,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:06:14,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:06:14,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238699664] [2021-04-29 08:06:14,049 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:06:14,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:06:14,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:06:14,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:06:14,051 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 61 [2021-04-29 08:06:14,051 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 77 transitions, 408 flow. Second operand has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:14,052 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:06:14,052 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 61 [2021-04-29 08:06:14,052 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:06:15,182 INFO L129 PetriNetUnfolder]: 551/909 cut-off events. [2021-04-29 08:06:15,182 INFO L130 PetriNetUnfolder]: For 1815/1855 co-relation queries the response was YES. [2021-04-29 08:06:15,186 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3475 conditions, 909 events. 551/909 cut-off events. For 1815/1855 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 4016 event pairs, 161 based on Foata normal form. 11/919 useless extension candidates. Maximal degree in co-relation 3397. Up to 706 conditions per place. [2021-04-29 08:06:15,194 INFO L132 encePairwiseOnDemand]: 46/61 looper letters, 83 selfloop transitions, 69 changer transitions 2/162 dead transitions. [2021-04-29 08:06:15,194 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 162 transitions, 1180 flow [2021-04-29 08:06:15,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-04-29 08:06:15,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-04-29 08:06:15,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 651 transitions. [2021-04-29 08:06:15,198 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5081967213114754 [2021-04-29 08:06:15,198 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 651 transitions. [2021-04-29 08:06:15,198 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 651 transitions. [2021-04-29 08:06:15,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:06:15,199 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 651 transitions. [2021-04-29 08:06:15,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 31.0) internal successors, (651), 21 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:15,205 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 61.0) internal successors, (1342), 22 states have internal predecessors, (1342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:15,206 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 61.0) internal successors, (1342), 22 states have internal predecessors, (1342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:15,206 INFO L185 Difference]: Start difference. First operand has 61 places, 77 transitions, 408 flow. Second operand 21 states and 651 transitions. [2021-04-29 08:06:15,206 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 162 transitions, 1180 flow [2021-04-29 08:06:15,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 162 transitions, 1168 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 08:06:15,219 INFO L241 Difference]: Finished difference. Result has 86 places, 140 transitions, 931 flow [2021-04-29 08:06:15,219 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=398, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=931, PETRI_PLACES=86, PETRI_TRANSITIONS=140} [2021-04-29 08:06:15,220 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 34 predicate places. [2021-04-29 08:06:15,220 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:06:15,220 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 140 transitions, 931 flow [2021-04-29 08:06:15,221 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 140 transitions, 931 flow [2021-04-29 08:06:15,222 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 140 transitions, 931 flow [2021-04-29 08:06:15,279 INFO L129 PetriNetUnfolder]: 235/487 cut-off events. [2021-04-29 08:06:15,279 INFO L130 PetriNetUnfolder]: For 890/921 co-relation queries the response was YES. [2021-04-29 08:06:15,282 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1781 conditions, 487 events. 235/487 cut-off events. For 890/921 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2588 event pairs, 75 based on Foata normal form. 3/460 useless extension candidates. Maximal degree in co-relation 1733. Up to 290 conditions per place. [2021-04-29 08:06:15,290 INFO L146 LiptonReduction]: Number of co-enabled transitions 510 [2021-04-29 08:06:15,335 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:06:15,335 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:06:15,335 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 115 [2021-04-29 08:06:15,337 INFO L480 AbstractCegarLoop]: Abstraction has has 85 places, 140 transitions, 931 flow [2021-04-29 08:06:15,337 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:15,337 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:06:15,337 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:06:15,338 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-29 08:06:15,338 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:06:15,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:06:15,338 INFO L82 PathProgramCache]: Analyzing trace with hash -703305552, now seen corresponding path program 3 times [2021-04-29 08:06:15,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:06:15,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991709820] [2021-04-29 08:06:15,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:06:15,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:06:15,441 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:06:15,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:06:15,452 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:06:15,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:06:15,463 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:06:15,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:06:15,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:15,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:15,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:15,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:15,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:15,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:06:15,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:15,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:15,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:15,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:15,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:15,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:15,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:15,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:15,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:15,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:15,622 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-04-29 08:06:15,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:06:15,634 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:06:15,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:06:15,661 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:06:15,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:15,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:06:15,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991709820] [2021-04-29 08:06:15,666 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:06:15,666 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:06:15,666 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97847639] [2021-04-29 08:06:15,667 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:06:15,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:06:15,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:06:15,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:06:15,668 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 61 [2021-04-29 08:06:15,669 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 140 transitions, 931 flow. Second operand has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:15,669 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:06:15,669 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 61 [2021-04-29 08:06:15,670 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:06:16,751 INFO L129 PetriNetUnfolder]: 678/1101 cut-off events. [2021-04-29 08:06:16,752 INFO L130 PetriNetUnfolder]: For 4730/4841 co-relation queries the response was YES. [2021-04-29 08:06:16,757 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5366 conditions, 1101 events. 678/1101 cut-off events. For 4730/4841 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 4923 event pairs, 195 based on Foata normal form. 34/1134 useless extension candidates. Maximal degree in co-relation 5281. Up to 843 conditions per place. [2021-04-29 08:06:16,767 INFO L132 encePairwiseOnDemand]: 46/61 looper letters, 112 selfloop transitions, 97 changer transitions 2/219 dead transitions. [2021-04-29 08:06:16,767 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 219 transitions, 1932 flow [2021-04-29 08:06:16,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-04-29 08:06:16,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-04-29 08:06:16,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 647 transitions. [2021-04-29 08:06:16,771 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5050741608118657 [2021-04-29 08:06:16,771 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 647 transitions. [2021-04-29 08:06:16,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 647 transitions. [2021-04-29 08:06:16,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:06:16,772 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 647 transitions. [2021-04-29 08:06:16,774 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 30.80952380952381) internal successors, (647), 21 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) [2021-04-29 08:06:16,777 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 61.0) internal successors, (1342), 22 states have internal predecessors, (1342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:16,778 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 61.0) internal successors, (1342), 22 states have internal predecessors, (1342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:16,778 INFO L185 Difference]: Start difference. First operand has 85 places, 140 transitions, 931 flow. Second operand 21 states and 647 transitions. [2021-04-29 08:06:16,778 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 219 transitions, 1932 flow [2021-04-29 08:06:16,795 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 219 transitions, 1797 flow, removed 66 selfloop flow, removed 1 redundant places. [2021-04-29 08:06:16,801 INFO L241 Difference]: Finished difference. Result has 113 places, 195 transitions, 1466 flow [2021-04-29 08:06:16,801 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=806, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1466, PETRI_PLACES=113, PETRI_TRANSITIONS=195} [2021-04-29 08:06:16,801 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 61 predicate places. [2021-04-29 08:06:16,801 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:06:16,802 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 113 places, 195 transitions, 1466 flow [2021-04-29 08:06:16,802 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 113 places, 195 transitions, 1466 flow [2021-04-29 08:06:16,804 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 111 places, 195 transitions, 1466 flow [2021-04-29 08:06:16,877 INFO L129 PetriNetUnfolder]: 331/636 cut-off events. [2021-04-29 08:06:16,877 INFO L130 PetriNetUnfolder]: For 2348/2423 co-relation queries the response was YES. [2021-04-29 08:06:16,882 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2827 conditions, 636 events. 331/636 cut-off events. For 2348/2423 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3365 event pairs, 42 based on Foata normal form. 4/599 useless extension candidates. Maximal degree in co-relation 2793. Up to 368 conditions per place. [2021-04-29 08:06:16,890 INFO L146 LiptonReduction]: Number of co-enabled transitions 588 [2021-04-29 08:06:16,951 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:06:16,951 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:06:16,951 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 150 [2021-04-29 08:06:16,952 INFO L480 AbstractCegarLoop]: Abstraction has has 111 places, 195 transitions, 1466 flow [2021-04-29 08:06:16,953 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:16,953 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:06:16,953 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:06:16,953 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-29 08:06:16,953 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:06:16,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:06:16,954 INFO L82 PathProgramCache]: Analyzing trace with hash 330305338, now seen corresponding path program 4 times [2021-04-29 08:06:16,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:06:16,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401427536] [2021-04-29 08:06:16,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:06:16,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:06:16,995 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:06:16,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:06:17,002 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:06:17,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:06:17,011 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:06:17,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:06:17,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:17,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:17,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:17,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:17,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:17,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:06:17,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:17,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:17,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:17,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:17,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:17,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:17,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:17,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:17,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:17,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:17,155 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-04-29 08:06:17,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:06:17,161 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:06:17,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:06:17,189 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:06:17,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:17,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:06:17,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401427536] [2021-04-29 08:06:17,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:06:17,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:06:17,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429656050] [2021-04-29 08:06:17,195 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:06:17,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:06:17,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:06:17,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:06:17,196 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 61 [2021-04-29 08:06:17,197 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 195 transitions, 1466 flow. Second operand has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:17,197 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:06:17,197 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 61 [2021-04-29 08:06:17,197 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:06:18,283 INFO L129 PetriNetUnfolder]: 731/1209 cut-off events. [2021-04-29 08:06:18,283 INFO L130 PetriNetUnfolder]: For 9026/9140 co-relation queries the response was YES. [2021-04-29 08:06:18,291 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6973 conditions, 1209 events. 731/1209 cut-off events. For 9026/9140 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 5646 event pairs, 206 based on Foata normal form. 38/1246 useless extension candidates. Maximal degree in co-relation 6937. Up to 991 conditions per place. [2021-04-29 08:06:18,304 INFO L132 encePairwiseOnDemand]: 46/61 looper letters, 158 selfloop transitions, 86 changer transitions 2/254 dead transitions. [2021-04-29 08:06:18,304 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 254 transitions, 2571 flow [2021-04-29 08:06:18,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-04-29 08:06:18,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-04-29 08:06:18,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 646 transitions. [2021-04-29 08:06:18,308 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5042935206869633 [2021-04-29 08:06:18,308 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 646 transitions. [2021-04-29 08:06:18,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 646 transitions. [2021-04-29 08:06:18,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:06:18,309 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 646 transitions. [2021-04-29 08:06:18,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 30.761904761904763) internal successors, (646), 21 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:18,314 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 61.0) internal successors, (1342), 22 states have internal predecessors, (1342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:18,314 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 61.0) internal successors, (1342), 22 states have internal predecessors, (1342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:18,314 INFO L185 Difference]: Start difference. First operand has 111 places, 195 transitions, 1466 flow. Second operand 21 states and 646 transitions. [2021-04-29 08:06:18,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 254 transitions, 2571 flow [2021-04-29 08:06:18,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 254 transitions, 2371 flow, removed 94 selfloop flow, removed 2 redundant places. [2021-04-29 08:06:18,353 INFO L241 Difference]: Finished difference. Result has 136 places, 233 transitions, 1862 flow [2021-04-29 08:06:18,354 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=1292, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1862, PETRI_PLACES=136, PETRI_TRANSITIONS=233} [2021-04-29 08:06:18,354 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 84 predicate places. [2021-04-29 08:06:18,354 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:06:18,354 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 136 places, 233 transitions, 1862 flow [2021-04-29 08:06:18,355 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 136 places, 233 transitions, 1862 flow [2021-04-29 08:06:18,357 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 134 places, 233 transitions, 1862 flow [2021-04-29 08:06:18,464 INFO L129 PetriNetUnfolder]: 382/742 cut-off events. [2021-04-29 08:06:18,464 INFO L130 PetriNetUnfolder]: For 3988/4111 co-relation queries the response was YES. [2021-04-29 08:06:18,471 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3629 conditions, 742 events. 382/742 cut-off events. For 3988/4111 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 4106 event pairs, 34 based on Foata normal form. 13/713 useless extension candidates. Maximal degree in co-relation 3588. Up to 385 conditions per place. [2021-04-29 08:06:18,484 INFO L146 LiptonReduction]: Number of co-enabled transitions 644 [2021-04-29 08:06:18,523 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:06:18,524 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:06:18,524 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 170 [2021-04-29 08:06:18,525 INFO L480 AbstractCegarLoop]: Abstraction has has 134 places, 233 transitions, 1862 flow [2021-04-29 08:06:18,525 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:18,525 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:06:18,525 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:06:18,526 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-29 08:06:18,526 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:06:18,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:06:18,526 INFO L82 PathProgramCache]: Analyzing trace with hash -669656724, now seen corresponding path program 5 times [2021-04-29 08:06:18,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:06:18,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039033737] [2021-04-29 08:06:18,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:06:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:06:18,565 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:06:18,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:06:18,572 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:06:18,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:06:18,581 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:06:18,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:06:18,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:18,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:18,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:18,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:18,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:18,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:06:18,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:18,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:18,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:18,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:18,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:18,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:06:18,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:18,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:18,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:18,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:18,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:18,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:06:18,747 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:06:18,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:06:18,773 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:06:18,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:18,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:06:18,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039033737] [2021-04-29 08:06:18,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:06:18,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-04-29 08:06:18,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187368074] [2021-04-29 08:06:18,778 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:06:18,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:06:18,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:06:18,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:06:18,780 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 61 [2021-04-29 08:06:18,780 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 233 transitions, 1862 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:18,781 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:06:18,781 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 61 [2021-04-29 08:06:18,781 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:06:20,025 INFO L129 PetriNetUnfolder]: 759/1277 cut-off events. [2021-04-29 08:06:20,026 INFO L130 PetriNetUnfolder]: For 12245/12385 co-relation queries the response was YES. [2021-04-29 08:06:20,036 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7949 conditions, 1277 events. 759/1277 cut-off events. For 12245/12385 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 6158 event pairs, 185 based on Foata normal form. 43/1319 useless extension candidates. Maximal degree in co-relation 7903. Up to 969 conditions per place. [2021-04-29 08:06:20,049 INFO L132 encePairwiseOnDemand]: 46/61 looper letters, 149 selfloop transitions, 124 changer transitions 3/284 dead transitions. [2021-04-29 08:06:20,049 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 284 transitions, 2935 flow [2021-04-29 08:06:20,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-04-29 08:06:20,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-04-29 08:06:20,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 618 transitions. [2021-04-29 08:06:20,053 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5065573770491804 [2021-04-29 08:06:20,053 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 618 transitions. [2021-04-29 08:06:20,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 618 transitions. [2021-04-29 08:06:20,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:06:20,054 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 618 transitions. [2021-04-29 08:06:20,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 30.9) internal successors, (618), 20 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:20,058 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 61.0) internal successors, (1281), 21 states have internal predecessors, (1281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:20,059 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 61.0) internal successors, (1281), 21 states have internal predecessors, (1281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:20,059 INFO L185 Difference]: Start difference. First operand has 134 places, 233 transitions, 1862 flow. Second operand 20 states and 618 transitions. [2021-04-29 08:06:20,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 284 transitions, 2935 flow [2021-04-29 08:06:20,096 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 284 transitions, 2708 flow, removed 97 selfloop flow, removed 6 redundant places. [2021-04-29 08:06:20,102 INFO L241 Difference]: Finished difference. Result has 154 places, 260 transitions, 2165 flow [2021-04-29 08:06:20,102 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=1641, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=99, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=2165, PETRI_PLACES=154, PETRI_TRANSITIONS=260} [2021-04-29 08:06:20,103 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 102 predicate places. [2021-04-29 08:06:20,103 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:06:20,103 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 154 places, 260 transitions, 2165 flow [2021-04-29 08:06:20,103 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 154 places, 260 transitions, 2165 flow [2021-04-29 08:06:20,106 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 152 places, 260 transitions, 2165 flow [2021-04-29 08:06:20,208 INFO L129 PetriNetUnfolder]: 413/816 cut-off events. [2021-04-29 08:06:20,209 INFO L130 PetriNetUnfolder]: For 5796/5895 co-relation queries the response was YES. [2021-04-29 08:06:20,216 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4277 conditions, 816 events. 413/816 cut-off events. For 5796/5895 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 4627 event pairs, 34 based on Foata normal form. 14/791 useless extension candidates. Maximal degree in co-relation 4227. Up to 371 conditions per place. [2021-04-29 08:06:20,228 INFO L146 LiptonReduction]: Number of co-enabled transitions 660 [2021-04-29 08:06:20,269 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:06:20,270 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:06:20,270 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 167 [2021-04-29 08:06:20,271 INFO L480 AbstractCegarLoop]: Abstraction has has 152 places, 260 transitions, 2165 flow [2021-04-29 08:06:20,271 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:20,271 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:06:20,272 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:06:20,272 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-29 08:06:20,272 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:06:20,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:06:20,273 INFO L82 PathProgramCache]: Analyzing trace with hash 861070694, now seen corresponding path program 6 times [2021-04-29 08:06:20,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:06:20,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311531436] [2021-04-29 08:06:20,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:06:20,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:06:20,309 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:06:20,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:06:20,316 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:06:20,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:06:20,326 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:06:20,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:06:20,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:20,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:20,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:20,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:20,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:20,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:06:20,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:20,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:20,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:20,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:20,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:20,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:06:20,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:20,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:20,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:20,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:20,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:20,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:06:20,483 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:06:20,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:06:20,514 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:06:20,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:20,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:06:20,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311531436] [2021-04-29 08:06:20,521 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:06:20,521 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-04-29 08:06:20,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308895659] [2021-04-29 08:06:20,521 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:06:20,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:06:20,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:06:20,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:06:20,523 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 61 [2021-04-29 08:06:20,523 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 260 transitions, 2165 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:20,523 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:06:20,523 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 61 [2021-04-29 08:06:20,524 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:06:21,859 INFO L129 PetriNetUnfolder]: 786/1329 cut-off events. [2021-04-29 08:06:21,859 INFO L130 PetriNetUnfolder]: For 15851/15931 co-relation queries the response was YES. [2021-04-29 08:06:21,871 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8882 conditions, 1329 events. 786/1329 cut-off events. For 15851/15931 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 6522 event pairs, 201 based on Foata normal form. 27/1355 useless extension candidates. Maximal degree in co-relation 8826. Up to 1081 conditions per place. [2021-04-29 08:06:21,886 INFO L132 encePairwiseOnDemand]: 46/61 looper letters, 193 selfloop transitions, 103 changer transitions 3/307 dead transitions. [2021-04-29 08:06:21,886 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 307 transitions, 3265 flow [2021-04-29 08:06:21,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-04-29 08:06:21,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-04-29 08:06:21,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 617 transitions. [2021-04-29 08:06:21,890 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5057377049180328 [2021-04-29 08:06:21,890 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 617 transitions. [2021-04-29 08:06:21,891 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 617 transitions. [2021-04-29 08:06:21,891 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:06:21,891 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 617 transitions. [2021-04-29 08:06:21,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 30.85) internal successors, (617), 20 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:21,896 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 61.0) internal successors, (1281), 21 states have internal predecessors, (1281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:21,897 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 61.0) internal successors, (1281), 21 states have internal predecessors, (1281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:21,897 INFO L185 Difference]: Start difference. First operand has 152 places, 260 transitions, 2165 flow. Second operand 20 states and 617 transitions. [2021-04-29 08:06:21,897 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 307 transitions, 3265 flow [2021-04-29 08:06:21,955 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 307 transitions, 3052 flow, removed 50 selfloop flow, removed 9 redundant places. [2021-04-29 08:06:21,962 INFO L241 Difference]: Finished difference. Result has 169 places, 287 transitions, 2459 flow [2021-04-29 08:06:21,962 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=1958, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=78, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=2459, PETRI_PLACES=169, PETRI_TRANSITIONS=287} [2021-04-29 08:06:21,963 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 117 predicate places. [2021-04-29 08:06:21,963 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:06:21,963 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 169 places, 287 transitions, 2459 flow [2021-04-29 08:06:21,963 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 169 places, 287 transitions, 2459 flow [2021-04-29 08:06:21,966 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 167 places, 287 transitions, 2459 flow [2021-04-29 08:06:22,068 INFO L129 PetriNetUnfolder]: 432/857 cut-off events. [2021-04-29 08:06:22,068 INFO L130 PetriNetUnfolder]: For 7461/7566 co-relation queries the response was YES. [2021-04-29 08:06:22,076 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4865 conditions, 857 events. 432/857 cut-off events. For 7461/7566 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 4891 event pairs, 34 based on Foata normal form. 9/840 useless extension candidates. Maximal degree in co-relation 4806. Up to 349 conditions per place. [2021-04-29 08:06:22,090 INFO L146 LiptonReduction]: Number of co-enabled transitions 646 [2021-04-29 08:06:22,130 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:06:22,130 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:06:22,130 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 167 [2021-04-29 08:06:22,131 INFO L480 AbstractCegarLoop]: Abstraction has has 167 places, 287 transitions, 2459 flow [2021-04-29 08:06:22,131 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:22,131 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:06:22,131 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:06:22,132 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-29 08:06:22,132 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:06:22,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:06:22,132 INFO L82 PathProgramCache]: Analyzing trace with hash -2037447816, now seen corresponding path program 7 times [2021-04-29 08:06:22,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:06:22,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811740106] [2021-04-29 08:06:22,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:06:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:06:22,165 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:06:22,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:06:22,172 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:06:22,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:06:22,187 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:06:22,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:06:22,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:22,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:22,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:22,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:22,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:22,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:06:22,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:22,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:22,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:22,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:22,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:22,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:22,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:22,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:22,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:22,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:22,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:22,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:06:22,359 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:06:22,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:06:22,385 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:06:22,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:22,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:06:22,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811740106] [2021-04-29 08:06:22,389 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:06:22,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-04-29 08:06:22,390 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284345063] [2021-04-29 08:06:22,390 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:06:22,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:06:22,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:06:22,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:06:22,391 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 61 [2021-04-29 08:06:22,392 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 287 transitions, 2459 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:22,392 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:06:22,392 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 61 [2021-04-29 08:06:22,392 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:06:24,046 INFO L129 PetriNetUnfolder]: 836/1420 cut-off events. [2021-04-29 08:06:24,046 INFO L130 PetriNetUnfolder]: For 20288/20368 co-relation queries the response was YES. [2021-04-29 08:06:24,059 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10072 conditions, 1420 events. 836/1420 cut-off events. For 20288/20368 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 7059 event pairs, 191 based on Foata normal form. 27/1446 useless extension candidates. Maximal degree in co-relation 10006. Up to 1065 conditions per place. [2021-04-29 08:06:24,076 INFO L132 encePairwiseOnDemand]: 46/61 looper letters, 183 selfloop transitions, 157 changer transitions 5/353 dead transitions. [2021-04-29 08:06:24,076 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 353 transitions, 4027 flow [2021-04-29 08:06:24,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-04-29 08:06:24,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-04-29 08:06:24,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 769 transitions. [2021-04-29 08:06:24,080 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5042622950819672 [2021-04-29 08:06:24,080 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 769 transitions. [2021-04-29 08:06:24,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 769 transitions. [2021-04-29 08:06:24,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:06:24,144 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 769 transitions. [2021-04-29 08:06:24,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 30.76) internal successors, (769), 25 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:24,151 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 61.0) internal successors, (1586), 26 states have internal predecessors, (1586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:24,154 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 61.0) internal successors, (1586), 26 states have internal predecessors, (1586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:24,154 INFO L185 Difference]: Start difference. First operand has 167 places, 287 transitions, 2459 flow. Second operand 25 states and 769 transitions. [2021-04-29 08:06:24,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 353 transitions, 4027 flow [2021-04-29 08:06:24,221 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 353 transitions, 3837 flow, removed 54 selfloop flow, removed 9 redundant places. [2021-04-29 08:06:24,228 INFO L241 Difference]: Finished difference. Result has 189 places, 324 transitions, 3085 flow [2021-04-29 08:06:24,229 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=2273, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=124, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=3085, PETRI_PLACES=189, PETRI_TRANSITIONS=324} [2021-04-29 08:06:24,229 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 137 predicate places. [2021-04-29 08:06:24,229 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:06:24,229 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 189 places, 324 transitions, 3085 flow [2021-04-29 08:06:24,230 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 189 places, 324 transitions, 3085 flow [2021-04-29 08:06:24,233 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 187 places, 324 transitions, 3085 flow [2021-04-29 08:06:24,334 INFO L129 PetriNetUnfolder]: 481/944 cut-off events. [2021-04-29 08:06:24,334 INFO L130 PetriNetUnfolder]: For 9989/10100 co-relation queries the response was YES. [2021-04-29 08:06:24,344 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5880 conditions, 944 events. 481/944 cut-off events. For 9989/10100 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 5408 event pairs, 48 based on Foata normal form. 10/915 useless extension candidates. Maximal degree in co-relation 5812. Up to 385 conditions per place. [2021-04-29 08:06:24,359 INFO L146 LiptonReduction]: Number of co-enabled transitions 656 [2021-04-29 08:06:24,405 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:06:24,405 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:06:24,405 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 176 [2021-04-29 08:06:24,406 INFO L480 AbstractCegarLoop]: Abstraction has has 187 places, 324 transitions, 3085 flow [2021-04-29 08:06:24,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:24,406 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:06:24,407 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:06:24,407 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-29 08:06:24,407 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:06:24,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:06:24,407 INFO L82 PathProgramCache]: Analyzing trace with hash -768250696, now seen corresponding path program 8 times [2021-04-29 08:06:24,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:06:24,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208644526] [2021-04-29 08:06:24,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:06:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:06:24,440 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:06:24,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:06:24,447 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:06:24,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:06:24,457 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:06:24,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:06:24,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:24,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:24,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:24,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:24,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:24,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:06:24,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:24,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:24,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:24,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:24,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:24,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:24,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:24,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:24,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:24,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:24,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:24,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:06:24,625 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:06:24,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:06:24,652 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:06:24,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:24,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:06:24,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208644526] [2021-04-29 08:06:24,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:06:24,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-04-29 08:06:24,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232488375] [2021-04-29 08:06:24,657 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:06:24,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:06:24,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:06:24,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:06:24,659 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 61 [2021-04-29 08:06:24,659 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 324 transitions, 3085 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:24,659 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:06:24,660 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 61 [2021-04-29 08:06:24,660 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:06:26,082 INFO L129 PetriNetUnfolder]: 888/1503 cut-off events. [2021-04-29 08:06:26,083 INFO L130 PetriNetUnfolder]: For 26567/26706 co-relation queries the response was YES. [2021-04-29 08:06:26,096 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11657 conditions, 1503 events. 888/1503 cut-off events. For 26567/26706 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 7511 event pairs, 196 based on Foata normal form. 43/1545 useless extension candidates. Maximal degree in co-relation 11581. Up to 1202 conditions per place. [2021-04-29 08:06:26,112 INFO L132 encePairwiseOnDemand]: 46/61 looper letters, 248 selfloop transitions, 129 changer transitions 7/392 dead transitions. [2021-04-29 08:06:26,113 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 392 transitions, 4774 flow [2021-04-29 08:06:26,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-04-29 08:06:26,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-04-29 08:06:26,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 707 transitions. [2021-04-29 08:06:26,116 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5039201710620099 [2021-04-29 08:06:26,116 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 707 transitions. [2021-04-29 08:06:26,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 707 transitions. [2021-04-29 08:06:26,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:06:26,117 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 707 transitions. [2021-04-29 08:06:26,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 30.73913043478261) internal successors, (707), 23 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:26,123 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 61.0) internal successors, (1464), 24 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:26,123 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 61.0) internal successors, (1464), 24 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:26,124 INFO L185 Difference]: Start difference. First operand has 187 places, 324 transitions, 3085 flow. Second operand 23 states and 707 transitions. [2021-04-29 08:06:26,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 392 transitions, 4774 flow [2021-04-29 08:06:26,234 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 392 transitions, 4363 flow, removed 123 selfloop flow, removed 13 redundant places. [2021-04-29 08:06:26,244 INFO L241 Difference]: Finished difference. Result has 203 places, 364 transitions, 3538 flow [2021-04-29 08:06:26,244 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=2706, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=324, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=94, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=3538, PETRI_PLACES=203, PETRI_TRANSITIONS=364} [2021-04-29 08:06:26,244 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 151 predicate places. [2021-04-29 08:06:26,245 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:06:26,245 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 203 places, 364 transitions, 3538 flow [2021-04-29 08:06:26,245 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 203 places, 364 transitions, 3538 flow [2021-04-29 08:06:26,249 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 199 places, 364 transitions, 3538 flow [2021-04-29 08:06:26,414 INFO L129 PetriNetUnfolder]: 511/1006 cut-off events. [2021-04-29 08:06:26,414 INFO L130 PetriNetUnfolder]: For 12426/12482 co-relation queries the response was YES. [2021-04-29 08:06:26,425 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6615 conditions, 1006 events. 511/1006 cut-off events. For 12426/12482 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 5755 event pairs, 48 based on Foata normal form. 9/980 useless extension candidates. Maximal degree in co-relation 6540. Up to 376 conditions per place. [2021-04-29 08:06:26,439 INFO L146 LiptonReduction]: Number of co-enabled transitions 686 [2021-04-29 08:06:26,496 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:06:26,496 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:06:26,496 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 251 [2021-04-29 08:06:26,497 INFO L480 AbstractCegarLoop]: Abstraction has has 199 places, 364 transitions, 3538 flow [2021-04-29 08:06:26,497 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:26,497 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:06:26,498 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, 1] [2021-04-29 08:06:26,498 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-29 08:06:26,498 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:06:26,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:06:26,498 INFO L82 PathProgramCache]: Analyzing trace with hash -1296170882, now seen corresponding path program 9 times [2021-04-29 08:06:26,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:06:26,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970942099] [2021-04-29 08:06:26,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:06:26,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:06:26,529 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:06:26,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:06:26,536 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:06:26,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:06:26,545 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:06:26,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:06:26,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:26,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:26,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:26,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:26,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:26,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:06:26,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:26,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:26,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:26,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:26,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:26,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:26,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:26,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:26,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:26,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:26,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:26,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:06:26,706 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:06:26,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:06:26,735 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:06:26,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:26,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:06:26,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970942099] [2021-04-29 08:06:26,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:06:26,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-04-29 08:06:26,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560236776] [2021-04-29 08:06:26,740 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:06:26,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:06:26,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:06:26,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:06:26,742 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 61 [2021-04-29 08:06:26,742 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 364 transitions, 3538 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:26,742 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:06:26,742 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 61 [2021-04-29 08:06:26,742 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:06:28,203 INFO L129 PetriNetUnfolder]: 1029/1730 cut-off events. [2021-04-29 08:06:28,203 INFO L130 PetriNetUnfolder]: For 32690/32916 co-relation queries the response was YES. [2021-04-29 08:06:28,221 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13839 conditions, 1730 events. 1029/1730 cut-off events. For 32690/32916 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 8838 event pairs, 216 based on Foata normal form. 51/1780 useless extension candidates. Maximal degree in co-relation 13758. Up to 1437 conditions per place. [2021-04-29 08:06:28,236 INFO L132 encePairwiseOnDemand]: 46/61 looper letters, 324 selfloop transitions, 155 changer transitions 5/492 dead transitions. [2021-04-29 08:06:28,236 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 492 transitions, 6066 flow [2021-04-29 08:06:28,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-04-29 08:06:28,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-04-29 08:06:28,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 729 transitions. [2021-04-29 08:06:28,239 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4979508196721312 [2021-04-29 08:06:28,239 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 729 transitions. [2021-04-29 08:06:28,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 729 transitions. [2021-04-29 08:06:28,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:06:28,240 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 729 transitions. [2021-04-29 08:06:28,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 30.375) internal successors, (729), 24 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:28,245 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 61.0) internal successors, (1525), 25 states have internal predecessors, (1525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:28,246 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 61.0) internal successors, (1525), 25 states have internal predecessors, (1525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:28,246 INFO L185 Difference]: Start difference. First operand has 199 places, 364 transitions, 3538 flow. Second operand 24 states and 729 transitions. [2021-04-29 08:06:28,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 492 transitions, 6066 flow [2021-04-29 08:06:28,378 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 492 transitions, 5694 flow, removed 143 selfloop flow, removed 10 redundant places. [2021-04-29 08:06:28,387 INFO L241 Difference]: Finished difference. Result has 221 places, 461 transitions, 4848 flow [2021-04-29 08:06:28,388 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=3192, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=4848, PETRI_PLACES=221, PETRI_TRANSITIONS=461} [2021-04-29 08:06:28,388 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 169 predicate places. [2021-04-29 08:06:28,388 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:06:28,389 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 221 places, 461 transitions, 4848 flow [2021-04-29 08:06:28,389 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 221 places, 461 transitions, 4848 flow [2021-04-29 08:06:28,393 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 217 places, 461 transitions, 4848 flow [2021-04-29 08:06:28,557 INFO L129 PetriNetUnfolder]: 665/1251 cut-off events. [2021-04-29 08:06:28,558 INFO L130 PetriNetUnfolder]: For 15861/15966 co-relation queries the response was YES. [2021-04-29 08:06:28,572 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8573 conditions, 1251 events. 665/1251 cut-off events. For 15861/15966 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 7244 event pairs, 62 based on Foata normal form. 10/1218 useless extension candidates. Maximal degree in co-relation 8489. Up to 425 conditions per place. [2021-04-29 08:06:28,590 INFO L146 LiptonReduction]: Number of co-enabled transitions 702 [2021-04-29 08:06:28,713 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:06:28,714 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:06:28,714 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 326 [2021-04-29 08:06:28,715 INFO L480 AbstractCegarLoop]: Abstraction has has 217 places, 461 transitions, 4848 flow [2021-04-29 08:06:28,715 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:28,715 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:06:28,715 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:06:28,716 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-04-29 08:06:28,716 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:06:28,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:06:28,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1899060316, now seen corresponding path program 10 times [2021-04-29 08:06:28,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:06:28,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061512708] [2021-04-29 08:06:28,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:06:28,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:06:28,744 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:06:28,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:06:28,751 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:06:28,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:06:28,760 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:06:28,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:06:28,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:28,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:28,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:28,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:28,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:28,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:06:28,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:28,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:28,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:28,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:28,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:28,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:28,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:28,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:28,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:28,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:28,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:28,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:06:28,939 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:06:28,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:06:28,974 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:06:28,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:28,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:06:28,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061512708] [2021-04-29 08:06:28,980 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:06:28,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-04-29 08:06:28,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982932916] [2021-04-29 08:06:28,981 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:06:28,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:06:28,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:06:28,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:06:28,982 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 61 [2021-04-29 08:06:28,983 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 461 transitions, 4848 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:28,983 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:06:28,983 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 61 [2021-04-29 08:06:28,983 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:06:30,644 INFO L129 PetriNetUnfolder]: 1040/1761 cut-off events. [2021-04-29 08:06:30,644 INFO L130 PetriNetUnfolder]: For 36808/36955 co-relation queries the response was YES. [2021-04-29 08:06:30,659 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14690 conditions, 1761 events. 1040/1761 cut-off events. For 36808/36955 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 9112 event pairs, 232 based on Foata normal form. 43/1803 useless extension candidates. Maximal degree in co-relation 14596. Up to 1461 conditions per place. [2021-04-29 08:06:30,676 INFO L132 encePairwiseOnDemand]: 46/61 looper letters, 340 selfloop transitions, 172 changer transitions 4/524 dead transitions. [2021-04-29 08:06:30,676 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 524 transitions, 6892 flow [2021-04-29 08:06:30,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-04-29 08:06:30,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-04-29 08:06:30,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 761 transitions. [2021-04-29 08:06:30,681 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49901639344262294 [2021-04-29 08:06:30,681 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 761 transitions. [2021-04-29 08:06:30,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 761 transitions. [2021-04-29 08:06:30,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:06:30,682 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 761 transitions. [2021-04-29 08:06:30,684 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 30.44) internal successors, (761), 25 states have internal predecessors, (761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:30,688 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 61.0) internal successors, (1586), 26 states have internal predecessors, (1586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:30,688 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 61.0) internal successors, (1586), 26 states have internal predecessors, (1586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:30,689 INFO L185 Difference]: Start difference. First operand has 217 places, 461 transitions, 4848 flow. Second operand 25 states and 761 transitions. [2021-04-29 08:06:30,689 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 524 transitions, 6892 flow [2021-04-29 08:06:30,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 524 transitions, 6677 flow, removed 91 selfloop flow, removed 6 redundant places. [2021-04-29 08:06:30,800 INFO L241 Difference]: Finished difference. Result has 243 places, 499 transitions, 5661 flow [2021-04-29 08:06:30,801 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=4635, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=461, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=136, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=5661, PETRI_PLACES=243, PETRI_TRANSITIONS=499} [2021-04-29 08:06:30,801 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 191 predicate places. [2021-04-29 08:06:30,801 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:06:30,801 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 243 places, 499 transitions, 5661 flow [2021-04-29 08:06:30,801 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 243 places, 499 transitions, 5661 flow [2021-04-29 08:06:30,806 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 241 places, 499 transitions, 5661 flow [2021-04-29 08:06:30,955 INFO L129 PetriNetUnfolder]: 671/1283 cut-off events. [2021-04-29 08:06:30,955 INFO L130 PetriNetUnfolder]: For 18907/18968 co-relation queries the response was YES. [2021-04-29 08:06:30,967 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9303 conditions, 1283 events. 671/1283 cut-off events. For 18907/18968 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 7550 event pairs, 58 based on Foata normal form. 7/1253 useless extension candidates. Maximal degree in co-relation 9209. Up to 418 conditions per place. [2021-04-29 08:06:30,981 INFO L146 LiptonReduction]: Number of co-enabled transitions 712 [2021-04-29 08:06:31,046 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:06:31,046 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:06:31,046 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 245 [2021-04-29 08:06:31,047 INFO L480 AbstractCegarLoop]: Abstraction has has 241 places, 499 transitions, 5661 flow [2021-04-29 08:06:31,047 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:31,047 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:06:31,048 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:06:31,048 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-04-29 08:06:31,048 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:06:31,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:06:31,048 INFO L82 PathProgramCache]: Analyzing trace with hash -1724765756, now seen corresponding path program 11 times [2021-04-29 08:06:31,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:06:31,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054182829] [2021-04-29 08:06:31,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:06:31,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:06:31,079 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:06:31,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:06:31,085 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:06:31,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:06:31,094 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:06:31,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:06:31,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:31,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:31,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:31,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:31,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:31,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:06:31,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:31,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:31,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:31,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:31,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:31,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:31,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:31,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:31,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:31,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:31,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:31,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:06:31,251 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:06:31,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:06:31,278 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:06:31,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:31,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:06:31,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054182829] [2021-04-29 08:06:31,282 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:06:31,282 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-04-29 08:06:31,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221492489] [2021-04-29 08:06:31,283 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:06:31,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:06:31,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:06:31,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:06:31,284 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 61 [2021-04-29 08:06:31,285 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 499 transitions, 5661 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:31,285 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:06:31,285 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 61 [2021-04-29 08:06:31,285 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:06:32,732 INFO L129 PetriNetUnfolder]: 1040/1782 cut-off events. [2021-04-29 08:06:32,732 INFO L130 PetriNetUnfolder]: For 41867/41951 co-relation queries the response was YES. [2021-04-29 08:06:32,746 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15425 conditions, 1782 events. 1040/1782 cut-off events. For 41867/41951 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 9396 event pairs, 228 based on Foata normal form. 27/1808 useless extension candidates. Maximal degree in co-relation 15320. Up to 1474 conditions per place. [2021-04-29 08:06:32,760 INFO L132 encePairwiseOnDemand]: 46/61 looper letters, 353 selfloop transitions, 170 changer transitions 2/533 dead transitions. [2021-04-29 08:06:32,760 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 533 transitions, 7294 flow [2021-04-29 08:06:32,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-04-29 08:06:32,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-04-29 08:06:32,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 641 transitions. [2021-04-29 08:06:32,763 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5003903200624512 [2021-04-29 08:06:32,763 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 641 transitions. [2021-04-29 08:06:32,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 641 transitions. [2021-04-29 08:06:32,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:06:32,764 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 641 transitions. [2021-04-29 08:06:32,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 30.523809523809526) internal successors, (641), 21 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:32,768 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 61.0) internal successors, (1342), 22 states have internal predecessors, (1342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:32,768 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 61.0) internal successors, (1342), 22 states have internal predecessors, (1342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:32,769 INFO L185 Difference]: Start difference. First operand has 241 places, 499 transitions, 5661 flow. Second operand 21 states and 641 transitions. [2021-04-29 08:06:32,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 533 transitions, 7294 flow [2021-04-29 08:06:32,952 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 533 transitions, 6893 flow, removed 122 selfloop flow, removed 10 redundant places. [2021-04-29 08:06:32,966 INFO L241 Difference]: Finished difference. Result has 256 places, 507 transitions, 5791 flow [2021-04-29 08:06:32,967 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=5262, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=499, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=163, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=334, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=5791, PETRI_PLACES=256, PETRI_TRANSITIONS=507} [2021-04-29 08:06:32,967 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 204 predicate places. [2021-04-29 08:06:32,967 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:06:32,967 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 256 places, 507 transitions, 5791 flow [2021-04-29 08:06:32,968 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 256 places, 507 transitions, 5791 flow [2021-04-29 08:06:32,973 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 254 places, 507 transitions, 5791 flow [2021-04-29 08:06:33,196 INFO L129 PetriNetUnfolder]: 674/1301 cut-off events. [2021-04-29 08:06:33,196 INFO L130 PetriNetUnfolder]: For 21383/21462 co-relation queries the response was YES. [2021-04-29 08:06:33,213 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9658 conditions, 1301 events. 674/1301 cut-off events. For 21383/21462 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 7746 event pairs, 54 based on Foata normal form. 11/1284 useless extension candidates. Maximal degree in co-relation 9557. Up to 405 conditions per place. [2021-04-29 08:06:33,226 INFO L146 LiptonReduction]: Number of co-enabled transitions 718 [2021-04-29 08:06:33,287 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:06:33,287 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:06:33,288 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 321 [2021-04-29 08:06:33,288 INFO L480 AbstractCegarLoop]: Abstraction has has 254 places, 507 transitions, 5791 flow [2021-04-29 08:06:33,289 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:33,289 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:06:33,289 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:06:33,289 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-04-29 08:06:33,289 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:06:33,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:06:33,290 INFO L82 PathProgramCache]: Analyzing trace with hash 662490052, now seen corresponding path program 12 times [2021-04-29 08:06:33,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:06:33,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263880109] [2021-04-29 08:06:33,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:06:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:06:33,332 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:06:33,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:06:33,338 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:06:33,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:06:33,353 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:06:33,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:06:33,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:33,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:33,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:33,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:33,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:33,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:06:33,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:33,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:33,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:33,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:33,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:33,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:33,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:33,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:33,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:33,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:33,510 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-04-29 08:06:33,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:06:33,521 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:06:33,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:06:33,551 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:06:33,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:33,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:06:33,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263880109] [2021-04-29 08:06:33,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:06:33,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:06:33,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141803743] [2021-04-29 08:06:33,556 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:06:33,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:06:33,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:06:33,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:06:33,558 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 61 [2021-04-29 08:06:33,559 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 507 transitions, 5791 flow. Second operand has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:33,559 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:06:33,559 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 61 [2021-04-29 08:06:33,559 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:06:35,109 INFO L129 PetriNetUnfolder]: 1042/1784 cut-off events. [2021-04-29 08:06:35,110 INFO L130 PetriNetUnfolder]: For 46761/47012 co-relation queries the response was YES. [2021-04-29 08:06:35,131 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15922 conditions, 1784 events. 1042/1784 cut-off events. For 46761/47012 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 9395 event pairs, 234 based on Foata normal form. 59/1842 useless extension candidates. Maximal degree in co-relation 15812. Up to 1429 conditions per place. [2021-04-29 08:06:35,146 INFO L132 encePairwiseOnDemand]: 46/61 looper letters, 343 selfloop transitions, 183 changer transitions 3/537 dead transitions. [2021-04-29 08:06:35,146 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 537 transitions, 7396 flow [2021-04-29 08:06:35,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-04-29 08:06:35,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-04-29 08:06:35,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 663 transitions. [2021-04-29 08:06:35,149 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5175644028103045 [2021-04-29 08:06:35,149 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 663 transitions. [2021-04-29 08:06:35,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 663 transitions. [2021-04-29 08:06:35,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:06:35,150 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 663 transitions. [2021-04-29 08:06:35,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 31.571428571428573) internal successors, (663), 21 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:35,154 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 61.0) internal successors, (1342), 22 states have internal predecessors, (1342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:35,155 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 61.0) internal successors, (1342), 22 states have internal predecessors, (1342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:35,155 INFO L185 Difference]: Start difference. First operand has 254 places, 507 transitions, 5791 flow. Second operand 21 states and 663 transitions. [2021-04-29 08:06:35,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 274 places, 537 transitions, 7396 flow [2021-04-29 08:06:35,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 537 transitions, 7039 flow, removed 74 selfloop flow, removed 14 redundant places. [2021-04-29 08:06:35,407 INFO L241 Difference]: Finished difference. Result has 264 places, 515 transitions, 5984 flow [2021-04-29 08:06:35,408 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=5434, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=507, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=175, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=5984, PETRI_PLACES=264, PETRI_TRANSITIONS=515} [2021-04-29 08:06:35,408 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 212 predicate places. [2021-04-29 08:06:35,408 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:06:35,408 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 264 places, 515 transitions, 5984 flow [2021-04-29 08:06:35,409 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 264 places, 515 transitions, 5984 flow [2021-04-29 08:06:35,414 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 263 places, 515 transitions, 5984 flow [2021-04-29 08:06:35,577 INFO L129 PetriNetUnfolder]: 701/1333 cut-off events. [2021-04-29 08:06:35,577 INFO L130 PetriNetUnfolder]: For 22854/22924 co-relation queries the response was YES. [2021-04-29 08:06:35,590 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10257 conditions, 1333 events. 701/1333 cut-off events. For 22854/22924 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 7918 event pairs, 60 based on Foata normal form. 13/1311 useless extension candidates. Maximal degree in co-relation 10038. Up to 428 conditions per place. [2021-04-29 08:06:35,603 INFO L146 LiptonReduction]: Number of co-enabled transitions 720 [2021-04-29 08:06:35,665 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:06:35,665 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:06:35,665 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 257 [2021-04-29 08:06:35,666 INFO L480 AbstractCegarLoop]: Abstraction has has 263 places, 515 transitions, 5984 flow [2021-04-29 08:06:35,667 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:35,667 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:06:35,667 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:06:35,667 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-04-29 08:06:35,667 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:06:35,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:06:35,668 INFO L82 PathProgramCache]: Analyzing trace with hash -554919622, now seen corresponding path program 13 times [2021-04-29 08:06:35,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:06:35,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611627555] [2021-04-29 08:06:35,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:06:35,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:06:35,694 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:06:35,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:06:35,699 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:06:35,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:06:35,708 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:06:35,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:06:35,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:35,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:35,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:35,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:35,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:35,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:06:35,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:35,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:35,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:35,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:35,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:35,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:35,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:35,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:35,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:35,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:35,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:35,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:06:35,899 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:06:35,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:06:35,931 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:06:35,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:35,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:06:35,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611627555] [2021-04-29 08:06:35,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:06:35,936 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-04-29 08:06:35,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757984347] [2021-04-29 08:06:35,936 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:06:35,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:06:35,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:06:35,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:06:35,938 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 61 [2021-04-29 08:06:35,939 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 515 transitions, 5984 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:35,939 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:06:35,939 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 61 [2021-04-29 08:06:35,939 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:06:37,474 INFO L129 PetriNetUnfolder]: 1044/1796 cut-off events. [2021-04-29 08:06:37,475 INFO L130 PetriNetUnfolder]: For 50125/50264 co-relation queries the response was YES. [2021-04-29 08:06:37,489 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16400 conditions, 1796 events. 1044/1796 cut-off events. For 50125/50264 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 9543 event pairs, 222 based on Foata normal form. 43/1838 useless extension candidates. Maximal degree in co-relation 16167. Up to 1488 conditions per place. [2021-04-29 08:06:37,504 INFO L132 encePairwiseOnDemand]: 46/61 looper letters, 354 selfloop transitions, 170 changer transitions 6/538 dead transitions. [2021-04-29 08:06:37,504 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 538 transitions, 7575 flow [2021-04-29 08:06:37,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-04-29 08:06:37,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-04-29 08:06:37,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 614 transitions. [2021-04-29 08:06:37,507 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5032786885245901 [2021-04-29 08:06:37,507 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 614 transitions. [2021-04-29 08:06:37,507 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 614 transitions. [2021-04-29 08:06:37,507 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:06:37,508 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 614 transitions. [2021-04-29 08:06:37,509 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 30.7) internal successors, (614), 20 states have internal predecessors, (614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:37,511 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 61.0) internal successors, (1281), 21 states have internal predecessors, (1281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:37,512 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 61.0) internal successors, (1281), 21 states have internal predecessors, (1281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:37,512 INFO L185 Difference]: Start difference. First operand has 263 places, 515 transitions, 5984 flow. Second operand 20 states and 614 transitions. [2021-04-29 08:06:37,512 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 538 transitions, 7575 flow [2021-04-29 08:06:37,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 266 places, 538 transitions, 7140 flow, removed 47 selfloop flow, removed 16 redundant places. [2021-04-29 08:06:37,735 INFO L241 Difference]: Finished difference. Result has 272 places, 519 transitions, 6000 flow [2021-04-29 08:06:37,736 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=5557, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=515, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=166, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=6000, PETRI_PLACES=272, PETRI_TRANSITIONS=519} [2021-04-29 08:06:37,736 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 220 predicate places. [2021-04-29 08:06:37,736 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:06:37,736 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 272 places, 519 transitions, 6000 flow [2021-04-29 08:06:37,737 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 272 places, 519 transitions, 6000 flow [2021-04-29 08:06:37,742 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 268 places, 519 transitions, 6000 flow [2021-04-29 08:06:37,959 INFO L129 PetriNetUnfolder]: 689/1323 cut-off events. [2021-04-29 08:06:37,959 INFO L130 PetriNetUnfolder]: For 24245/24327 co-relation queries the response was YES. [2021-04-29 08:06:37,970 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10166 conditions, 1323 events. 689/1323 cut-off events. For 24245/24327 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 7854 event pairs, 64 based on Foata normal form. 12/1296 useless extension candidates. Maximal degree in co-relation 10060. Up to 410 conditions per place. [2021-04-29 08:06:37,984 INFO L146 LiptonReduction]: Number of co-enabled transitions 722 [2021-04-29 08:06:38,072 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:06:38,073 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:06:38,073 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 337 [2021-04-29 08:06:38,073 INFO L480 AbstractCegarLoop]: Abstraction has has 268 places, 519 transitions, 6000 flow [2021-04-29 08:06:38,074 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:38,074 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:06:38,074 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:06:38,074 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-04-29 08:06:38,074 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:06:38,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:06:38,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1418728772, now seen corresponding path program 14 times [2021-04-29 08:06:38,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:06:38,075 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009708065] [2021-04-29 08:06:38,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:06:38,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:06:38,101 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:06:38,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:06:38,108 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:06:38,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:06:38,118 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:06:38,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:06:38,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:38,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:38,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:38,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:38,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:38,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:06:38,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:38,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:38,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:38,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:38,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:38,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:38,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:38,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:38,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:38,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:38,251 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-04-29 08:06:38,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:06:38,276 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:06:38,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:06:38,302 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:06:38,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:38,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:06:38,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009708065] [2021-04-29 08:06:38,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:06:38,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-04-29 08:06:38,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607909617] [2021-04-29 08:06:38,310 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:06:38,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:06:38,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:06:38,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:06:38,313 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 61 [2021-04-29 08:06:38,313 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 519 transitions, 6000 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:38,313 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:06:38,313 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 61 [2021-04-29 08:06:38,313 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:06:40,197 INFO L129 PetriNetUnfolder]: 1093/1877 cut-off events. [2021-04-29 08:06:40,197 INFO L130 PetriNetUnfolder]: For 58441/58588 co-relation queries the response was YES. [2021-04-29 08:06:40,215 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17440 conditions, 1877 events. 1093/1877 cut-off events. For 58441/58588 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 10025 event pairs, 215 based on Foata normal form. 43/1919 useless extension candidates. Maximal degree in co-relation 17330. Up to 1333 conditions per place. [2021-04-29 08:06:40,225 INFO L132 encePairwiseOnDemand]: 46/61 looper letters, 281 selfloop transitions, 299 changer transitions 2/590 dead transitions. [2021-04-29 08:06:40,226 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 590 transitions, 8537 flow [2021-04-29 08:06:40,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-04-29 08:06:40,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-04-29 08:06:40,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 692 transitions. [2021-04-29 08:06:40,232 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5156482861400894 [2021-04-29 08:06:40,233 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 692 transitions. [2021-04-29 08:06:40,233 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 692 transitions. [2021-04-29 08:06:40,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:06:40,233 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 692 transitions. [2021-04-29 08:06:40,235 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 31.454545454545453) internal successors, (692), 22 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:40,237 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 61.0) internal successors, (1403), 23 states have internal predecessors, (1403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:40,238 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 61.0) internal successors, (1403), 23 states have internal predecessors, (1403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:40,238 INFO L185 Difference]: Start difference. First operand has 268 places, 519 transitions, 6000 flow. Second operand 22 states and 692 transitions. [2021-04-29 08:06:40,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 590 transitions, 8537 flow [2021-04-29 08:06:40,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 590 transitions, 8105 flow, removed 47 selfloop flow, removed 17 redundant places. [2021-04-29 08:06:40,476 INFO L241 Difference]: Finished difference. Result has 277 places, 558 transitions, 6855 flow [2021-04-29 08:06:40,477 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=5584, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=519, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=262, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=254, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=6855, PETRI_PLACES=277, PETRI_TRANSITIONS=558} [2021-04-29 08:06:40,477 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 225 predicate places. [2021-04-29 08:06:40,477 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:06:40,477 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 277 places, 558 transitions, 6855 flow [2021-04-29 08:06:40,477 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 277 places, 558 transitions, 6855 flow [2021-04-29 08:06:40,482 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 276 places, 558 transitions, 6855 flow [2021-04-29 08:06:40,683 INFO L129 PetriNetUnfolder]: 723/1381 cut-off events. [2021-04-29 08:06:40,683 INFO L130 PetriNetUnfolder]: For 26956/27028 co-relation queries the response was YES. [2021-04-29 08:06:40,695 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11125 conditions, 1381 events. 723/1381 cut-off events. For 26956/27028 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 8345 event pairs, 84 based on Foata normal form. 14/1336 useless extension candidates. Maximal degree in co-relation 10907. Up to 465 conditions per place. [2021-04-29 08:06:40,708 INFO L146 LiptonReduction]: Number of co-enabled transitions 722 [2021-04-29 08:06:40,789 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:06:40,789 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:06:40,789 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 312 [2021-04-29 08:06:40,791 INFO L480 AbstractCegarLoop]: Abstraction has has 276 places, 558 transitions, 6855 flow [2021-04-29 08:06:40,791 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:40,791 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:06:40,791 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:06:40,791 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-04-29 08:06:40,792 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:06:40,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:06:40,792 INFO L82 PathProgramCache]: Analyzing trace with hash -588486730, now seen corresponding path program 15 times [2021-04-29 08:06:40,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:06:40,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628613984] [2021-04-29 08:06:40,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:06:40,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:06:40,816 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:06:40,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:06:40,822 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:06:40,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:06:40,831 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:06:40,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:06:40,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:40,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:40,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:40,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:40,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:40,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:06:40,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:40,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:40,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:40,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:40,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:40,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:40,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:40,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:40,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:40,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:40,977 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-04-29 08:06:40,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:06:41,004 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:06:41,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:06:41,033 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:06:41,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:41,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:06:41,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628613984] [2021-04-29 08:06:41,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:06:41,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-04-29 08:06:41,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003767374] [2021-04-29 08:06:41,038 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:06:41,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:06:41,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:06:41,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:06:41,040 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 61 [2021-04-29 08:06:41,041 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 558 transitions, 6855 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:41,041 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:06:41,041 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 61 [2021-04-29 08:06:41,041 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:06:42,926 INFO L129 PetriNetUnfolder]: 1132/1948 cut-off events. [2021-04-29 08:06:42,926 INFO L130 PetriNetUnfolder]: For 70137/70221 co-relation queries the response was YES. [2021-04-29 08:06:42,944 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19228 conditions, 1948 events. 1132/1948 cut-off events. For 70137/70221 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 10557 event pairs, 214 based on Foata normal form. 27/1974 useless extension candidates. Maximal degree in co-relation 18990. Up to 1464 conditions per place. [2021-04-29 08:06:42,954 INFO L132 encePairwiseOnDemand]: 46/61 looper letters, 365 selfloop transitions, 259 changer transitions 2/634 dead transitions. [2021-04-29 08:06:42,954 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 634 transitions, 9870 flow [2021-04-29 08:06:42,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-04-29 08:06:42,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-04-29 08:06:42,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 773 transitions. [2021-04-29 08:06:42,957 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5068852459016393 [2021-04-29 08:06:42,957 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 773 transitions. [2021-04-29 08:06:42,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 773 transitions. [2021-04-29 08:06:42,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:06:42,957 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 773 transitions. [2021-04-29 08:06:42,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 30.92) internal successors, (773), 25 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:42,962 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 61.0) internal successors, (1586), 26 states have internal predecessors, (1586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:42,962 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 61.0) internal successors, (1586), 26 states have internal predecessors, (1586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:42,963 INFO L185 Difference]: Start difference. First operand has 276 places, 558 transitions, 6855 flow. Second operand 25 states and 773 transitions. [2021-04-29 08:06:42,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 634 transitions, 9870 flow [2021-04-29 08:06:43,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 634 transitions, 9484 flow, removed 79 selfloop flow, removed 12 redundant places. [2021-04-29 08:06:43,128 INFO L241 Difference]: Finished difference. Result has 297 places, 601 transitions, 7956 flow [2021-04-29 08:06:43,129 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=6509, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=558, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=219, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=319, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=7956, PETRI_PLACES=297, PETRI_TRANSITIONS=601} [2021-04-29 08:06:43,129 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 245 predicate places. [2021-04-29 08:06:43,129 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:06:43,129 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 297 places, 601 transitions, 7956 flow [2021-04-29 08:06:43,130 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 297 places, 601 transitions, 7956 flow [2021-04-29 08:06:43,136 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 295 places, 601 transitions, 7956 flow [2021-04-29 08:06:43,352 INFO L129 PetriNetUnfolder]: 755/1463 cut-off events. [2021-04-29 08:06:43,352 INFO L130 PetriNetUnfolder]: For 33165/33257 co-relation queries the response was YES. [2021-04-29 08:06:43,366 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12554 conditions, 1463 events. 755/1463 cut-off events. For 33165/33257 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 9011 event pairs, 73 based on Foata normal form. 13/1436 useless extension candidates. Maximal degree in co-relation 12437. Up to 480 conditions per place. [2021-04-29 08:06:43,383 INFO L146 LiptonReduction]: Number of co-enabled transitions 752 [2021-04-29 08:06:43,517 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:06:43,517 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:06:43,518 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 389 [2021-04-29 08:06:43,518 INFO L480 AbstractCegarLoop]: Abstraction has has 295 places, 601 transitions, 7956 flow [2021-04-29 08:06:43,519 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:43,519 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:06:43,519 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:06:43,519 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-04-29 08:06:43,519 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:06:43,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:06:43,520 INFO L82 PathProgramCache]: Analyzing trace with hash -606707068, now seen corresponding path program 16 times [2021-04-29 08:06:43,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:06:43,520 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293847930] [2021-04-29 08:06:43,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:06:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:06:43,546 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:06:43,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:06:43,553 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:06:43,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:06:43,564 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:06:43,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:06:43,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:43,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:43,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:43,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:43,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:43,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:06:43,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:43,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:43,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:43,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:43,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:43,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:43,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:43,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:43,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:43,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:43,702 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-04-29 08:06:43,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:06:43,730 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:06:43,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:06:43,756 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:06:43,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:43,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:06:43,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293847930] [2021-04-29 08:06:43,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:06:43,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-04-29 08:06:43,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550467261] [2021-04-29 08:06:43,761 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:06:43,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:06:43,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:06:43,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:06:43,763 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 61 [2021-04-29 08:06:43,763 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 601 transitions, 7956 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:43,763 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:06:43,763 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 61 [2021-04-29 08:06:43,764 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:06:45,631 INFO L129 PetriNetUnfolder]: 1183/2042 cut-off events. [2021-04-29 08:06:45,631 INFO L130 PetriNetUnfolder]: For 81279/81367 co-relation queries the response was YES. [2021-04-29 08:06:45,650 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21367 conditions, 2042 events. 1183/2042 cut-off events. For 81279/81367 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 11295 event pairs, 197 based on Foata normal form. 27/2068 useless extension candidates. Maximal degree in co-relation 21241. Up to 1495 conditions per place. [2021-04-29 08:06:45,661 INFO L132 encePairwiseOnDemand]: 46/61 looper letters, 342 selfloop transitions, 308 changer transitions 2/660 dead transitions. [2021-04-29 08:06:45,661 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 660 transitions, 10818 flow [2021-04-29 08:06:45,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-04-29 08:06:45,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-04-29 08:06:45,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 697 transitions. [2021-04-29 08:06:45,663 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5193740685543964 [2021-04-29 08:06:45,663 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 697 transitions. [2021-04-29 08:06:45,663 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 697 transitions. [2021-04-29 08:06:45,664 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:06:45,664 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 697 transitions. [2021-04-29 08:06:45,666 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 31.681818181818183) internal successors, (697), 22 states have internal predecessors, (697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:45,668 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 61.0) internal successors, (1403), 23 states have internal predecessors, (1403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:45,668 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 61.0) internal successors, (1403), 23 states have internal predecessors, (1403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:45,668 INFO L185 Difference]: Start difference. First operand has 295 places, 601 transitions, 7956 flow. Second operand 22 states and 697 transitions. [2021-04-29 08:06:45,669 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 660 transitions, 10818 flow [2021-04-29 08:06:45,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 660 transitions, 10354 flow, removed 200 selfloop flow, removed 9 redundant places. [2021-04-29 08:06:45,906 INFO L241 Difference]: Finished difference. Result has 313 places, 631 transitions, 8913 flow [2021-04-29 08:06:45,907 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=7624, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=601, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=284, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=8913, PETRI_PLACES=313, PETRI_TRANSITIONS=631} [2021-04-29 08:06:45,907 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 261 predicate places. [2021-04-29 08:06:45,907 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:06:45,907 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 313 places, 631 transitions, 8913 flow [2021-04-29 08:06:45,907 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 313 places, 631 transitions, 8913 flow [2021-04-29 08:06:45,912 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 312 places, 631 transitions, 8913 flow [2021-04-29 08:06:46,177 INFO L129 PetriNetUnfolder]: 819/1555 cut-off events. [2021-04-29 08:06:46,178 INFO L130 PetriNetUnfolder]: For 39076/39231 co-relation queries the response was YES. [2021-04-29 08:06:46,193 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14089 conditions, 1555 events. 819/1555 cut-off events. For 39076/39231 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 9587 event pairs, 86 based on Foata normal form. 17/1515 useless extension candidates. Maximal degree in co-relation 13852. Up to 531 conditions per place. [2021-04-29 08:06:46,210 INFO L146 LiptonReduction]: Number of co-enabled transitions 770 [2021-04-29 08:06:46,297 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:06:46,297 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:06:46,297 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 390 [2021-04-29 08:06:46,298 INFO L480 AbstractCegarLoop]: Abstraction has has 312 places, 631 transitions, 8913 flow [2021-04-29 08:06:46,298 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:46,298 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:06:46,299 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, 1] [2021-04-29 08:06:46,299 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-04-29 08:06:46,299 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:06:46,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:06:46,299 INFO L82 PathProgramCache]: Analyzing trace with hash 763809894, now seen corresponding path program 17 times [2021-04-29 08:06:46,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:06:46,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720177247] [2021-04-29 08:06:46,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:06:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:06:46,323 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:06:46,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:06:46,329 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:06:46,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:06:46,339 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:06:46,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:06:46,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:46,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:46,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:46,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:46,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:46,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:06:46,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:46,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:46,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:46,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:46,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:46,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:46,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:46,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:46,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:46,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:46,495 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-04-29 08:06:46,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:06:46,527 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:06:46,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:06:46,560 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:06:46,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:46,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:06:46,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720177247] [2021-04-29 08:06:46,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:06:46,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-04-29 08:06:46,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088322228] [2021-04-29 08:06:46,565 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:06:46,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:06:46,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:06:46,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:06:46,567 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 61 [2021-04-29 08:06:46,568 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 631 transitions, 8913 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:46,568 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:06:46,568 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 61 [2021-04-29 08:06:46,568 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:06:48,651 INFO L129 PetriNetUnfolder]: 1291/2210 cut-off events. [2021-04-29 08:06:48,651 INFO L130 PetriNetUnfolder]: For 100749/100896 co-relation queries the response was YES. [2021-04-29 08:06:48,686 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24357 conditions, 2210 events. 1291/2210 cut-off events. For 100749/100896 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 12349 event pairs, 238 based on Foata normal form. 43/2252 useless extension candidates. Maximal degree in co-relation 24101. Up to 1694 conditions per place. [2021-04-29 08:06:48,707 INFO L132 encePairwiseOnDemand]: 46/61 looper letters, 435 selfloop transitions, 279 changer transitions 2/724 dead transitions. [2021-04-29 08:06:48,707 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 335 places, 724 transitions, 12437 flow [2021-04-29 08:06:48,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-04-29 08:06:48,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-04-29 08:06:48,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 747 transitions. [2021-04-29 08:06:48,710 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5102459016393442 [2021-04-29 08:06:48,710 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 747 transitions. [2021-04-29 08:06:48,710 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 747 transitions. [2021-04-29 08:06:48,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:06:48,711 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 747 transitions. [2021-04-29 08:06:48,713 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 31.125) internal successors, (747), 24 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:48,715 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 61.0) internal successors, (1525), 25 states have internal predecessors, (1525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:48,716 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 61.0) internal successors, (1525), 25 states have internal predecessors, (1525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:48,716 INFO L185 Difference]: Start difference. First operand has 312 places, 631 transitions, 8913 flow. Second operand 24 states and 747 transitions. [2021-04-29 08:06:48,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 335 places, 724 transitions, 12437 flow [2021-04-29 08:06:49,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 724 transitions, 11903 flow, removed 162 selfloop flow, removed 12 redundant places. [2021-04-29 08:06:49,049 INFO L241 Difference]: Finished difference. Result has 333 places, 689 transitions, 10099 flow [2021-04-29 08:06:49,049 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=8389, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=631, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=226, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=371, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=10099, PETRI_PLACES=333, PETRI_TRANSITIONS=689} [2021-04-29 08:06:49,050 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 281 predicate places. [2021-04-29 08:06:49,050 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:06:49,050 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 333 places, 689 transitions, 10099 flow [2021-04-29 08:06:49,050 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 333 places, 689 transitions, 10099 flow [2021-04-29 08:06:49,058 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 331 places, 689 transitions, 10099 flow [2021-04-29 08:06:49,344 INFO L129 PetriNetUnfolder]: 893/1680 cut-off events. [2021-04-29 08:06:49,344 INFO L130 PetriNetUnfolder]: For 46492/46776 co-relation queries the response was YES. [2021-04-29 08:06:49,362 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15954 conditions, 1680 events. 893/1680 cut-off events. For 46492/46776 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 10514 event pairs, 88 based on Foata normal form. 46/1657 useless extension candidates. Maximal degree in co-relation 15821. Up to 566 conditions per place. [2021-04-29 08:06:49,382 INFO L146 LiptonReduction]: Number of co-enabled transitions 814 [2021-04-29 08:06:49,495 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:06:49,495 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:06:49,495 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 445 [2021-04-29 08:06:49,496 INFO L480 AbstractCegarLoop]: Abstraction has has 331 places, 689 transitions, 10099 flow [2021-04-29 08:06:49,496 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:49,496 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:06:49,496 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:06:49,496 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-04-29 08:06:49,497 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:06:49,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:06:49,497 INFO L82 PathProgramCache]: Analyzing trace with hash -676416288, now seen corresponding path program 18 times [2021-04-29 08:06:49,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:06:49,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287679738] [2021-04-29 08:06:49,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:06:49,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:06:49,520 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:06:49,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:06:49,527 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:06:49,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:06:49,537 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:06:49,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:06:49,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:49,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:49,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:49,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:49,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:49,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:49,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:49,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:49,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:49,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:49,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:49,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:49,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:49,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:49,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:49,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:49,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:49,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:06:49,700 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:06:49,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:06:49,729 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:06:49,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:49,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:06:49,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287679738] [2021-04-29 08:06:49,734 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:06:49,734 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-04-29 08:06:49,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491712904] [2021-04-29 08:06:49,734 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:06:49,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:06:49,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:06:49,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:06:49,737 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 61 [2021-04-29 08:06:49,738 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 689 transitions, 10099 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:49,738 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:06:49,738 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 61 [2021-04-29 08:06:49,738 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:06:52,055 INFO L129 PetriNetUnfolder]: 1518/2557 cut-off events. [2021-04-29 08:06:52,055 INFO L130 PetriNetUnfolder]: For 132962/133050 co-relation queries the response was YES. [2021-04-29 08:06:52,082 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30172 conditions, 2557 events. 1518/2557 cut-off events. For 132962/133050 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 14465 event pairs, 303 based on Foata normal form. 27/2583 useless extension candidates. Maximal degree in co-relation 30030. Up to 2121 conditions per place. [2021-04-29 08:06:52,097 INFO L132 encePairwiseOnDemand]: 46/61 looper letters, 635 selfloop transitions, 182 changer transitions 6/831 dead transitions. [2021-04-29 08:06:52,097 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 831 transitions, 15475 flow [2021-04-29 08:06:52,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-04-29 08:06:52,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-04-29 08:06:52,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 859 transitions. [2021-04-29 08:06:52,099 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.502927400468384 [2021-04-29 08:06:52,099 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 859 transitions. [2021-04-29 08:06:52,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 859 transitions. [2021-04-29 08:06:52,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:06:52,100 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 859 transitions. [2021-04-29 08:06:52,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 30.678571428571427) internal successors, (859), 28 states have internal predecessors, (859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:52,114 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 61.0) internal successors, (1769), 29 states have internal predecessors, (1769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:52,115 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 61.0) internal successors, (1769), 29 states have internal predecessors, (1769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:52,115 INFO L185 Difference]: Start difference. First operand has 331 places, 689 transitions, 10099 flow. Second operand 28 states and 859 transitions. [2021-04-29 08:06:52,115 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 831 transitions, 15475 flow [2021-04-29 08:06:52,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 831 transitions, 15276 flow, removed 66 selfloop flow, removed 9 redundant places. [2021-04-29 08:06:52,585 INFO L241 Difference]: Finished difference. Result has 363 places, 794 transitions, 13106 flow [2021-04-29 08:06:52,586 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=9929, PETRI_DIFFERENCE_MINUEND_PLACES=322, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=689, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=83, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=598, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=13106, PETRI_PLACES=363, PETRI_TRANSITIONS=794} [2021-04-29 08:06:52,586 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 311 predicate places. [2021-04-29 08:06:52,586 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:06:52,587 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 363 places, 794 transitions, 13106 flow [2021-04-29 08:06:52,587 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 363 places, 794 transitions, 13106 flow [2021-04-29 08:06:52,594 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 359 places, 794 transitions, 13106 flow [2021-04-29 08:06:52,999 INFO L129 PetriNetUnfolder]: 1087/2020 cut-off events. [2021-04-29 08:06:52,999 INFO L130 PetriNetUnfolder]: For 91673/91919 co-relation queries the response was YES. [2021-04-29 08:06:53,027 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22096 conditions, 2020 events. 1087/2020 cut-off events. For 91673/91919 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 12865 event pairs, 88 based on Foata normal form. 28/1996 useless extension candidates. Maximal degree in co-relation 21950. Up to 778 conditions per place. [2021-04-29 08:06:53,055 INFO L146 LiptonReduction]: Number of co-enabled transitions 940 [2021-04-29 08:06:53,201 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:06:53,201 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:06:53,201 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 615 [2021-04-29 08:06:53,202 INFO L480 AbstractCegarLoop]: Abstraction has has 359 places, 794 transitions, 13106 flow [2021-04-29 08:06:53,202 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:53,202 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:06:53,202 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:06:53,202 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-04-29 08:06:53,203 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:06:53,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:06:53,203 INFO L82 PathProgramCache]: Analyzing trace with hash 985741678, now seen corresponding path program 19 times [2021-04-29 08:06:53,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:06:53,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957235501] [2021-04-29 08:06:53,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:06:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:06:53,226 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:06:53,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:06:53,233 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:06:53,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:06:53,243 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:06:53,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:06:53,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:53,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:53,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:53,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:53,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:53,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:06:53,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:53,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:53,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:53,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:53,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:53,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:53,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:53,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:53,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:53,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:53,409 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-04-29 08:06:53,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:06:53,419 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:06:53,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:06:53,452 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:06:53,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:53,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:06:53,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957235501] [2021-04-29 08:06:53,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:06:53,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:06:53,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912162285] [2021-04-29 08:06:53,458 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:06:53,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:06:53,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:06:53,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:06:53,461 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 61 [2021-04-29 08:06:53,461 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 794 transitions, 13106 flow. Second operand has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:53,461 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:06:53,461 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 61 [2021-04-29 08:06:53,462 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:06:55,763 INFO L129 PetriNetUnfolder]: 1719/2866 cut-off events. [2021-04-29 08:06:55,763 INFO L130 PetriNetUnfolder]: For 193828/193916 co-relation queries the response was YES. [2021-04-29 08:06:55,800 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37148 conditions, 2866 events. 1719/2866 cut-off events. For 193828/193916 co-relation queries the response was YES. Maximal size of possible extension queue 237. Compared 16353 event pairs, 346 based on Foata normal form. 27/2892 useless extension candidates. Maximal degree in co-relation 36993. Up to 2369 conditions per place. [2021-04-29 08:06:55,819 INFO L132 encePairwiseOnDemand]: 46/61 looper letters, 664 selfloop transitions, 280 changer transitions 2/954 dead transitions. [2021-04-29 08:06:55,819 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 954 transitions, 19256 flow [2021-04-29 08:06:55,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-04-29 08:06:55,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-04-29 08:06:55,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 708 transitions. [2021-04-29 08:06:55,821 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5046329294369208 [2021-04-29 08:06:55,821 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 708 transitions. [2021-04-29 08:06:55,821 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 708 transitions. [2021-04-29 08:06:55,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:06:55,821 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 708 transitions. [2021-04-29 08:06:55,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 30.782608695652176) internal successors, (708), 23 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:55,825 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 61.0) internal successors, (1464), 24 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:55,826 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 61.0) internal successors, (1464), 24 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:55,826 INFO L185 Difference]: Start difference. First operand has 359 places, 794 transitions, 13106 flow. Second operand 23 states and 708 transitions. [2021-04-29 08:06:55,826 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 954 transitions, 19256 flow [2021-04-29 08:06:56,440 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 954 transitions, 17698 flow, removed 771 selfloop flow, removed 4 redundant places. [2021-04-29 08:06:56,463 INFO L241 Difference]: Finished difference. Result has 386 places, 906 transitions, 15290 flow [2021-04-29 08:06:56,464 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=11972, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=794, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=179, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=602, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=15290, PETRI_PLACES=386, PETRI_TRANSITIONS=906} [2021-04-29 08:06:56,464 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 334 predicate places. [2021-04-29 08:06:56,464 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:06:56,464 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 386 places, 906 transitions, 15290 flow [2021-04-29 08:06:56,465 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 386 places, 906 transitions, 15290 flow [2021-04-29 08:06:56,476 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 384 places, 906 transitions, 15290 flow [2021-04-29 08:06:56,918 INFO L129 PetriNetUnfolder]: 1263/2295 cut-off events. [2021-04-29 08:06:56,918 INFO L130 PetriNetUnfolder]: For 112385/112943 co-relation queries the response was YES. [2021-04-29 08:06:56,954 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26038 conditions, 2295 events. 1263/2295 cut-off events. For 112385/112943 co-relation queries the response was YES. Maximal size of possible extension queue 238. Compared 14643 event pairs, 120 based on Foata normal form. 30/2257 useless extension candidates. Maximal degree in co-relation 25883. Up to 870 conditions per place. [2021-04-29 08:06:56,985 INFO L146 LiptonReduction]: Number of co-enabled transitions 994 [2021-04-29 08:06:57,137 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:06:57,137 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:06:57,138 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 674 [2021-04-29 08:06:57,138 INFO L480 AbstractCegarLoop]: Abstraction has has 384 places, 906 transitions, 15290 flow [2021-04-29 08:06:57,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:57,139 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:06:57,139 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:06:57,139 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-04-29 08:06:57,139 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:06:57,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:06:57,139 INFO L82 PathProgramCache]: Analyzing trace with hash 409858954, now seen corresponding path program 20 times [2021-04-29 08:06:57,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:06:57,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909138724] [2021-04-29 08:06:57,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:06:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:06:57,173 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:06:57,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:06:57,180 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:06:57,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:06:57,189 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:06:57,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:06:57,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:57,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:57,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:57,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:57,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:57,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:06:57,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:57,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:57,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:57,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:57,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:57,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:06:57,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:06:57,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:57,293 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-04-29 08:06:57,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:06:57,321 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:06:57,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:06:57,349 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:06:57,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:06:57,379 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:06:57,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:06:57,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:06:57,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909138724] [2021-04-29 08:06:57,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:06:57,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:06:57,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320668516] [2021-04-29 08:06:57,386 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:06:57,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:06:57,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:06:57,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:06:57,387 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 61 [2021-04-29 08:06:57,388 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 906 transitions, 15290 flow. Second operand has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:06:57,388 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:06:57,388 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 61 [2021-04-29 08:06:57,388 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:07:00,388 INFO L129 PetriNetUnfolder]: 1917/3204 cut-off events. [2021-04-29 08:07:00,388 INFO L130 PetriNetUnfolder]: For 218165/218336 co-relation queries the response was YES. [2021-04-29 08:07:00,429 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41920 conditions, 3204 events. 1917/3204 cut-off events. For 218165/218336 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 18813 event pairs, 378 based on Foata normal form. 48/3251 useless extension candidates. Maximal degree in co-relation 41753. Up to 2617 conditions per place. [2021-04-29 08:07:00,450 INFO L132 encePairwiseOnDemand]: 46/61 looper letters, 699 selfloop transitions, 440 changer transitions 3/1150 dead transitions. [2021-04-29 08:07:00,450 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 415 places, 1150 transitions, 23821 flow [2021-04-29 08:07:00,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-04-29 08:07:00,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2021-04-29 08:07:00,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 992 transitions. [2021-04-29 08:07:00,452 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5081967213114754 [2021-04-29 08:07:00,452 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 992 transitions. [2021-04-29 08:07:00,452 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 992 transitions. [2021-04-29 08:07:00,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:07:00,581 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 992 transitions. [2021-04-29 08:07:00,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 31.0) internal successors, (992), 32 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:00,589 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 61.0) internal successors, (2013), 33 states have internal predecessors, (2013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:00,590 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 61.0) internal successors, (2013), 33 states have internal predecessors, (2013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:00,594 INFO L185 Difference]: Start difference. First operand has 384 places, 906 transitions, 15290 flow. Second operand 32 states and 992 transitions. [2021-04-29 08:07:00,594 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 415 places, 1150 transitions, 23821 flow [2021-04-29 08:07:01,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 410 places, 1150 transitions, 22689 flow, removed 551 selfloop flow, removed 5 redundant places. [2021-04-29 08:07:01,528 INFO L241 Difference]: Finished difference. Result has 420 places, 1116 transitions, 20745 flow [2021-04-29 08:07:01,529 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=14578, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=906, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=248, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=621, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=20745, PETRI_PLACES=420, PETRI_TRANSITIONS=1116} [2021-04-29 08:07:01,530 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 368 predicate places. [2021-04-29 08:07:01,530 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:07:01,530 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 420 places, 1116 transitions, 20745 flow [2021-04-29 08:07:01,530 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 420 places, 1116 transitions, 20745 flow [2021-04-29 08:07:01,548 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 420 places, 1116 transitions, 20745 flow [2021-04-29 08:07:02,112 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([123] L63-->thread4EXIT: Formula: (= v_t22_7 v_x2_11) InVars {t22=v_t22_7} OutVars{x2=v_x2_11, t22=v_t22_7} AuxVars[] AssignedVars[x2][779], [Black: 743#(and (= y2 y1) (<= t12 (+ y1 1)) (= x2 x1) (<= (+ y1 1) t12)), Black: 763#(and (<= (+ y1 1) y2) (<= t12 (+ y1 1)) (<= t21 x2) (<= x1 x2) (<= y2 (+ y1 1)) (<= x2 x1) (<= x2 t21) (<= (+ y1 1) t12)), Black: 749#(and (<= t22 (+ x1 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= (+ y1 1) t12)), 772#true, 8#L73true, Black: 1010#(and (= y2 y1) (<= t12 (+ y1 1)) (= x2 x1) (<= (+ y1 1) t12)), Black: 995#(and (= y2 y1) (= x2 x1)), Black: 1028#(and (<= y2 t11) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= t11 y2)), Black: 999#(and (<= t12 (+ y1 1)) (<= x1 x2) (<= x2 x1) (<= (+ y1 1) t12)), Black: 1000#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= (+ y1 1) t12)), Black: 496#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= t11 y2)), 16#L30true, Black: 1018#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= (+ y1 1) t12)), Black: 1002#(and (<= (+ y1 1) y2) (<= x1 (+ x2 1)) (<= y2 (+ y1 1)) (<= (+ x2 1) x1)), Black: 514#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= (+ y1 1) t12)), Black: 516#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= t11 y2) (<= (+ y1 1) t12)), Black: 1020#(and (<= t21 (+ x2 1)) (<= (+ y1 1) y2) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= x1 (+ x2 1)) (<= y2 (+ y1 1)) (<= (+ x2 1) x1) (<= (+ y1 1) t12)), Black: 504#(and (= y2 y1) (<= t12 (+ y1 1)) (= x2 x1) (<= (+ y1 1) t12)), 1043#true, Black: 488#(and (= y2 y1) (= x2 x1)), Black: 508#(and (<= t22 (+ x1 1)) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= x1 x2) (<= x2 x1) (<= (+ y1 1) t12)), Black: 492#(and (<= t12 (+ y1 1)) (<= x1 x2) (<= x2 x1) (<= (+ y1 1) t12)), Black: 493#(and (<= t22 (+ x1 1)) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= (+ y1 1) t12)), 537#true, Black: 256#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t11 (+ y2 1)) (<= (+ y2 1) t11)), Black: 279#(and (<= (+ y2 1) y1) (<= t21 x2) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= x2 t21) (<= y1 (+ y2 1))), Black: 250#(and (= y2 y1) (= x2 x1)), Black: 267#(and (<= t22 (+ x1 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y1 y2) (<= (+ x1 1) t22) (<= y2 y1)), Black: 269#(and (<= t22 (+ x1 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y1 y2) (<= (+ x1 1) t22) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y2 y1)), Black: 255#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y1 y2) (<= y2 y1)), 292#true, 41#L52true, 43#L41true, Black: 800#(and (<= t22 (+ x1 1)) (< x1 (+ x2 1)) (<= (+ y1 1) y2) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= x2 x1) (<= (+ y1 1) t12)), 51#thread4EXITtrue, Black: 804#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= (+ y1 1) t12)), Black: 774#(and (= y2 y1) (= x2 x1)), Black: 806#(and (<= t22 (+ x1 1)) (< x1 (+ x2 1)) (<= (+ y1 1) y2) (<= y2 t11) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= x2 x1) (<= t11 y2) (<= (+ y1 1) t12)), Black: 792#(and (<= t22 (+ x1 1)) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= y2 y1)), Black: 810#(and (<= t22 (+ x1 1)) (<= y2 t11) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= y2 y1) (<= t11 y2)), Black: 778#(and (<= t22 (+ x1 1)) (<= y1 y2) (<= (+ x1 1) t22) (<= y2 y1)), Black: 812#(and (< x1 (+ x2 1)) (<= (+ y1 1) y2) (<= t21 x2) (<= y2 (+ y1 1)) (<= x2 x1) (<= x2 t21)), 827#true, Black: 544#(and (<= t22 (+ x1 1)) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= (+ y1 1) t12)), Black: 561#(and (<= t22 (+ x1 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= y1 y2) (<= (+ x1 1) t22) (<= y2 y1) (<= (+ y1 1) t12)), Black: 565#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= (+ y1 1) t12)), Black: 569#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= t11 y2) (<= (+ y1 1) t12)), Black: 322#(and (<= t22 (+ x1 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= (+ x1 1) t22) (<= t11 y2)), Black: 571#(and (= y2 y1) (<= t21 x2) (= x2 x1) (<= x2 t21)), Black: 555#(and (<= t22 (+ x1 1)) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= y2 y1)), Black: 573#(and (<= t22 (+ x1 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= y1 y2) (<= (+ x1 1) t22) (<= y2 y1) (<= t11 y2)), Black: 1088#(and (< x2 (+ x1 1)) (<= t12 t11) (<= t12 y1) (<= x1 x2) (<= y1 t12) (<= t11 t12)), 591#true, Black: 312#(and (<= (+ y1 1) y2) (<= t12 (+ y1 1)) (<= x1 x2) (<= y2 (+ y1 1)) (<= x2 x1) (<= (+ y1 1) t12)), Black: 1092#(and (= y2 y1) (<= t22 x1) (<= t12 (+ y1 1)) (= x2 x1) (<= x1 t22) (<= (+ y1 1) t12)), Black: 77#(not f22), Black: 1078#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= (+ y1 1) t12)), Black: 1096#(and (< x2 (+ x1 1)) (<= t22 x1) (<= t12 (+ y1 1)) (<= x1 x2) (<= x1 t22) (<= (+ y1 1) t12)), Black: 314#(and (<= (+ y1 1) y2) (<= y2 t11) (<= t12 (+ y1 1)) (<= x1 x2) (<= y2 (+ y1 1)) (<= x2 x1) (<= t11 y2) (<= (+ y1 1) t12)), Black: 1080#(and (<= (+ y2 1) y1) (<= t12 t11) (<= t12 y1) (= x2 x1) (<= y1 t12) (<= y1 (+ y2 1)) (<= t11 t12)), Black: 318#(and (= y2 y1) (<= y2 t11) (= x2 x1) (<= t11 y2)), 339#true, Black: 1050#(and (<= t12 (+ y1 1)) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= (+ y1 1) t12)), Black: 1098#(and (= y2 y1) (<= t22 x1) (<= t12 t11) (<= t12 (+ y1 1)) (= x2 x1) (<= x1 t22) (<= t11 t12) (<= (+ y1 1) t12)), Black: 1052#(and (< x2 (+ x1 1)) (<= t12 (+ y1 1)) (<= x1 x2) (<= (+ y1 1) t12)), Black: 83#(not f21), Black: 1053#(and (< x2 (+ x1 1)) (<= t12 t11) (<= x1 x2) (<= t11 t12)), Black: 1086#(and (= y2 y1) (<= t12 t11) (<= t12 y1) (= x2 x1) (<= y1 t12) (<= t11 t12)), Black: 89#(not f12), 99#true, Black: 849#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= (+ x1 1) t22) (<= y2 (+ y1 1))), Black: 838#(and (< y1 (+ y2 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 y1)), Black: 855#(and (< y1 (+ y2 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t21 x2) (<= y2 y1) (<= x2 t21)), Black: 857#(and (= y2 y1) (<= t21 x2) (= x2 x1) (<= x2 t21)), Black: 863#(and (< y1 (+ y2 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= y2 y1) (<= t11 y2)), 873#true, Black: 617#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= (+ y1 1) t12)), Black: 601#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= t11 y2)), Black: 619#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ 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(+ x2 1)) (<= (+ x2 1) x1) (<= y1 (+ y2 1))), Black: 121#(and (<= (+ y2 2) t11) (<= (+ y2 2) y1) (<= x1 (+ x2 1)) (<= y1 (+ y2 2)) (<= (+ x2 1) x1) (<= t11 (+ y2 2))), Black: 110#(and (<= (+ y2 1) y1) (<= x1 (+ t12 1)) (<= (+ t12 1) x1) (<= y1 (+ y2 1))), Black: 897#(and (<= t22 (+ x1 1)) (< x1 (+ x2 1)) (<= (+ y1 1) y2) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= x2 x1) (<= (+ y1 1) t12)), Black: 127#(and (<= (+ y2 1) y1) (<= x1 (+ t12 1)) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= (+ t12 1) x1) (<= y1 (+ y2 1))), Black: 901#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= (+ y1 1) t12)), Black: 903#(and (<= t22 (+ x1 1)) (< x1 (+ x2 1)) (<= (+ y1 1) y2) (<= y2 t11) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= x2 x1) (<= t11 y2) (<= (+ y1 1) t12)), Black: 905#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= t21 x2) (<= 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(+ y1 1)) (<= x2 x1)), Black: 410#(and (<= (+ y1 1) y2) (<= t12 (+ y1 1)) (<= x1 x2) (<= y2 (+ y1 1)) (<= x2 x1) (<= (+ y1 1) t12)), Black: 395#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 (+ y1 1))), 439#true, Black: 160#(and (<= x1 (+ x2 1)) (<= t11 (+ y2 1)) (<= (+ x2 1) x1) (<= (+ y2 1) t11)), Black: 177#(and (<= (+ y2 1) y1) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), Black: 171#(and (<= y1 y2) (<= x1 (+ x2 1)) (<= t11 (+ y2 1)) (<= (+ x2 1) x1) (<= (+ y2 1) t11) (<= y2 y1)), Black: 156#(and (= y2 y1) (= x2 x1)), Black: 157#(and (<= (+ y2 1) y1) (= x2 x1) (<= y1 (+ y2 1))), Black: 191#(and (<= (+ y2 1) y1) (<= t22 x1) (= x2 x1) (<= t11 (+ y2 1)) (<= x1 t22) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), 202#true, Black: 705#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= (+ y1 1) t12)), Black: 707#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) 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event has 15 ancestors and is cut-off event [2021-04-29 08:07:02,112 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-04-29 08:07:02,113 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-04-29 08:07:02,113 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-04-29 08:07:02,155 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([123] L63-->thread4EXIT: Formula: (= v_t22_7 v_x2_11) InVars {t22=v_t22_7} OutVars{x2=v_x2_11, t22=v_t22_7} AuxVars[] AssignedVars[x2][779], [Black: 743#(and (= y2 y1) (<= t12 (+ y1 1)) (= x2 x1) (<= (+ y1 1) t12)), Black: 763#(and (<= (+ y1 1) y2) (<= t12 (+ y1 1)) (<= t21 x2) (<= x1 x2) (<= y2 (+ y1 1)) (<= x2 x1) (<= x2 t21) (<= (+ y1 1) t12)), Black: 749#(and (<= t22 (+ x1 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= (+ y1 1) t12)), 772#true, 8#L73true, Black: 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y1 1) t12)), Black: 420#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= (+ x1 1) t22) (<= t21 x2) (<= y2 (+ y1 1)) (<= x2 t21)), Black: 408#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= (+ x1 1) t22) (<= y2 (+ y1 1))), Black: 393#(and (<= (+ y1 1) y2) (<= x1 x2) (<= y2 (+ y1 1)) (<= x2 x1)), Black: 410#(and (<= (+ y1 1) y2) (<= t12 (+ y1 1)) (<= x1 x2) (<= y2 (+ y1 1)) (<= x2 x1) (<= (+ y1 1) t12)), Black: 395#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 (+ y1 1))), 439#true, Black: 160#(and (<= x1 (+ x2 1)) (<= t11 (+ y2 1)) (<= (+ x2 1) x1) (<= (+ y2 1) t11)), Black: 177#(and (<= (+ y2 1) y1) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), Black: 171#(and (<= y1 y2) (<= x1 (+ x2 1)) (<= t11 (+ y2 1)) (<= (+ x2 1) x1) (<= (+ y2 1) t11) (<= y2 y1)), Black: 156#(and (= y2 y1) (= x2 x1)), Black: 157#(and (<= (+ y2 1) y1) (= x2 x1) (<= y1 (+ y2 1))), Black: 191#(and (<= (+ y2 1) y1) (<= t22 x1) (= x2 x1) (<= t11 (+ y2 1)) (<= x1 t22) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), 202#true, Black: 705#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= (+ y1 1) t12)), Black: 707#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= t11 y2) (<= (+ y1 1) t12)), Black: 709#(and (<= t22 (+ x1 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= y1 y2) (<= (+ x1 1) t22) (<= y2 y1) (<= t11 y2)), Black: 928#(and (<= (+ y2 1) y1) (= x2 x1) (<= y1 (+ y2 1))), Black: 930#(and (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1)), 725#true, Black: 931#(and (<= (+ x2 2) t21) (<= y1 y2) (<= y2 y1) (<= t21 (+ x2 2))), Black: 963#(and (= y2 y1) (<= t12 y1) (= x2 x1) (<= y1 t12)), Black: 932#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= y1 y2) (<= y2 y1)), Black: 965#(and (<= (+ y2 1) y1) (<= t22 x1) (<= x1 (+ x2 1)) (<= t11 (+ y2 1)) (<= x1 t22) (<= (+ x2 1) x1) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), Black: 969#(and (<= (+ y2 1) y1) (<= t22 x1) (= x2 x1) (<= x1 t22) (<= y1 (+ y2 1))), Black: 941#(and (<= y1 y2) (<= x1 (+ x2 1)) (<= t11 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= (+ x2 1) t11)), Black: 945#(and (<= y1 y2) (<= x1 (+ x2 1)) (<= t11 (+ y2 1)) (<= (+ x2 1) x1) (<= (+ y2 1) t11) (<= y2 y1)), Black: 947#(and (<= (+ x2 2) t21) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= t21 (+ x2 2))), Black: 955#(and (<= (+ y2 1) y1) (<= x1 (+ x2 1)) (<= t11 (+ y2 1)) (<= (+ x2 1) x1) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), Black: 448#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 (+ y1 1))), Black: 957#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1)), Black: 449#(and (<= (+ y1 1) y2) (<= t21 x2) (<= y2 (+ y1 1)) (<= x2 t21)), Black: 927#(and (= y2 y1) (= x2 x1)), 993#true, Black: 467#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= t21 x2) (<= y2 (+ y1 1)) (<= x2 t21) (<= (+ y1 1) t12)), Black: 459#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= y2 (+ y1 1)) (<= (+ y1 1) t12)), Black: 446#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y1 y2) (<= y2 y1)), Black: 463#(and (<= t22 (+ x1 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y1 y2) (<= (+ x1 1) t22) (<= y2 y1)), 486#true, Black: 210#(and (<= t21 (+ x2 1)) (<= (+ y1 1) y2) (<= (+ x2 1) t21) (<= y2 (+ y1 1))), Black: 217#(and (<= y1 y2) (<= x1 (+ x2 1)) (<= t11 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= (+ x2 1) t11)), Black: 233#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= y2 t11) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= t11 y2)), Black: 204#(and (= y2 y1) (= x2 x1)), Black: 221#(and (<= (+ y1 1) y2) (<= t12 (+ y1 1)) (<= x1 x2) (<= y2 (+ y1 1)) (<= x2 x1) (<= (+ y1 1) t12)), Black: 206#(and (<= y1 y2) (<= t11 (+ x2 1)) (<= y2 y1) (<= (+ x2 1) t11)), Black: 223#(and (<= t21 (+ x2 1)) (<= (+ y1 1) y2) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= x1 x2) (<= y2 (+ y1 1)) (<= x2 x1) (<= (+ y1 1) t12)), 248#true, Black: 755#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= (+ y1 1) t12))]) [2021-04-29 08:07:02,156 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-04-29 08:07:02,156 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-04-29 08:07:02,156 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-04-29 08:07:02,156 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-04-29 08:07:02,343 INFO L129 PetriNetUnfolder]: 1532/2721 cut-off events. [2021-04-29 08:07:02,343 INFO L130 PetriNetUnfolder]: For 145368/145632 co-relation queries the response was YES. [2021-04-29 08:07:02,475 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32130 conditions, 2721 events. 1532/2721 cut-off events. For 145368/145632 co-relation queries the response was YES. Maximal size of possible extension queue 274. Compared 17512 event pairs, 101 based on Foata normal form. 56/2701 useless extension candidates. Maximal degree in co-relation 31896. Up to 1048 conditions per place. [2021-04-29 08:07:02,526 INFO L146 LiptonReduction]: Number of co-enabled transitions 1056 [2021-04-29 08:07:02,776 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:07:02,777 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:07:02,777 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1247 [2021-04-29 08:07:02,777 INFO L480 AbstractCegarLoop]: Abstraction has has 420 places, 1116 transitions, 20745 flow [2021-04-29 08:07:02,778 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:02,778 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:07:02,778 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:07:02,778 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-04-29 08:07:02,778 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:07:02,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:07:02,779 INFO L82 PathProgramCache]: Analyzing trace with hash -1967497972, now seen corresponding path program 21 times [2021-04-29 08:07:02,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:07:02,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041157267] [2021-04-29 08:07:02,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:07:02,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:07:02,805 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:07:02,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:07:02,813 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:07:02,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:07:02,828 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:07:02,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:07:02,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:02,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:02,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:02,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:02,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:02,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:07:02,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:02,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:02,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:02,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:07:02,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:02,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:07:02,951 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:07:02,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:07:02,957 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-04-29 08:07:02,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:07:02,985 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-04-29 08:07:02,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:07:02,993 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:07:02,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:07:03,022 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:07:03,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:03,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:07:03,027 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041157267] [2021-04-29 08:07:03,027 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:07:03,027 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 08:07:03,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941102255] [2021-04-29 08:07:03,028 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 08:07:03,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:07:03,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 08:07:03,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-04-29 08:07:03,029 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 61 [2021-04-29 08:07:03,030 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 420 places, 1116 transitions, 20745 flow. Second operand has 11 states, 11 states have (on average 27.363636363636363) internal successors, (301), 11 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:03,030 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:07:03,030 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 61 [2021-04-29 08:07:03,030 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:07:06,497 INFO L129 PetriNetUnfolder]: 2092/3484 cut-off events. [2021-04-29 08:07:06,498 INFO L130 PetriNetUnfolder]: For 250589/250757 co-relation queries the response was YES. [2021-04-29 08:07:06,545 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47198 conditions, 3484 events. 2092/3484 cut-off events. For 250589/250757 co-relation queries the response was YES. Maximal size of possible extension queue 314. Compared 20767 event pairs, 391 based on Foata normal form. 44/3527 useless extension candidates. Maximal degree in co-relation 46958. Up to 2884 conditions per place. [2021-04-29 08:07:06,576 INFO L132 encePairwiseOnDemand]: 46/61 looper letters, 838 selfloop transitions, 468 changer transitions 4/1318 dead transitions. [2021-04-29 08:07:06,576 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 443 places, 1318 transitions, 28948 flow [2021-04-29 08:07:06,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-04-29 08:07:06,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-04-29 08:07:06,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 755 transitions. [2021-04-29 08:07:06,578 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5157103825136612 [2021-04-29 08:07:06,579 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 755 transitions. [2021-04-29 08:07:06,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 755 transitions. [2021-04-29 08:07:06,579 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:07:06,579 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 755 transitions. [2021-04-29 08:07:06,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 31.458333333333332) internal successors, (755), 24 states have internal predecessors, (755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:06,583 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 61.0) internal successors, (1525), 25 states have internal predecessors, (1525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:06,584 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 61.0) internal successors, (1525), 25 states have internal predecessors, (1525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:06,584 INFO L185 Difference]: Start difference. First operand has 420 places, 1116 transitions, 20745 flow. Second operand 24 states and 755 transitions. [2021-04-29 08:07:06,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 443 places, 1318 transitions, 28948 flow [2021-04-29 08:07:07,631 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 437 places, 1318 transitions, 27946 flow, removed 436 selfloop flow, removed 6 redundant places. [2021-04-29 08:07:07,662 INFO L241 Difference]: Finished difference. Result has 446 places, 1290 transitions, 25847 flow [2021-04-29 08:07:07,663 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=19842, PETRI_DIFFERENCE_MINUEND_PLACES=414, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=299, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=787, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=25847, PETRI_PLACES=446, PETRI_TRANSITIONS=1290} [2021-04-29 08:07:07,663 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 394 predicate places. [2021-04-29 08:07:07,663 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:07:07,664 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 446 places, 1290 transitions, 25847 flow [2021-04-29 08:07:07,664 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 446 places, 1290 transitions, 25847 flow [2021-04-29 08:07:07,681 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 446 places, 1290 transitions, 25847 flow [2021-04-29 08:07:08,748 INFO L129 PetriNetUnfolder]: 1672/2976 cut-off events. [2021-04-29 08:07:08,748 INFO L130 PetriNetUnfolder]: For 166437/166850 co-relation queries the response was YES. [2021-04-29 08:07:08,788 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36626 conditions, 2976 events. 1672/2976 cut-off events. For 166437/166850 co-relation queries the response was YES. Maximal size of possible extension queue 309. Compared 19517 event pairs, 124 based on Foata normal form. 27/2917 useless extension candidates. Maximal degree in co-relation 36447. Up to 1078 conditions per place. [2021-04-29 08:07:08,824 INFO L146 LiptonReduction]: Number of co-enabled transitions 1108 [2021-04-29 08:07:09,095 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:07:09,096 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:07:09,096 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1433 [2021-04-29 08:07:09,096 INFO L480 AbstractCegarLoop]: Abstraction has has 446 places, 1290 transitions, 25847 flow [2021-04-29 08:07:09,097 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.363636363636363) internal successors, (301), 11 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:09,097 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:07:09,097 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:07:09,097 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-04-29 08:07:09,097 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:07:09,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:07:09,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1153263566, now seen corresponding path program 22 times [2021-04-29 08:07:09,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:07:09,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877467312] [2021-04-29 08:07:09,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:07:09,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:07:09,120 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:07:09,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:07:09,127 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:07:09,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:07:09,140 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:07:09,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:07:09,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:09,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:09,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:09,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:09,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:09,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:07:09,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:09,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:09,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:09,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:07:09,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:09,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:07:09,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:09,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:07:09,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:09,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:09,276 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-04-29 08:07:09,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:07:09,335 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:07:09,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:07:09,365 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:07:09,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:09,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:07:09,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877467312] [2021-04-29 08:07:09,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:07:09,370 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:07:09,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864200045] [2021-04-29 08:07:09,370 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:07:09,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:07:09,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:07:09,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:07:09,372 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 61 [2021-04-29 08:07:09,372 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 446 places, 1290 transitions, 25847 flow. Second operand has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:09,373 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:07:09,373 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 61 [2021-04-29 08:07:09,373 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:07:12,856 INFO L129 PetriNetUnfolder]: 2202/3645 cut-off events. [2021-04-29 08:07:12,856 INFO L130 PetriNetUnfolder]: For 275249/275423 co-relation queries the response was YES. [2021-04-29 08:07:12,904 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51128 conditions, 3645 events. 2202/3645 cut-off events. For 275249/275423 co-relation queries the response was YES. Maximal size of possible extension queue 331. Compared 21717 event pairs, 404 based on Foata normal form. 43/3687 useless extension candidates. Maximal degree in co-relation 50938. Up to 3080 conditions per place. [2021-04-29 08:07:12,928 INFO L132 encePairwiseOnDemand]: 46/61 looper letters, 900 selfloop transitions, 512 changer transitions 2/1422 dead transitions. [2021-04-29 08:07:12,928 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 468 places, 1422 transitions, 32586 flow [2021-04-29 08:07:12,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-04-29 08:07:12,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-04-29 08:07:12,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 708 transitions. [2021-04-29 08:07:12,930 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5046329294369208 [2021-04-29 08:07:12,930 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 708 transitions. [2021-04-29 08:07:12,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 708 transitions. [2021-04-29 08:07:12,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:07:12,931 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 708 transitions. [2021-04-29 08:07:12,932 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 30.782608695652176) internal successors, (708), 23 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:12,934 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 61.0) internal successors, (1464), 24 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:12,935 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 61.0) internal successors, (1464), 24 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:12,935 INFO L185 Difference]: Start difference. First operand has 446 places, 1290 transitions, 25847 flow. Second operand 23 states and 708 transitions. [2021-04-29 08:07:12,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 468 places, 1422 transitions, 32586 flow [2021-04-29 08:07:14,356 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 462 places, 1422 transitions, 32001 flow, removed 230 selfloop flow, removed 6 redundant places. [2021-04-29 08:07:14,410 INFO L241 Difference]: Finished difference. Result has 469 places, 1399 transitions, 29550 flow [2021-04-29 08:07:14,412 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=25270, PETRI_DIFFERENCE_MINUEND_PLACES=440, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=405, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=870, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=29550, PETRI_PLACES=469, PETRI_TRANSITIONS=1399} [2021-04-29 08:07:14,412 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 417 predicate places. [2021-04-29 08:07:14,412 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:07:14,412 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 469 places, 1399 transitions, 29550 flow [2021-04-29 08:07:14,413 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 469 places, 1399 transitions, 29550 flow [2021-04-29 08:07:14,437 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 467 places, 1399 transitions, 29550 flow [2021-04-29 08:07:15,508 INFO L129 PetriNetUnfolder]: 1771/3117 cut-off events. [2021-04-29 08:07:15,509 INFO L130 PetriNetUnfolder]: For 176376/176890 co-relation queries the response was YES. [2021-04-29 08:07:15,551 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39731 conditions, 3117 events. 1771/3117 cut-off events. For 176376/176890 co-relation queries the response was YES. Maximal size of possible extension queue 323. Compared 20414 event pairs, 120 based on Foata normal form. 36/3058 useless extension candidates. Maximal degree in co-relation 39544. Up to 1133 conditions per place. [2021-04-29 08:07:15,590 INFO L146 LiptonReduction]: Number of co-enabled transitions 1162 [2021-04-29 08:07:15,960 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:07:15,960 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:07:15,960 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1548 [2021-04-29 08:07:15,961 INFO L480 AbstractCegarLoop]: Abstraction has has 467 places, 1399 transitions, 29550 flow [2021-04-29 08:07:15,961 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:15,961 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:07:15,961 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:07:15,962 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-04-29 08:07:15,962 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:07:15,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:07:15,962 INFO L82 PathProgramCache]: Analyzing trace with hash 1225993284, now seen corresponding path program 23 times [2021-04-29 08:07:15,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:07:15,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220727898] [2021-04-29 08:07:15,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:07:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:07:15,985 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:07:15,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:07:15,992 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:07:15,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:07:16,001 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:07:16,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:07:16,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:16,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:16,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:16,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:16,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:16,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:07:16,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:16,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:16,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:16,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:16,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:16,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:07:16,076 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:07:16,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:07:16,081 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-04-29 08:07:16,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:07:16,103 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-04-29 08:07:16,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:07:16,110 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:07:16,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:07:16,134 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:07:16,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:16,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:07:16,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220727898] [2021-04-29 08:07:16,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:07:16,138 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 08:07:16,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482716172] [2021-04-29 08:07:16,139 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 08:07:16,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:07:16,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 08:07:16,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-04-29 08:07:16,140 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 61 [2021-04-29 08:07:16,140 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 467 places, 1399 transitions, 29550 flow. Second operand has 10 states, 10 states have (on average 27.5) internal successors, (275), 10 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:16,140 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:07:16,140 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 61 [2021-04-29 08:07:16,141 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:07:19,815 INFO L129 PetriNetUnfolder]: 2222/3705 cut-off events. [2021-04-29 08:07:19,815 INFO L130 PetriNetUnfolder]: For 285592/285776 co-relation queries the response was YES. [2021-04-29 08:07:19,888 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52369 conditions, 3705 events. 2222/3705 cut-off events. For 285592/285776 co-relation queries the response was YES. Maximal size of possible extension queue 341. Compared 22422 event pairs, 376 based on Foata normal form. 50/3754 useless extension candidates. Maximal degree in co-relation 52171. Up to 3142 conditions per place. [2021-04-29 08:07:19,919 INFO L132 encePairwiseOnDemand]: 46/61 looper letters, 957 selfloop transitions, 480 changer transitions 3/1448 dead transitions. [2021-04-29 08:07:19,920 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 485 places, 1448 transitions, 33656 flow [2021-04-29 08:07:19,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-04-29 08:07:19,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-04-29 08:07:19,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 604 transitions. [2021-04-29 08:07:19,921 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5211389128559103 [2021-04-29 08:07:19,921 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 604 transitions. [2021-04-29 08:07:19,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 604 transitions. [2021-04-29 08:07:19,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:07:19,922 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 604 transitions. [2021-04-29 08:07:19,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 31.789473684210527) internal successors, (604), 19 states have internal predecessors, (604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:19,926 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 61.0) internal successors, (1220), 20 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:19,926 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 61.0) internal successors, (1220), 20 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:19,926 INFO L185 Difference]: Start difference. First operand has 467 places, 1399 transitions, 29550 flow. Second operand 19 states and 604 transitions. [2021-04-29 08:07:19,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 485 places, 1448 transitions, 33656 flow [2021-04-29 08:07:21,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 476 places, 1448 transitions, 33198 flow, removed 127 selfloop flow, removed 9 redundant places. [2021-04-29 08:07:21,719 INFO L241 Difference]: Finished difference. Result has 481 places, 1426 transitions, 30832 flow [2021-04-29 08:07:21,721 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=29096, PETRI_DIFFERENCE_MINUEND_PLACES=458, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1399, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=455, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=940, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=30832, PETRI_PLACES=481, PETRI_TRANSITIONS=1426} [2021-04-29 08:07:21,722 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 429 predicate places. [2021-04-29 08:07:21,722 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:07:21,722 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 481 places, 1426 transitions, 30832 flow [2021-04-29 08:07:21,722 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 481 places, 1426 transitions, 30832 flow [2021-04-29 08:07:21,747 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 481 places, 1426 transitions, 30832 flow [2021-04-29 08:07:22,849 INFO L129 PetriNetUnfolder]: 1801/3180 cut-off events. [2021-04-29 08:07:22,849 INFO L130 PetriNetUnfolder]: For 193200/193614 co-relation queries the response was YES. [2021-04-29 08:07:22,894 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41519 conditions, 3180 events. 1801/3180 cut-off events. For 193200/193614 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 20926 event pairs, 110 based on Foata normal form. 48/3152 useless extension candidates. Maximal degree in co-relation 41317. Up to 1151 conditions per place. [2021-04-29 08:07:22,933 INFO L146 LiptonReduction]: Number of co-enabled transitions 1186 [2021-04-29 08:07:23,273 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:07:23,273 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:07:23,273 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1551 [2021-04-29 08:07:23,274 INFO L480 AbstractCegarLoop]: Abstraction has has 481 places, 1426 transitions, 30832 flow [2021-04-29 08:07:23,274 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.5) internal successors, (275), 10 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:23,274 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:07:23,274 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:07:23,274 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-04-29 08:07:23,275 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:07:23,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:07:23,275 INFO L82 PathProgramCache]: Analyzing trace with hash -1039644886, now seen corresponding path program 24 times [2021-04-29 08:07:23,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:07:23,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772807030] [2021-04-29 08:07:23,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:07:23,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:07:23,297 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:07:23,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:07:23,303 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:07:23,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:07:23,313 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:07:23,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:07:23,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:23,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:23,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:23,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:23,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:23,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:07:23,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:23,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:23,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:23,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:07:23,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:23,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:07:23,416 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:07:23,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:07:23,421 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-04-29 08:07:23,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:07:23,449 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-04-29 08:07:23,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:07:23,456 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:07:23,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:07:23,485 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:07:23,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:23,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:07:23,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772807030] [2021-04-29 08:07:23,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:07:23,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 08:07:23,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627050125] [2021-04-29 08:07:23,491 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 08:07:23,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:07:23,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 08:07:23,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-04-29 08:07:23,492 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 61 [2021-04-29 08:07:23,493 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 481 places, 1426 transitions, 30832 flow. Second operand has 11 states, 11 states have (on average 27.363636363636363) internal successors, (301), 11 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:23,493 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:07:23,493 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 61 [2021-04-29 08:07:23,493 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:07:24,418 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 16 [2021-04-29 08:07:27,572 INFO L129 PetriNetUnfolder]: 2261/3782 cut-off events. [2021-04-29 08:07:27,572 INFO L130 PetriNetUnfolder]: For 307764/307948 co-relation queries the response was YES. [2021-04-29 08:07:27,633 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54895 conditions, 3782 events. 2261/3782 cut-off events. For 307764/307948 co-relation queries the response was YES. Maximal size of possible extension queue 352. Compared 23084 event pairs, 376 based on Foata normal form. 50/3831 useless extension candidates. Maximal degree in co-relation 54686. Up to 3143 conditions per place. [2021-04-29 08:07:27,814 INFO L132 encePairwiseOnDemand]: 46/61 looper letters, 960 selfloop transitions, 536 changer transitions 4/1508 dead transitions. [2021-04-29 08:07:27,815 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 504 places, 1508 transitions, 36017 flow [2021-04-29 08:07:27,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-04-29 08:07:27,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-04-29 08:07:27,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 757 transitions. [2021-04-29 08:07:27,817 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5170765027322405 [2021-04-29 08:07:27,817 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 757 transitions. [2021-04-29 08:07:27,817 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 757 transitions. [2021-04-29 08:07:27,817 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:07:27,817 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 757 transitions. [2021-04-29 08:07:27,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 31.541666666666668) internal successors, (757), 24 states have internal predecessors, (757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:27,820 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 61.0) internal successors, (1525), 25 states have internal predecessors, (1525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:27,821 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 61.0) internal successors, (1525), 25 states have internal predecessors, (1525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:27,821 INFO L185 Difference]: Start difference. First operand has 481 places, 1426 transitions, 30832 flow. Second operand 24 states and 757 transitions. [2021-04-29 08:07:27,821 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 504 places, 1508 transitions, 36017 flow [2021-04-29 08:07:29,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 498 places, 1508 transitions, 35615 flow, removed 177 selfloop flow, removed 6 redundant places. [2021-04-29 08:07:29,315 INFO L241 Difference]: Finished difference. Result has 505 places, 1482 transitions, 33276 flow [2021-04-29 08:07:29,317 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=30450, PETRI_DIFFERENCE_MINUEND_PLACES=475, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=481, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=905, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=33276, PETRI_PLACES=505, PETRI_TRANSITIONS=1482} [2021-04-29 08:07:29,317 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 453 predicate places. [2021-04-29 08:07:29,317 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:07:29,317 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 505 places, 1482 transitions, 33276 flow [2021-04-29 08:07:29,318 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 505 places, 1482 transitions, 33276 flow [2021-04-29 08:07:29,334 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 505 places, 1482 transitions, 33276 flow [2021-04-29 08:07:30,305 INFO L129 PetriNetUnfolder]: 1847/3257 cut-off events. [2021-04-29 08:07:30,306 INFO L130 PetriNetUnfolder]: For 203404/203763 co-relation queries the response was YES. [2021-04-29 08:07:30,357 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43661 conditions, 3257 events. 1847/3257 cut-off events. For 203404/203763 co-relation queries the response was YES. Maximal size of possible extension queue 346. Compared 21505 event pairs, 121 based on Foata normal form. 31/3190 useless extension candidates. Maximal degree in co-relation 43438. Up to 1158 conditions per place. [2021-04-29 08:07:30,400 INFO L146 LiptonReduction]: Number of co-enabled transitions 1194 [2021-04-29 08:07:30,791 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:07:30,791 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:07:30,791 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1474 [2021-04-29 08:07:30,792 INFO L480 AbstractCegarLoop]: Abstraction has has 505 places, 1482 transitions, 33276 flow [2021-04-29 08:07:30,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.363636363636363) internal successors, (301), 11 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:30,792 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:07:30,792 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:07:30,792 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-04-29 08:07:30,793 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:07:30,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:07:30,793 INFO L82 PathProgramCache]: Analyzing trace with hash 630743338, now seen corresponding path program 25 times [2021-04-29 08:07:30,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:07:30,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180954795] [2021-04-29 08:07:30,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:07:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:07:30,814 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:07:30,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:07:30,821 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:07:30,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:07:30,831 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:07:30,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:07:30,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:30,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:30,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:30,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:30,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:30,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:07:30,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:30,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:30,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:30,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:07:30,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:30,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:07:30,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:30,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:07:30,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:30,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:31,019 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-04-29 08:07:31,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:07:31,030 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:07:31,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:07:31,057 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:07:31,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:31,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:07:31,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180954795] [2021-04-29 08:07:31,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:07:31,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:07:31,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554667865] [2021-04-29 08:07:31,063 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:07:31,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:07:31,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:07:31,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:07:31,064 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 61 [2021-04-29 08:07:31,064 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 505 places, 1482 transitions, 33276 flow. Second operand has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:31,064 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:07:31,065 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 61 [2021-04-29 08:07:31,065 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:07:34,851 INFO L129 PetriNetUnfolder]: 2363/3933 cut-off events. [2021-04-29 08:07:34,852 INFO L130 PetriNetUnfolder]: For 333248/333416 co-relation queries the response was YES. [2021-04-29 08:07:34,908 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58797 conditions, 3933 events. 2363/3933 cut-off events. For 333248/333416 co-relation queries the response was YES. Maximal size of possible extension queue 366. Compared 24021 event pairs, 387 based on Foata normal form. 43/3975 useless extension candidates. Maximal degree in co-relation 58574. Up to 3277 conditions per place. [2021-04-29 08:07:34,936 INFO L132 encePairwiseOnDemand]: 46/61 looper letters, 1034 selfloop transitions, 551 changer transitions 3/1596 dead transitions. [2021-04-29 08:07:34,937 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 525 places, 1596 transitions, 39979 flow [2021-04-29 08:07:34,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-04-29 08:07:34,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-04-29 08:07:34,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 654 transitions. [2021-04-29 08:07:34,938 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5105386416861827 [2021-04-29 08:07:34,938 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 654 transitions. [2021-04-29 08:07:34,938 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 654 transitions. [2021-04-29 08:07:34,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:07:34,939 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 654 transitions. [2021-04-29 08:07:34,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 31.142857142857142) internal successors, (654), 21 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:34,942 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 61.0) internal successors, (1342), 22 states have internal predecessors, (1342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:34,942 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 61.0) internal successors, (1342), 22 states have internal predecessors, (1342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:34,942 INFO L185 Difference]: Start difference. First operand has 505 places, 1482 transitions, 33276 flow. Second operand 21 states and 654 transitions. [2021-04-29 08:07:34,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 525 places, 1596 transitions, 39979 flow [2021-04-29 08:07:36,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 511 places, 1596 transitions, 39107 flow, removed 176 selfloop flow, removed 14 redundant places. [2021-04-29 08:07:36,609 INFO L241 Difference]: Finished difference. Result has 520 places, 1557 transitions, 36325 flow [2021-04-29 08:07:36,610 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=32462, PETRI_DIFFERENCE_MINUEND_PLACES=491, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1482, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=479, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=959, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=36325, PETRI_PLACES=520, PETRI_TRANSITIONS=1557} [2021-04-29 08:07:36,610 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 468 predicate places. [2021-04-29 08:07:36,610 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:07:36,611 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 520 places, 1557 transitions, 36325 flow [2021-04-29 08:07:36,611 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 520 places, 1557 transitions, 36325 flow [2021-04-29 08:07:36,631 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 519 places, 1557 transitions, 36325 flow [2021-04-29 08:07:37,222 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([123] L63-->thread4EXIT: Formula: (= v_t22_7 v_x2_11) InVars {t22=v_t22_7} OutVars{x2=v_x2_11, t22=v_t22_7} AuxVars[] AssignedVars[x2][1528], [Black: 743#(and (= y2 y1) (<= t12 (+ y1 1)) (= x2 x1) (<= (+ y1 1) t12)), Black: 763#(and (<= (+ y1 1) y2) (<= t12 (+ y1 1)) (<= t21 x2) (<= x1 x2) (<= y2 (+ y1 1)) (<= x2 x1) (<= x2 t21) (<= (+ y1 1) t12)), Black: 749#(and (<= t22 (+ x1 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= (+ y1 1) t12)), 772#true, 8#L73true, Black: 1010#(and (= y2 y1) (<= t12 (+ y1 1)) (= x2 x1) (<= (+ y1 1) t12)), Black: 995#(and (= y2 y1) (= x2 x1)), Black: 1028#(and (<= y2 t11) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= t11 y2)), Black: 999#(and (<= t12 (+ y1 1)) (<= x1 x2) (<= x2 x1) (<= (+ y1 1) t12)), Black: 1000#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= (+ y1 1) t12)), 15#thread1EXITtrue, Black: 1018#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= (+ y1 1) t12)), Black: 496#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= t11 y2)), Black: 1002#(and (<= (+ y1 1) y2) (<= x1 (+ x2 1)) (<= y2 (+ y1 1)) (<= (+ x2 1) x1)), Black: 514#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= (+ y1 1) t12)), 18#L50true, Black: 1020#(and (<= t21 (+ x2 1)) (<= (+ y1 1) y2) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= x1 (+ x2 1)) (<= y2 (+ y1 1)) (<= (+ x2 1) x1) (<= (+ y1 1) t12)), Black: 516#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= t11 y2) (<= (+ y1 1) t12)), Black: 504#(and (= y2 y1) (<= t12 (+ y1 1)) (= x2 x1) (<= (+ y1 1) t12)), 1043#true, Black: 488#(and (= y2 y1) (= x2 x1)), Black: 508#(and (<= t22 (+ x1 1)) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= x1 x2) (<= x2 x1) (<= (+ y1 1) t12)), Black: 492#(and (<= t12 (+ y1 1)) (<= x1 x2) (<= x2 x1) (<= (+ y1 1) t12)), Black: 1264#(and (<= t22 t21) (<= y1 y2) (<= t21 t22) (<= y2 y1)), Black: 493#(and (<= t22 (+ x1 1)) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= (+ y1 1) t12)), Black: 1299#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= t12 y1) (<= y1 y2) (= x2 x1) (<= y2 y1) (<= y1 t12)), Black: 1283#(and (<= (+ y2 1) y1) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), 537#true, Black: 1273#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= y1 y2) (= x2 x1) (<= y2 y1)), Black: 1291#(and (<= t22 x1) (<= t22 t21) (<= y1 y2) (= x2 x1) (<= x1 t22) (<= t21 t22) (<= y2 y1)), Black: 1279#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= y1 y2) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y2 y1)), Black: 256#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t11 (+ y2 1)) (<= (+ y2 1) t11)), Black: 279#(and (<= (+ y2 1) y1) (<= t21 x2) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= x2 t21) (<= y1 (+ y2 1))), 1310#true, Black: 250#(and (= y2 y1) (= x2 x1)), Black: 267#(and (<= t22 (+ x1 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y1 y2) (<= (+ x1 1) t22) (<= y2 y1)), Black: 269#(and (<= t22 (+ x1 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y1 y2) (<= (+ x1 1) t22) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y2 y1)), Black: 255#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y1 y2) (<= y2 y1)), 292#true, 43#L41true, Black: 800#(and (<= t22 (+ x1 1)) (< x1 (+ x2 1)) (<= (+ y1 1) y2) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= x2 x1) (<= (+ y1 1) t12)), 51#thread4EXITtrue, Black: 804#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= (+ y1 1) t12)), Black: 774#(and (= y2 y1) (= x2 x1)), Black: 806#(and (<= t22 (+ x1 1)) (< x1 (+ x2 1)) (<= (+ y1 1) y2) (<= y2 t11) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= x2 x1) (<= t11 y2) (<= (+ y1 1) t12)), Black: 792#(and (<= t22 (+ x1 1)) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= y2 y1)), Black: 810#(and (<= t22 (+ x1 1)) (<= y2 t11) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= y2 y1) (<= t11 y2)), Black: 778#(and (<= t22 (+ x1 1)) (<= y1 y2) (<= (+ x1 1) t22) (<= y2 y1)), Black: 812#(and (< x1 (+ x2 1)) (<= (+ y1 1) y2) (<= t21 x2) (<= y2 (+ y1 1)) (<= x2 x1) (<= x2 t21)), 827#true, Black: 544#(and (<= t22 (+ x1 1)) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= (+ y1 1) t12)), Black: 1312#(and (= y2 y1) (= x2 x1)), Black: 561#(and (<= t22 (+ x1 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= y1 y2) (<= (+ x1 1) t22) (<= y2 y1) (<= (+ y1 1) t12)), Black: 1331#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1)), Black: 1347#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= y2 t11) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= t11 y2)), Black: 1333#(and (<= t21 (+ x2 1)) (<= (+ y1 1) y2) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= y2 (+ y1 1)) (<= (+ y1 1) t12)), Black: 565#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= (+ y1 1) t12)), Black: 1335#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= (+ y1 1) t12)), Black: 569#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= t11 y2) (<= (+ y1 1) t12)), Black: 1337#(and (<= t21 (+ x2 1)) (<= t22 x1) (<= (+ x2 1) t21) (<= y1 y2) (<= x1 (+ x2 1)) (<= x1 t22) (<= (+ x2 1) x1) (<= y2 y1)), Black: 571#(and (= y2 y1) (<= t21 x2) (= x2 x1) (<= x2 t21)), Black: 322#(and (<= t22 (+ x1 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= (+ x1 1) t22) (<= t11 y2)), Black: 555#(and (<= t22 (+ x1 1)) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= y2 y1)), Black: 1339#(and (<= t21 (+ x2 1)) (<= (+ y1 1) y2) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= x1 (+ x2 1)) (<= y2 (+ y1 1)) (<= (+ x2 1) x1) (<= (+ y1 1) t12)), Black: 1088#(and (< x2 (+ x1 1)) (<= t12 t11) (<= t12 y1) (<= x1 x2) (<= y1 t12) (<= t11 t12)), Black: 1327#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= y1 y2) (= x2 x1) (<= y2 y1)), Black: 573#(and (<= t22 (+ x1 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= y1 y2) (<= (+ x1 1) t22) (<= y2 y1) (<= t11 y2)), Black: 1343#(and (= y2 y1) (<= t22 x1) (= x2 x1) (<= x1 t22)), 591#true, Black: 77#(not f22), Black: 312#(and (<= (+ y1 1) y2) (<= t12 (+ y1 1)) (<= x1 x2) (<= y2 (+ y1 1)) (<= x2 x1) (<= (+ y1 1) t12)), Black: 1092#(and (= y2 y1) (<= t22 x1) (<= t12 (+ y1 1)) (= x2 x1) (<= x1 t22) (<= (+ y1 1) t12)), Black: 1078#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= (+ y1 1) t12)), Black: 314#(and (<= (+ y1 1) y2) (<= y2 t11) (<= t12 (+ y1 1)) (<= x1 x2) (<= y2 (+ y1 1)) (<= x2 x1) (<= t11 y2) (<= (+ y1 1) t12)), Black: 1096#(and (< x2 (+ x1 1)) (<= t22 x1) (<= t12 (+ y1 1)) (<= x1 x2) (<= x1 t22) (<= (+ y1 1) t12)), Black: 318#(and (= y2 y1) (<= y2 t11) (= x2 x1) (<= t11 y2)), Black: 1080#(and (<= (+ y2 1) y1) (<= t12 t11) (<= t12 y1) (= x2 x1) (<= y1 t12) (<= y1 (+ y2 1)) (<= t11 t12)), Black: 1050#(and (<= t12 (+ y1 1)) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= (+ y1 1) t12)), 339#true, Black: 1098#(and (= y2 y1) (<= t22 x1) (<= t12 t11) (<= t12 (+ y1 1)) (= x2 x1) (<= x1 t22) (<= t11 t12) (<= (+ y1 1) t12)), Black: 1052#(and (< x2 (+ x1 1)) (<= t12 (+ y1 1)) (<= x1 x2) (<= (+ y1 1) t12)), Black: 83#(not f21), Black: 1053#(and (< x2 (+ x1 1)) (<= t12 t11) (<= x1 x2) (<= t11 t12)), Black: 1086#(and (= y2 y1) (<= t12 t11) (<= t12 y1) (= x2 x1) (<= y1 t12) (<= t11 t12)), 1112#true, Black: 89#(not f12), 99#true, Black: 849#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= (+ x1 1) t22) (<= y2 (+ y1 1))), Black: 838#(and (< y1 (+ y2 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 y1)), Black: 855#(and (< y1 (+ y2 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t21 x2) (<= y2 y1) (<= x2 t21)), Black: 857#(and (= y2 y1) (<= t21 x2) (= x2 x1) (<= x2 t21)), Black: 863#(and (< y1 (+ y2 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= y2 y1) (<= t11 y2)), 873#true, Black: 617#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= (+ y1 1) t12)), Black: 601#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= t11 y2)), Black: 619#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= t11 y2) (<= (+ y1 1) t12)), Black: 359#(and (<= t22 (+ x1 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y1 y2) (<= (+ x1 1) t22) (<= y2 y1)), Black: 361#(and (<= t22 (+ x1 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y1 y2) (<= (+ x1 1) t22) (<= t21 x2) (<= y2 y1) (<= x2 t21)), Black: 365#(and (<= y1 y2) (<= t21 x2) (= x2 x1) (<= y2 y1) (<= x2 t21)), Black: 367#(and (<= (+ y1 1) y2) (<= t12 (+ y1 1)) (<= t21 x2) (<= y2 (+ y1 1)) (<= x2 t21) (<= (+ y1 1) t12)), 386#true, Black: 1136#(and (<= (+ y2 1) y1) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), Black: 1154#(and (<= t22 (+ x1 1)) (<= t12 y1) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= y2 y1) (<= y1 t12)), Black: 1142#(and (<= t22 x1) (<= t22 t21) (<= y1 y2) (<= x1 (+ x2 1)) (<= x1 t22) (<= (+ x2 1) x1) (<= t21 t22) (<= y2 y1)), Black: 1144#(and (<= (+ y2 1) y1) (<= t12 y1) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y1 t12) (<= y1 (+ y2 1))), Black: 1128#(and (<= t22 (+ x1 1)) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= y2 y1)), Black: 117#(and (<= (+ y2 1) y1) (<= x1 (+ x2 1)) (<= t11 (+ x2 1)) (<= (+ x2 1) x1) (<= y1 (+ y2 1)) (<= (+ x2 1) t11)), Black: 1148#(and (<= t22 x1) (<= t22 t21) (<= y1 y2) (= x2 x1) (<= x1 t22) (<= t21 t22) (<= y2 y1)), Black: 133#(and (< y2 (+ y1 1)) (<= t12 y1) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 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t22) (<= y2 (+ y1 1)) (<= x2 x1) (<= (+ y1 1) t12)), Black: 901#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= (+ y1 1) t12)), Black: 903#(and (<= t22 (+ x1 1)) (< x1 (+ x2 1)) (<= (+ y1 1) y2) (<= y2 t11) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= x2 x1) (<= t11 y2) (<= (+ y1 1) t12)), Black: 905#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= t21 x2) (<= y2 (+ y1 1)) (<= x2 t21) (<= (+ y1 1) t12)), Black: 907#(and (<= t22 (+ x1 1)) (<= y2 t11) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= y2 y1) (<= t11 y2)), Black: 891#(and (<= t22 (+ x1 1)) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= y2 y1)), Black: 151#(not f11), 154#true, Black: 909#(and (< x1 (+ x2 1)) (<= (+ y1 1) y2) (<= t21 x2) (<= y2 (+ y1 1)) (<= x2 x1) (<= x2 t21)), Black: 879#(and (<= t22 (+ x1 1)) (<= y1 y2) (<= (+ x1 1) t22) (<= y2 y1)), 925#true, Black: 671#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= y1 y2) (<= y2 y1) (<= t11 y2)), Black: 655#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= y2 (+ y1 1)) (<= (+ y1 1) t12)), Black: 420#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= (+ x1 1) t22) (<= t21 x2) (<= y2 (+ y1 1)) (<= x2 t21)), Black: 408#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= (+ x1 1) t22) (<= y2 (+ y1 1))), Black: 393#(and (<= (+ y1 1) y2) (<= x1 x2) (<= y2 (+ y1 1)) (<= x2 x1)), Black: 410#(and (<= (+ y1 1) y2) (<= t12 (+ y1 1)) (<= x1 x2) (<= y2 (+ y1 1)) (<= x2 x1) (<= (+ y1 1) t12)), Black: 395#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 (+ y1 1))), 439#true, Black: 1200#(and (<= t22 (+ x1 1)) (<= t12 y1) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= y2 y1) (<= y1 t12)), Black: 1202#(and (<= (+ y2 1) y1) (<= t21 x2) (= x2 x1) (<= x2 t21) (<= y1 (+ y2 1))), Black: 1188#(and (<= t22 (+ x1 1)) (<= (+ y2 1) y1) (<= (+ x1 1) t22) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), Black: 1176#(and (<= (+ y2 1) y1) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y1 (+ y2 1))), Black: 1194#(and (<= t22 (+ x1 1)) (<= (+ y2 1) y1) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= (+ x1 1) t22) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), Black: 1196#(and (<= t22 (+ x1 1)) (<= (+ y2 1) y1) (<= t12 y1) (<= (+ x1 1) t22) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y1 t12) (<= y1 (+ y2 1))), 1215#true, Black: 160#(and (<= x1 (+ x2 1)) (<= t11 (+ y2 1)) (<= (+ x2 1) x1) (<= (+ y2 1) t11)), Black: 177#(and (<= (+ y2 1) y1) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), Black: 171#(and (<= y1 y2) (<= x1 (+ x2 1)) (<= t11 (+ y2 1)) (<= (+ x2 1) x1) (<= (+ y2 1) t11) (<= y2 y1)), Black: 156#(and (= y2 y1) (= x2 x1)), Black: 157#(and (<= (+ y2 1) y1) (= x2 x1) (<= y1 (+ y2 1))), Black: 191#(and (<= (+ y2 1) y1) (<= t22 x1) (= x2 x1) (<= t11 (+ y2 1)) (<= x1 t22) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), 202#true, Black: 705#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= (+ y1 1) t12)), Black: 707#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= t11 y2) (<= (+ y1 1) t12)), Black: 709#(and (<= t22 (+ x1 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= y1 y2) (<= (+ x1 1) t22) (<= y2 y1) (<= t11 y2)), Black: 928#(and (<= (+ y2 1) y1) (= x2 x1) (<= y1 (+ y2 1))), Black: 930#(and (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1)), Black: 931#(and (<= (+ x2 2) t21) (<= y1 y2) (<= y2 y1) (<= t21 (+ x2 2))), 725#true, Black: 963#(and (= y2 y1) (<= t12 y1) (= x2 x1) (<= y1 t12)), Black: 932#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= y1 y2) (<= y2 y1)), Black: 965#(and (<= (+ y2 1) y1) (<= t22 x1) (<= x1 (+ x2 1)) (<= t11 (+ y2 1)) (<= x1 t22) (<= (+ x2 1) x1) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), Black: 969#(and (<= (+ y2 1) y1) (<= t22 x1) (= x2 x1) (<= x1 t22) (<= y1 (+ y2 1))), Black: 941#(and (<= y1 y2) (<= x1 (+ x2 1)) (<= t11 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= (+ x2 1) t11)), Black: 945#(and (<= y1 y2) (<= x1 (+ x2 1)) (<= t11 (+ y2 1)) (<= (+ x2 1) x1) (<= (+ y2 1) t11) (<= y2 y1)), Black: 947#(and (<= (+ x2 2) t21) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= t21 (+ x2 2))), Black: 955#(and (<= (+ y2 1) y1) (<= x1 (+ x2 1)) (<= t11 (+ y2 1)) (<= (+ x2 1) x1) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), Black: 448#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 (+ y1 1))), Black: 957#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1)), Black: 449#(and (<= (+ y1 1) y2) (<= t21 x2) (<= y2 (+ y1 1)) (<= x2 t21)), Black: 927#(and (= y2 y1) (= x2 x1)), 993#true, Black: 467#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= t21 x2) (<= y2 (+ y1 1)) (<= x2 t21) (<= (+ y1 1) t12)), Black: 459#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= y2 (+ y1 1)) (<= (+ y1 1) t12)), Black: 1234#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1)), Black: 446#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y1 y2) (<= y2 y1)), Black: 463#(and (<= t22 (+ x1 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y1 y2) (<= (+ x1 1) t22) (<= y2 y1)), Black: 1240#(and (<= t21 (+ x2 1)) (<= t22 x1) (<= (+ x2 1) t21) (<= y1 y2) (<= x1 (+ x2 1)) (<= x1 t22) (<= (+ x2 1) x1) (<= y2 y1)), 486#true, Black: 1244#(and (<= t22 x1) (<= y1 y2) (= x2 x1) (<= x1 t22) (<= y2 y1)), Black: 1246#(and (= y2 y1) (<= t12 y1) (= x2 x1) (<= y1 t12)), 1257#true, Black: 210#(and (<= t21 (+ x2 1)) (<= (+ y1 1) y2) (<= (+ x2 1) t21) (<= y2 (+ y1 1))), Black: 217#(and (<= y1 y2) (<= x1 (+ x2 1)) (<= t11 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= (+ x2 1) t11)), Black: 233#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= y2 t11) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= t11 y2)), Black: 204#(and (= y2 y1) (= x2 x1)), Black: 221#(and (<= (+ y1 1) y2) (<= t12 (+ y1 1)) (<= x1 x2) (<= y2 (+ y1 1)) (<= x2 x1) (<= (+ y1 1) t12)), Black: 206#(and (<= y1 y2) (<= t11 (+ x2 1)) (<= y2 y1) (<= (+ x2 1) t11)), Black: 223#(and (<= t21 (+ x2 1)) (<= (+ y1 1) y2) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= x1 x2) (<= y2 (+ y1 1)) (<= x2 x1) (<= (+ y1 1) t12)), 248#true, Black: 755#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= (+ y1 1) t12))]) [2021-04-29 08:07:37,222 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-04-29 08:07:37,222 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-04-29 08:07:37,222 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-04-29 08:07:37,222 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-04-29 08:07:37,800 INFO L129 PetriNetUnfolder]: 2015/3520 cut-off events. [2021-04-29 08:07:37,800 INFO L130 PetriNetUnfolder]: For 237476/237758 co-relation queries the response was YES. [2021-04-29 08:07:37,863 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49081 conditions, 3520 events. 2015/3520 cut-off events. For 237476/237758 co-relation queries the response was YES. Maximal size of possible extension queue 385. Compared 23311 event pairs, 151 based on Foata normal form. 33/3471 useless extension candidates. Maximal degree in co-relation 48855. Up to 1271 conditions per place. [2021-04-29 08:07:37,914 INFO L146 LiptonReduction]: Number of co-enabled transitions 1216 [2021-04-29 08:07:38,635 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:07:38,635 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:07:38,635 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2025 [2021-04-29 08:07:38,636 INFO L480 AbstractCegarLoop]: Abstraction has has 519 places, 1557 transitions, 36325 flow [2021-04-29 08:07:38,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:38,636 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:07:38,636 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:07:38,637 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-04-29 08:07:38,637 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:07:38,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:07:38,637 INFO L82 PathProgramCache]: Analyzing trace with hash -757782866, now seen corresponding path program 26 times [2021-04-29 08:07:38,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:07:38,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370245810] [2021-04-29 08:07:38,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:07:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:07:38,660 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:07:38,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:07:38,674 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:07:38,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:07:38,690 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:07:38,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:07:38,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:38,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:38,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:38,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:38,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:38,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:07:38,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:38,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:38,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:38,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:07:38,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:38,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:07:38,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:38,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:07:38,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:38,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:38,871 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-04-29 08:07:38,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:07:38,906 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:07:38,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:07:38,944 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:07:38,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:38,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:07:38,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370245810] [2021-04-29 08:07:38,950 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:07:38,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-04-29 08:07:38,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239879911] [2021-04-29 08:07:38,951 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:07:38,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:07:38,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:07:38,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:07:38,953 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 61 [2021-04-29 08:07:38,953 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 519 places, 1557 transitions, 36325 flow. Second operand has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:38,953 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:07:38,954 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 61 [2021-04-29 08:07:38,954 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:07:43,853 INFO L129 PetriNetUnfolder]: 2599/4299 cut-off events. [2021-04-29 08:07:43,854 INFO L130 PetriNetUnfolder]: For 406350/406524 co-relation queries the response was YES. [2021-04-29 08:07:43,929 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67314 conditions, 4299 events. 2599/4299 cut-off events. For 406350/406524 co-relation queries the response was YES. Maximal size of possible extension queue 399. Compared 26568 event pairs, 345 based on Foata normal form. 44/4342 useless extension candidates. Maximal degree in co-relation 67077. Up to 3096 conditions per place. [2021-04-29 08:07:44,136 INFO L132 encePairwiseOnDemand]: 46/61 looper letters, 785 selfloop transitions, 940 changer transitions 4/1737 dead transitions. [2021-04-29 08:07:44,136 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 540 places, 1737 transitions, 44652 flow [2021-04-29 08:07:44,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-04-29 08:07:44,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-04-29 08:07:44,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 688 transitions. [2021-04-29 08:07:44,138 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5126676602086438 [2021-04-29 08:07:44,138 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 688 transitions. [2021-04-29 08:07:44,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 688 transitions. [2021-04-29 08:07:44,139 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:07:44,139 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 688 transitions. [2021-04-29 08:07:44,140 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 31.272727272727273) internal successors, (688), 22 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:44,142 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 61.0) internal successors, (1403), 23 states have internal predecessors, (1403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:44,142 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 61.0) internal successors, (1403), 23 states have internal predecessors, (1403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:44,142 INFO L185 Difference]: Start difference. First operand has 519 places, 1557 transitions, 36325 flow. Second operand 22 states and 688 transitions. [2021-04-29 08:07:44,142 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 540 places, 1737 transitions, 44652 flow [2021-04-29 08:07:45,916 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 532 places, 1737 transitions, 43739 flow, removed 408 selfloop flow, removed 8 redundant places. [2021-04-29 08:07:45,959 INFO L241 Difference]: Finished difference. Result has 542 places, 1696 transitions, 41468 flow [2021-04-29 08:07:45,960 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=35436, PETRI_DIFFERENCE_MINUEND_PLACES=511, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1557, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=806, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=744, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=41468, PETRI_PLACES=542, PETRI_TRANSITIONS=1696} [2021-04-29 08:07:45,961 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 490 predicate places. [2021-04-29 08:07:45,961 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:07:45,961 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 542 places, 1696 transitions, 41468 flow [2021-04-29 08:07:45,961 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 542 places, 1696 transitions, 41468 flow [2021-04-29 08:07:45,984 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 541 places, 1696 transitions, 41468 flow [2021-04-29 08:07:46,925 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([123] L63-->thread4EXIT: Formula: (= v_t22_7 v_x2_11) InVars {t22=v_t22_7} OutVars{x2=v_x2_11, t22=v_t22_7} AuxVars[] AssignedVars[x2][832], [8#L73true, Black: 1010#(and (= y2 y1) (<= t12 (+ y1 1)) (= x2 x1) (<= (+ y1 1) t12)), Black: 995#(and (= y2 y1) (= x2 x1)), Black: 1028#(and (<= y2 t11) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= t11 y2)), Black: 999#(and (<= t12 (+ y1 1)) (<= x1 x2) (<= x2 x1) (<= (+ y1 1) t12)), Black: 1000#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= (+ y1 1) t12)), 15#thread1EXITtrue, Black: 496#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= t11 y2)), Black: 1018#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= (+ y1 1) t12)), Black: 1002#(and (<= (+ y1 1) y2) (<= x1 (+ x2 1)) (<= y2 (+ y1 1)) (<= (+ x2 1) x1)), Black: 514#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= (+ y1 1) t12)), Black: 1020#(and (<= t21 (+ x2 1)) (<= (+ y1 1) y2) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= x1 (+ x2 1)) (<= y2 (+ y1 1)) (<= (+ x2 1) x1) (<= (+ y1 1) t12)), Black: 516#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= t11 y2) (<= (+ y1 1) t12)), Black: 504#(and (= y2 y1) (<= t12 (+ y1 1)) (= x2 x1) (<= (+ y1 1) t12)), 1043#true, Black: 488#(and (= y2 y1) (= x2 x1)), Black: 508#(and (<= t22 (+ x1 1)) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= x1 x2) (<= x2 x1) (<= (+ y1 1) t12)), Black: 492#(and (<= t12 (+ y1 1)) (<= x1 x2) (<= x2 x1) (<= (+ y1 1) t12)), Black: 493#(and (<= t22 (+ x1 1)) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= (+ y1 1) t12)), 537#true, 41#L52true, 43#L41true, 51#thread4EXITtrue, Black: 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1) y2) (<= t21 x2) (<= y2 (+ y1 1)) (<= x2 t21)), Black: 467#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= t21 x2) (<= y2 (+ y1 1)) (<= x2 t21) (<= (+ y1 1) t12)), 993#true, Black: 459#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= y2 (+ y1 1)) (<= (+ y1 1) t12)), Black: 446#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y1 y2) (<= y2 y1)), Black: 463#(and (<= t22 (+ x1 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y1 y2) (<= (+ x1 1) t22) (<= y2 y1)), 486#true]) [2021-04-29 08:07:46,926 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-04-29 08:07:46,926 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-04-29 08:07:46,926 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-04-29 08:07:46,926 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-04-29 08:07:46,935 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([123] L63-->thread4EXIT: Formula: (= v_t22_7 v_x2_11) InVars {t22=v_t22_7} OutVars{x2=v_x2_11, t22=v_t22_7} AuxVars[] AssignedVars[x2][832], [8#L73true, Black: 1010#(and (= y2 y1) (<= t12 (+ y1 1)) (= x2 x1) (<= (+ y1 1) t12)), Black: 995#(and (= y2 y1) (= x2 x1)), Black: 1028#(and (<= y2 t11) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= t11 y2)), Black: 999#(and (<= t12 (+ y1 1)) (<= x1 x2) (<= x2 x1) (<= (+ y1 1) t12)), Black: 1000#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= (+ y1 1) t12)), 15#thread1EXITtrue, Black: 1018#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= (+ y1 1) t12)), Black: 496#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= t11 y2)), Black: 1002#(and (<= (+ y1 1) y2) (<= x1 (+ x2 1)) (<= y2 (+ y1 1)) (<= (+ x2 1) x1)), Black: 514#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) 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y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= t21 x2) (<= y2 (+ y1 1)) (<= x2 t21) (<= (+ y1 1) t12)), 993#true, Black: 459#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= y2 (+ y1 1)) (<= (+ y1 1) t12)), Black: 446#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y1 y2) (<= y2 y1)), Black: 463#(and (<= t22 (+ x1 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y1 y2) (<= (+ x1 1) t22) (<= y2 y1)), 486#true]) [2021-04-29 08:07:46,935 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-04-29 08:07:46,935 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-04-29 08:07:46,935 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-04-29 08:07:46,935 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-04-29 08:07:46,935 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-04-29 08:07:46,958 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([123] L63-->thread4EXIT: Formula: (= v_t22_7 v_x2_11) InVars {t22=v_t22_7} OutVars{x2=v_x2_11, t22=v_t22_7} AuxVars[] AssignedVars[x2][832], [8#L73true, Black: 1010#(and (= y2 y1) (<= t12 (+ y1 1)) (= x2 x1) (<= (+ y1 1) t12)), Black: 995#(and (= y2 y1) (= x2 x1)), Black: 1028#(and (<= y2 t11) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= t11 y2)), Black: 999#(and (<= t12 (+ y1 1)) (<= x1 x2) (<= x2 x1) (<= (+ y1 1) t12)), Black: 1000#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= (+ y1 1) t12)), Black: 496#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= t11 y2)), Black: 1018#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= (+ y1 1) t12)), 16#L30true, Black: 1002#(and (<= (+ y1 1) y2) (<= x1 (+ x2 1)) (<= y2 (+ y1 1)) (<= (+ x2 1) x1)), Black: 514#(and (<= t22 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t21)), Black: 467#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= t21 x2) (<= y2 (+ y1 1)) (<= x2 t21) (<= (+ y1 1) t12)), 993#true, Black: 459#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= y2 (+ y1 1)) (<= (+ y1 1) t12)), Black: 446#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y1 y2) (<= y2 y1)), Black: 463#(and (<= t22 (+ x1 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y1 y2) (<= (+ x1 1) t22) (<= y2 y1)), 486#true]) [2021-04-29 08:07:46,958 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-04-29 08:07:46,958 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-04-29 08:07:46,958 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-04-29 08:07:46,958 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-04-29 08:07:47,161 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([123] L63-->thread4EXIT: Formula: (= v_t22_7 v_x2_11) InVars {t22=v_t22_7} OutVars{x2=v_x2_11, t22=v_t22_7} AuxVars[] AssignedVars[x2][832], [8#L73true, Black: 1010#(and (= y2 y1) (<= t12 (+ y1 1)) (= x2 x1) (<= (+ y1 1) t12)), Black: 995#(and (= y2 y1) (= x2 x1)), Black: 1028#(and (<= y2 t11) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= t11 y2)), Black: 999#(and (<= t12 (+ y1 1)) (<= x1 x2) (<= x2 x1) (<= (+ y1 1) t12)), Black: 1000#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= (+ y1 1) t12)), Black: 1018#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= (+ y1 1) t12)), Black: 496#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= t11 y2)), 16#L30true, Black: 1002#(and (<= (+ y1 1) y2) (<= x1 (+ x2 1)) (<= y2 (+ y1 1)) (<= (+ x2 1) x1)), Black: 514#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) 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774#(and (= y2 y1) (= x2 x1)), Black: 806#(and (<= t22 (+ x1 1)) (< x1 (+ x2 1)) (<= (+ y1 1) y2) (<= y2 t11) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= x2 x1) (<= t11 y2) (<= (+ y1 1) t12)), Black: 792#(and (<= t22 (+ x1 1)) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= y2 y1)), Black: 810#(and (<= t22 (+ x1 1)) (<= y2 t11) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= y2 y1) (<= t11 y2)), Black: 778#(and (<= t22 (+ x1 1)) (<= y1 y2) (<= (+ x1 1) t22) (<= y2 y1)), Black: 812#(and (< x1 (+ x2 1)) (<= (+ y1 1) y2) (<= t21 x2) (<= y2 (+ y1 1)) (<= x2 x1) (<= x2 t21)), 827#true, Black: 1312#(and (= y2 y1) (= x2 x1)), Black: 1331#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1)), Black: 1347#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= y2 t11) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= t11 y2)), Black: 1333#(and (<= t21 (+ x2 1)) (<= (+ y1 1) y2) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= y2 (+ y1 1)) (<= (+ y1 1) t12)), Black: 1335#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= (+ y1 1) t12)), Black: 1337#(and (<= t21 (+ x2 1)) (<= t22 x1) (<= (+ x2 1) t21) (<= y1 y2) (<= x1 (+ x2 1)) (<= x1 t22) (<= (+ x2 1) x1) (<= y2 y1)), Black: 322#(and (<= t22 (+ x1 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= (+ x1 1) t22) (<= t11 y2)), Black: 1339#(and (<= t21 (+ x2 1)) (<= (+ y1 1) y2) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= x1 (+ x2 1)) (<= y2 (+ y1 1)) (<= (+ x2 1) x1) (<= (+ y1 1) t12)), Black: 1327#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= y1 y2) (= x2 x1) (<= y2 y1)), Black: 312#(and (<= (+ y1 1) y2) (<= t12 (+ y1 1)) (<= x1 x2) (<= y2 (+ y1 1)) (<= x2 x1) (<= (+ y1 1) t12)), 1360#true, Black: 314#(and (<= (+ y1 1) y2) (<= y2 t11) (<= t12 (+ y1 1)) (<= x1 x2) (<= y2 (+ y1 1)) (<= x2 x1) (<= t11 y2) (<= (+ y1 1) t12)), Black: 318#(and (= y2 y1) (<= y2 t11) (= x2 x1) (<= t11 y2)), 339#true, Black: 849#(and (<= t22 (+ x1 1)) 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t12)), Black: 361#(and (<= t22 (+ x1 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y1 y2) (<= (+ x1 1) t22) (<= t21 x2) (<= y2 y1) (<= x2 t21)), Black: 1398#(and (<= (+ y1 1) y2) (<= t22 x1) (<= t12 (+ y1 1)) (<= x1 x2) (<= y2 (+ y1 1)) (<= x1 t22) (<= x2 x1) (<= (+ y1 1) t12)), Black: 365#(and (<= y1 y2) (<= t21 x2) (= x2 x1) (<= y2 y1) (<= x2 t21)), Black: 1384#(and (<= (+ y1 1) y2) (<= y2 t11) (<= t12 (+ y1 1)) (<= x1 x2) (<= y2 (+ y1 1)) (<= x2 x1) (<= t11 y2) (<= (+ y1 1) t12)), Black: 1400#(and (<= (+ y1 1) y2) (<= t22 x1) (<= y2 t11) (<= t12 (+ y1 1)) (<= x1 x2) (<= y2 (+ y1 1)) (<= x1 t22) (<= x2 x1) (<= t11 y2) (<= (+ y1 1) t12)), Black: 367#(and (<= (+ y1 1) y2) (<= t12 (+ y1 1)) (<= t21 x2) (<= y2 (+ y1 1)) (<= x2 t21) (<= (+ y1 1) t12)), 386#true, Black: 1386#(and (<= t21 (+ x2 1)) (<= (+ y1 1) y2) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= x1 x2) (<= y2 (+ y1 1)) (<= x2 x1) (<= (+ y1 1) t12)), Black: 1371#(and (< x2 (+ x1 1)) (<= (+ y1 1) y2) (<= x1 x2) (<= y2 (+ y1 1))), Black: 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y2) (<= (+ x1 1) t22) (<= y2 y1)), 925#true, Black: 420#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= (+ x1 1) t22) (<= t21 x2) (<= y2 (+ y1 1)) (<= x2 t21)), Black: 408#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= (+ x1 1) t22) (<= y2 (+ y1 1))), Black: 393#(and (<= (+ y1 1) y2) (<= x1 x2) (<= y2 (+ y1 1)) (<= x2 x1)), Black: 410#(and (<= (+ y1 1) y2) (<= t12 (+ y1 1)) (<= x1 x2) (<= y2 (+ y1 1)) (<= x2 x1) (<= (+ y1 1) t12)), Black: 395#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 (+ y1 1))), 439#true, Black: 928#(and (<= (+ y2 1) y1) (= x2 x1) (<= y1 (+ y2 1))), Black: 930#(and (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1)), Black: 931#(and (<= (+ x2 2) t21) (<= y1 y2) (<= y2 y1) (<= t21 (+ x2 2))), Black: 963#(and (= y2 y1) (<= t12 y1) (= x2 x1) (<= y1 t12)), Black: 932#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= y1 y2) (<= y2 y1)), Black: 965#(and (<= (+ y2 1) y1) (<= t22 x1) (<= x1 (+ x2 1)) (<= t11 (+ y2 1)) (<= x1 t22) (<= (+ x2 1) x1) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), Black: 969#(and (<= (+ y2 1) y1) (<= t22 x1) (= x2 x1) (<= x1 t22) (<= y1 (+ y2 1))), Black: 941#(and (<= y1 y2) (<= x1 (+ x2 1)) (<= t11 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= (+ x2 1) t11)), Black: 945#(and (<= y1 y2) (<= x1 (+ x2 1)) (<= t11 (+ y2 1)) (<= (+ x2 1) x1) (<= (+ y2 1) t11) (<= y2 y1)), Black: 947#(and (<= (+ x2 2) t21) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= t21 (+ x2 2))), Black: 955#(and (<= (+ y2 1) y1) (<= x1 (+ x2 1)) (<= t11 (+ y2 1)) (<= (+ x2 1) x1) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), Black: 448#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 (+ y1 1))), Black: 957#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1)), Black: 927#(and (= y2 y1) (= x2 x1)), Black: 449#(and (<= (+ y1 1) y2) (<= t21 x2) (<= y2 (+ y1 1)) (<= x2 t21)), 993#true, Black: 467#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= t21 x2) (<= y2 (+ y1 1)) (<= x2 t21) (<= (+ y1 1) t12)), Black: 459#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= y2 (+ y1 1)) (<= (+ y1 1) t12)), Black: 446#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y1 y2) (<= y2 y1)), Black: 463#(and (<= t22 (+ x1 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y1 y2) (<= (+ x1 1) t22) (<= y2 y1)), 486#true]) [2021-04-29 08:07:47,161 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is not cut-off event [2021-04-29 08:07:47,161 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-04-29 08:07:47,161 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-04-29 08:07:47,161 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-04-29 08:07:47,354 INFO L129 PetriNetUnfolder]: 2196/3806 cut-off events. [2021-04-29 08:07:47,355 INFO L130 PetriNetUnfolder]: For 306400/306881 co-relation queries the response was YES. [2021-04-29 08:07:47,432 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56720 conditions, 3806 events. 2196/3806 cut-off events. For 306400/306881 co-relation queries the response was YES. Maximal size of possible extension queue 406. Compared 25236 event pairs, 154 based on Foata normal form. 60/3763 useless extension candidates. Maximal degree in co-relation 56513. Up to 1396 conditions per place. [2021-04-29 08:07:47,726 INFO L146 LiptonReduction]: Number of co-enabled transitions 1240 [2021-04-29 08:07:48,263 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:07:48,264 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:07:48,264 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2303 [2021-04-29 08:07:48,264 INFO L480 AbstractCegarLoop]: Abstraction has has 541 places, 1696 transitions, 41468 flow [2021-04-29 08:07:48,265 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.153846153846153) internal successors, (353), 13 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:48,265 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:07:48,265 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:07:48,265 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-04-29 08:07:48,265 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:07:48,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:07:48,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1850141436, now seen corresponding path program 27 times [2021-04-29 08:07:48,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:07:48,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869349270] [2021-04-29 08:07:48,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:07:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:07:48,286 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:07:48,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:07:48,293 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:07:48,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:07:48,303 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:07:48,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:07:48,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:48,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:48,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:48,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:48,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:48,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:07:48,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:48,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:48,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:48,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:48,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:48,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:07:48,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:48,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:48,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:48,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:48,441 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-04-29 08:07:48,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:07:48,449 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:07:48,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:07:48,478 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:07:48,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:48,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:07:48,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869349270] [2021-04-29 08:07:48,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:07:48,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 08:07:48,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501290846] [2021-04-29 08:07:48,484 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 08:07:48,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:07:48,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 08:07:48,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-04-29 08:07:48,485 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 61 [2021-04-29 08:07:48,486 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 541 places, 1696 transitions, 41468 flow. Second operand has 11 states, 11 states have (on average 27.363636363636363) internal successors, (301), 11 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:48,486 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:07:48,486 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 61 [2021-04-29 08:07:48,486 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:07:53,346 INFO L129 PetriNetUnfolder]: 2640/4371 cut-off events. [2021-04-29 08:07:53,346 INFO L130 PetriNetUnfolder]: For 451651/451969 co-relation queries the response was YES. [2021-04-29 08:07:53,418 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71594 conditions, 4371 events. 2640/4371 cut-off events. For 451651/451969 co-relation queries the response was YES. Maximal size of possible extension queue 419. Compared 27156 event pairs, 454 based on Foata normal form. 51/4421 useless extension candidates. Maximal degree in co-relation 71384. Up to 3868 conditions per place. [2021-04-29 08:07:53,642 INFO L132 encePairwiseOnDemand]: 46/61 looper letters, 1305 selfloop transitions, 442 changer transitions 2/1757 dead transitions. [2021-04-29 08:07:53,643 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 562 places, 1757 transitions, 46736 flow [2021-04-29 08:07:53,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-04-29 08:07:53,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-04-29 08:07:53,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 682 transitions. [2021-04-29 08:07:53,645 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5081967213114754 [2021-04-29 08:07:53,645 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 682 transitions. [2021-04-29 08:07:53,645 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 682 transitions. [2021-04-29 08:07:53,645 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:07:53,645 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 682 transitions. [2021-04-29 08:07:53,646 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 31.0) internal successors, (682), 22 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:53,647 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 61.0) internal successors, (1403), 23 states have internal predecessors, (1403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:53,648 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 61.0) internal successors, (1403), 23 states have internal predecessors, (1403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:53,648 INFO L185 Difference]: Start difference. First operand has 541 places, 1696 transitions, 41468 flow. Second operand 22 states and 682 transitions. [2021-04-29 08:07:53,648 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 562 places, 1757 transitions, 46736 flow [2021-04-29 08:07:56,601 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 554 places, 1757 transitions, 45533 flow, removed 527 selfloop flow, removed 8 redundant places. [2021-04-29 08:07:56,653 INFO L241 Difference]: Finished difference. Result has 560 places, 1744 transitions, 42501 flow [2021-04-29 08:07:56,655 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=40286, PETRI_DIFFERENCE_MINUEND_PLACES=533, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1696, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=397, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=42501, PETRI_PLACES=560, PETRI_TRANSITIONS=1744} [2021-04-29 08:07:56,655 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 508 predicate places. [2021-04-29 08:07:56,655 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:07:56,656 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 560 places, 1744 transitions, 42501 flow [2021-04-29 08:07:56,656 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 560 places, 1744 transitions, 42501 flow [2021-04-29 08:07:56,686 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 559 places, 1744 transitions, 42501 flow [2021-04-29 08:07:58,246 INFO L129 PetriNetUnfolder]: 2262/3910 cut-off events. [2021-04-29 08:07:58,247 INFO L130 PetriNetUnfolder]: For 308779/309277 co-relation queries the response was YES. [2021-04-29 08:07:58,315 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57279 conditions, 3910 events. 2262/3910 cut-off events. For 308779/309277 co-relation queries the response was YES. Maximal size of possible extension queue 417. Compared 26119 event pairs, 169 based on Foata normal form. 44/3845 useless extension candidates. Maximal degree in co-relation 57042. Up to 1350 conditions per place. [2021-04-29 08:07:58,375 INFO L146 LiptonReduction]: Number of co-enabled transitions 1324 [2021-04-29 08:07:58,998 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:07:58,998 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:07:58,998 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2343 [2021-04-29 08:07:58,999 INFO L480 AbstractCegarLoop]: Abstraction has has 559 places, 1744 transitions, 42501 flow [2021-04-29 08:07:58,999 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.363636363636363) internal successors, (301), 11 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:58,999 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:07:58,999 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:07:58,999 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-04-29 08:07:59,000 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:07:59,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:07:59,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1685665136, now seen corresponding path program 28 times [2021-04-29 08:07:59,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:07:59,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075617842] [2021-04-29 08:07:59,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:07:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:07:59,022 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:07:59,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:07:59,029 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:07:59,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:07:59,040 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:07:59,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:07:59,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:59,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:59,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:59,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:59,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:59,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:07:59,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:59,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:59,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:59,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:07:59,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:07:59,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:07:59,135 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:07:59,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:07:59,140 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-04-29 08:07:59,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:07:59,164 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:07:59,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:07:59,188 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:07:59,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:07:59,221 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:07:59,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:07:59,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:07:59,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075617842] [2021-04-29 08:07:59,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:07:59,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:07:59,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741234856] [2021-04-29 08:07:59,226 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:07:59,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:07:59,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:07:59,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:07:59,227 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 61 [2021-04-29 08:07:59,227 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 559 places, 1744 transitions, 42501 flow. Second operand has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:07:59,227 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:07:59,228 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 61 [2021-04-29 08:07:59,228 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:08:03,348 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 19 [2021-04-29 08:08:06,081 INFO L129 PetriNetUnfolder]: 2685/4476 cut-off events. [2021-04-29 08:08:06,082 INFO L130 PetriNetUnfolder]: For 446407/446603 co-relation queries the response was YES. [2021-04-29 08:08:06,156 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72352 conditions, 4476 events. 2685/4476 cut-off events. For 446407/446603 co-relation queries the response was YES. Maximal size of possible extension queue 429. Compared 28160 event pairs, 436 based on Foata normal form. 45/4520 useless extension candidates. Maximal degree in co-relation 72104. Up to 3648 conditions per place. [2021-04-29 08:08:06,190 INFO L132 encePairwiseOnDemand]: 46/61 looper letters, 1101 selfloop transitions, 736 changer transitions 11/1856 dead transitions. [2021-04-29 08:08:06,190 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 594 places, 1856 transitions, 49844 flow [2021-04-29 08:08:06,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-04-29 08:08:06,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2021-04-29 08:08:06,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 1124 transitions. [2021-04-29 08:08:06,192 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.51183970856102 [2021-04-29 08:08:06,193 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 1124 transitions. [2021-04-29 08:08:06,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 1124 transitions. [2021-04-29 08:08:06,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:08:06,194 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 1124 transitions. [2021-04-29 08:08:06,196 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 31.22222222222222) internal successors, (1124), 36 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:08:06,198 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 37 states, 37 states have (on average 61.0) internal successors, (2257), 37 states have internal predecessors, (2257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:08:06,199 INFO L81 ComplementDD]: Finished complementDD. Result has 37 states, 37 states have (on average 61.0) internal successors, (2257), 37 states have internal predecessors, (2257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:08:06,199 INFO L185 Difference]: Start difference. First operand has 559 places, 1744 transitions, 42501 flow. Second operand 36 states and 1124 transitions. [2021-04-29 08:08:06,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 594 places, 1856 transitions, 49844 flow [2021-04-29 08:08:08,890 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 583 places, 1856 transitions, 48510 flow, removed 442 selfloop flow, removed 11 redundant places. [2021-04-29 08:08:08,947 INFO L241 Difference]: Finished difference. Result has 594 places, 1821 transitions, 45977 flow [2021-04-29 08:08:08,949 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=41399, PETRI_DIFFERENCE_MINUEND_PLACES=548, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1744, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=659, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1033, PETRI_DIFFERENCE_SUBTRAHEND_STATES=36, PETRI_FLOW=45977, PETRI_PLACES=594, PETRI_TRANSITIONS=1821} [2021-04-29 08:08:08,949 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 542 predicate places. [2021-04-29 08:08:08,950 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:08:08,950 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 594 places, 1821 transitions, 45977 flow [2021-04-29 08:08:08,950 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 594 places, 1821 transitions, 45977 flow [2021-04-29 08:08:08,974 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 592 places, 1821 transitions, 45977 flow [2021-04-29 08:08:10,871 INFO L129 PetriNetUnfolder]: 2311/4003 cut-off events. [2021-04-29 08:08:10,871 INFO L130 PetriNetUnfolder]: For 312430/312858 co-relation queries the response was YES. [2021-04-29 08:08:11,030 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59807 conditions, 4003 events. 2311/4003 cut-off events. For 312430/312858 co-relation queries the response was YES. Maximal size of possible extension queue 421. Compared 26866 event pairs, 145 based on Foata normal form. 49/3950 useless extension candidates. Maximal degree in co-relation 59561. Up to 1391 conditions per place. [2021-04-29 08:08:11,098 INFO L146 LiptonReduction]: Number of co-enabled transitions 1370 [2021-04-29 08:08:13,470 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:08:13,470 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-29 08:08:13,470 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4520 [2021-04-29 08:08:13,471 INFO L480 AbstractCegarLoop]: Abstraction has has 593 places, 1822 transitions, 45981 flow [2021-04-29 08:08:13,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:08:13,471 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:08:13,472 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, 1] [2021-04-29 08:08:13,472 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-04-29 08:08:13,472 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:08:13,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:08:13,472 INFO L82 PathProgramCache]: Analyzing trace with hash 151458290, now seen corresponding path program 29 times [2021-04-29 08:08:13,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:08:13,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069124557] [2021-04-29 08:08:13,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:08:13,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:08:13,501 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:08:13,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:08:13,509 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:08:13,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:08:13,521 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:08:13,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:08:13,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:13,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:08:13,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:13,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:08:13,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:13,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:08:13,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:13,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:08:13,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:13,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:08:13,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:13,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:08:13,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:13,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:08:13,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:13,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:08:13,715 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-04-29 08:08:13,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:13,725 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:08:13,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:08:13,760 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:08:13,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:08:13,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:08:13,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069124557] [2021-04-29 08:08:13,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:08:13,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:08:13,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832590317] [2021-04-29 08:08:13,767 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:08:13,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:08:13,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:08:13,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:08:13,769 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:08:13,770 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 593 places, 1822 transitions, 45981 flow. Second operand has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:08:13,770 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:08:13,770 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:08:13,770 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:08:20,194 INFO L129 PetriNetUnfolder]: 2734/4548 cut-off events. [2021-04-29 08:08:20,194 INFO L130 PetriNetUnfolder]: For 454510/454616 co-relation queries the response was YES. [2021-04-29 08:08:20,273 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75154 conditions, 4548 events. 2734/4548 cut-off events. For 454510/454616 co-relation queries the response was YES. Maximal size of possible extension queue 439. Compared 28705 event pairs, 466 based on Foata normal form. 23/4569 useless extension candidates. Maximal degree in co-relation 74902. Up to 3983 conditions per place. [2021-04-29 08:08:20,309 INFO L132 encePairwiseOnDemand]: 46/62 looper letters, 1384 selfloop transitions, 521 changer transitions 3/1916 dead transitions. [2021-04-29 08:08:20,309 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 614 places, 1916 transitions, 52565 flow [2021-04-29 08:08:20,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-04-29 08:08:20,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-04-29 08:08:20,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 684 transitions. [2021-04-29 08:08:20,311 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.501466275659824 [2021-04-29 08:08:20,311 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 684 transitions. [2021-04-29 08:08:20,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 684 transitions. [2021-04-29 08:08:20,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:08:20,311 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 684 transitions. [2021-04-29 08:08:20,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 31.09090909090909) internal successors, (684), 22 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:08:20,313 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 62.0) internal successors, (1426), 23 states have internal predecessors, (1426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:08:20,313 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 62.0) internal successors, (1426), 23 states have internal predecessors, (1426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:08:20,313 INFO L185 Difference]: Start difference. First operand has 593 places, 1822 transitions, 45981 flow. Second operand 22 states and 684 transitions. [2021-04-29 08:08:20,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 614 places, 1916 transitions, 52565 flow [2021-04-29 08:08:23,034 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 597 places, 1916 transitions, 51307 flow, removed 318 selfloop flow, removed 17 redundant places. [2021-04-29 08:08:23,084 INFO L241 Difference]: Finished difference. Result has 601 places, 1895 transitions, 48127 flow [2021-04-29 08:08:23,086 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=44775, PETRI_DIFFERENCE_MINUEND_PLACES=576, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1822, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=450, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1323, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=48127, PETRI_PLACES=601, PETRI_TRANSITIONS=1895} [2021-04-29 08:08:23,086 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 549 predicate places. [2021-04-29 08:08:23,086 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:08:23,087 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 601 places, 1895 transitions, 48127 flow [2021-04-29 08:08:23,087 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 601 places, 1895 transitions, 48127 flow [2021-04-29 08:08:23,110 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 599 places, 1895 transitions, 48127 flow [2021-04-29 08:08:24,633 INFO L129 PetriNetUnfolder]: 2307/4028 cut-off events. [2021-04-29 08:08:24,634 INFO L130 PetriNetUnfolder]: For 324142/324809 co-relation queries the response was YES. [2021-04-29 08:08:24,709 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61184 conditions, 4028 events. 2307/4028 cut-off events. For 324142/324809 co-relation queries the response was YES. Maximal size of possible extension queue 426. Compared 27298 event pairs, 200 based on Foata normal form. 83/4036 useless extension candidates. Maximal degree in co-relation 60934. Up to 1311 conditions per place. [2021-04-29 08:08:24,766 INFO L146 LiptonReduction]: Number of co-enabled transitions 1412 [2021-04-29 08:08:25,469 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:08:25,469 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:08:25,469 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2383 [2021-04-29 08:08:25,469 INFO L480 AbstractCegarLoop]: Abstraction has has 599 places, 1895 transitions, 48127 flow [2021-04-29 08:08:25,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.25) internal successors, (327), 12 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:08:25,470 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:08:25,470 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] [2021-04-29 08:08:25,470 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-04-29 08:08:25,470 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:08:25,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:08:25,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1056403180, now seen corresponding path program 1 times [2021-04-29 08:08:25,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:08:25,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795225591] [2021-04-29 08:08:25,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:08:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:08:25,490 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:08:25,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:08:25,503 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:08:25,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:08:25,514 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:08:25,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:08:25,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:25,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:08:25,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:25,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:08:25,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:25,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:08:25,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:25,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:08:25,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:25,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:08:25,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:25,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:08:25,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:25,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:08:25,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:25,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:08:25,932 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:08:25,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:08:25,966 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:08:25,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:08:25,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:08:25,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795225591] [2021-04-29 08:08:25,972 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:08:25,972 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-04-29 08:08:25,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501325024] [2021-04-29 08:08:25,972 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:08:25,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:08:25,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:08:25,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:08:25,974 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:08:25,974 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 599 places, 1895 transitions, 48127 flow. Second operand has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:08:25,975 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:08:25,975 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:08:25,975 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:08:30,615 INFO L129 PetriNetUnfolder]: 2756/4586 cut-off events. [2021-04-29 08:08:30,616 INFO L130 PetriNetUnfolder]: For 469232/469432 co-relation queries the response was YES. [2021-04-29 08:08:30,702 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76295 conditions, 4586 events. 2756/4586 cut-off events. For 469232/469432 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 29049 event pairs, 445 based on Foata normal form. 43/4628 useless extension candidates. Maximal degree in co-relation 76039. Up to 4110 conditions per place. [2021-04-29 08:08:30,739 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1517 selfloop transitions, 393 changer transitions 6/1924 dead transitions. [2021-04-29 08:08:30,739 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 615 places, 1924 transitions, 53276 flow [2021-04-29 08:08:30,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-04-29 08:08:30,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-04-29 08:08:30,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 521 transitions. [2021-04-29 08:08:30,740 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49430740037950666 [2021-04-29 08:08:30,740 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 521 transitions. [2021-04-29 08:08:30,740 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 521 transitions. [2021-04-29 08:08:30,741 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:08:30,741 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 521 transitions. [2021-04-29 08:08:30,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 30.647058823529413) internal successors, (521), 17 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:08:30,742 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 62.0) internal successors, (1116), 18 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:08:30,742 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 62.0) internal successors, (1116), 18 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:08:30,743 INFO L185 Difference]: Start difference. First operand has 599 places, 1895 transitions, 48127 flow. Second operand 17 states and 521 transitions. [2021-04-29 08:08:30,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 615 places, 1924 transitions, 53276 flow [2021-04-29 08:08:33,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 604 places, 1924 transitions, 52218 flow, removed 248 selfloop flow, removed 11 redundant places. [2021-04-29 08:08:33,429 INFO L241 Difference]: Finished difference. Result has 614 places, 1907 transitions, 48263 flow [2021-04-29 08:08:33,431 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=47085, PETRI_DIFFERENCE_MINUEND_PLACES=588, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1895, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=382, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1504, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=48263, PETRI_PLACES=614, PETRI_TRANSITIONS=1907} [2021-04-29 08:08:33,431 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 562 predicate places. [2021-04-29 08:08:33,432 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:08:33,432 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 614 places, 1907 transitions, 48263 flow [2021-04-29 08:08:33,432 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 614 places, 1907 transitions, 48263 flow [2021-04-29 08:08:33,461 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 610 places, 1907 transitions, 48263 flow [2021-04-29 08:08:34,154 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([123] L63-->thread4EXIT: Formula: (= v_t22_7 v_x2_11) InVars {t22=v_t22_7} OutVars{x2=v_x2_11, t22=v_t22_7} AuxVars[] AssignedVars[x2][635], [Black: 1519#(and (<= t22 (+ x1 1)) (<= t12 t11) (<= y2 t11) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= y2 y1) (<= t11 y2) (<= t11 t12)), Black: 1487#(and (<= (+ y2 1) y1) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), 1539#true, 8#L73true, Black: 1010#(and (= y2 y1) (<= t12 (+ y1 1)) (= x2 x1) (<= (+ y1 1) t12)), Black: 995#(and (= y2 y1) (= x2 x1)), Black: 1028#(and (<= y2 t11) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= t11 y2)), Black: 999#(and (<= t12 (+ y1 1)) (<= x1 x2) (<= x2 x1) (<= (+ y1 1) t12)), Black: 1000#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= (+ y1 1) t12)), 15#thread1EXITtrue, Black: 1018#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= (+ y1 1) t12)), Black: 496#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= t11 y2)), Black: 1002#(and (<= (+ y1 1) y2) (<= x1 (+ x2 1)) (<= y2 (+ y1 1)) (<= (+ x2 1) x1)), Black: 514#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= (+ y1 1) t12)), Black: 516#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= t11 y2) (<= (+ y1 1) t12)), 18#L50true, Black: 1020#(and (<= t21 (+ x2 1)) (<= (+ y1 1) y2) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= x1 (+ x2 1)) (<= y2 (+ y1 1)) (<= (+ x2 1) x1) (<= (+ y1 1) t12)), Black: 504#(and (= y2 y1) (<= t12 (+ y1 1)) (= x2 x1) (<= (+ y1 1) t12)), 1043#true, Black: 488#(and (= y2 y1) (= x2 x1)), Black: 508#(and (<= t22 (+ x1 1)) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= x1 x2) (<= x2 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x2 t21)), Black: 1501#(and (< x1 (+ x2 1)) (<= t12 t11) (<= y2 t11) (<= x2 x1) (<= t11 y2) (<= t11 t12)), Black: 1485#(and (<= t22 (+ x1 1)) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y2 y1))]) [2021-04-29 08:08:34,154 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-04-29 08:08:34,154 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-04-29 08:08:34,154 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-04-29 08:08:34,154 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-04-29 08:08:34,155 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([128] L41-->thread2EXIT: Formula: (= v_x1_22 v_t21_15) InVars {t21=v_t21_15} OutVars{x1=v_x1_22, t21=v_t21_15} AuxVars[] AssignedVars[x1][825], [Black: 1519#(and (<= t22 (+ x1 1)) (<= t12 t11) (<= y2 t11) (<= 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y2) (<= t21 x2) (<= y2 (+ y1 1)) (<= x2 x1) (<= x2 t21)), Black: 879#(and (<= t22 (+ x1 1)) (<= y1 y2) (<= (+ x1 1) t22) (<= y2 y1)), 925#true, Black: 1440#(and (<= (+ y2 1) y1) (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= t12 y1) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y1 t12) (<= y1 (+ y2 1))), Black: 1446#(and (<= (+ y2 1) y1) (<= t22 t21) (<= t21 x2) (<= t21 t22) (<= x2 t21) (<= y1 (+ y2 1))), Black: 420#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= (+ x1 1) t22) (<= t21 x2) (<= y2 (+ y1 1)) (<= x2 t21)), Black: 1434#(and (<= (+ y2 1) y1) (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), Black: 1450#(and (<= (+ y2 1) y1) (<= t22 t21) (<= t21 x2) (= x2 x1) (<= t21 t22) (<= x2 t21) (<= y1 (+ y2 1))), Black: 408#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= (+ x1 1) t22) (<= y2 (+ y1 1))), Black: 1419#(and (<= (+ y2 1) y1) (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= y1 (+ y2 1))), Black: 393#(and (<= (+ y1 1) y2) (<= x1 x2) (<= y2 (+ y1 1)) (<= x2 x1)), 1460#true, Black: 410#(and (<= (+ y1 1) y2) (<= t12 (+ y1 1)) (<= x1 x2) (<= y2 (+ y1 1)) (<= x2 x1) (<= (+ y1 1) t12)), Black: 395#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 (+ y1 1))), 439#true, Black: 928#(and (<= (+ y2 1) y1) (= x2 x1) (<= y1 (+ y2 1))), Black: 930#(and (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1)), Black: 931#(and (<= (+ x2 2) t21) (<= y1 y2) (<= y2 y1) (<= t21 (+ x2 2))), Black: 963#(and (= y2 y1) (<= t12 y1) (= x2 x1) (<= y1 t12)), Black: 932#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= y1 y2) (<= y2 y1)), Black: 965#(and (<= (+ y2 1) y1) (<= t22 x1) (<= x1 (+ x2 1)) (<= t11 (+ y2 1)) (<= x1 t22) (<= (+ x2 1) x1) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), Black: 969#(and (<= (+ y2 1) y1) (<= t22 x1) (= x2 x1) (<= x1 t22) (<= y1 (+ y2 1))), Black: 945#(and (<= y1 y2) (<= x1 (+ x2 1)) (<= t11 (+ y2 1)) (<= (+ x2 1) x1) (<= (+ y2 1) t11) (<= y2 y1)), Black: 947#(and (<= (+ x2 2) t21) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= t21 (+ x2 2))), Black: 955#(and (<= (+ y2 1) y1) (<= x1 (+ x2 1)) (<= t11 (+ y2 1)) (<= (+ x2 1) x1) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), Black: 448#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 (+ y1 1))), Black: 957#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1)), Black: 927#(and (= y2 y1) (= x2 x1)), Black: 449#(and (<= (+ y1 1) y2) (<= t21 x2) (<= y2 (+ y1 1)) (<= x2 t21)), 993#true, Black: 467#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= t21 x2) (<= y2 (+ y1 1)) (<= x2 t21) (<= (+ y1 1) t12)), Black: 459#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= y2 (+ y1 1)) (<= (+ y1 1) t12)), Black: 446#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y1 y2) (<= y2 y1)), Black: 463#(and (<= t22 (+ x1 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y1 y2) (<= (+ x1 1) t22) (<= y2 y1)), 486#true, Black: 1521#(and (<= t22 t21) (<= y1 y2) (<= t21 x2) (= x2 x1) (<= t11 (+ y2 1)) (<= t21 t22) (<= (+ y2 1) t11) (<= y2 y1) (<= x2 t21)), Black: 1513#(and (= y2 y1) (<= t12 t11) (<= y2 t11) (= x2 x1) (<= t11 y2) (<= t11 t12)), Black: 1481#(and (= y2 y1) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11)), Black: 1497#(and (<= t22 (+ x1 1)) (<= t22 t21) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= t11 (+ y2 1)) (<= t21 t22) (<= (+ y2 1) t11) (<= y2 y1)), Black: 1466#(and (<= t22 (+ x1 1)) (<= y1 y2) (<= (+ x1 1) t22) (<= y2 y1)), Black: 1515#(and (<= t22 t21) (<= y1 y2) (<= t21 x2) (= x2 x1) (<= t21 t22) (<= y2 y1) (<= x2 t21)), Black: 1501#(and (< x1 (+ x2 1)) (<= t12 t11) (<= y2 t11) (<= x2 x1) (<= t11 y2) (<= t11 t12)), Black: 1485#(and (<= t22 (+ x1 1)) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y2 y1))]) [2021-04-29 08:08:34,155 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-04-29 08:08:34,155 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-04-29 08:08:34,155 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-04-29 08:08:34,155 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-04-29 08:08:34,980 INFO L129 PetriNetUnfolder]: 2388/4142 cut-off events. [2021-04-29 08:08:34,981 INFO L130 PetriNetUnfolder]: For 328551/329002 co-relation queries the response was YES. [2021-04-29 08:08:35,061 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62926 conditions, 4142 events. 2388/4142 cut-off events. For 328551/329002 co-relation queries the response was YES. Maximal size of possible extension queue 444. Compared 28106 event pairs, 160 based on Foata normal form. 56/4099 useless extension candidates. Maximal degree in co-relation 62677. Up to 1403 conditions per place. [2021-04-29 08:08:35,121 INFO L146 LiptonReduction]: Number of co-enabled transitions 1444 [2021-04-29 08:08:36,049 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:08:36,050 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:08:36,050 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2618 [2021-04-29 08:08:36,051 INFO L480 AbstractCegarLoop]: Abstraction has has 610 places, 1907 transitions, 48263 flow [2021-04-29 08:08:36,051 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:08:36,051 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:08:36,051 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] [2021-04-29 08:08:36,051 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-04-29 08:08:36,051 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:08:36,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:08:36,052 INFO L82 PathProgramCache]: Analyzing trace with hash -456835710, now seen corresponding path program 2 times [2021-04-29 08:08:36,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:08:36,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221472072] [2021-04-29 08:08:36,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:08:36,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:08:36,072 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:08:36,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:08:36,087 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:08:36,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:08:36,105 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:08:36,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:08:36,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:36,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:08:36,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:36,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:08:36,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:36,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:08:36,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:36,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:08:36,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:36,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:08:36,186 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:08:36,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:08:36,190 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-04-29 08:08:36,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:36,213 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-04-29 08:08:36,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:36,218 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:08:36,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:08:36,247 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:08:36,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:08:36,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:08:36,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221472072] [2021-04-29 08:08:36,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:08:36,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 08:08:36,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634414546] [2021-04-29 08:08:36,251 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 08:08:36,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:08:36,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 08:08:36,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-04-29 08:08:36,252 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:08:36,253 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 610 places, 1907 transitions, 48263 flow. Second operand has 10 states, 10 states have (on average 27.4) internal successors, (274), 10 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:08:36,253 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:08:36,253 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:08:36,253 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:08:41,101 INFO L129 PetriNetUnfolder]: 2759/4597 cut-off events. [2021-04-29 08:08:41,101 INFO L130 PetriNetUnfolder]: For 466624/466822 co-relation queries the response was YES. [2021-04-29 08:08:41,184 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76716 conditions, 4597 events. 2759/4597 cut-off events. For 466624/466822 co-relation queries the response was YES. Maximal size of possible extension queue 450. Compared 29149 event pairs, 460 based on Foata normal form. 43/4639 useless extension candidates. Maximal degree in co-relation 76454. Up to 4089 conditions per place. [2021-04-29 08:08:41,219 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1448 selfloop transitions, 466 changer transitions 2/1924 dead transitions. [2021-04-29 08:08:41,219 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 625 places, 1924 transitions, 52967 flow [2021-04-29 08:08:41,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-29 08:08:41,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-04-29 08:08:41,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 509 transitions. [2021-04-29 08:08:41,221 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5131048387096774 [2021-04-29 08:08:41,221 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 509 transitions. [2021-04-29 08:08:41,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 509 transitions. [2021-04-29 08:08:41,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:08:41,221 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 509 transitions. [2021-04-29 08:08:41,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 31.8125) internal successors, (509), 16 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:08:41,223 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 62.0) internal successors, (1054), 17 states have internal predecessors, (1054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:08:41,223 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 62.0) internal successors, (1054), 17 states have internal predecessors, (1054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:08:41,223 INFO L185 Difference]: Start difference. First operand has 610 places, 1907 transitions, 48263 flow. Second operand 16 states and 509 transitions. [2021-04-29 08:08:41,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 625 places, 1924 transitions, 52967 flow [2021-04-29 08:08:43,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 618 places, 1924 transitions, 52405 flow, removed 101 selfloop flow, removed 7 redundant places. [2021-04-29 08:08:43,858 INFO L241 Difference]: Finished difference. Result has 622 places, 1916 transitions, 49156 flow [2021-04-29 08:08:43,860 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=47701, PETRI_DIFFERENCE_MINUEND_PLACES=603, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1907, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=459, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1446, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=49156, PETRI_PLACES=622, PETRI_TRANSITIONS=1916} [2021-04-29 08:08:43,860 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 570 predicate places. [2021-04-29 08:08:43,860 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:08:43,860 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 622 places, 1916 transitions, 49156 flow [2021-04-29 08:08:43,860 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 622 places, 1916 transitions, 49156 flow [2021-04-29 08:08:43,882 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 622 places, 1916 transitions, 49156 flow [2021-04-29 08:08:45,416 INFO L129 PetriNetUnfolder]: 2375/4133 cut-off events. [2021-04-29 08:08:45,416 INFO L130 PetriNetUnfolder]: For 340954/341441 co-relation queries the response was YES. [2021-04-29 08:08:45,499 INFO L84 FinitePrefix]: Finished finitePrefix Result has 64039 conditions, 4133 events. 2375/4133 cut-off events. For 340954/341441 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 28223 event pairs, 164 based on Foata normal form. 57/4087 useless extension candidates. Maximal degree in co-relation 63777. Up to 1391 conditions per place. [2021-04-29 08:08:45,826 INFO L146 LiptonReduction]: Number of co-enabled transitions 1450 [2021-04-29 08:08:46,530 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:08:46,531 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:08:46,531 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2671 [2021-04-29 08:08:46,531 INFO L480 AbstractCegarLoop]: Abstraction has has 622 places, 1916 transitions, 49156 flow [2021-04-29 08:08:46,532 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.4) internal successors, (274), 10 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:08:46,532 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:08:46,532 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] [2021-04-29 08:08:46,532 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-04-29 08:08:46,532 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:08:46,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:08:46,532 INFO L82 PathProgramCache]: Analyzing trace with hash -1732971390, now seen corresponding path program 3 times [2021-04-29 08:08:46,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:08:46,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870618717] [2021-04-29 08:08:46,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:08:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:08:46,556 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:08:46,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:08:46,571 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:08:46,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:08:46,582 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:08:46,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:08:46,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:46,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:08:46,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:46,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:08:46,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:46,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:08:46,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:46,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:08:46,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:46,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:08:46,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:46,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:08:46,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:46,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:08:46,716 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-04-29 08:08:46,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:46,727 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:08:46,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:08:46,761 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:08:46,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:08:46,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:08:46,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870618717] [2021-04-29 08:08:46,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:08:46,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 08:08:46,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884298770] [2021-04-29 08:08:46,766 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 08:08:46,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:08:46,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 08:08:46,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-04-29 08:08:46,767 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:08:46,768 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 622 places, 1916 transitions, 49156 flow. Second operand has 11 states, 11 states have (on average 27.272727272727273) internal successors, (300), 11 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:08:46,768 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:08:46,768 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:08:46,768 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:08:51,945 INFO L129 PetriNetUnfolder]: 2764/4613 cut-off events. [2021-04-29 08:08:51,946 INFO L130 PetriNetUnfolder]: For 484833/485033 co-relation queries the response was YES. [2021-04-29 08:08:52,030 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78106 conditions, 4613 events. 2764/4613 cut-off events. For 484833/485033 co-relation queries the response was YES. Maximal size of possible extension queue 452. Compared 29392 event pairs, 429 based on Foata normal form. 43/4655 useless extension candidates. Maximal degree in co-relation 77838. Up to 4145 conditions per place. [2021-04-29 08:08:52,268 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1528 selfloop transitions, 402 changer transitions 2/1940 dead transitions. [2021-04-29 08:08:52,268 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 639 places, 1940 transitions, 54293 flow [2021-04-29 08:08:52,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-04-29 08:08:52,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-04-29 08:08:52,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 554 transitions. [2021-04-29 08:08:52,270 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.496415770609319 [2021-04-29 08:08:52,270 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 554 transitions. [2021-04-29 08:08:52,270 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 554 transitions. [2021-04-29 08:08:52,270 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:08:52,270 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 554 transitions. [2021-04-29 08:08:52,271 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 30.77777777777778) internal successors, (554), 18 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:08:52,273 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 62.0) internal successors, (1178), 19 states have internal predecessors, (1178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:08:52,273 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 62.0) internal successors, (1178), 19 states have internal predecessors, (1178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:08:52,273 INFO L185 Difference]: Start difference. First operand has 622 places, 1916 transitions, 49156 flow. Second operand 18 states and 554 transitions. [2021-04-29 08:08:52,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 639 places, 1940 transitions, 54293 flow [2021-04-29 08:08:54,811 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 628 places, 1940 transitions, 53473 flow, removed 169 selfloop flow, removed 11 redundant places. [2021-04-29 08:08:54,862 INFO L241 Difference]: Finished difference. Result has 633 places, 1928 transitions, 49689 flow [2021-04-29 08:08:54,864 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=48379, PETRI_DIFFERENCE_MINUEND_PLACES=611, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1916, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=392, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1522, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=49689, PETRI_PLACES=633, PETRI_TRANSITIONS=1928} [2021-04-29 08:08:54,864 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 581 predicate places. [2021-04-29 08:08:54,864 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:08:54,864 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 633 places, 1928 transitions, 49689 flow [2021-04-29 08:08:54,864 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 633 places, 1928 transitions, 49689 flow [2021-04-29 08:08:54,887 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 632 places, 1928 transitions, 49689 flow [2021-04-29 08:08:55,612 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([129] L52-->thread3EXIT: Formula: (= v_y2_19 v_t12_15) InVars {t12=v_t12_15} OutVars{y2=v_y2_19, t12=v_t12_15} AuxVars[] AssignedVars[y2][1157], [Black: 1519#(and (<= t22 (+ x1 1)) (<= t12 t11) (<= y2 t11) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= y2 y1) (<= t11 y2) (<= t11 t12)), Black: 1487#(and (<= (+ y2 1) y1) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), 1539#true, 8#L73true, Black: 1010#(and (= y2 y1) (<= t12 (+ y1 1)) (= x2 x1) (<= (+ y1 1) t12)), Black: 995#(and (= y2 y1) (= x2 x1)), Black: 1028#(and (<= y2 t11) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= t11 y2)), Black: 999#(and (<= t12 (+ y1 1)) (<= x1 x2) (<= x2 x1) (<= (+ y1 1) t12)), Black: 1000#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= (+ y1 1) t12)), Black: 1018#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= (+ y1 1) t12)), Black: 496#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= t11 y2)), Black: 1002#(and (<= (+ y1 1) y2) (<= x1 (+ x2 1)) (<= y2 (+ y1 1)) (<= (+ x2 1) x1)), Black: 514#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= (+ y1 1) t12)), Black: 1020#(and (<= t21 (+ x2 1)) (<= (+ y1 1) y2) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= x1 (+ x2 1)) (<= y2 (+ y1 1)) (<= (+ x2 1) x1) (<= (+ y1 1) t12)), Black: 516#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= t11 y2) (<= (+ y1 1) t12)), 1043#true, Black: 504#(and (= y2 y1) (<= t12 (+ y1 1)) (= x2 x1) (<= (+ y1 1) t12)), Black: 488#(and (= y2 y1) (= x2 x1)), Black: 508#(and (<= t22 (+ x1 1)) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= x1 x2) (<= x2 x1) (<= (+ y1 1) t12)), Black: 492#(and (<= t12 (+ y1 1)) (<= x1 x2) (<= x2 x1) (<= (+ y1 1) t12)), Black: 493#(and (<= t22 (+ x1 1)) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= (+ y1 1) t12)), 537#true, 32#thread2EXITtrue, 38#L63true, 39#L28true, Black: 1570#(and (<= t22 (+ x1 1)) (<= (+ y2 1) y1) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= (+ x1 1) t22) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), Black: 1576#(and (<= (+ y2 1) y1) (<= t21 x2) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= x2 t21) (<= y1 (+ y2 1))), Black: 1546#(and (<= t22 (+ x1 1)) (<= (+ x1 1) t22) (<= t11 (+ y2 1)) (<= (+ y2 1) t11)), 1584#true, 53#thread3EXITtrue, Black: 544#(and (<= t22 (+ x1 1)) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= (+ y1 1) t12)), Black: 561#(and (<= t22 (+ x1 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= y1 y2) (<= (+ x1 1) t22) (<= y2 y1) (<= (+ y1 1) t12)), Black: 565#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= (+ y1 1) t12)), Black: 569#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= t11 y2) (<= (+ y1 1) t12)), Black: 571#(and (= y2 y1) (<= t21 x2) (= x2 x1) (<= x2 t21)), Black: 555#(and (<= t22 (+ x1 1)) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= y2 y1)), Black: 1088#(and (< x2 (+ x1 1)) (<= t12 t11) (<= t12 y1) (<= x1 x2) (<= y1 t12) (<= t11 t12)), Black: 573#(and (<= t22 (+ x1 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= y1 y2) (<= (+ x1 1) t22) (<= y2 y1) (<= t11 y2)), Black: 1092#(and (= y2 y1) (<= t22 x1) (<= t12 (+ y1 1)) (= x2 x1) (<= x1 t22) (<= (+ y1 1) t12)), Black: 77#(not f22), 591#true, Black: 1078#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= (+ y1 1) t12)), Black: 1096#(and (< x2 (+ x1 1)) (<= t22 x1) (<= t12 (+ y1 1)) (<= x1 x2) (<= x1 t22) (<= (+ y1 1) t12)), Black: 1080#(and (<= (+ y2 1) y1) (<= t12 t11) (<= t12 y1) (= x2 x1) (<= y1 t12) (<= y1 (+ y2 1)) (<= t11 t12)), Black: 1050#(and (<= t12 (+ y1 1)) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= (+ y1 1) t12)), Black: 1098#(and (= y2 y1) (<= t22 x1) (<= t12 t11) (<= t12 (+ y1 1)) (= x2 x1) (<= x1 t22) (<= t11 t12) (<= (+ y1 1) t12)), Black: 83#(not f21), Black: 1052#(and (< x2 (+ x1 1)) (<= t12 (+ y1 1)) (<= x1 x2) (<= (+ y1 1) t12)), Black: 1053#(and (< x2 (+ x1 1)) (<= t12 t11) (<= x1 x2) (<= t11 t12)), Black: 1587#(and (<= (+ y2 1) y1) (= x2 x1) (<= y1 (+ y2 1))), Black: 1086#(and (= y2 y1) (<= t12 t11) (<= t12 y1) (= x2 x1) (<= y1 t12) (<= t11 t12)), Black: 1604#(and (<= x1 (+ x2 2)) (<= y1 y2) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y2 y1) (<= (+ x2 2) x1)), 1112#true, Black: 1589#(and (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1)), Black: 1606#(and (<= (+ y2 1) y1) (<= x1 (+ x2 2)) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y1 (+ y2 1)) (<= (+ x2 2) x1)), Black: 1608#(and (<= (+ y2 1) y1) (<= t22 x1) (<= x1 (+ x2 1)) (<= x1 t22) (<= (+ x2 1) x1) (<= y1 (+ y2 1))), Black: 1593#(and (<= (+ y2 1) y1) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y1 (+ y2 1))), Black: 89#(not f12), Black: 1610#(and (<= (+ y2 1) y1) (<= t22 x1) (= x2 x1) (<= x1 t22) (<= y1 (+ y2 1))), 1630#true, 99#true, Black: 617#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= (+ y1 1) t12)), Black: 601#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= t11 y2)), Black: 619#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= t11 y2) (<= (+ y1 1) t12)), Black: 1649#(and (<= (+ y2 1) y1) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), Black: 1635#(and (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1)), Black: 1655#(and (<= t22 x1) (<= y1 y2) (= x2 x1) (<= x1 t22) (<= y2 y1)), 1665#true, Black: 1136#(and (<= (+ y2 1) y1) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), Black: 1154#(and (<= t22 (+ x1 1)) (<= t12 y1) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= y2 y1) (<= y1 t12)), Black: 1142#(and (<= t22 x1) (<= t22 t21) (<= y1 y2) (<= x1 (+ x2 1)) (<= x1 t22) (<= (+ x2 1) x1) (<= t21 t22) (<= y2 y1)), Black: 1144#(and (<= (+ y2 1) y1) (<= t12 y1) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y1 t12) (<= y1 (+ y2 1))), Black: 1128#(and (<= t22 (+ x1 1)) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= y2 y1)), Black: 117#(and (<= (+ y2 1) y1) (<= x1 (+ x2 1)) (<= t11 (+ x2 1)) (<= (+ x2 1) x1) (<= y1 (+ y2 1)) (<= (+ x2 1) t11)), Black: 1148#(and (<= t22 x1) (<= t22 t21) (<= y1 y2) (= x2 x1) (<= x1 t22) (<= t21 t22) (<= y2 y1)), Black: 1132#(and (<= t22 (+ x1 1)) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y2 y1)), Black: 133#(and (< y2 (+ y1 1)) (<= t12 y1) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y1 t12)), Black: 1150#(and (= y2 y1) (<= t12 y1) (= x2 x1) (<= y1 t12)), Black: 101#(and (= y2 y1) (= x2 x1)), Black: 1118#(and (<= t22 (+ x1 1)) (<= y1 y2) (<= (+ x1 1) t22) (<= y2 y1)), Black: 102#(and (<= (+ y2 1) y1) (= x2 x1) (<= y1 (+ y2 1))), 1167#true, Black: 103#(and (<= (+ y2 1) y1) (<= t11 (+ x2 1)) (<= y1 (+ y2 1)) (<= (+ x2 1) t11)), Black: 104#(and (<= (+ y2 1) y1) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y1 (+ y2 1))), Black: 121#(and (<= (+ y2 2) t11) (<= (+ y2 2) y1) (<= x1 (+ x2 1)) (<= y1 (+ y2 2)) (<= (+ x2 1) x1) (<= t11 (+ y2 2))), Black: 110#(and (<= (+ y2 1) y1) (<= x1 (+ t12 1)) (<= (+ t12 1) x1) (<= y1 (+ y2 1))), Black: 127#(and (<= (+ y2 1) y1) (<= x1 (+ t12 1)) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= (+ t12 1) x1) (<= y1 (+ y2 1))), Black: 151#(not f11), 154#true, Black: 1683#(and (<= t22 x1) (<= y1 y2) (<= x1 (+ x2 1)) (<= x1 t22) (<= (+ x2 1) x1) (<= y2 y1)), Black: 1670#(and (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1)), Black: 671#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= y1 y2) (<= y2 y1) (<= t11 y2)), Black: 1689#(and (= y2 y1) (<= t22 x1) (= x2 x1) (<= x1 t22)), Black: 655#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= y2 (+ y1 1)) (<= (+ y1 1) t12)), Black: 1691#(and (<= (+ y1 1) y2) (<= t12 (+ y1 1)) (<= x1 (+ x2 1)) (<= y2 (+ y1 1)) (<= (+ x2 1) x1) (<= (+ y1 1) t12)), Black: 1695#(and (<= y2 t11) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= t11 y2)), Black: 1200#(and (<= t22 (+ x1 1)) (<= t12 y1) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= y2 y1) (<= y1 t12)), Black: 1202#(and (<= (+ y2 1) y1) (<= t21 x2) (= x2 x1) (<= x2 t21) (<= y1 (+ y2 1))), Black: 1188#(and (<= t22 (+ x1 1)) (<= (+ y2 1) y1) (<= (+ x1 1) t22) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), Black: 1176#(and (<= (+ y2 1) y1) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y1 (+ y2 1))), Black: 1194#(and (<= t22 (+ x1 1)) (<= (+ y2 1) y1) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= (+ x1 1) t22) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), Black: 1196#(and (<= t22 (+ x1 1)) (<= (+ y2 1) y1) (<= t12 y1) (<= (+ x1 1) t22) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y1 t12) (<= y1 (+ y2 1))), 1215#true, Black: 160#(and (<= x1 (+ x2 1)) (<= t11 (+ y2 1)) (<= (+ x2 1) x1) (<= (+ y2 1) t11)), Black: 177#(and (<= (+ y2 1) y1) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), Black: 171#(and (<= y1 y2) (<= x1 (+ x2 1)) (<= t11 (+ y2 1)) (<= (+ x2 1) x1) (<= (+ y2 1) t11) (<= y2 y1)), Black: 156#(and (= y2 y1) (= x2 x1)), Black: 157#(and (<= (+ y2 1) y1) (= x2 x1) (<= y1 (+ y2 1))), Black: 191#(and (<= (+ y2 1) y1) (<= t22 x1) (= x2 x1) (<= t11 (+ y2 1)) (<= x1 t22) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), 202#true, Black: 705#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= (+ y1 1) t12)), Black: 707#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) 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(<= t11 t12)), Black: 1481#(and (= y2 y1) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11)), Black: 1497#(and (<= t22 (+ x1 1)) (<= t22 t21) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= t11 (+ y2 1)) (<= t21 t22) (<= (+ y2 1) t11) (<= y2 y1)), Black: 1466#(and (<= t22 (+ x1 1)) (<= y1 y2) (<= (+ x1 1) t22) (<= y2 y1)), Black: 1515#(and (<= t22 t21) (<= y1 y2) (<= t21 x2) (= x2 x1) (<= t21 t22) (<= y2 y1) (<= x2 t21)), Black: 1501#(and (< x1 (+ x2 1)) (<= t12 t11) (<= y2 t11) (<= x2 x1) (<= t11 y2) (<= t11 t12)), Black: 1485#(and (<= t22 (+ x1 1)) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y2 y1))]) [2021-04-29 08:08:55,613 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-04-29 08:08:55,613 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-04-29 08:08:55,613 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-04-29 08:08:55,613 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-04-29 08:08:55,613 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([123] L63-->thread4EXIT: Formula: (= v_t22_7 v_x2_11) InVars {t22=v_t22_7} OutVars{x2=v_x2_11, t22=v_t22_7} AuxVars[] AssignedVars[x2][1125], [Black: 1519#(and (<= t22 (+ x1 1)) (<= t12 t11) (<= y2 t11) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= y2 y1) (<= t11 y2) (<= t11 t12)), Black: 1487#(and (<= (+ y2 1) y1) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), 1539#true, 8#L73true, Black: 1010#(and (= y2 y1) (<= t12 (+ y1 1)) (= x2 x1) (<= (+ y1 1) t12)), Black: 995#(and (= y2 y1) (= x2 x1)), Black: 1028#(and (<= y2 t11) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= t11 y2)), Black: 999#(and (<= t12 (+ y1 1)) (<= x1 x2) (<= x2 x1) (<= (+ y1 1) t12)), Black: 1000#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= (+ y1 1) t12)), Black: 1018#(and (<= 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t12)), Black: 318#(and (= y2 y1) (<= y2 t11) (= x2 x1) (<= t11 y2)), 339#true, Black: 849#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= (+ x1 1) t22) (<= y2 (+ y1 1))), Black: 838#(and (< y1 (+ y2 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 y1)), Black: 855#(and (< y1 (+ y2 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t21 x2) (<= y2 y1) (<= x2 t21)), Black: 857#(and (= y2 y1) (<= t21 x2) (= x2 x1) (<= x2 t21)), Black: 863#(and (< y1 (+ y2 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= y2 y1) (<= t11 y2)), 873#true, Black: 1394#(and (<= t21 (+ x2 1)) (<= (+ y1 1) y2) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= x1 (+ x2 1)) (<= y2 (+ y1 1)) (<= (+ x2 1) x1) (<= (+ y1 1) t12)), Black: 1378#(and (= y2 y1) (<= t12 (+ y1 1)) (= x2 x1) (<= (+ y1 1) t12)), Black: 359#(and (<= t22 (+ x1 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y1 y2) (<= (+ x1 1) t22) (<= y2 y1)), Black: 1362#(and (= y2 y1) (= x2 x1)), Black: 1380#(and (<= (+ y1 1) y2) (<= t12 (+ y1 1)) (<= x1 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x2 x1) (<= t11 y2) (<= t11 t12)), Black: 1481#(and (= y2 y1) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11)), Black: 1497#(and (<= t22 (+ x1 1)) (<= t22 t21) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= t11 (+ y2 1)) (<= t21 t22) (<= (+ y2 1) t11) (<= y2 y1)), Black: 1466#(and (<= t22 (+ x1 1)) (<= y1 y2) (<= (+ x1 1) t22) (<= y2 y1)), Black: 1515#(and (<= t22 t21) (<= y1 y2) (<= t21 x2) (= x2 x1) (<= t21 t22) (<= y2 y1) (<= x2 t21)), Black: 1501#(and (< x1 (+ x2 1)) (<= t12 t11) (<= y2 t11) (<= x2 x1) (<= t11 y2) (<= t11 t12)), Black: 1485#(and (<= t22 (+ x1 1)) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y2 y1))]) [2021-04-29 08:08:55,614 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-04-29 08:08:55,614 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-04-29 08:08:55,614 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-04-29 08:08:55,614 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-04-29 08:08:55,988 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([123] L63-->thread4EXIT: Formula: (= v_t22_7 v_x2_11) InVars {t22=v_t22_7} OutVars{x2=v_x2_11, t22=v_t22_7} AuxVars[] AssignedVars[x2][1125], [Black: 1519#(and (<= t22 (+ x1 1)) (<= t12 t11) (<= y2 t11) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= y2 y1) (<= t11 y2) (<= t11 t12)), Black: 1487#(and (<= (+ y2 1) y1) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), 1539#true, 8#L73true, Black: 1010#(and (= y2 y1) (<= t12 (+ y1 1)) (= x2 x1) (<= (+ y1 1) t12)), Black: 995#(and (= y2 y1) (= x2 x1)), Black: 1028#(and (<= y2 t11) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= t11 y2)), Black: 999#(and (<= t12 (+ y1 1)) (<= x1 x2) (<= x2 x1) (<= (+ y1 1) t12)), Black: 1000#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= (+ y1 1) t12)), 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y1) (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= t12 y1) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y1 t12) (<= y1 (+ y2 1))), Black: 1446#(and (<= (+ y2 1) y1) (<= t22 t21) (<= t21 x2) (<= t21 t22) (<= x2 t21) (<= y1 (+ y2 1))), Black: 420#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= (+ x1 1) t22) (<= t21 x2) (<= y2 (+ y1 1)) (<= x2 t21)), Black: 1434#(and (<= (+ y2 1) y1) (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), Black: 1450#(and (<= (+ y2 1) y1) (<= t22 t21) (<= t21 x2) (= x2 x1) (<= t21 t22) (<= x2 t21) (<= y1 (+ y2 1))), Black: 408#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= (+ x1 1) t22) (<= y2 (+ y1 1))), Black: 393#(and (<= (+ y1 1) y2) (<= x1 x2) (<= y2 (+ y1 1)) (<= x2 x1)), Black: 1419#(and (<= (+ y2 1) y1) (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= y1 (+ y2 1))), Black: 410#(and (<= (+ y1 1) y2) (<= t12 (+ y1 1)) (<= x1 x2) (<= y2 (+ y1 1)) (<= x2 x1) 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t12 t11) (<= y2 t11) (= x2 x1) (<= t11 y2) (<= t11 t12)), Black: 1481#(and (= y2 y1) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11)), Black: 1497#(and (<= t22 (+ x1 1)) (<= t22 t21) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= t11 (+ y2 1)) (<= t21 t22) (<= (+ y2 1) t11) (<= y2 y1)), Black: 1466#(and (<= t22 (+ x1 1)) (<= y1 y2) (<= (+ x1 1) t22) (<= y2 y1)), Black: 1515#(and (<= t22 t21) (<= y1 y2) (<= t21 x2) (= x2 x1) (<= t21 t22) (<= y2 y1) (<= x2 t21)), Black: 1501#(and (< x1 (+ x2 1)) (<= t12 t11) (<= y2 t11) (<= x2 x1) (<= t11 y2) (<= t11 t12)), Black: 1485#(and (<= t22 (+ x1 1)) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y2 y1))]) [2021-04-29 08:08:55,989 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-04-29 08:08:55,989 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-04-29 08:08:55,989 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-04-29 08:08:55,989 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-04-29 08:08:55,989 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([128] L41-->thread2EXIT: Formula: (= v_x1_22 v_t21_15) InVars {t21=v_t21_15} OutVars{x1=v_x1_22, t21=v_t21_15} AuxVars[] AssignedVars[x1][823], [Black: 1519#(and (<= t22 (+ x1 1)) (<= t12 t11) (<= y2 t11) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= y2 y1) (<= t11 y2) (<= t11 t12)), Black: 1487#(and (<= (+ y2 1) y1) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), 1539#true, 8#L73true, Black: 1010#(and (= y2 y1) (<= t12 (+ y1 1)) (= x2 x1) (<= (+ y1 1) t12)), Black: 995#(and (= y2 y1) (= x2 x1)), Black: 1028#(and (<= y2 t11) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= t11 y2)), Black: 999#(and (<= t12 (+ y1 1)) (<= x1 x2) (<= x2 x1) (<= (+ y1 1) t12)), Black: 1000#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= t12 (+ y1 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Black: 1513#(and (= y2 y1) (<= t12 t11) (<= y2 t11) (= x2 x1) (<= t11 y2) (<= t11 t12)), Black: 1481#(and (= y2 y1) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11)), Black: 1497#(and (<= t22 (+ x1 1)) (<= t22 t21) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= t11 (+ y2 1)) (<= t21 t22) (<= (+ y2 1) t11) (<= y2 y1)), Black: 1466#(and (<= t22 (+ x1 1)) (<= y1 y2) (<= (+ x1 1) t22) (<= y2 y1)), Black: 1515#(and (<= t22 t21) (<= y1 y2) (<= t21 x2) (= x2 x1) (<= t21 t22) (<= y2 y1) (<= x2 t21)), Black: 1501#(and (< x1 (+ x2 1)) (<= t12 t11) (<= y2 t11) (<= x2 x1) (<= t11 y2) (<= t11 t12)), Black: 1485#(and (<= t22 (+ x1 1)) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y2 y1))]) [2021-04-29 08:08:55,989 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-04-29 08:08:55,989 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-04-29 08:08:55,989 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-04-29 08:08:55,989 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-04-29 08:08:56,455 INFO L129 PetriNetUnfolder]: 2384/4163 cut-off events. [2021-04-29 08:08:56,456 INFO L130 PetriNetUnfolder]: For 366451/366893 co-relation queries the response was YES. [2021-04-29 08:08:56,543 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65457 conditions, 4163 events. 2384/4163 cut-off events. For 366451/366893 co-relation queries the response was YES. Maximal size of possible extension queue 440. Compared 28403 event pairs, 183 based on Foata normal form. 43/4105 useless extension candidates. Maximal degree in co-relation 65190. Up to 1375 conditions per place. [2021-04-29 08:08:56,872 INFO L146 LiptonReduction]: Number of co-enabled transitions 1458 [2021-04-29 08:08:57,605 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:08:57,605 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:08:57,606 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2742 [2021-04-29 08:08:57,606 INFO L480 AbstractCegarLoop]: Abstraction has has 632 places, 1928 transitions, 49689 flow [2021-04-29 08:08:57,606 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.272727272727273) internal successors, (300), 11 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:08:57,607 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:08:57,607 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] [2021-04-29 08:08:57,607 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-04-29 08:08:57,607 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:08:57,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:08:57,607 INFO L82 PathProgramCache]: Analyzing trace with hash -1988912924, now seen corresponding path program 4 times [2021-04-29 08:08:57,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:08:57,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254289086] [2021-04-29 08:08:57,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:08:57,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:08:57,627 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:08:57,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:08:57,633 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:08:57,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:08:57,642 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:08:57,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:08:57,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:57,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:08:57,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:57,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:08:57,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:57,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:08:57,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:57,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:08:57,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:57,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:08:57,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:08:57,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:08:57,751 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-04-29 08:08:57,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:57,781 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-04-29 08:08:57,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:08:57,811 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:08:57,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:08:57,847 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:08:57,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:08:57,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:08:57,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254289086] [2021-04-29 08:08:57,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:08:57,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:08:57,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963118957] [2021-04-29 08:08:57,853 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:08:57,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:08:57,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:08:57,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:08:57,854 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:08:57,855 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 632 places, 1928 transitions, 49689 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:08:57,855 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:08:57,855 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:08:57,855 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:09:03,276 INFO L129 PetriNetUnfolder]: 2773/4645 cut-off events. [2021-04-29 08:09:03,276 INFO L130 PetriNetUnfolder]: For 507909/508111 co-relation queries the response was YES. [2021-04-29 08:09:03,364 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79432 conditions, 4645 events. 2773/4645 cut-off events. For 507909/508111 co-relation queries the response was YES. Maximal size of possible extension queue 459. Compared 29802 event pairs, 426 based on Foata normal form. 43/4687 useless extension candidates. Maximal degree in co-relation 79159. Up to 3808 conditions per place. [2021-04-29 08:09:03,610 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1108 selfloop transitions, 840 changer transitions 2/1958 dead transitions. [2021-04-29 08:09:03,610 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 655 places, 1958 transitions, 55068 flow [2021-04-29 08:09:03,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-04-29 08:09:03,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-04-29 08:09:03,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 740 transitions. [2021-04-29 08:09:03,611 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49731182795698925 [2021-04-29 08:09:03,611 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 740 transitions. [2021-04-29 08:09:03,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 740 transitions. [2021-04-29 08:09:03,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:09:03,612 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 740 transitions. [2021-04-29 08:09:03,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 30.833333333333332) internal successors, (740), 24 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:09:03,614 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 62.0) internal successors, (1550), 25 states have internal predecessors, (1550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:09:03,614 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 62.0) internal successors, (1550), 25 states have internal predecessors, (1550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:09:03,614 INFO L185 Difference]: Start difference. First operand has 632 places, 1928 transitions, 49689 flow. Second operand 24 states and 740 transitions. [2021-04-29 08:09:03,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 655 places, 1958 transitions, 55068 flow [2021-04-29 08:09:06,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 645 places, 1958 transitions, 54033 flow, removed 307 selfloop flow, removed 10 redundant places. [2021-04-29 08:09:06,407 INFO L241 Difference]: Finished difference. Result has 649 places, 1942 transitions, 50867 flow [2021-04-29 08:09:06,409 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=48891, PETRI_DIFFERENCE_MINUEND_PLACES=622, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1928, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=827, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1096, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=50867, PETRI_PLACES=649, PETRI_TRANSITIONS=1942} [2021-04-29 08:09:06,409 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 597 predicate places. [2021-04-29 08:09:06,409 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:09:06,410 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 649 places, 1942 transitions, 50867 flow [2021-04-29 08:09:06,410 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 649 places, 1942 transitions, 50867 flow [2021-04-29 08:09:06,446 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 647 places, 1942 transitions, 50867 flow [2021-04-29 08:09:08,148 INFO L129 PetriNetUnfolder]: 2372/4163 cut-off events. [2021-04-29 08:09:08,148 INFO L130 PetriNetUnfolder]: For 367246/367696 co-relation queries the response was YES. [2021-04-29 08:09:08,238 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65961 conditions, 4163 events. 2372/4163 cut-off events. For 367246/367696 co-relation queries the response was YES. Maximal size of possible extension queue 456. Compared 28620 event pairs, 135 based on Foata normal form. 59/4151 useless extension candidates. Maximal degree in co-relation 65701. Up to 1374 conditions per place. [2021-04-29 08:09:08,600 INFO L146 LiptonReduction]: Number of co-enabled transitions 1458 [2021-04-29 08:09:09,318 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:09:09,319 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:09:09,319 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2910 [2021-04-29 08:09:09,324 INFO L480 AbstractCegarLoop]: Abstraction has has 647 places, 1942 transitions, 50867 flow [2021-04-29 08:09:09,324 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:09:09,324 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:09:09,324 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] [2021-04-29 08:09:09,324 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-04-29 08:09:09,324 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:09:09,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:09:09,325 INFO L82 PathProgramCache]: Analyzing trace with hash 818471362, now seen corresponding path program 5 times [2021-04-29 08:09:09,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:09:09,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584043384] [2021-04-29 08:09:09,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:09:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:09:09,345 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:09:09,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:09:09,351 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:09:09,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:09:09,363 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:09:09,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:09:09,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:09,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:09:09,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:09,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:09:09,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:09,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:09:09,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:09,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:09:09,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:09,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:09:09,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:09,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:09:09,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:09,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:09:09,502 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-04-29 08:09:09,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:09,535 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:09:09,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:09:09,567 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:09:09,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:09:09,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:09:09,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584043384] [2021-04-29 08:09:09,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:09:09,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:09:09,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987828191] [2021-04-29 08:09:09,575 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:09:09,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:09:09,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:09:09,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:09:09,576 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:09:09,577 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 647 places, 1942 transitions, 50867 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:09:09,577 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:09:09,577 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:09:09,577 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:09:14,612 INFO L129 PetriNetUnfolder]: 2775/4637 cut-off events. [2021-04-29 08:09:14,612 INFO L130 PetriNetUnfolder]: For 517723/517925 co-relation queries the response was YES. [2021-04-29 08:09:14,698 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80530 conditions, 4637 events. 2775/4637 cut-off events. For 517723/517925 co-relation queries the response was YES. Maximal size of possible extension queue 457. Compared 29726 event pairs, 370 based on Foata normal form. 43/4679 useless extension candidates. Maximal degree in co-relation 80257. Up to 4012 conditions per place. [2021-04-29 08:09:14,734 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1462 selfloop transitions, 489 changer transitions 2/1961 dead transitions. [2021-04-29 08:09:14,734 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 664 places, 1961 transitions, 55727 flow [2021-04-29 08:09:14,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-04-29 08:09:14,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-04-29 08:09:14,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 555 transitions. [2021-04-29 08:09:14,736 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49731182795698925 [2021-04-29 08:09:14,736 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 555 transitions. [2021-04-29 08:09:14,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 555 transitions. [2021-04-29 08:09:14,736 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:09:14,737 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 555 transitions. [2021-04-29 08:09:14,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 30.833333333333332) internal successors, (555), 18 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:09:14,739 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 62.0) internal successors, (1178), 19 states have internal predecessors, (1178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:09:14,740 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 62.0) internal successors, (1178), 19 states have internal predecessors, (1178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:09:14,740 INFO L185 Difference]: Start difference. First operand has 647 places, 1942 transitions, 50867 flow. Second operand 18 states and 555 transitions. [2021-04-29 08:09:14,740 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 664 places, 1961 transitions, 55727 flow [2021-04-29 08:09:17,926 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 650 places, 1961 transitions, 54513 flow, removed 96 selfloop flow, removed 14 redundant places. [2021-04-29 08:09:17,976 INFO L241 Difference]: Finished difference. Result has 654 places, 1948 transitions, 50793 flow [2021-04-29 08:09:17,978 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=49653, PETRI_DIFFERENCE_MINUEND_PLACES=633, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1942, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=483, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1457, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=50793, PETRI_PLACES=654, PETRI_TRANSITIONS=1948} [2021-04-29 08:09:17,978 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 602 predicate places. [2021-04-29 08:09:17,978 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:09:17,978 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 654 places, 1948 transitions, 50793 flow [2021-04-29 08:09:17,978 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 654 places, 1948 transitions, 50793 flow [2021-04-29 08:09:18,010 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 652 places, 1948 transitions, 50793 flow [2021-04-29 08:09:19,507 INFO L129 PetriNetUnfolder]: 2377/4171 cut-off events. [2021-04-29 08:09:19,507 INFO L130 PetriNetUnfolder]: For 380462/380742 co-relation queries the response was YES. [2021-04-29 08:09:19,595 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66962 conditions, 4171 events. 2377/4171 cut-off events. For 380462/380742 co-relation queries the response was YES. Maximal size of possible extension queue 448. Compared 28558 event pairs, 241 based on Foata normal form. 49/4168 useless extension candidates. Maximal degree in co-relation 66698. Up to 1344 conditions per place. [2021-04-29 08:09:19,658 INFO L146 LiptonReduction]: Number of co-enabled transitions 1458 [2021-04-29 08:09:20,624 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:09:20,624 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:09:20,625 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2647 [2021-04-29 08:09:20,625 INFO L480 AbstractCegarLoop]: Abstraction has has 652 places, 1948 transitions, 50793 flow [2021-04-29 08:09:20,625 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:09:20,625 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:09:20,626 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] [2021-04-29 08:09:20,626 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-04-29 08:09:20,626 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:09:20,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:09:20,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1891556742, now seen corresponding path program 6 times [2021-04-29 08:09:20,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:09:20,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346906469] [2021-04-29 08:09:20,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:09:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:09:20,647 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:09:20,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:09:20,653 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:09:20,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:09:20,664 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:09:20,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:09:20,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:20,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:09:20,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:20,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:09:20,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:20,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:09:20,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:20,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:09:20,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:20,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:09:20,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:20,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:09:20,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:20,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:09:20,778 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-04-29 08:09:20,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:20,808 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:09:20,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:09:20,841 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:09:20,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:09:20,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:09:20,846 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346906469] [2021-04-29 08:09:20,846 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:09:20,846 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:09:20,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889959606] [2021-04-29 08:09:20,847 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:09:20,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:09:20,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:09:20,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:09:20,848 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:09:20,849 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 652 places, 1948 transitions, 50793 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:09:20,849 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:09:20,849 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:09:20,849 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:09:22,956 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2021-04-29 08:09:25,981 INFO L129 PetriNetUnfolder]: 2774/4643 cut-off events. [2021-04-29 08:09:25,981 INFO L130 PetriNetUnfolder]: For 528958/529160 co-relation queries the response was YES. [2021-04-29 08:09:26,067 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81344 conditions, 4643 events. 2774/4643 cut-off events. For 528958/529160 co-relation queries the response was YES. Maximal size of possible extension queue 458. Compared 29728 event pairs, 432 based on Foata normal form. 43/4685 useless extension candidates. Maximal degree in co-relation 81067. Up to 4119 conditions per place. [2021-04-29 08:09:26,103 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1497 selfloop transitions, 458 changer transitions 4/1967 dead transitions. [2021-04-29 08:09:26,103 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 672 places, 1967 transitions, 55571 flow [2021-04-29 08:09:26,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-04-29 08:09:26,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-04-29 08:09:26,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 642 transitions. [2021-04-29 08:09:26,105 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4930875576036866 [2021-04-29 08:09:26,105 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 642 transitions. [2021-04-29 08:09:26,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 642 transitions. [2021-04-29 08:09:26,105 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:09:26,105 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 642 transitions. [2021-04-29 08:09:26,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 30.571428571428573) internal successors, (642), 21 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:09:26,107 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 62.0) internal successors, (1364), 22 states have internal predecessors, (1364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:09:26,107 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 62.0) internal successors, (1364), 22 states have internal predecessors, (1364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:09:26,107 INFO L185 Difference]: Start difference. First operand has 652 places, 1948 transitions, 50793 flow. Second operand 21 states and 642 transitions. [2021-04-29 08:09:26,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 672 places, 1967 transitions, 55571 flow [2021-04-29 08:09:29,399 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 658 places, 1967 transitions, 54477 flow, removed 67 selfloop flow, removed 14 redundant places. [2021-04-29 08:09:29,447 INFO L241 Difference]: Finished difference. Result has 662 places, 1951 transitions, 50715 flow [2021-04-29 08:09:29,448 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=49709, PETRI_DIFFERENCE_MINUEND_PLACES=638, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1948, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=455, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1491, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=50715, PETRI_PLACES=662, PETRI_TRANSITIONS=1951} [2021-04-29 08:09:29,448 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 610 predicate places. [2021-04-29 08:09:29,449 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:09:29,449 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 662 places, 1951 transitions, 50715 flow [2021-04-29 08:09:29,449 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 662 places, 1951 transitions, 50715 flow [2021-04-29 08:09:29,471 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 660 places, 1951 transitions, 50715 flow [2021-04-29 08:09:31,024 INFO L129 PetriNetUnfolder]: 2389/4178 cut-off events. [2021-04-29 08:09:31,024 INFO L130 PetriNetUnfolder]: For 377157/377736 co-relation queries the response was YES. [2021-04-29 08:09:31,151 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66860 conditions, 4178 events. 2389/4178 cut-off events. For 377157/377736 co-relation queries the response was YES. Maximal size of possible extension queue 458. Compared 28769 event pairs, 199 based on Foata normal form. 56/4162 useless extension candidates. Maximal degree in co-relation 66594. Up to 1383 conditions per place. [2021-04-29 08:09:31,213 INFO L146 LiptonReduction]: Number of co-enabled transitions 1458 [2021-04-29 08:09:31,916 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:09:31,916 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:09:31,916 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2468 [2021-04-29 08:09:31,917 INFO L480 AbstractCegarLoop]: Abstraction has has 660 places, 1951 transitions, 50715 flow [2021-04-29 08:09:31,917 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:09:31,917 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:09:31,917 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] [2021-04-29 08:09:31,917 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-04-29 08:09:31,917 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:09:31,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:09:31,918 INFO L82 PathProgramCache]: Analyzing trace with hash -1030509022, now seen corresponding path program 7 times [2021-04-29 08:09:31,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:09:31,918 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34533652] [2021-04-29 08:09:31,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:09:31,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:09:31,936 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:09:31,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:09:31,943 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:09:31,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:09:32,125 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2021-04-29 08:09:32,126 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:09:32,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:09:32,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:32,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:09:32,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:32,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:09:32,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:32,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:09:32,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:32,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:09:32,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:32,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:09:32,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:32,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:09:32,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:32,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:09:32,251 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-04-29 08:09:32,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:09:32,282 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:09:32,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:09:32,315 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:09:32,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:09:32,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:09:32,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34533652] [2021-04-29 08:09:32,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:09:32,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:09:32,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623526700] [2021-04-29 08:09:32,321 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:09:32,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:09:32,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:09:32,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:09:32,322 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:09:32,323 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 660 places, 1951 transitions, 50715 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:09:32,323 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:09:32,323 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:09:32,323 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:09:36,976 INFO L129 PetriNetUnfolder]: 2773/4631 cut-off events. [2021-04-29 08:09:36,976 INFO L130 PetriNetUnfolder]: For 533654/533764 co-relation queries the response was YES. [2021-04-29 08:09:37,064 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81256 conditions, 4631 events. 2773/4631 cut-off events. For 533654/533764 co-relation queries the response was YES. Maximal size of possible extension queue 457. Compared 29526 event pairs, 441 based on Foata normal form. 23/4653 useless extension candidates. Maximal degree in co-relation 80977. Up to 4120 conditions per place. [2021-04-29 08:09:37,100 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1500 selfloop transitions, 454 changer transitions 2/1964 dead transitions. [2021-04-29 08:09:37,100 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 678 places, 1964 transitions, 55350 flow [2021-04-29 08:09:37,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-04-29 08:09:37,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-04-29 08:09:37,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 586 transitions. [2021-04-29 08:09:37,101 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49745331069609505 [2021-04-29 08:09:37,101 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 586 transitions. [2021-04-29 08:09:37,101 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 586 transitions. [2021-04-29 08:09:37,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:09:37,102 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 586 transitions. [2021-04-29 08:09:37,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 30.842105263157894) internal successors, (586), 19 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:09:37,104 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 62.0) internal successors, (1240), 20 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:09:37,104 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 62.0) internal successors, (1240), 20 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:09:37,104 INFO L185 Difference]: Start difference. First operand has 660 places, 1951 transitions, 50715 flow. Second operand 19 states and 586 transitions. [2021-04-29 08:09:37,104 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 678 places, 1964 transitions, 55350 flow [2021-04-29 08:09:40,315 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 660 places, 1964 transitions, 54385 flow, removed 32 selfloop flow, removed 18 redundant places. [2021-04-29 08:09:40,368 INFO L241 Difference]: Finished difference. Result has 662 places, 1951 transitions, 50668 flow [2021-04-29 08:09:40,370 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=49750, PETRI_DIFFERENCE_MINUEND_PLACES=642, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1951, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=454, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1497, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=50668, PETRI_PLACES=662, PETRI_TRANSITIONS=1951} [2021-04-29 08:09:40,370 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 610 predicate places. [2021-04-29 08:09:40,370 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:09:40,370 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 662 places, 1951 transitions, 50668 flow [2021-04-29 08:09:40,371 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 662 places, 1951 transitions, 50668 flow [2021-04-29 08:09:40,394 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 660 places, 1951 transitions, 50668 flow [2021-04-29 08:09:42,088 INFO L129 PetriNetUnfolder]: 2377/4162 cut-off events. [2021-04-29 08:09:42,088 INFO L130 PetriNetUnfolder]: For 371823/372109 co-relation queries the response was YES. [2021-04-29 08:09:42,171 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66362 conditions, 4162 events. 2377/4162 cut-off events. For 371823/372109 co-relation queries the response was YES. Maximal size of possible extension queue 477. Compared 28478 event pairs, 225 based on Foata normal form. 34/4124 useless extension candidates. Maximal degree in co-relation 66097. Up to 1357 conditions per place. [2021-04-29 08:09:42,230 INFO L146 LiptonReduction]: Number of co-enabled transitions 1458 [2021-04-29 08:09:42,924 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:09:42,924 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:09:42,924 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2554 [2021-04-29 08:09:42,924 INFO L480 AbstractCegarLoop]: Abstraction has has 660 places, 1951 transitions, 50668 flow [2021-04-29 08:09:42,925 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:09:42,925 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:09:42,925 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] [2021-04-29 08:09:42,925 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-04-29 08:09:42,925 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:09:42,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:09:42,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1284954076, now seen corresponding path program 8 times [2021-04-29 08:09:42,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:09:42,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827868223] [2021-04-29 08:09:42,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:09:42,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:09:42,949 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:09:42,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:09:42,961 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:09:42,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:09:42,970 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:09:42,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:09:42,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:42,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:09:42,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:42,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:09:43,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:43,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:09:43,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:43,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:09:43,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:43,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:09:43,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:43,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:09:43,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:43,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:09:43,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:43,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:09:43,125 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:09:43,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:09:43,158 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:09:43,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:09:43,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:09:43,161 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827868223] [2021-04-29 08:09:43,161 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:09:43,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:09:43,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857805347] [2021-04-29 08:09:43,162 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:09:43,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:09:43,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:09:43,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:09:43,163 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:09:43,163 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 660 places, 1951 transitions, 50668 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:09:43,163 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:09:43,163 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:09:43,163 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:09:48,782 INFO L129 PetriNetUnfolder]: 2789/4671 cut-off events. [2021-04-29 08:09:48,783 INFO L130 PetriNetUnfolder]: For 540169/540371 co-relation queries the response was YES. [2021-04-29 08:09:48,870 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81780 conditions, 4671 events. 2789/4671 cut-off events. For 540169/540371 co-relation queries the response was YES. Maximal size of possible extension queue 466. Compared 29989 event pairs, 432 based on Foata normal form. 43/4713 useless extension candidates. Maximal degree in co-relation 81502. Up to 4130 conditions per place. [2021-04-29 08:09:48,908 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1542 selfloop transitions, 436 changer transitions 6/1992 dead transitions. [2021-04-29 08:09:48,908 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 679 places, 1992 transitions, 56485 flow [2021-04-29 08:09:48,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-04-29 08:09:48,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-04-29 08:09:48,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 622 transitions. [2021-04-29 08:09:48,909 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5016129032258064 [2021-04-29 08:09:48,910 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 622 transitions. [2021-04-29 08:09:48,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 622 transitions. [2021-04-29 08:09:48,910 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:09:48,910 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 622 transitions. [2021-04-29 08:09:48,911 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 31.1) internal successors, (622), 20 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:09:48,913 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 62.0) internal successors, (1302), 21 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:09:48,913 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 62.0) internal successors, (1302), 21 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:09:48,913 INFO L185 Difference]: Start difference. First operand has 660 places, 1951 transitions, 50668 flow. Second operand 20 states and 622 transitions. [2021-04-29 08:09:48,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 679 places, 1992 transitions, 56485 flow [2021-04-29 08:09:52,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 661 places, 1992 transitions, 55530 flow, removed 8 selfloop flow, removed 18 redundant places. [2021-04-29 08:09:52,723 INFO L241 Difference]: Finished difference. Result has 666 places, 1969 transitions, 51213 flow [2021-04-29 08:09:52,725 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=49749, PETRI_DIFFERENCE_MINUEND_PLACES=642, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1951, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=420, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1529, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=51213, PETRI_PLACES=666, PETRI_TRANSITIONS=1969} [2021-04-29 08:09:52,725 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 614 predicate places. [2021-04-29 08:09:52,725 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:09:52,725 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 666 places, 1969 transitions, 51213 flow [2021-04-29 08:09:52,725 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 666 places, 1969 transitions, 51213 flow [2021-04-29 08:09:52,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 662 places, 1969 transitions, 51213 flow [2021-04-29 08:09:54,377 INFO L129 PetriNetUnfolder]: 2364/4153 cut-off events. [2021-04-29 08:09:54,377 INFO L130 PetriNetUnfolder]: For 387876/388467 co-relation queries the response was YES. [2021-04-29 08:09:54,473 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67031 conditions, 4153 events. 2364/4153 cut-off events. For 387876/388467 co-relation queries the response was YES. Maximal size of possible extension queue 455. Compared 28627 event pairs, 196 based on Foata normal form. 37/4097 useless extension candidates. Maximal degree in co-relation 66763. Up to 1341 conditions per place. [2021-04-29 08:09:54,831 INFO L146 LiptonReduction]: Number of co-enabled transitions 1482 [2021-04-29 08:09:55,572 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:09:55,572 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:09:55,573 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2848 [2021-04-29 08:09:55,573 INFO L480 AbstractCegarLoop]: Abstraction has has 662 places, 1969 transitions, 51213 flow [2021-04-29 08:09:55,573 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:09:55,573 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:09:55,573 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] [2021-04-29 08:09:55,573 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-04-29 08:09:55,574 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:09:55,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:09:55,574 INFO L82 PathProgramCache]: Analyzing trace with hash -1338354324, now seen corresponding path program 9 times [2021-04-29 08:09:55,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:09:55,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102572960] [2021-04-29 08:09:55,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:09:55,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:09:55,594 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:09:55,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:09:55,601 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:09:55,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:09:55,612 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:09:55,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:09:55,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:55,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:09:55,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:55,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:09:55,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:55,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:09:55,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:55,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:09:55,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:55,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:09:55,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:55,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:09:55,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:55,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:09:55,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:09:55,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:09:55,787 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:09:55,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:09:55,821 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:09:55,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:09:55,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:09:55,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102572960] [2021-04-29 08:09:55,826 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:09:55,827 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-04-29 08:09:55,827 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433187464] [2021-04-29 08:09:55,827 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:09:55,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:09:55,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:09:55,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:09:55,828 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:09:55,829 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 662 places, 1969 transitions, 51213 flow. Second operand has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:09:55,829 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:09:55,829 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:09:55,829 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:10:01,598 INFO L129 PetriNetUnfolder]: 2796/4698 cut-off events. [2021-04-29 08:10:01,599 INFO L130 PetriNetUnfolder]: For 564931/565138 co-relation queries the response was YES. [2021-04-29 08:10:01,689 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82816 conditions, 4698 events. 2796/4698 cut-off events. For 564931/565138 co-relation queries the response was YES. Maximal size of possible extension queue 472. Compared 30430 event pairs, 366 based on Foata normal form. 49/4746 useless extension candidates. Maximal degree in co-relation 82535. Up to 4127 conditions per place. [2021-04-29 08:10:01,726 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1530 selfloop transitions, 460 changer transitions 11/2009 dead transitions. [2021-04-29 08:10:01,726 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 684 places, 2009 transitions, 57136 flow [2021-04-29 08:10:01,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-04-29 08:10:01,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-04-29 08:10:01,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 707 transitions. [2021-04-29 08:10:01,728 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4957924263674614 [2021-04-29 08:10:01,728 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 707 transitions. [2021-04-29 08:10:01,728 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 707 transitions. [2021-04-29 08:10:01,729 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:10:01,729 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 707 transitions. [2021-04-29 08:10:01,729 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 30.73913043478261) internal successors, (707), 23 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:10:01,731 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 62.0) internal successors, (1488), 24 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:10:01,731 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 62.0) internal successors, (1488), 24 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:10:01,731 INFO L185 Difference]: Start difference. First operand has 662 places, 1969 transitions, 51213 flow. Second operand 23 states and 707 transitions. [2021-04-29 08:10:01,731 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 684 places, 2009 transitions, 57136 flow [2021-04-29 08:10:05,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 674 places, 2009 transitions, 56054 flow, removed 336 selfloop flow, removed 10 redundant places. [2021-04-29 08:10:05,139 INFO L241 Difference]: Finished difference. Result has 679 places, 1985 transitions, 51855 flow [2021-04-29 08:10:05,140 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=50453, PETRI_DIFFERENCE_MINUEND_PLACES=652, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1969, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=445, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1523, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=51855, PETRI_PLACES=679, PETRI_TRANSITIONS=1985} [2021-04-29 08:10:05,141 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 627 predicate places. [2021-04-29 08:10:05,141 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:10:05,141 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 679 places, 1985 transitions, 51855 flow [2021-04-29 08:10:05,141 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 679 places, 1985 transitions, 51855 flow [2021-04-29 08:10:05,165 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 675 places, 1985 transitions, 51855 flow [2021-04-29 08:10:06,814 INFO L129 PetriNetUnfolder]: 2423/4236 cut-off events. [2021-04-29 08:10:06,815 INFO L130 PetriNetUnfolder]: For 406126/406630 co-relation queries the response was YES. [2021-04-29 08:10:06,907 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69011 conditions, 4236 events. 2423/4236 cut-off events. For 406126/406630 co-relation queries the response was YES. Maximal size of possible extension queue 471. Compared 29157 event pairs, 219 based on Foata normal form. 41/4185 useless extension candidates. Maximal degree in co-relation 68758. Up to 1379 conditions per place. [2021-04-29 08:10:06,971 INFO L146 LiptonReduction]: Number of co-enabled transitions 1512 [2021-04-29 08:10:08,090 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:10:08,090 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:10:08,091 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2950 [2021-04-29 08:10:08,091 INFO L480 AbstractCegarLoop]: Abstraction has has 675 places, 1985 transitions, 51855 flow [2021-04-29 08:10:08,091 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:10:08,091 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:10:08,092 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] [2021-04-29 08:10:08,092 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-04-29 08:10:08,092 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:10:08,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:10:08,092 INFO L82 PathProgramCache]: Analyzing trace with hash -1502732802, now seen corresponding path program 10 times [2021-04-29 08:10:08,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:10:08,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686937327] [2021-04-29 08:10:08,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:10:08,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:10:08,112 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:10:08,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:10:08,118 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:10:08,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:10:08,134 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:10:08,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:10:08,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:08,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:10:08,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:08,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:10:08,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:08,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:10:08,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:08,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:10:08,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:08,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:10:08,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:08,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:10:08,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:08,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:10:08,270 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-04-29 08:10:08,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:10:08,277 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:10:08,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:10:08,308 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:10:08,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:10:08,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:10:08,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686937327] [2021-04-29 08:10:08,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:10:08,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 08:10:08,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526454872] [2021-04-29 08:10:08,315 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 08:10:08,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:10:08,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 08:10:08,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-04-29 08:10:08,317 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:10:08,317 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 675 places, 1985 transitions, 51855 flow. Second operand has 11 states, 11 states have (on average 27.272727272727273) internal successors, (300), 11 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:10:08,318 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:10:08,318 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:10:08,318 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:10:13,659 INFO L129 PetriNetUnfolder]: 2802/4713 cut-off events. [2021-04-29 08:10:13,659 INFO L130 PetriNetUnfolder]: For 559838/560041 co-relation queries the response was YES. [2021-04-29 08:10:13,748 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83387 conditions, 4713 events. 2802/4713 cut-off events. For 559838/560041 co-relation queries the response was YES. Maximal size of possible extension queue 477. Compared 30543 event pairs, 460 based on Foata normal form. 43/4755 useless extension candidates. Maximal degree in co-relation 83132. Up to 4277 conditions per place. [2021-04-29 08:10:13,786 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1585 selfloop transitions, 417 changer transitions 3/2013 dead transitions. [2021-04-29 08:10:13,786 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 693 places, 2013 transitions, 56540 flow [2021-04-29 08:10:13,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-04-29 08:10:13,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-04-29 08:10:13,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 582 transitions. [2021-04-29 08:10:13,788 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4940577249575552 [2021-04-29 08:10:13,788 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 582 transitions. [2021-04-29 08:10:13,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 582 transitions. [2021-04-29 08:10:13,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:10:13,788 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 582 transitions. [2021-04-29 08:10:13,789 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 30.63157894736842) internal successors, (582), 19 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:10:13,790 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 62.0) internal successors, (1240), 20 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:10:13,790 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 62.0) internal successors, (1240), 20 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:10:13,790 INFO L185 Difference]: Start difference. First operand has 675 places, 1985 transitions, 51855 flow. Second operand 19 states and 582 transitions. [2021-04-29 08:10:13,791 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 693 places, 2013 transitions, 56540 flow [2021-04-29 08:10:17,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 681 places, 2013 transitions, 55598 flow, removed 255 selfloop flow, removed 12 redundant places. [2021-04-29 08:10:17,789 INFO L241 Difference]: Finished difference. Result has 686 places, 2004 transitions, 52305 flow [2021-04-29 08:10:17,791 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=51111, PETRI_DIFFERENCE_MINUEND_PLACES=663, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1985, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=398, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1580, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=52305, PETRI_PLACES=686, PETRI_TRANSITIONS=2004} [2021-04-29 08:10:17,791 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 634 predicate places. [2021-04-29 08:10:17,791 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:10:17,791 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 686 places, 2004 transitions, 52305 flow [2021-04-29 08:10:17,792 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 686 places, 2004 transitions, 52305 flow [2021-04-29 08:10:17,815 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 684 places, 2004 transitions, 52305 flow [2021-04-29 08:10:19,632 INFO L129 PetriNetUnfolder]: 2431/4262 cut-off events. [2021-04-29 08:10:19,632 INFO L130 PetriNetUnfolder]: For 396430/396802 co-relation queries the response was YES. [2021-04-29 08:10:19,722 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69175 conditions, 4262 events. 2431/4262 cut-off events. For 396430/396802 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 29424 event pairs, 202 based on Foata normal form. 36/4204 useless extension candidates. Maximal degree in co-relation 68899. Up to 1369 conditions per place. [2021-04-29 08:10:19,785 INFO L146 LiptonReduction]: Number of co-enabled transitions 1532 [2021-04-29 08:10:20,619 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:10:20,619 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:10:20,619 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2828 [2021-04-29 08:10:20,619 INFO L480 AbstractCegarLoop]: Abstraction has has 684 places, 2004 transitions, 52305 flow [2021-04-29 08:10:20,620 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.272727272727273) internal successors, (300), 11 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:10:20,620 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:10:20,620 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] [2021-04-29 08:10:20,620 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-04-29 08:10:20,620 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:10:20,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:10:20,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1450129304, now seen corresponding path program 11 times [2021-04-29 08:10:20,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:10:20,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762980890] [2021-04-29 08:10:20,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:10:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:10:20,639 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:10:20,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:10:20,646 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:10:20,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:10:20,656 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:10:20,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:10:20,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:20,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:10:20,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:20,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:10:20,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:20,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:10:20,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:20,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:10:20,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:20,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:10:20,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:20,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:10:20,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:20,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:10:20,801 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-04-29 08:10:20,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:10:20,807 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:10:20,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:10:20,839 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:10:20,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:10:20,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:10:20,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762980890] [2021-04-29 08:10:20,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:10:20,845 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:10:20,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024845240] [2021-04-29 08:10:20,845 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:10:20,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:10:20,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:10:20,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:10:20,846 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:10:20,846 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 684 places, 2004 transitions, 52305 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:10:20,847 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:10:20,847 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:10:20,847 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:10:26,142 INFO L129 PetriNetUnfolder]: 2803/4718 cut-off events. [2021-04-29 08:10:26,142 INFO L130 PetriNetUnfolder]: For 551603/551806 co-relation queries the response was YES. [2021-04-29 08:10:26,479 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83532 conditions, 4718 events. 2803/4718 cut-off events. For 551603/551806 co-relation queries the response was YES. Maximal size of possible extension queue 481. Compared 30625 event pairs, 429 based on Foata normal form. 43/4760 useless extension candidates. Maximal degree in co-relation 83251. Up to 4149 conditions per place. [2021-04-29 08:10:26,516 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1548 selfloop transitions, 470 changer transitions 2/2028 dead transitions. [2021-04-29 08:10:26,516 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 702 places, 2028 transitions, 57628 flow [2021-04-29 08:10:26,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-04-29 08:10:26,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-04-29 08:10:26,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 598 transitions. [2021-04-29 08:10:26,517 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5076400679117148 [2021-04-29 08:10:26,518 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 598 transitions. [2021-04-29 08:10:26,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 598 transitions. [2021-04-29 08:10:26,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:10:26,518 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 598 transitions. [2021-04-29 08:10:26,519 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 31.473684210526315) internal successors, (598), 19 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:10:26,522 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 62.0) internal successors, (1240), 20 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:10:26,522 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 62.0) internal successors, (1240), 20 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:10:26,523 INFO L185 Difference]: Start difference. First operand has 684 places, 2004 transitions, 52305 flow. Second operand 19 states and 598 transitions. [2021-04-29 08:10:26,523 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 702 places, 2028 transitions, 57628 flow [2021-04-29 08:10:29,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 687 places, 2028 transitions, 56728 flow, removed 40 selfloop flow, removed 15 redundant places. [2021-04-29 08:10:29,901 INFO L241 Difference]: Finished difference. Result has 691 places, 2010 transitions, 52564 flow [2021-04-29 08:10:29,902 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=51409, PETRI_DIFFERENCE_MINUEND_PLACES=669, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2004, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=464, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1538, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=52564, PETRI_PLACES=691, PETRI_TRANSITIONS=2010} [2021-04-29 08:10:29,903 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 639 predicate places. [2021-04-29 08:10:29,903 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:10:29,903 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 691 places, 2010 transitions, 52564 flow [2021-04-29 08:10:29,903 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 691 places, 2010 transitions, 52564 flow [2021-04-29 08:10:29,926 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 690 places, 2010 transitions, 52564 flow [2021-04-29 08:10:31,409 INFO L129 PetriNetUnfolder]: 2418/4243 cut-off events. [2021-04-29 08:10:31,409 INFO L130 PetriNetUnfolder]: For 407288/407656 co-relation queries the response was YES. [2021-04-29 08:10:31,507 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69638 conditions, 4243 events. 2418/4243 cut-off events. For 407288/407656 co-relation queries the response was YES. Maximal size of possible extension queue 468. Compared 29268 event pairs, 190 based on Foata normal form. 40/4195 useless extension candidates. Maximal degree in co-relation 69351. Up to 1361 conditions per place. [2021-04-29 08:10:31,574 INFO L146 LiptonReduction]: Number of co-enabled transitions 1556 [2021-04-29 08:10:32,602 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:10:32,602 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:10:32,603 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2700 [2021-04-29 08:10:32,603 INFO L480 AbstractCegarLoop]: Abstraction has has 690 places, 2010 transitions, 52564 flow [2021-04-29 08:10:32,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:10:32,604 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:10:32,604 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] [2021-04-29 08:10:32,604 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-04-29 08:10:32,604 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:10:32,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:10:32,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1778228080, now seen corresponding path program 12 times [2021-04-29 08:10:32,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:10:32,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418496033] [2021-04-29 08:10:32,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:10:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:10:32,622 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:10:32,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:10:32,628 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:10:32,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:10:32,637 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:10:32,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:10:32,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:32,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:10:32,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:32,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:10:32,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:32,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:10:32,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:32,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:10:32,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:32,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:10:32,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:32,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:10:32,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:32,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:10:32,761 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-04-29 08:10:32,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:10:32,773 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:10:32,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:10:32,806 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:10:32,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:10:32,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:10:32,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418496033] [2021-04-29 08:10:32,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:10:32,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 08:10:32,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077514284] [2021-04-29 08:10:32,811 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 08:10:32,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:10:32,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 08:10:32,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-04-29 08:10:32,813 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:10:32,813 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 690 places, 2010 transitions, 52564 flow. Second operand has 11 states, 11 states have (on average 27.272727272727273) internal successors, (300), 11 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:10:32,813 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:10:32,813 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:10:32,813 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:10:38,465 INFO L129 PetriNetUnfolder]: 2816/4755 cut-off events. [2021-04-29 08:10:38,465 INFO L130 PetriNetUnfolder]: For 562736/562848 co-relation queries the response was YES. [2021-04-29 08:10:38,559 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84333 conditions, 4755 events. 2816/4755 cut-off events. For 562736/562848 co-relation queries the response was YES. Maximal size of possible extension queue 488. Compared 31008 event pairs, 460 based on Foata normal form. 23/4777 useless extension candidates. Maximal degree in co-relation 84040. Up to 4275 conditions per place. [2021-04-29 08:10:38,597 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1576 selfloop transitions, 457 changer transitions 3/2044 dead transitions. [2021-04-29 08:10:38,597 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 713 places, 2044 transitions, 57263 flow [2021-04-29 08:10:38,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-04-29 08:10:38,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-04-29 08:10:38,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 726 transitions. [2021-04-29 08:10:38,599 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4879032258064516 [2021-04-29 08:10:38,599 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 726 transitions. [2021-04-29 08:10:38,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 726 transitions. [2021-04-29 08:10:38,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:10:38,600 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 726 transitions. [2021-04-29 08:10:38,601 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 30.25) internal successors, (726), 24 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:10:38,603 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 62.0) internal successors, (1550), 25 states have internal predecessors, (1550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:10:38,603 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 62.0) internal successors, (1550), 25 states have internal predecessors, (1550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:10:38,604 INFO L185 Difference]: Start difference. First operand has 690 places, 2010 transitions, 52564 flow. Second operand 24 states and 726 transitions. [2021-04-29 08:10:38,604 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 713 places, 2044 transitions, 57263 flow [2021-04-29 08:10:42,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 697 places, 2044 transitions, 56221 flow, removed 62 selfloop flow, removed 16 redundant places. [2021-04-29 08:10:42,258 INFO L241 Difference]: Finished difference. Result has 700 places, 2037 transitions, 52930 flow [2021-04-29 08:10:42,260 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=51548, PETRI_DIFFERENCE_MINUEND_PLACES=674, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2010, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=431, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1573, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=52930, PETRI_PLACES=700, PETRI_TRANSITIONS=2037} [2021-04-29 08:10:42,260 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 648 predicate places. [2021-04-29 08:10:42,260 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:10:42,260 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 700 places, 2037 transitions, 52930 flow [2021-04-29 08:10:42,260 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 700 places, 2037 transitions, 52930 flow [2021-04-29 08:10:42,284 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 699 places, 2037 transitions, 52930 flow [2021-04-29 08:10:43,499 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([123] L63-->thread4EXIT: Formula: (= v_t22_7 v_x2_11) InVars {t22=v_t22_7} OutVars{x2=v_x2_11, t22=v_t22_7} AuxVars[] AssignedVars[x2][1879], [Black: 1519#(and (<= t22 (+ x1 1)) (<= t12 t11) (<= y2 t11) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= y2 y1) (<= t11 y2) (<= t11 t12)), Black: 1487#(and (<= (+ y2 1) y1) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), 1539#true, 8#L73true, Black: 1010#(and (= y2 y1) (<= t12 (+ y1 1)) (= x2 x1) (<= (+ y1 1) t12)), Black: 995#(and (= y2 y1) (= x2 x1)), Black: 1028#(and (<= y2 t11) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= t11 y2)), Black: 999#(and (<= t12 (+ y1 1)) (<= x1 x2) (<= x2 x1) (<= (+ y1 1) t12)), Black: 1000#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= (+ y1 1) t12)), 16#L30true, Black: 1018#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= (+ y1 1) t12)), Black: 496#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= t11 y2)), Black: 514#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= (+ y1 1) t12)), Black: 1002#(and (<= (+ y1 1) y2) (<= x1 (+ x2 1)) (<= y2 (+ y1 1)) (<= (+ x2 1) x1)), Black: 1020#(and (<= t21 (+ x2 1)) (<= (+ y1 1) y2) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= x1 (+ x2 1)) (<= y2 (+ y1 1)) (<= (+ x2 1) x1) (<= (+ y1 1) t12)), Black: 516#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= t11 y2) (<= (+ y1 1) t12)), Black: 504#(and (= y2 y1) (<= t12 (+ y1 1)) (= x2 x1) (<= (+ y1 1) t12)), 1043#true, Black: 488#(and (= y2 y1) (= x2 x1)), Black: 508#(and (<= t22 (+ x1 1)) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= x1 x2) (<= x2 x1) (<= (+ y1 1) t12)), Black: 492#(and (<= t12 (+ y1 1)) (<= x1 x2) (<= x2 x1) (<= (+ y1 1) t12)), Black: 493#(and (<= t22 (+ x1 1)) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= (+ y1 1) t12)), 537#true, Black: 2071#(and (<= t12 t11) (<= y2 t11) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= t11 y2) (<= t11 t12)), Black: 2041#(and (<= t12 t11) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= t11 t12)), Black: 2059#(and (= y2 y1) (<= t22 x1) (= x2 x1) (<= x1 t22)), 43#L41true, Black: 1570#(and (<= t22 (+ x1 1)) (<= (+ y2 1) y1) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= (+ x1 1) t22) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), Black: 1576#(and (<= (+ y2 1) y1) (<= t21 x2) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= x2 t21) (<= y1 (+ y2 1))), Black: 1546#(and (<= t22 (+ x1 1)) (<= (+ x1 1) t22) (<= t11 (+ y2 1)) (<= (+ y2 1) t11)), 1584#true, 51#thread4EXITtrue, 53#thread3EXITtrue, Black: 544#(and (<= t22 (+ x1 1)) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= (+ y1 1) t12)), Black: 561#(and (<= t22 (+ x1 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= y1 y2) (<= (+ x1 1) t22) (<= y2 y1) (<= (+ y1 1) t12)), Black: 565#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= (+ y1 1) t12)), Black: 569#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= t12 (+ y1 1)) (<= (+ x1 1) t22) (<= y2 (+ y1 1)) (<= t11 y2) (<= (+ y1 1) t12)), Black: 571#(and (= y2 y1) (<= t21 x2) (= x2 x1) (<= x2 t21)), Black: 555#(and (<= t22 (+ x1 1)) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= y2 y1)), Black: 1088#(and (< x2 (+ x1 1)) (<= t12 t11) (<= t12 y1) (<= x1 x2) (<= y1 t12) (<= t11 t12)), Black: 573#(and (<= t22 (+ x1 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= y1 y2) (<= (+ x1 1) t22) (<= y2 y1) (<= t11 y2)), Black: 1092#(and (= y2 y1) (<= t22 x1) (<= t12 (+ y1 1)) (= x2 x1) (<= x1 t22) (<= (+ y1 1) t12)), Black: 77#(not f22), 591#true, Black: 1078#(and (<= t21 (+ x2 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1497#(and (<= t22 (+ x1 1)) (<= t22 t21) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= t11 (+ y2 1)) (<= t21 t22) (<= (+ y2 1) t11) (<= y2 y1)), Black: 1466#(and (<= t22 (+ x1 1)) (<= y1 y2) (<= (+ x1 1) t22) (<= y2 y1)), Black: 1515#(and (<= t22 t21) (<= y1 y2) (<= t21 x2) (= x2 x1) (<= t21 t22) (<= y2 y1) (<= x2 t21)), Black: 1501#(and (< x1 (+ x2 1)) (<= t12 t11) (<= y2 t11) (<= x2 x1) (<= t11 y2) (<= t11 t12)), Black: 1485#(and (<= t22 (+ x1 1)) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y2 y1))]) [2021-04-29 08:10:43,499 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-04-29 08:10:43,499 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-04-29 08:10:43,499 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-04-29 08:10:43,500 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-04-29 08:10:43,500 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([128] L41-->thread2EXIT: Formula: (= v_x1_22 v_t21_15) InVars {t21=v_t21_15} OutVars{x1=v_x1_22, t21=v_t21_15} AuxVars[] AssignedVars[x1][895], [Black: 1519#(and (<= t22 (+ x1 1)) (<= t12 t11) (<= y2 t11) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= y2 y1) (<= t11 y2) (<= t11 t12)), Black: 1487#(and (<= (+ y2 1) y1) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), 1539#true, 8#L73true, Black: 1010#(and (= y2 y1) (<= t12 (+ y1 1)) (= x2 x1) (<= (+ y1 1) t12)), Black: 995#(and (= y2 y1) (= x2 x1)), Black: 1028#(and (<= y2 t11) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= t11 y2)), Black: 999#(and (<= t12 (+ y1 1)) (<= x1 x2) (<= x2 x1) (<= (+ y1 1) t12)), Black: 1000#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= (+ y1 1) t12)), 16#L30true, Black: 1018#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= t12 (+ y1 1)) (<= y1 y2) (<= x1 (+ x2 1)) (<= 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(<= t11 (+ y2 1)) (<= (+ x2 1) x1) (<= (+ y2 1) t11) (<= y1 t12) (<= y1 (+ y2 1))), Black: 1940#(and (<= t12 y1) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1) (<= y1 t12)), Black: 1928#(and (<= (+ y2 1) y1) (<= x1 (+ x2 1)) (<= t11 (+ y2 1)) (<= (+ x2 1) x1) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), Black: 1440#(and (<= (+ y2 1) y1) (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= t12 y1) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y1 t12) (<= y1 (+ y2 1))), Black: 420#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= (+ x1 1) t22) (<= t21 x2) (<= y2 (+ y1 1)) (<= x2 t21)), Black: 1446#(and (<= (+ y2 1) y1) (<= t22 t21) (<= t21 x2) (<= t21 t22) (<= x2 t21) (<= y1 (+ y2 1))), Black: 1434#(and (<= (+ y2 1) y1) (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), Black: 1450#(and (<= (+ y2 1) y1) (<= t22 t21) (<= t21 x2) (= x2 x1) (<= t21 t22) (<= x2 t21) (<= y1 (+ y2 1))), Black: 408#(and (<= t22 (+ x1 1)) (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= (+ x1 1) t22) (<= y2 (+ y1 1))), Black: 393#(and (<= (+ y1 1) y2) (<= x1 x2) (<= y2 (+ y1 1)) (<= x2 x1)), Black: 1419#(and (<= (+ y2 1) y1) (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= y1 (+ y2 1))), 1460#true, Black: 410#(and (<= (+ y1 1) y2) (<= t12 (+ y1 1)) (<= x1 x2) (<= y2 (+ y1 1)) (<= x2 x1) (<= (+ y1 1) t12)), Black: 395#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 (+ y1 1))), 439#true, Black: 1971#(and (<= y1 y2) (<= x1 (+ x2 1)) (<= t11 (+ y2 1)) (<= (+ x2 1) x1) (<= (+ y2 1) t11) (<= y2 y1)), Black: 1979#(and (= y2 y1) (<= t22 x1) (= x2 x1) (<= t11 (+ y2 1)) (<= x1 t22) (<= (+ y2 1) t11)), Black: 1983#(and (<= (+ y2 1) y1) (<= t22 x1) (= x2 x1) (<= t11 (+ y2 1)) (<= x1 t22) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), Black: 928#(and (<= (+ y2 1) y1) (= x2 x1) (<= y1 (+ y2 1))), Black: 930#(and (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1)), Black: 931#(and (<= (+ x2 2) t21) (<= y1 y2) (<= y2 y1) (<= t21 (+ x2 2))), Black: 963#(and (= y2 y1) (<= t12 y1) (= x2 x1) (<= y1 t12)), Black: 932#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= y1 y2) (<= y2 y1)), Black: 965#(and (<= (+ y2 1) y1) (<= t22 x1) (<= x1 (+ x2 1)) (<= t11 (+ y2 1)) (<= x1 t22) (<= (+ x2 1) x1) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), Black: 969#(and (<= (+ y2 1) y1) (<= t22 x1) (= x2 x1) (<= x1 t22) (<= y1 (+ y2 1))), Black: 945#(and (<= y1 y2) (<= x1 (+ x2 1)) (<= t11 (+ y2 1)) (<= (+ x2 1) x1) (<= (+ y2 1) t11) (<= y2 y1)), Black: 955#(and (<= (+ y2 1) y1) (<= x1 (+ x2 1)) (<= t11 (+ y2 1)) (<= (+ x2 1) x1) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), Black: 957#(and (<= t21 (+ x2 1)) (<= (+ x2 1) t21) (<= y1 y2) (<= x1 (+ x2 1)) (<= (+ x2 1) x1) (<= y2 y1)), Black: 448#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 (+ y1 1))), Black: 449#(and (<= (+ y1 1) y2) (<= t21 x2) (<= y2 (+ y1 1)) (<= x2 t21)), Black: 927#(and (= y2 y1) (= x2 x1)), Black: 467#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= t21 x2) (<= y2 (+ y1 1)) (<= x2 t21) (<= (+ y1 1) t12)), 993#true, Black: 459#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 1)) (<= y2 (+ y1 1)) (<= (+ y1 1) t12)), Black: 446#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y1 y2) (<= y2 y1)), Black: 463#(and (<= t22 (+ x1 1)) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y1 y2) (<= (+ x1 1) t22) (<= y2 y1)), 486#true, Black: 2017#(and (<= (+ y2 1) y1) (<= x1 (+ x2 1)) (<= t11 (+ y2 1)) (<= (+ x2 1) x1) (<= (+ y2 1) t11) (<= y1 (+ y2 1))), Black: 2025#(and (<= (+ y2 1) y1) (<= t22 x1) (= x2 x1) (<= x1 t22) (<= y1 (+ y2 1))), 2033#true, Black: 1521#(and (<= t22 t21) (<= y1 y2) (<= t21 x2) (= x2 x1) (<= t11 (+ y2 1)) (<= t21 t22) (<= (+ y2 1) t11) (<= y2 y1) (<= x2 t21)), Black: 1513#(and (= y2 y1) (<= t12 t11) (<= y2 t11) (= x2 x1) (<= t11 y2) (<= t11 t12)), Black: 1481#(and (= y2 y1) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11)), Black: 1497#(and (<= t22 (+ x1 1)) (<= t22 t21) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= t11 (+ y2 1)) (<= t21 t22) (<= (+ y2 1) t11) (<= y2 y1)), Black: 1466#(and (<= t22 (+ x1 1)) (<= y1 y2) (<= (+ x1 1) t22) (<= y2 y1)), Black: 1515#(and (<= t22 t21) (<= y1 y2) (<= t21 x2) (= x2 x1) (<= t21 t22) (<= y2 y1) (<= x2 t21)), Black: 1501#(and (< x1 (+ x2 1)) (<= t12 t11) (<= y2 t11) (<= x2 x1) (<= t11 y2) (<= t11 t12)), Black: 1485#(and (<= t22 (+ x1 1)) (<= y1 y2) (<= (+ x1 1) t22) (= x2 x1) (<= t11 (+ y2 1)) (<= (+ y2 1) t11) (<= y2 y1))]) [2021-04-29 08:10:43,500 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-04-29 08:10:43,500 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-04-29 08:10:43,500 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-04-29 08:10:43,500 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-04-29 08:10:43,957 INFO L129 PetriNetUnfolder]: 2453/4326 cut-off events. [2021-04-29 08:10:43,957 INFO L130 PetriNetUnfolder]: For 404990/405434 co-relation queries the response was YES. [2021-04-29 08:10:44,050 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70218 conditions, 4326 events. 2453/4326 cut-off events. For 404990/405434 co-relation queries the response was YES. Maximal size of possible extension queue 501. Compared 30151 event pairs, 187 based on Foata normal form. 43/4269 useless extension candidates. Maximal degree in co-relation 69930. Up to 1390 conditions per place. [2021-04-29 08:10:44,117 INFO L146 LiptonReduction]: Number of co-enabled transitions 1588 [2021-04-29 08:10:45,047 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:10:45,047 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:10:45,047 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2787 [2021-04-29 08:10:45,048 INFO L480 AbstractCegarLoop]: Abstraction has has 699 places, 2037 transitions, 52930 flow [2021-04-29 08:10:45,048 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.272727272727273) internal successors, (300), 11 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:10:45,048 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:10:45,048 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:10:45,048 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-04-29 08:10:45,048 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:10:45,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:10:45,048 INFO L82 PathProgramCache]: Analyzing trace with hash -1897323248, now seen corresponding path program 13 times [2021-04-29 08:10:45,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:10:45,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662849485] [2021-04-29 08:10:45,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:10:45,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:10:45,067 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:10:45,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:10:45,076 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:10:45,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:10:45,085 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:10:45,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:10:45,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:45,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:10:45,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:45,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:10:45,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:45,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:10:45,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:45,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:10:45,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:45,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:10:45,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:45,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:10:45,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:45,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:10:45,251 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-04-29 08:10:45,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:10:45,262 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:10:45,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:10:45,296 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:10:45,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:10:45,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:10:45,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662849485] [2021-04-29 08:10:45,301 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:10:45,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:10:45,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596294711] [2021-04-29 08:10:45,301 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:10:45,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:10:45,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:10:45,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:10:45,303 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:10:45,303 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 699 places, 2037 transitions, 52930 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:10:45,303 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:10:45,303 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:10:45,303 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:10:50,630 INFO L129 PetriNetUnfolder]: 2815/4762 cut-off events. [2021-04-29 08:10:50,630 INFO L130 PetriNetUnfolder]: For 561214/561422 co-relation queries the response was YES. [2021-04-29 08:10:50,722 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84208 conditions, 4762 events. 2815/4762 cut-off events. For 561214/561422 co-relation queries the response was YES. Maximal size of possible extension queue 491. Compared 31207 event pairs, 444 based on Foata normal form. 43/4804 useless extension candidates. Maximal degree in co-relation 83914. Up to 4227 conditions per place. [2021-04-29 08:10:50,759 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1585 selfloop transitions, 452 changer transitions 5/2050 dead transitions. [2021-04-29 08:10:50,760 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 714 places, 2050 transitions, 57820 flow [2021-04-29 08:10:50,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-29 08:10:50,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-04-29 08:10:50,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 500 transitions. [2021-04-29 08:10:50,761 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5040322580645161 [2021-04-29 08:10:50,762 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 500 transitions. [2021-04-29 08:10:50,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 500 transitions. [2021-04-29 08:10:50,762 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:10:50,762 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 500 transitions. [2021-04-29 08:10:50,763 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 31.25) internal successors, (500), 16 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:10:50,764 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 62.0) internal successors, (1054), 17 states have internal predecessors, (1054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:10:50,764 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 62.0) internal successors, (1054), 17 states have internal predecessors, (1054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:10:50,764 INFO L185 Difference]: Start difference. First operand has 699 places, 2037 transitions, 52930 flow. Second operand 16 states and 500 transitions. [2021-04-29 08:10:50,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 714 places, 2050 transitions, 57820 flow [2021-04-29 08:10:54,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 698 places, 2050 transitions, 57160 flow, removed 49 selfloop flow, removed 16 redundant places. [2021-04-29 08:10:54,470 INFO L241 Difference]: Finished difference. Result has 702 places, 2038 transitions, 53333 flow [2021-04-29 08:10:54,472 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=52274, PETRI_DIFFERENCE_MINUEND_PLACES=683, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2037, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=450, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1585, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=53333, PETRI_PLACES=702, PETRI_TRANSITIONS=2038} [2021-04-29 08:10:54,472 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 650 predicate places. [2021-04-29 08:10:54,473 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:10:54,473 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 702 places, 2038 transitions, 53333 flow [2021-04-29 08:10:54,473 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 702 places, 2038 transitions, 53333 flow [2021-04-29 08:10:54,515 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 701 places, 2038 transitions, 53333 flow [2021-04-29 08:10:56,593 INFO L129 PetriNetUnfolder]: 2429/4298 cut-off events. [2021-04-29 08:10:56,593 INFO L130 PetriNetUnfolder]: For 402498/402868 co-relation queries the response was YES. [2021-04-29 08:10:56,679 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69822 conditions, 4298 events. 2429/4298 cut-off events. For 402498/402868 co-relation queries the response was YES. Maximal size of possible extension queue 489. Compared 30092 event pairs, 184 based on Foata normal form. 40/4252 useless extension candidates. Maximal degree in co-relation 69531. Up to 1341 conditions per place. [2021-04-29 08:10:56,739 INFO L146 LiptonReduction]: Number of co-enabled transitions 1594 [2021-04-29 08:10:57,477 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:10:57,477 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:10:57,477 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3004 [2021-04-29 08:10:57,478 INFO L480 AbstractCegarLoop]: Abstraction has has 701 places, 2038 transitions, 53333 flow [2021-04-29 08:10:57,478 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:10:57,478 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:10:57,478 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] [2021-04-29 08:10:57,478 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-04-29 08:10:57,478 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:10:57,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:10:57,478 INFO L82 PathProgramCache]: Analyzing trace with hash -1481753898, now seen corresponding path program 14 times [2021-04-29 08:10:57,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:10:57,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121983228] [2021-04-29 08:10:57,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:10:57,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:10:57,526 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:10:57,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:10:57,534 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:10:57,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:10:57,547 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:10:57,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:10:57,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:57,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:10:57,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:57,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:10:57,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:57,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:10:57,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:57,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:10:57,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:57,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:10:57,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:57,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:10:57,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:10:57,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:10:57,706 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-04-29 08:10:57,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:10:57,720 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:10:57,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:10:57,748 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:10:57,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:10:57,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:10:57,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121983228] [2021-04-29 08:10:57,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:10:57,753 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:10:57,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105051811] [2021-04-29 08:10:57,753 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:10:57,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:10:57,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:10:57,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:10:57,754 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:10:57,755 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 701 places, 2038 transitions, 53333 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:10:57,755 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:10:57,755 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:10:57,755 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:11:03,431 INFO L129 PetriNetUnfolder]: 2814/4768 cut-off events. [2021-04-29 08:11:03,431 INFO L130 PetriNetUnfolder]: For 567935/568141 co-relation queries the response was YES. [2021-04-29 08:11:03,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84983 conditions, 4768 events. 2814/4768 cut-off events. For 567935/568141 co-relation queries the response was YES. Maximal size of possible extension queue 488. Compared 31302 event pairs, 458 based on Foata normal form. 43/4810 useless extension candidates. Maximal degree in co-relation 84686. Up to 4256 conditions per place. [2021-04-29 08:11:03,567 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1564 selfloop transitions, 473 changer transitions 9/2054 dead transitions. [2021-04-29 08:11:03,567 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 723 places, 2054 transitions, 57832 flow [2021-04-29 08:11:03,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-04-29 08:11:03,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-04-29 08:11:03,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 699 transitions. [2021-04-29 08:11:03,569 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4901823281907433 [2021-04-29 08:11:03,569 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 699 transitions. [2021-04-29 08:11:03,569 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 699 transitions. [2021-04-29 08:11:03,569 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:11:03,569 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 699 transitions. [2021-04-29 08:11:03,570 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 30.391304347826086) internal successors, (699), 23 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:11:03,571 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 62.0) internal successors, (1488), 24 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:11:03,572 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 62.0) internal successors, (1488), 24 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:11:03,572 INFO L185 Difference]: Start difference. First operand has 701 places, 2038 transitions, 53333 flow. Second operand 23 states and 699 transitions. [2021-04-29 08:11:03,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 723 places, 2054 transitions, 57832 flow [2021-04-29 08:11:07,177 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 708 places, 2054 transitions, 56780 flow, removed 64 selfloop flow, removed 15 redundant places. [2021-04-29 08:11:07,237 INFO L241 Difference]: Finished difference. Result has 710 places, 2041 transitions, 53390 flow [2021-04-29 08:11:07,239 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=52291, PETRI_DIFFERENCE_MINUEND_PLACES=686, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2038, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=470, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1568, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=53390, PETRI_PLACES=710, PETRI_TRANSITIONS=2041} [2021-04-29 08:11:07,239 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 658 predicate places. [2021-04-29 08:11:07,240 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:11:07,240 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 710 places, 2041 transitions, 53390 flow [2021-04-29 08:11:07,240 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 710 places, 2041 transitions, 53390 flow [2021-04-29 08:11:07,274 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 709 places, 2041 transitions, 53390 flow [2021-04-29 08:11:08,850 INFO L129 PetriNetUnfolder]: 2436/4265 cut-off events. [2021-04-29 08:11:08,851 INFO L130 PetriNetUnfolder]: For 395598/396223 co-relation queries the response was YES. [2021-04-29 08:11:08,950 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69899 conditions, 4265 events. 2436/4265 cut-off events. For 395598/396223 co-relation queries the response was YES. Maximal size of possible extension queue 461. Compared 29660 event pairs, 167 based on Foata normal form. 47/4182 useless extension candidates. Maximal degree in co-relation 69609. Up to 1367 conditions per place. [2021-04-29 08:11:09,022 INFO L146 LiptonReduction]: Number of co-enabled transitions 1614 [2021-04-29 08:11:10,049 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:11:10,049 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:11:10,050 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2810 [2021-04-29 08:11:10,050 INFO L480 AbstractCegarLoop]: Abstraction has has 709 places, 2041 transitions, 53390 flow [2021-04-29 08:11:10,050 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:11:10,050 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:11:10,050 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] [2021-04-29 08:11:10,050 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-04-29 08:11:10,050 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:11:10,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:11:10,051 INFO L82 PathProgramCache]: Analyzing trace with hash -952043888, now seen corresponding path program 15 times [2021-04-29 08:11:10,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:11:10,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409611287] [2021-04-29 08:11:10,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:11:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:11:10,068 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:11:10,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:11:10,074 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:11:10,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:11:10,083 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:11:10,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:11:10,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:11:10,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:11:10,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:11:10,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:11:10,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:11:10,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:11:10,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:11:10,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:11:10,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:11:10,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:11:10,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:11:10,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:11:10,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:11:10,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:11:10,214 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-04-29 08:11:10,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:11:10,223 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:11:10,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:11:10,254 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:11:10,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:11:10,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:11:10,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409611287] [2021-04-29 08:11:10,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:11:10,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 08:11:10,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840193714] [2021-04-29 08:11:10,260 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 08:11:10,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:11:10,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 08:11:10,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-04-29 08:11:10,261 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:11:10,261 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 709 places, 2041 transitions, 53390 flow. Second operand has 11 states, 11 states have (on average 27.272727272727273) internal successors, (300), 11 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:11:10,261 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:11:10,261 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:11:10,261 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:11:16,032 INFO L129 PetriNetUnfolder]: 2812/4759 cut-off events. [2021-04-29 08:11:16,032 INFO L130 PetriNetUnfolder]: For 562614/562822 co-relation queries the response was YES. [2021-04-29 08:11:16,125 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84671 conditions, 4759 events. 2812/4759 cut-off events. For 562614/562822 co-relation queries the response was YES. Maximal size of possible extension queue 484. Compared 31141 event pairs, 459 based on Foata normal form. 43/4801 useless extension candidates. Maximal degree in co-relation 84375. Up to 4271 conditions per place. [2021-04-29 08:11:16,163 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1579 selfloop transitions, 456 changer transitions 2/2045 dead transitions. [2021-04-29 08:11:16,163 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 730 places, 2045 transitions, 57554 flow [2021-04-29 08:11:16,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-04-29 08:11:16,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-04-29 08:11:16,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 669 transitions. [2021-04-29 08:11:16,164 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4904692082111437 [2021-04-29 08:11:16,164 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 669 transitions. [2021-04-29 08:11:16,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 669 transitions. [2021-04-29 08:11:16,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:11:16,165 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 669 transitions. [2021-04-29 08:11:16,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 30.40909090909091) internal successors, (669), 22 states have internal predecessors, (669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:11:16,171 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 62.0) internal successors, (1426), 23 states have internal predecessors, (1426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:11:16,171 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 62.0) internal successors, (1426), 23 states have internal predecessors, (1426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:11:16,172 INFO L185 Difference]: Start difference. First operand has 709 places, 2041 transitions, 53390 flow. Second operand 22 states and 669 transitions. [2021-04-29 08:11:16,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 730 places, 2045 transitions, 57554 flow [2021-04-29 08:11:19,719 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 709 places, 2045 transitions, 56805 flow, removed 66 selfloop flow, removed 21 redundant places. [2021-04-29 08:11:19,778 INFO L241 Difference]: Finished difference. Result has 711 places, 2041 transitions, 53590 flow [2021-04-29 08:11:19,780 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=52643, PETRI_DIFFERENCE_MINUEND_PLACES=688, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2041, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=456, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1585, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=53590, PETRI_PLACES=711, PETRI_TRANSITIONS=2041} [2021-04-29 08:11:19,780 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 659 predicate places. [2021-04-29 08:11:19,780 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:11:19,780 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 711 places, 2041 transitions, 53590 flow [2021-04-29 08:11:19,781 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 711 places, 2041 transitions, 53590 flow [2021-04-29 08:11:19,820 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 710 places, 2041 transitions, 53590 flow [2021-04-29 08:11:21,772 INFO L129 PetriNetUnfolder]: 2436/4296 cut-off events. [2021-04-29 08:11:21,772 INFO L130 PetriNetUnfolder]: For 389740/390178 co-relation queries the response was YES. [2021-04-29 08:11:21,862 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69934 conditions, 4296 events. 2436/4296 cut-off events. For 389740/390178 co-relation queries the response was YES. Maximal size of possible extension queue 473. Compared 29983 event pairs, 176 based on Foata normal form. 55/4249 useless extension candidates. Maximal degree in co-relation 69662. Up to 1357 conditions per place. [2021-04-29 08:11:21,927 INFO L146 LiptonReduction]: Number of co-enabled transitions 1614 [2021-04-29 08:11:22,683 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:11:22,683 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:11:22,683 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2903 [2021-04-29 08:11:22,683 INFO L480 AbstractCegarLoop]: Abstraction has has 710 places, 2041 transitions, 53590 flow [2021-04-29 08:11:22,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.272727272727273) internal successors, (300), 11 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:11:22,684 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:11:22,684 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] [2021-04-29 08:11:22,684 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-04-29 08:11:22,684 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:11:22,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:11:22,685 INFO L82 PathProgramCache]: Analyzing trace with hash 1110397584, now seen corresponding path program 16 times [2021-04-29 08:11:22,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:11:22,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574421786] [2021-04-29 08:11:22,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:11:22,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:11:22,701 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:11:22,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:11:22,708 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:11:22,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:11:22,717 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:11:22,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:11:22,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:11:22,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:11:22,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:11:22,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:11:22,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:11:22,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:11:22,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:11:22,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:11:22,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:11:22,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:11:22,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:11:22,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:11:22,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:11:22,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:11:22,838 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-04-29 08:11:22,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:11:22,845 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:11:22,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:11:22,876 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:11:22,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:11:22,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:11:22,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574421786] [2021-04-29 08:11:22,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:11:22,882 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 08:11:22,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871960105] [2021-04-29 08:11:22,882 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 08:11:22,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:11:22,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 08:11:22,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-04-29 08:11:22,883 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:11:22,883 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 710 places, 2041 transitions, 53590 flow. Second operand has 11 states, 11 states have (on average 27.272727272727273) internal successors, (300), 11 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:11:22,884 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:11:22,884 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:11:22,884 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:11:27,992 INFO L129 PetriNetUnfolder]: 2814/4766 cut-off events. [2021-04-29 08:11:27,992 INFO L130 PetriNetUnfolder]: For 545457/545665 co-relation queries the response was YES. [2021-04-29 08:11:28,090 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84708 conditions, 4766 events. 2814/4766 cut-off events. For 545457/545665 co-relation queries the response was YES. Maximal size of possible extension queue 487. Compared 31201 event pairs, 460 based on Foata normal form. 43/4808 useless extension candidates. Maximal degree in co-relation 84428. Up to 4300 conditions per place. [2021-04-29 08:11:28,127 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1606 selfloop transitions, 435 changer transitions 5/2054 dead transitions. [2021-04-29 08:11:28,127 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 726 places, 2054 transitions, 58009 flow [2021-04-29 08:11:28,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-04-29 08:11:28,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-04-29 08:11:28,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 523 transitions. [2021-04-29 08:11:28,129 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49620493358633777 [2021-04-29 08:11:28,129 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 523 transitions. [2021-04-29 08:11:28,129 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 523 transitions. [2021-04-29 08:11:28,129 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:11:28,129 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 523 transitions. [2021-04-29 08:11:28,129 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 30.764705882352942) internal successors, (523), 17 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:11:28,130 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 62.0) internal successors, (1116), 18 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:11:28,130 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 62.0) internal successors, (1116), 18 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:11:28,130 INFO L185 Difference]: Start difference. First operand has 710 places, 2041 transitions, 53590 flow. Second operand 17 states and 523 transitions. [2021-04-29 08:11:28,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 726 places, 2054 transitions, 58009 flow [2021-04-29 08:11:31,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 705 places, 2054 transitions, 57047 flow, removed 2 selfloop flow, removed 21 redundant places. [2021-04-29 08:11:31,848 INFO L241 Difference]: Finished difference. Result has 709 places, 2046 transitions, 53655 flow [2021-04-29 08:11:31,850 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=52647, PETRI_DIFFERENCE_MINUEND_PLACES=689, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2041, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=429, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1610, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=53655, PETRI_PLACES=709, PETRI_TRANSITIONS=2046} [2021-04-29 08:11:31,850 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 657 predicate places. [2021-04-29 08:11:31,850 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:11:31,851 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 709 places, 2046 transitions, 53655 flow [2021-04-29 08:11:31,851 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 709 places, 2046 transitions, 53655 flow [2021-04-29 08:11:31,888 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 707 places, 2046 transitions, 53655 flow [2021-04-29 08:11:33,536 INFO L129 PetriNetUnfolder]: 2444/4305 cut-off events. [2021-04-29 08:11:33,536 INFO L130 PetriNetUnfolder]: For 401722/402225 co-relation queries the response was YES. [2021-04-29 08:11:33,633 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70481 conditions, 4305 events. 2444/4305 cut-off events. For 401722/402225 co-relation queries the response was YES. Maximal size of possible extension queue 473. Compared 30021 event pairs, 181 based on Foata normal form. 65/4262 useless extension candidates. Maximal degree in co-relation 70206. Up to 1357 conditions per place. [2021-04-29 08:11:33,702 INFO L146 LiptonReduction]: Number of co-enabled transitions 1618 [2021-04-29 08:11:34,741 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:11:34,741 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:11:34,741 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2891 [2021-04-29 08:11:34,741 INFO L480 AbstractCegarLoop]: Abstraction has has 707 places, 2046 transitions, 53655 flow [2021-04-29 08:11:34,742 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.272727272727273) internal successors, (300), 11 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:11:34,742 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:11:34,742 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] [2021-04-29 08:11:34,742 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-04-29 08:11:34,742 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:11:34,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:11:34,742 INFO L82 PathProgramCache]: Analyzing trace with hash -1702299630, now seen corresponding path program 17 times [2021-04-29 08:11:34,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:11:34,743 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086095333] [2021-04-29 08:11:34,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:11:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:11:34,760 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:11:34,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:11:34,767 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:11:34,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:11:34,777 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:11:34,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:11:34,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:11:34,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:11:34,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:11:34,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:11:34,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:11:34,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:11:34,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:11:34,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:11:34,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:11:34,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:11:34,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:11:34,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:11:34,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:11:34,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:11:34,892 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-04-29 08:11:34,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:11:34,903 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:11:34,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:11:34,931 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:11:34,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:11:34,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:11:34,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086095333] [2021-04-29 08:11:34,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:11:34,936 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 08:11:34,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570804564] [2021-04-29 08:11:34,936 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 08:11:34,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:11:34,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 08:11:34,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-04-29 08:11:34,938 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:11:34,938 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 707 places, 2046 transitions, 53655 flow. Second operand has 11 states, 11 states have (on average 27.272727272727273) internal successors, (300), 11 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:11:34,938 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:11:34,938 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:11:34,938 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:11:40,926 INFO L129 PetriNetUnfolder]: 2815/4778 cut-off events. [2021-04-29 08:11:40,926 INFO L130 PetriNetUnfolder]: For 550489/550695 co-relation queries the response was YES. [2021-04-29 08:11:41,019 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84882 conditions, 4778 events. 2815/4778 cut-off events. For 550489/550695 co-relation queries the response was YES. Maximal size of possible extension queue 488. Compared 31462 event pairs, 458 based on Foata normal form. 43/4820 useless extension candidates. Maximal degree in co-relation 84587. Up to 4289 conditions per place. [2021-04-29 08:11:41,056 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1589 selfloop transitions, 462 changer transitions 3/2062 dead transitions. [2021-04-29 08:11:41,056 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 730 places, 2062 transitions, 57976 flow [2021-04-29 08:11:41,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-04-29 08:11:41,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-04-29 08:11:41,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 731 transitions. [2021-04-29 08:11:41,058 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49126344086021506 [2021-04-29 08:11:41,058 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 731 transitions. [2021-04-29 08:11:41,058 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 731 transitions. [2021-04-29 08:11:41,058 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:11:41,058 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 731 transitions. [2021-04-29 08:11:41,059 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 30.458333333333332) internal successors, (731), 24 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:11:41,060 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 62.0) internal successors, (1550), 25 states have internal predecessors, (1550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:11:41,060 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 62.0) internal successors, (1550), 25 states have internal predecessors, (1550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:11:41,060 INFO L185 Difference]: Start difference. First operand has 707 places, 2046 transitions, 53655 flow. Second operand 24 states and 731 transitions. [2021-04-29 08:11:41,060 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 730 places, 2062 transitions, 57976 flow [2021-04-29 08:11:44,839 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 718 places, 2062 transitions, 57102 flow, removed 42 selfloop flow, removed 12 redundant places. [2021-04-29 08:11:44,899 INFO L241 Difference]: Finished difference. Result has 726 places, 2057 transitions, 53944 flow [2021-04-29 08:11:44,902 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=52783, PETRI_DIFFERENCE_MINUEND_PLACES=695, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2046, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=450, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1584, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=53944, PETRI_PLACES=726, PETRI_TRANSITIONS=2057} [2021-04-29 08:11:44,902 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 674 predicate places. [2021-04-29 08:11:44,902 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:11:44,902 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 726 places, 2057 transitions, 53944 flow [2021-04-29 08:11:44,902 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 726 places, 2057 transitions, 53944 flow [2021-04-29 08:11:44,939 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 725 places, 2057 transitions, 53944 flow [2021-04-29 08:11:46,894 INFO L129 PetriNetUnfolder]: 2454/4329 cut-off events. [2021-04-29 08:11:46,894 INFO L130 PetriNetUnfolder]: For 394332/394733 co-relation queries the response was YES. [2021-04-29 08:11:46,984 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70872 conditions, 4329 events. 2454/4329 cut-off events. For 394332/394733 co-relation queries the response was YES. Maximal size of possible extension queue 496. Compared 30305 event pairs, 165 based on Foata normal form. 51/4277 useless extension candidates. Maximal degree in co-relation 70601. Up to 1370 conditions per place. [2021-04-29 08:11:47,047 INFO L146 LiptonReduction]: Number of co-enabled transitions 1636 [2021-04-29 08:11:47,808 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:11:47,808 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:11:47,808 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2906 [2021-04-29 08:11:47,809 INFO L480 AbstractCegarLoop]: Abstraction has has 725 places, 2057 transitions, 53944 flow [2021-04-29 08:11:47,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.272727272727273) internal successors, (300), 11 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:11:47,809 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:11:47,809 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] [2021-04-29 08:11:47,809 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-04-29 08:11:47,809 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:11:47,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:11:47,810 INFO L82 PathProgramCache]: Analyzing trace with hash -1562024886, now seen corresponding path program 18 times [2021-04-29 08:11:47,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:11:47,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994179671] [2021-04-29 08:11:47,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:11:47,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:11:47,828 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:11:47,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:11:47,834 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:11:47,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:11:47,844 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:11:47,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:11:47,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:11:47,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:11:47,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:11:47,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:11:47,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:11:47,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:11:47,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:11:47,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:11:47,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:11:47,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:11:47,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:11:47,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:11:47,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:11:47,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:11:48,003 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-04-29 08:11:48,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:11:48,013 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:11:48,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:11:48,047 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:11:48,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:11:48,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:11:48,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994179671] [2021-04-29 08:11:48,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:11:48,052 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:11:48,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345975713] [2021-04-29 08:11:48,053 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:11:48,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:11:48,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:11:48,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:11:48,054 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:11:48,055 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 725 places, 2057 transitions, 53944 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:11:48,055 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:11:48,055 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:11:48,055 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:11:53,640 INFO L129 PetriNetUnfolder]: 2814/4774 cut-off events. [2021-04-29 08:11:53,640 INFO L130 PetriNetUnfolder]: For 549781/549995 co-relation queries the response was YES. [2021-04-29 08:11:53,742 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84785 conditions, 4774 events. 2814/4774 cut-off events. For 549781/549995 co-relation queries the response was YES. Maximal size of possible extension queue 487. Compared 31422 event pairs, 439 based on Foata normal form. 49/4822 useless extension candidates. Maximal degree in co-relation 84501. Up to 4259 conditions per place. [2021-04-29 08:11:53,781 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1564 selfloop transitions, 488 changer transitions 3/2063 dead transitions. [2021-04-29 08:11:53,782 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 749 places, 2063 transitions, 58185 flow [2021-04-29 08:11:53,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-04-29 08:11:53,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-04-29 08:11:54,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 755 transitions. [2021-04-29 08:11:54,021 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4870967741935484 [2021-04-29 08:11:54,021 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 755 transitions. [2021-04-29 08:11:54,021 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 755 transitions. [2021-04-29 08:11:54,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:11:54,021 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 755 transitions. [2021-04-29 08:11:54,023 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 30.2) internal successors, (755), 25 states have internal predecessors, (755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:11:54,024 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 62.0) internal successors, (1612), 26 states have internal predecessors, (1612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:11:54,028 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 62.0) internal successors, (1612), 26 states have internal predecessors, (1612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:11:54,028 INFO L185 Difference]: Start difference. First operand has 725 places, 2057 transitions, 53944 flow. Second operand 25 states and 755 transitions. [2021-04-29 08:11:54,028 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 749 places, 2063 transitions, 58185 flow [2021-04-29 08:11:57,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 732 places, 2063 transitions, 57205 flow, removed 14 selfloop flow, removed 17 redundant places. [2021-04-29 08:11:57,259 INFO L241 Difference]: Finished difference. Result has 734 places, 2057 transitions, 53986 flow [2021-04-29 08:11:57,260 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=52968, PETRI_DIFFERENCE_MINUEND_PLACES=708, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2057, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=488, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1569, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=53986, PETRI_PLACES=734, PETRI_TRANSITIONS=2057} [2021-04-29 08:11:57,260 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 682 predicate places. [2021-04-29 08:11:57,261 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:11:57,261 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 734 places, 2057 transitions, 53986 flow [2021-04-29 08:11:57,261 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 734 places, 2057 transitions, 53986 flow [2021-04-29 08:11:57,286 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 733 places, 2057 transitions, 53986 flow [2021-04-29 08:11:58,925 INFO L129 PetriNetUnfolder]: 2436/4311 cut-off events. [2021-04-29 08:11:58,926 INFO L130 PetriNetUnfolder]: For 385689/386111 co-relation queries the response was YES. [2021-04-29 08:11:59,023 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70054 conditions, 4311 events. 2436/4311 cut-off events. For 385689/386111 co-relation queries the response was YES. Maximal size of possible extension queue 468. Compared 30289 event pairs, 181 based on Foata normal form. 45/4249 useless extension candidates. Maximal degree in co-relation 69772. Up to 1356 conditions per place. [2021-04-29 08:11:59,089 INFO L146 LiptonReduction]: Number of co-enabled transitions 1636 [2021-04-29 08:12:00,224 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:12:00,225 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:12:00,225 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2964 [2021-04-29 08:12:00,225 INFO L480 AbstractCegarLoop]: Abstraction has has 733 places, 2057 transitions, 53986 flow [2021-04-29 08:12:00,225 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:12:00,226 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:12:00,226 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] [2021-04-29 08:12:00,226 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-04-29 08:12:00,226 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:12:00,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:12:00,226 INFO L82 PathProgramCache]: Analyzing trace with hash 2094255766, now seen corresponding path program 19 times [2021-04-29 08:12:00,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:12:00,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656940097] [2021-04-29 08:12:00,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:12:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:12:00,252 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:12:00,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:12:00,265 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:12:00,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:12:00,282 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:12:00,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:12:00,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:12:00,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:12:00,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:12:00,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:12:00,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:12:00,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:12:00,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:12:00,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:12:00,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:12:00,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:12:00,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:12:00,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:12:00,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:12:00,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:12:00,452 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-04-29 08:12:00,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:12:00,459 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:12:00,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:12:00,490 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:12:00,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:12:00,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:12:00,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656940097] [2021-04-29 08:12:00,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:12:00,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:12:00,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132911907] [2021-04-29 08:12:00,496 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:12:00,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:12:00,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:12:00,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:12:00,497 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:12:00,497 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 733 places, 2057 transitions, 53986 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:12:00,497 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:12:00,497 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:12:00,498 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:12:06,121 INFO L129 PetriNetUnfolder]: 2813/4783 cut-off events. [2021-04-29 08:12:06,121 INFO L130 PetriNetUnfolder]: For 546128/546240 co-relation queries the response was YES. [2021-04-29 08:12:06,214 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84865 conditions, 4783 events. 2813/4783 cut-off events. For 546128/546240 co-relation queries the response was YES. Maximal size of possible extension queue 487. Compared 31547 event pairs, 462 based on Foata normal form. 23/4805 useless extension candidates. Maximal degree in co-relation 84579. Up to 4284 conditions per place. [2021-04-29 08:12:06,252 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1596 selfloop transitions, 456 changer transitions 9/2069 dead transitions. [2021-04-29 08:12:06,252 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 752 places, 2069 transitions, 58419 flow [2021-04-29 08:12:06,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-04-29 08:12:06,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-04-29 08:12:06,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 609 transitions. [2021-04-29 08:12:06,255 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49112903225806454 [2021-04-29 08:12:06,255 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 609 transitions. [2021-04-29 08:12:06,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 609 transitions. [2021-04-29 08:12:06,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:12:06,255 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 609 transitions. [2021-04-29 08:12:06,256 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 30.45) internal successors, (609), 20 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:12:06,257 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 62.0) internal successors, (1302), 21 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:12:06,257 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 62.0) internal successors, (1302), 21 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:12:06,257 INFO L185 Difference]: Start difference. First operand has 733 places, 2057 transitions, 53986 flow. Second operand 20 states and 609 transitions. [2021-04-29 08:12:06,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 752 places, 2069 transitions, 58419 flow [2021-04-29 08:12:09,701 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 728 places, 2069 transitions, 57363 flow, removed 6 selfloop flow, removed 24 redundant places. [2021-04-29 08:12:09,752 INFO L241 Difference]: Finished difference. Result has 731 places, 2056 transitions, 53907 flow [2021-04-29 08:12:09,754 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=52952, PETRI_DIFFERENCE_MINUEND_PLACES=709, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2057, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=455, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1601, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=53907, PETRI_PLACES=731, PETRI_TRANSITIONS=2056} [2021-04-29 08:12:09,754 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 679 predicate places. [2021-04-29 08:12:09,754 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:12:09,755 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 731 places, 2056 transitions, 53907 flow [2021-04-29 08:12:09,755 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 731 places, 2056 transitions, 53907 flow [2021-04-29 08:12:09,784 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 729 places, 2056 transitions, 53907 flow [2021-04-29 08:12:11,615 INFO L129 PetriNetUnfolder]: 2430/4286 cut-off events. [2021-04-29 08:12:11,615 INFO L130 PetriNetUnfolder]: For 392037/392413 co-relation queries the response was YES. [2021-04-29 08:12:11,708 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70169 conditions, 4286 events. 2430/4286 cut-off events. For 392037/392413 co-relation queries the response was YES. Maximal size of possible extension queue 466. Compared 29952 event pairs, 188 based on Foata normal form. 47/4225 useless extension candidates. Maximal degree in co-relation 69884. Up to 1352 conditions per place. [2021-04-29 08:12:11,771 INFO L146 LiptonReduction]: Number of co-enabled transitions 1636 [2021-04-29 08:12:12,533 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:12:12,533 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:12:12,533 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2779 [2021-04-29 08:12:12,534 INFO L480 AbstractCegarLoop]: Abstraction has has 729 places, 2056 transitions, 53907 flow [2021-04-29 08:12:12,534 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:12:12,534 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:12:12,534 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] [2021-04-29 08:12:12,534 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-04-29 08:12:12,535 INFO L428 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:12:12,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:12:12,535 INFO L82 PathProgramCache]: Analyzing trace with hash 954140472, now seen corresponding path program 20 times [2021-04-29 08:12:12,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:12:12,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659174041] [2021-04-29 08:12:12,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:12:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:12:12,553 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:12:12,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:12:12,559 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:12:12,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:12:12,569 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:12:12,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:12:12,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:12:12,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:12:12,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:12:12,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:12:12,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:12:12,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:12:12,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:12:12,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:12:12,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:12:12,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:12:12,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:12:12,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:12:12,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:12:12,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:12:12,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:12:12,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:12:12,735 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:12:12,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:12:12,773 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:12:12,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:12:12,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:12:12,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659174041] [2021-04-29 08:12:12,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:12:12,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:12:12,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598669587] [2021-04-29 08:12:12,779 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:12:12,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:12:12,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:12:12,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:12:12,780 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:12:12,780 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 729 places, 2056 transitions, 53907 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:12:12,780 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:12:12,781 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:12:12,781 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:12:14,553 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2021-04-29 08:12:18,884 INFO L129 PetriNetUnfolder]: 2811/4806 cut-off events. [2021-04-29 08:12:18,884 INFO L130 PetriNetUnfolder]: For 550953/551161 co-relation queries the response was YES. [2021-04-29 08:12:18,985 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85013 conditions, 4806 events. 2811/4806 cut-off events. For 550953/551161 co-relation queries the response was YES. Maximal size of possible extension queue 485. Compared 31850 event pairs, 462 based on Foata normal form. 43/4848 useless extension candidates. Maximal degree in co-relation 84713. Up to 4275 conditions per place. [2021-04-29 08:12:19,022 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1591 selfloop transitions, 470 changer transitions 10/2079 dead transitions. [2021-04-29 08:12:19,022 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 759 places, 2079 transitions, 58264 flow [2021-04-29 08:12:19,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-04-29 08:12:19,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-04-29 08:12:19,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 925 transitions. [2021-04-29 08:12:19,024 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48126951092611864 [2021-04-29 08:12:19,024 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 925 transitions. [2021-04-29 08:12:19,024 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 925 transitions. [2021-04-29 08:12:19,024 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:12:19,024 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 925 transitions. [2021-04-29 08:12:19,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 31 states have (on average 29.838709677419356) internal successors, (925), 31 states have internal predecessors, (925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:12:19,026 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 32 states, 32 states have (on average 62.0) internal successors, (1984), 32 states have internal predecessors, (1984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:12:19,026 INFO L81 ComplementDD]: Finished complementDD. Result has 32 states, 32 states have (on average 62.0) internal successors, (1984), 32 states have internal predecessors, (1984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:12:19,026 INFO L185 Difference]: Start difference. First operand has 729 places, 2056 transitions, 53907 flow. Second operand 31 states and 925 transitions. [2021-04-29 08:12:19,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 759 places, 2079 transitions, 58264 flow [2021-04-29 08:12:22,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 741 places, 2079 transitions, 57320 flow, removed 37 selfloop flow, removed 18 redundant places. [2021-04-29 08:12:22,723 INFO L241 Difference]: Finished difference. Result has 748 places, 2065 transitions, 54010 flow [2021-04-29 08:12:22,725 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=52983, PETRI_DIFFERENCE_MINUEND_PLACES=711, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2056, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=454, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1592, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=54010, PETRI_PLACES=748, PETRI_TRANSITIONS=2065} [2021-04-29 08:12:22,726 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 696 predicate places. [2021-04-29 08:12:22,726 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:12:22,726 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 748 places, 2065 transitions, 54010 flow [2021-04-29 08:12:22,726 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 748 places, 2065 transitions, 54010 flow [2021-04-29 08:12:22,766 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 744 places, 2065 transitions, 54010 flow [2021-04-29 08:12:24,419 INFO L129 PetriNetUnfolder]: 2429/4318 cut-off events. [2021-04-29 08:12:24,419 INFO L130 PetriNetUnfolder]: For 374924/375331 co-relation queries the response was YES. [2021-04-29 08:12:24,518 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69735 conditions, 4318 events. 2429/4318 cut-off events. For 374924/375331 co-relation queries the response was YES. Maximal size of possible extension queue 477. Compared 30393 event pairs, 177 based on Foata normal form. 44/4254 useless extension candidates. Maximal degree in co-relation 69459. Up to 1352 conditions per place. [2021-04-29 08:12:24,585 INFO L146 LiptonReduction]: Number of co-enabled transitions 1630 [2021-04-29 08:12:25,596 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:12:25,596 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:12:25,596 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2870 [2021-04-29 08:12:25,596 INFO L480 AbstractCegarLoop]: Abstraction has has 744 places, 2065 transitions, 54010 flow [2021-04-29 08:12:25,597 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:12:25,597 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:12:25,597 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] [2021-04-29 08:12:25,597 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-04-29 08:12:25,597 INFO L428 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:12:25,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:12:25,597 INFO L82 PathProgramCache]: Analyzing trace with hash -94760382, now seen corresponding path program 21 times [2021-04-29 08:12:25,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:12:25,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157400022] [2021-04-29 08:12:25,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:12:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:12:25,613 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:12:25,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:12:25,619 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:12:25,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:12:25,635 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:12:25,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:12:25,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:12:25,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:12:25,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:12:25,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:12:25,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:12:25,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:12:25,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:12:25,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:12:25,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:12:25,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:12:25,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:12:25,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:12:25,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:12:25,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:12:25,786 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:12:25,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:12:25,817 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:12:25,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:12:25,852 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:12:25,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:12:25,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:12:25,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157400022] [2021-04-29 08:12:25,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:12:25,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:12:25,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268510612] [2021-04-29 08:12:25,858 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:12:25,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:12:25,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:12:25,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:12:25,860 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:12:25,860 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 744 places, 2065 transitions, 54010 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:12:25,861 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:12:25,861 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:12:25,861 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:12:32,426 INFO L129 PetriNetUnfolder]: 2807/4827 cut-off events. [2021-04-29 08:12:32,427 INFO L130 PetriNetUnfolder]: For 519767/519975 co-relation queries the response was YES. [2021-04-29 08:12:32,523 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84100 conditions, 4827 events. 2807/4827 cut-off events. For 519767/519975 co-relation queries the response was YES. Maximal size of possible extension queue 487. Compared 32256 event pairs, 441 based on Foata normal form. 43/4869 useless extension candidates. Maximal degree in co-relation 83819. Up to 4290 conditions per place. [2021-04-29 08:12:32,559 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1597 selfloop transitions, 483 changer transitions 3/2091 dead transitions. [2021-04-29 08:12:32,560 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 771 places, 2091 transitions, 58485 flow [2021-04-29 08:12:32,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-04-29 08:12:32,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-04-29 08:12:32,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 840 transitions. [2021-04-29 08:12:32,561 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4838709677419355 [2021-04-29 08:12:32,561 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 840 transitions. [2021-04-29 08:12:32,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 840 transitions. [2021-04-29 08:12:32,562 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:12:32,562 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 840 transitions. [2021-04-29 08:12:32,563 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 30.0) internal successors, (840), 28 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:12:32,564 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 62.0) internal successors, (1798), 29 states have internal predecessors, (1798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:12:32,564 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 62.0) internal successors, (1798), 29 states have internal predecessors, (1798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:12:32,564 INFO L185 Difference]: Start difference. First operand has 744 places, 2065 transitions, 54010 flow. Second operand 28 states and 840 transitions. [2021-04-29 08:12:32,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 771 places, 2091 transitions, 58485 flow [2021-04-29 08:12:36,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 751 places, 2091 transitions, 57603 flow, removed 12 selfloop flow, removed 20 redundant places. [2021-04-29 08:12:36,192 INFO L241 Difference]: Finished difference. Result has 757 places, 2079 transitions, 54279 flow [2021-04-29 08:12:36,194 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=53142, PETRI_DIFFERENCE_MINUEND_PLACES=724, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2065, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=468, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1589, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=54279, PETRI_PLACES=757, PETRI_TRANSITIONS=2079} [2021-04-29 08:12:36,194 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 705 predicate places. [2021-04-29 08:12:36,194 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:12:36,194 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 757 places, 2079 transitions, 54279 flow [2021-04-29 08:12:36,194 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 757 places, 2079 transitions, 54279 flow [2021-04-29 08:12:36,219 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 755 places, 2079 transitions, 54279 flow [2021-04-29 08:12:38,160 INFO L129 PetriNetUnfolder]: 2433/4365 cut-off events. [2021-04-29 08:12:38,161 INFO L130 PetriNetUnfolder]: For 378142/378619 co-relation queries the response was YES. [2021-04-29 08:12:38,254 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70336 conditions, 4365 events. 2433/4365 cut-off events. For 378142/378619 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 31043 event pairs, 168 based on Foata normal form. 47/4305 useless extension candidates. Maximal degree in co-relation 70052. Up to 1367 conditions per place. [2021-04-29 08:12:38,315 INFO L146 LiptonReduction]: Number of co-enabled transitions 1662 [2021-04-29 08:12:39,083 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:12:39,083 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:12:39,083 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2889 [2021-04-29 08:12:39,084 INFO L480 AbstractCegarLoop]: Abstraction has has 755 places, 2079 transitions, 54279 flow [2021-04-29 08:12:39,084 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:12:39,084 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:12:39,084 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] [2021-04-29 08:12:39,084 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-04-29 08:12:39,085 INFO L428 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:12:39,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:12:39,085 INFO L82 PathProgramCache]: Analyzing trace with hash 775979364, now seen corresponding path program 22 times [2021-04-29 08:12:39,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:12:39,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510842503] [2021-04-29 08:12:39,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:12:39,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:12:39,102 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:12:39,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:12:39,109 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:12:39,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:12:39,119 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:12:39,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:12:39,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:12:39,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:12:39,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:12:39,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:12:39,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:12:39,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:12:39,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:12:39,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:12:39,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:12:39,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:12:39,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:12:39,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:12:39,222 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-04-29 08:12:39,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:12:39,253 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:12:39,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:12:39,297 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:12:39,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:12:39,341 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:12:39,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:12:39,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:12:39,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510842503] [2021-04-29 08:12:39,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:12:39,348 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:12:39,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145163183] [2021-04-29 08:12:39,349 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:12:39,349 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:12:39,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:12:39,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:12:39,351 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:12:39,351 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 755 places, 2079 transitions, 54279 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:12:39,351 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:12:39,352 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:12:39,352 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:12:45,919 INFO L129 PetriNetUnfolder]: 2855/4909 cut-off events. [2021-04-29 08:12:45,919 INFO L130 PetriNetUnfolder]: For 523927/524135 co-relation queries the response was YES. [2021-04-29 08:12:46,024 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85806 conditions, 4909 events. 2855/4909 cut-off events. For 523927/524135 co-relation queries the response was YES. Maximal size of possible extension queue 498. Compared 32971 event pairs, 432 based on Foata normal form. 43/4951 useless extension candidates. Maximal degree in co-relation 85517. Up to 4105 conditions per place. [2021-04-29 08:12:46,062 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1487 selfloop transitions, 672 changer transitions 6/2173 dead transitions. [2021-04-29 08:12:46,062 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 783 places, 2173 transitions, 61543 flow [2021-04-29 08:12:46,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-04-29 08:12:46,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-04-29 08:12:46,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 902 transitions. [2021-04-29 08:12:46,064 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5016685205784205 [2021-04-29 08:12:46,064 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 902 transitions. [2021-04-29 08:12:46,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 902 transitions. [2021-04-29 08:12:46,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:12:46,065 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 902 transitions. [2021-04-29 08:12:46,066 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 31.103448275862068) internal successors, (902), 29 states have internal predecessors, (902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:12:46,068 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 62.0) internal successors, (1860), 30 states have internal predecessors, (1860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:12:46,068 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 62.0) internal successors, (1860), 30 states have internal predecessors, (1860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:12:46,068 INFO L185 Difference]: Start difference. First operand has 755 places, 2079 transitions, 54279 flow. Second operand 29 states and 902 transitions. [2021-04-29 08:12:46,068 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 783 places, 2173 transitions, 61543 flow [2021-04-29 08:12:49,742 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 768 places, 2173 transitions, 61024 flow, removed 6 selfloop flow, removed 15 redundant places. [2021-04-29 08:12:49,796 INFO L241 Difference]: Finished difference. Result has 773 places, 2134 transitions, 57267 flow [2021-04-29 08:12:49,798 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=53762, PETRI_DIFFERENCE_MINUEND_PLACES=740, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2079, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=614, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1410, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=57267, PETRI_PLACES=773, PETRI_TRANSITIONS=2134} [2021-04-29 08:12:49,798 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 721 predicate places. [2021-04-29 08:12:49,798 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:12:49,798 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 773 places, 2134 transitions, 57267 flow [2021-04-29 08:12:49,799 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 773 places, 2134 transitions, 57267 flow [2021-04-29 08:12:49,836 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 771 places, 2134 transitions, 57267 flow [2021-04-29 08:12:51,603 INFO L129 PetriNetUnfolder]: 2476/4444 cut-off events. [2021-04-29 08:12:51,603 INFO L130 PetriNetUnfolder]: For 378195/378575 co-relation queries the response was YES. [2021-04-29 08:12:51,712 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72556 conditions, 4444 events. 2476/4444 cut-off events. For 378195/378575 co-relation queries the response was YES. Maximal size of possible extension queue 484. Compared 31768 event pairs, 197 based on Foata normal form. 52/4391 useless extension candidates. Maximal degree in co-relation 72269. Up to 1379 conditions per place. [2021-04-29 08:12:51,784 INFO L146 LiptonReduction]: Number of co-enabled transitions 1696 [2021-04-29 08:12:52,867 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:12:52,868 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:12:52,868 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3070 [2021-04-29 08:12:52,868 INFO L480 AbstractCegarLoop]: Abstraction has has 771 places, 2134 transitions, 57267 flow [2021-04-29 08:12:52,868 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:12:52,869 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:12:52,869 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] [2021-04-29 08:12:52,869 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-04-29 08:12:52,869 INFO L428 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:12:52,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:12:52,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1158431862, now seen corresponding path program 23 times [2021-04-29 08:12:52,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:12:52,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782046233] [2021-04-29 08:12:52,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:12:52,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:12:52,886 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:12:52,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:12:52,895 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:12:52,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:12:52,907 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:12:52,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:12:52,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:12:52,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:12:52,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:12:52,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:12:52,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:12:52,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:12:52,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:12:52,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:12:52,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:12:52,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:12:52,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:12:52,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:12:53,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:12:53,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:12:53,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:12:53,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:12:53,073 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:12:53,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:12:53,108 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:12:53,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:12:53,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:12:53,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782046233] [2021-04-29 08:12:53,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:12:53,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:12:53,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311288071] [2021-04-29 08:12:53,115 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:12:53,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:12:53,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:12:53,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:12:53,116 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:12:53,116 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 771 places, 2134 transitions, 57267 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:12:53,117 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:12:53,117 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:12:53,117 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:12:59,821 INFO L129 PetriNetUnfolder]: 2853/4902 cut-off events. [2021-04-29 08:12:59,822 INFO L130 PetriNetUnfolder]: For 527083/527195 co-relation queries the response was YES. [2021-04-29 08:12:59,923 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87051 conditions, 4902 events. 2853/4902 cut-off events. For 527083/527195 co-relation queries the response was YES. Maximal size of possible extension queue 496. Compared 32852 event pairs, 442 based on Foata normal form. 23/4924 useless extension candidates. Maximal degree in co-relation 86760. Up to 4350 conditions per place. [2021-04-29 08:12:59,961 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1673 selfloop transitions, 455 changer transitions 5/2141 dead transitions. [2021-04-29 08:12:59,961 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 788 places, 2141 transitions, 61858 flow [2021-04-29 08:12:59,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-04-29 08:12:59,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-04-29 08:12:59,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 546 transitions. [2021-04-29 08:12:59,962 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.489247311827957 [2021-04-29 08:12:59,962 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 546 transitions. [2021-04-29 08:12:59,963 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 546 transitions. [2021-04-29 08:12:59,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:12:59,963 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 546 transitions. [2021-04-29 08:12:59,963 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 30.333333333333332) internal successors, (546), 18 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:12:59,964 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 62.0) internal successors, (1178), 19 states have internal predecessors, (1178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:12:59,964 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 62.0) internal successors, (1178), 19 states have internal predecessors, (1178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:12:59,964 INFO L185 Difference]: Start difference. First operand has 771 places, 2134 transitions, 57267 flow. Second operand 18 states and 546 transitions. [2021-04-29 08:12:59,964 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 788 places, 2141 transitions, 61858 flow [2021-04-29 08:13:03,621 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 772 places, 2141 transitions, 60744 flow, removed 88 selfloop flow, removed 16 redundant places. [2021-04-29 08:13:03,672 INFO L241 Difference]: Finished difference. Result has 775 places, 2132 transitions, 57057 flow [2021-04-29 08:13:03,673 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=56153, PETRI_DIFFERENCE_MINUEND_PLACES=755, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=455, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1679, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=57057, PETRI_PLACES=775, PETRI_TRANSITIONS=2132} [2021-04-29 08:13:03,673 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 723 predicate places. [2021-04-29 08:13:03,673 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:13:03,674 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 775 places, 2132 transitions, 57057 flow [2021-04-29 08:13:03,674 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 775 places, 2132 transitions, 57057 flow [2021-04-29 08:13:03,699 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 771 places, 2132 transitions, 57057 flow [2021-04-29 08:13:05,768 INFO L129 PetriNetUnfolder]: 2463/4435 cut-off events. [2021-04-29 08:13:05,768 INFO L130 PetriNetUnfolder]: For 380130/380448 co-relation queries the response was YES. [2021-04-29 08:13:05,863 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72464 conditions, 4435 events. 2463/4435 cut-off events. For 380130/380448 co-relation queries the response was YES. Maximal size of possible extension queue 500. Compared 31866 event pairs, 185 based on Foata normal form. 47/4386 useless extension candidates. Maximal degree in co-relation 72186. Up to 1373 conditions per place. [2021-04-29 08:13:05,925 INFO L146 LiptonReduction]: Number of co-enabled transitions 1696 [2021-04-29 08:13:06,728 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:13:06,728 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:13:06,728 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3055 [2021-04-29 08:13:06,728 INFO L480 AbstractCegarLoop]: Abstraction has has 771 places, 2132 transitions, 57057 flow [2021-04-29 08:13:06,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:13:06,729 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:13:06,729 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] [2021-04-29 08:13:06,729 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-04-29 08:13:06,729 INFO L428 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:13:06,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:13:06,729 INFO L82 PathProgramCache]: Analyzing trace with hash 689272718, now seen corresponding path program 24 times [2021-04-29 08:13:06,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:13:06,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353870823] [2021-04-29 08:13:06,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:13:06,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:13:06,745 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:13:06,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:13:06,752 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:13:06,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:13:06,762 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:13:06,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:13:06,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:13:06,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:13:06,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:13:06,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:13:06,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:13:06,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:13:06,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:13:06,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:13:06,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:13:06,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:13:06,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:13:06,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:13:06,895 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-04-29 08:13:06,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:13:06,928 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:13:06,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:13:06,962 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:13:06,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:13:06,998 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:13:06,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:13:07,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:13:07,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353870823] [2021-04-29 08:13:07,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:13:07,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-04-29 08:13:07,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652792861] [2021-04-29 08:13:07,002 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:13:07,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:13:07,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:13:07,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:13:07,004 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:13:07,004 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 771 places, 2132 transitions, 57057 flow. Second operand has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:13:07,005 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:13:07,005 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:13:07,005 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:13:13,940 INFO L129 PetriNetUnfolder]: 2852/4908 cut-off events. [2021-04-29 08:13:13,941 INFO L130 PetriNetUnfolder]: For 525962/526174 co-relation queries the response was YES. [2021-04-29 08:13:14,056 INFO L84 FinitePrefix]: Finished finitePrefix Result has 86870 conditions, 4908 events. 2852/4908 cut-off events. For 525962/526174 co-relation queries the response was YES. Maximal size of possible extension queue 496. Compared 32974 event pairs, 427 based on Foata normal form. 43/4950 useless extension candidates. Maximal degree in co-relation 86590. Up to 4077 conditions per place. [2021-04-29 08:13:14,093 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1463 selfloop transitions, 694 changer transitions 7/2172 dead transitions. [2021-04-29 08:13:14,093 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 800 places, 2172 transitions, 62611 flow [2021-04-29 08:13:14,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-04-29 08:13:14,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-04-29 08:13:14,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 928 transitions. [2021-04-29 08:13:14,095 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4989247311827957 [2021-04-29 08:13:14,095 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 928 transitions. [2021-04-29 08:13:14,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 928 transitions. [2021-04-29 08:13:14,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:13:14,096 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 928 transitions. [2021-04-29 08:13:14,097 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 30.933333333333334) internal successors, (928), 30 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:13:14,098 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 62.0) internal successors, (1922), 31 states have internal predecessors, (1922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:13:14,098 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 62.0) internal successors, (1922), 31 states have internal predecessors, (1922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:13:14,098 INFO L185 Difference]: Start difference. First operand has 771 places, 2132 transitions, 57057 flow. Second operand 30 states and 928 transitions. [2021-04-29 08:13:14,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 800 places, 2172 transitions, 62611 flow [2021-04-29 08:13:18,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 785 places, 2172 transitions, 61695 flow, removed 2 selfloop flow, removed 15 redundant places. [2021-04-29 08:13:18,183 INFO L241 Difference]: Finished difference. Result has 788 places, 2132 transitions, 57731 flow [2021-04-29 08:13:18,184 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=56143, PETRI_DIFFERENCE_MINUEND_PLACES=756, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=693, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1439, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=57731, PETRI_PLACES=788, PETRI_TRANSITIONS=2132} [2021-04-29 08:13:18,184 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 736 predicate places. [2021-04-29 08:13:18,184 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:13:18,184 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 788 places, 2132 transitions, 57731 flow [2021-04-29 08:13:18,184 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 788 places, 2132 transitions, 57731 flow [2021-04-29 08:13:18,211 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 786 places, 2132 transitions, 57731 flow [2021-04-29 08:13:19,928 INFO L129 PetriNetUnfolder]: 2483/4460 cut-off events. [2021-04-29 08:13:19,928 INFO L130 PetriNetUnfolder]: For 375618/376013 co-relation queries the response was YES. [2021-04-29 08:13:20,042 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72838 conditions, 4460 events. 2483/4460 cut-off events. For 375618/376013 co-relation queries the response was YES. Maximal size of possible extension queue 490. Compared 31847 event pairs, 196 based on Foata normal form. 42/4401 useless extension candidates. Maximal degree in co-relation 72545. Up to 1370 conditions per place. [2021-04-29 08:13:20,113 INFO L146 LiptonReduction]: Number of co-enabled transitions 1700 [2021-04-29 08:13:21,250 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:13:21,250 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:13:21,250 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3066 [2021-04-29 08:13:21,250 INFO L480 AbstractCegarLoop]: Abstraction has has 786 places, 2132 transitions, 57731 flow [2021-04-29 08:13:21,251 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:13:21,251 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:13:21,251 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] [2021-04-29 08:13:21,251 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-04-29 08:13:21,251 INFO L428 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:13:21,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:13:21,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1559186426, now seen corresponding path program 25 times [2021-04-29 08:13:21,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:13:21,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113482091] [2021-04-29 08:13:21,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:13:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:13:21,268 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:13:21,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:13:21,274 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:13:21,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:13:21,285 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:13:21,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:13:21,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:13:21,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:13:21,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:13:21,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:13:21,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:13:21,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:13:21,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:13:21,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:13:21,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:13:21,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:13:21,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:13:21,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:13:21,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:13:21,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:13:21,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:13:21,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:13:21,435 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:13:21,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:13:21,466 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:13:21,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:13:21,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:13:21,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113482091] [2021-04-29 08:13:21,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:13:21,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:13:21,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085155502] [2021-04-29 08:13:21,472 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:13:21,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:13:21,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:13:21,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:13:21,477 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:13:21,477 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 786 places, 2132 transitions, 57731 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:13:21,477 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:13:21,477 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:13:21,478 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:13:28,025 INFO L129 PetriNetUnfolder]: 2850/4900 cut-off events. [2021-04-29 08:13:28,026 INFO L130 PetriNetUnfolder]: For 525496/525612 co-relation queries the response was YES. [2021-04-29 08:13:28,128 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87284 conditions, 4900 events. 2850/4900 cut-off events. For 525496/525612 co-relation queries the response was YES. Maximal size of possible extension queue 498. Compared 32889 event pairs, 469 based on Foata normal form. 23/4922 useless extension candidates. Maximal degree in co-relation 86990. Up to 4392 conditions per place. [2021-04-29 08:13:28,165 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1677 selfloop transitions, 444 changer transitions 6/2135 dead transitions. [2021-04-29 08:13:28,165 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 805 places, 2135 transitions, 62011 flow [2021-04-29 08:13:28,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-04-29 08:13:28,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-04-29 08:13:28,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 606 transitions. [2021-04-29 08:13:28,167 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48870967741935484 [2021-04-29 08:13:28,167 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 606 transitions. [2021-04-29 08:13:28,167 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 606 transitions. [2021-04-29 08:13:28,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:13:28,167 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 606 transitions. [2021-04-29 08:13:28,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 30.3) internal successors, (606), 20 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:13:28,170 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 62.0) internal successors, (1302), 21 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:13:28,170 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 62.0) internal successors, (1302), 21 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:13:28,170 INFO L185 Difference]: Start difference. First operand has 786 places, 2132 transitions, 57731 flow. Second operand 20 states and 606 transitions. [2021-04-29 08:13:28,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 805 places, 2135 transitions, 62011 flow [2021-04-29 08:13:31,961 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 779 places, 2135 transitions, 60641 flow, removed 3 selfloop flow, removed 26 redundant places. [2021-04-29 08:13:32,010 INFO L241 Difference]: Finished difference. Result has 781 places, 2128 transitions, 57171 flow [2021-04-29 08:13:32,011 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=56362, PETRI_DIFFERENCE_MINUEND_PLACES=760, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=444, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1688, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=57171, PETRI_PLACES=781, PETRI_TRANSITIONS=2128} [2021-04-29 08:13:32,011 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 729 predicate places. [2021-04-29 08:13:32,011 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:13:32,011 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 781 places, 2128 transitions, 57171 flow [2021-04-29 08:13:32,011 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 781 places, 2128 transitions, 57171 flow [2021-04-29 08:13:32,036 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 777 places, 2128 transitions, 57171 flow [2021-04-29 08:13:34,007 INFO L129 PetriNetUnfolder]: 2482/4445 cut-off events. [2021-04-29 08:13:34,008 INFO L130 PetriNetUnfolder]: For 383605/384088 co-relation queries the response was YES. [2021-04-29 08:13:34,103 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72669 conditions, 4445 events. 2482/4445 cut-off events. For 383605/384088 co-relation queries the response was YES. Maximal size of possible extension queue 487. Compared 31778 event pairs, 152 based on Foata normal form. 49/4390 useless extension candidates. Maximal degree in co-relation 72392. Up to 1378 conditions per place. [2021-04-29 08:13:34,167 INFO L146 LiptonReduction]: Number of co-enabled transitions 1688 [2021-04-29 08:13:34,951 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:13:34,951 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:13:34,951 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2940 [2021-04-29 08:13:34,952 INFO L480 AbstractCegarLoop]: Abstraction has has 777 places, 2128 transitions, 57171 flow [2021-04-29 08:13:34,952 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:13:34,952 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:13:34,952 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] [2021-04-29 08:13:34,952 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-04-29 08:13:34,952 INFO L428 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:13:34,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:13:34,953 INFO L82 PathProgramCache]: Analyzing trace with hash 544841180, now seen corresponding path program 26 times [2021-04-29 08:13:34,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:13:34,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828122582] [2021-04-29 08:13:34,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:13:34,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:13:34,970 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:13:34,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:13:34,976 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:13:34,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:13:34,986 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:13:34,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:13:34,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:13:34,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:13:35,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:13:35,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:13:35,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:13:35,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:13:35,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:13:35,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:13:35,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:13:35,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:13:35,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:13:35,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:13:35,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:13:35,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:13:35,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:13:35,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:13:35,188 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:13:35,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:13:35,223 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:13:35,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:13:35,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:13:35,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828122582] [2021-04-29 08:13:35,227 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:13:35,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-04-29 08:13:35,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414877947] [2021-04-29 08:13:35,228 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:13:35,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:13:35,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:13:35,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:13:35,229 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:13:35,229 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 777 places, 2128 transitions, 57171 flow. Second operand has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:13:35,229 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:13:35,230 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:13:35,230 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:13:40,973 INFO L129 PetriNetUnfolder]: 2848/4878 cut-off events. [2021-04-29 08:13:40,973 INFO L130 PetriNetUnfolder]: For 527693/527905 co-relation queries the response was YES. [2021-04-29 08:13:41,079 INFO L84 FinitePrefix]: Finished finitePrefix Result has 86735 conditions, 4878 events. 2848/4878 cut-off events. For 527693/527905 co-relation queries the response was YES. Maximal size of possible extension queue 491. Compared 32544 event pairs, 452 based on Foata normal form. 43/4920 useless extension candidates. Maximal degree in co-relation 86456. Up to 4320 conditions per place. [2021-04-29 08:13:41,116 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1674 selfloop transitions, 445 changer transitions 9/2136 dead transitions. [2021-04-29 08:13:41,116 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 794 places, 2136 transitions, 61976 flow [2021-04-29 08:13:41,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-04-29 08:13:41,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-04-29 08:13:41,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 550 transitions. [2021-04-29 08:13:41,118 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.492831541218638 [2021-04-29 08:13:41,118 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 550 transitions. [2021-04-29 08:13:41,118 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 550 transitions. [2021-04-29 08:13:41,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:13:41,118 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 550 transitions. [2021-04-29 08:13:41,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 30.555555555555557) internal successors, (550), 18 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:13:41,119 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 62.0) internal successors, (1178), 19 states have internal predecessors, (1178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:13:41,120 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 62.0) internal successors, (1178), 19 states have internal predecessors, (1178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:13:41,120 INFO L185 Difference]: Start difference. First operand has 777 places, 2128 transitions, 57171 flow. Second operand 18 states and 550 transitions. [2021-04-29 08:13:41,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 794 places, 2136 transitions, 61976 flow [2021-04-29 08:13:45,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 775 places, 2136 transitions, 61072 flow, removed 3 selfloop flow, removed 19 redundant places. [2021-04-29 08:13:45,081 INFO L241 Difference]: Finished difference. Result has 776 places, 2120 transitions, 57082 flow [2021-04-29 08:13:45,082 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=56267, PETRI_DIFFERENCE_MINUEND_PLACES=758, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=445, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1683, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=57082, PETRI_PLACES=776, PETRI_TRANSITIONS=2120} [2021-04-29 08:13:45,082 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 724 predicate places. [2021-04-29 08:13:45,082 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:13:45,083 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 776 places, 2120 transitions, 57082 flow [2021-04-29 08:13:45,083 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 776 places, 2120 transitions, 57082 flow [2021-04-29 08:13:45,108 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 765 places, 2120 transitions, 57082 flow [2021-04-29 08:13:46,858 INFO L129 PetriNetUnfolder]: 2457/4406 cut-off events. [2021-04-29 08:13:46,858 INFO L130 PetriNetUnfolder]: For 378157/378491 co-relation queries the response was YES. [2021-04-29 08:13:46,960 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72071 conditions, 4406 events. 2457/4406 cut-off events. For 378157/378491 co-relation queries the response was YES. Maximal size of possible extension queue 497. Compared 31522 event pairs, 162 based on Foata normal form. 45/4357 useless extension candidates. Maximal degree in co-relation 71782. Up to 1365 conditions per place. [2021-04-29 08:13:47,028 INFO L146 LiptonReduction]: Number of co-enabled transitions 1658 [2021-04-29 08:13:47,829 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:13:47,829 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:13:47,829 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2747 [2021-04-29 08:13:47,830 INFO L480 AbstractCegarLoop]: Abstraction has has 765 places, 2120 transitions, 57082 flow [2021-04-29 08:13:47,830 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:13:47,830 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:13:47,830 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] [2021-04-29 08:13:47,830 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-04-29 08:13:47,830 INFO L428 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:13:47,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:13:47,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1711994348, now seen corresponding path program 27 times [2021-04-29 08:13:47,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:13:47,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938994499] [2021-04-29 08:13:47,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:13:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:13:47,847 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:13:47,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:13:47,854 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:13:47,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:13:47,864 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:13:47,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:13:47,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:13:47,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:13:47,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:13:47,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:13:47,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:13:47,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:13:47,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:13:47,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:13:47,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:13:47,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:13:47,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:13:47,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:13:47,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:13:47,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:13:47,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:13:47,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:13:48,045 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:13:48,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:13:48,079 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:13:48,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:13:48,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:13:48,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938994499] [2021-04-29 08:13:48,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:13:48,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:13:48,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873264886] [2021-04-29 08:13:48,085 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:13:48,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:13:48,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:13:48,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:13:48,087 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:13:48,087 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 765 places, 2120 transitions, 57082 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:13:48,087 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:13:48,087 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:13:48,087 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:13:53,738 INFO L129 PetriNetUnfolder]: 2845/4884 cut-off events. [2021-04-29 08:13:53,738 INFO L130 PetriNetUnfolder]: For 528059/528175 co-relation queries the response was YES. [2021-04-29 08:13:53,837 INFO L84 FinitePrefix]: Finished finitePrefix Result has 86749 conditions, 4884 events. 2845/4884 cut-off events. For 528059/528175 co-relation queries the response was YES. Maximal size of possible extension queue 493. Compared 32651 event pairs, 469 based on Foata normal form. 23/4906 useless extension candidates. Maximal degree in co-relation 86459. Up to 4370 conditions per place. [2021-04-29 08:13:53,875 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1658 selfloop transitions, 452 changer transitions 4/2122 dead transitions. [2021-04-29 08:13:53,875 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 789 places, 2122 transitions, 61324 flow [2021-04-29 08:13:53,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-04-29 08:13:53,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-04-29 08:13:53,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 752 transitions. [2021-04-29 08:13:53,877 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48516129032258065 [2021-04-29 08:13:53,877 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 752 transitions. [2021-04-29 08:13:53,877 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 752 transitions. [2021-04-29 08:13:53,877 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:13:53,877 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 752 transitions. [2021-04-29 08:13:53,878 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 30.08) internal successors, (752), 25 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:13:53,879 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 62.0) internal successors, (1612), 26 states have internal predecessors, (1612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:13:53,879 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 62.0) internal successors, (1612), 26 states have internal predecessors, (1612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:13:53,879 INFO L185 Difference]: Start difference. First operand has 765 places, 2120 transitions, 57082 flow. Second operand 25 states and 752 transitions. [2021-04-29 08:13:53,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 789 places, 2122 transitions, 61324 flow [2021-04-29 08:13:57,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 769 places, 2122 transitions, 59971 flow, removed 8 selfloop flow, removed 20 redundant places. [2021-04-29 08:13:57,510 INFO L241 Difference]: Finished difference. Result has 771 places, 2117 transitions, 56594 flow [2021-04-29 08:13:57,511 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=55731, PETRI_DIFFERENCE_MINUEND_PLACES=745, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=451, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1668, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=56594, PETRI_PLACES=771, PETRI_TRANSITIONS=2117} [2021-04-29 08:13:57,511 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 719 predicate places. [2021-04-29 08:13:57,511 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:13:57,511 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 771 places, 2117 transitions, 56594 flow [2021-04-29 08:13:57,511 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 771 places, 2117 transitions, 56594 flow [2021-04-29 08:13:57,535 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 768 places, 2117 transitions, 56594 flow [2021-04-29 08:13:59,041 INFO L129 PetriNetUnfolder]: 2464/4408 cut-off events. [2021-04-29 08:13:59,041 INFO L130 PetriNetUnfolder]: For 362752/363096 co-relation queries the response was YES. [2021-04-29 08:13:59,146 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70958 conditions, 4408 events. 2464/4408 cut-off events. For 362752/363096 co-relation queries the response was YES. Maximal size of possible extension queue 481. Compared 31385 event pairs, 162 based on Foata normal form. 49/4362 useless extension candidates. Maximal degree in co-relation 70688. Up to 1369 conditions per place. [2021-04-29 08:13:59,216 INFO L146 LiptonReduction]: Number of co-enabled transitions 1652 [2021-04-29 08:14:00,392 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:14:00,392 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:14:00,392 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2881 [2021-04-29 08:14:00,392 INFO L480 AbstractCegarLoop]: Abstraction has has 768 places, 2117 transitions, 56594 flow [2021-04-29 08:14:00,392 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:14:00,392 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:14:00,393 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] [2021-04-29 08:14:00,393 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-04-29 08:14:00,393 INFO L428 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:14:00,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:14:00,393 INFO L82 PathProgramCache]: Analyzing trace with hash 228859410, now seen corresponding path program 28 times [2021-04-29 08:14:00,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:14:00,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033507751] [2021-04-29 08:14:00,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:14:00,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:14:00,410 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:14:00,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:14:00,416 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:14:00,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:14:00,426 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:14:00,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:14:00,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:00,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:14:00,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:00,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:14:00,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:00,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:14:00,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:00,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:14:00,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:00,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:14:00,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:00,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:14:00,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:00,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:14:00,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:00,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:14:00,631 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:14:00,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:14:00,666 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:14:00,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:14:00,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:14:00,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033507751] [2021-04-29 08:14:00,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:14:00,672 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-04-29 08:14:00,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508865713] [2021-04-29 08:14:00,672 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:14:00,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:14:00,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:14:00,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:14:00,673 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:14:00,674 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 768 places, 2117 transitions, 56594 flow. Second operand has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:14:00,674 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:14:00,674 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:14:00,674 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:14:06,868 INFO L129 PetriNetUnfolder]: 2841/4883 cut-off events. [2021-04-29 08:14:06,869 INFO L130 PetriNetUnfolder]: For 512738/512950 co-relation queries the response was YES. [2021-04-29 08:14:06,969 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85568 conditions, 4883 events. 2841/4883 cut-off events. For 512738/512950 co-relation queries the response was YES. Maximal size of possible extension queue 491. Compared 32688 event pairs, 470 based on Foata normal form. 43/4925 useless extension candidates. Maximal degree in co-relation 85295. Up to 4345 conditions per place. [2021-04-29 08:14:07,006 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1639 selfloop transitions, 472 changer transitions 4/2123 dead transitions. [2021-04-29 08:14:07,006 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 792 places, 2123 transitions, 60878 flow [2021-04-29 08:14:07,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-04-29 08:14:07,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-04-29 08:14:07,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 750 transitions. [2021-04-29 08:14:07,008 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4838709677419355 [2021-04-29 08:14:07,008 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 750 transitions. [2021-04-29 08:14:07,008 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 750 transitions. [2021-04-29 08:14:07,008 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:14:07,008 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 750 transitions. [2021-04-29 08:14:07,009 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 30.0) internal successors, (750), 25 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:14:07,010 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 62.0) internal successors, (1612), 26 states have internal predecessors, (1612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:14:07,010 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 62.0) internal successors, (1612), 26 states have internal predecessors, (1612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:14:07,010 INFO L185 Difference]: Start difference. First operand has 768 places, 2117 transitions, 56594 flow. Second operand 25 states and 750 transitions. [2021-04-29 08:14:07,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 792 places, 2123 transitions, 60878 flow [2021-04-29 08:14:10,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 771 places, 2123 transitions, 59991 flow, removed 3 selfloop flow, removed 21 redundant places. [2021-04-29 08:14:10,692 INFO L241 Difference]: Finished difference. Result has 774 places, 2117 transitions, 56675 flow [2021-04-29 08:14:10,693 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=55709, PETRI_DIFFERENCE_MINUEND_PLACES=747, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=468, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1645, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=56675, PETRI_PLACES=774, PETRI_TRANSITIONS=2117} [2021-04-29 08:14:10,693 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 722 predicate places. [2021-04-29 08:14:10,693 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:14:10,693 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 774 places, 2117 transitions, 56675 flow [2021-04-29 08:14:10,694 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 774 places, 2117 transitions, 56675 flow [2021-04-29 08:14:10,718 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 771 places, 2117 transitions, 56675 flow [2021-04-29 08:14:12,622 INFO L129 PetriNetUnfolder]: 2455/4405 cut-off events. [2021-04-29 08:14:12,622 INFO L130 PetriNetUnfolder]: For 369449/369806 co-relation queries the response was YES. [2021-04-29 08:14:12,718 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71337 conditions, 4405 events. 2455/4405 cut-off events. For 369449/369806 co-relation queries the response was YES. Maximal size of possible extension queue 485. Compared 31413 event pairs, 164 based on Foata normal form. 55/4363 useless extension candidates. Maximal degree in co-relation 71050. Up to 1373 conditions per place. [2021-04-29 08:14:12,784 INFO L146 LiptonReduction]: Number of co-enabled transitions 1646 [2021-04-29 08:14:13,553 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:14:13,553 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:14:13,554 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2861 [2021-04-29 08:14:13,554 INFO L480 AbstractCegarLoop]: Abstraction has has 771 places, 2117 transitions, 56675 flow [2021-04-29 08:14:13,554 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:14:13,554 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:14:13,554 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] [2021-04-29 08:14:13,554 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-04-29 08:14:13,554 INFO L428 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:14:13,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:14:13,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1936927840, now seen corresponding path program 29 times [2021-04-29 08:14:13,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:14:13,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984363560] [2021-04-29 08:14:13,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:14:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:14:13,569 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:14:13,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:14:13,576 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:14:13,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:14:13,586 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:14:13,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:14:13,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:13,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:14:13,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:13,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:14:13,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:13,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:14:13,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:13,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:14:13,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:13,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:14:13,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:13,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:14:13,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:13,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:14:13,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:13,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:14:13,764 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:14:13,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:14:13,798 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:14:13,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:14:13,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:14:13,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984363560] [2021-04-29 08:14:13,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:14:13,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:14:13,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043668088] [2021-04-29 08:14:13,803 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:14:13,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:14:13,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:14:13,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:14:13,804 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:14:13,805 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 771 places, 2117 transitions, 56675 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:14:13,805 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:14:13,805 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:14:13,805 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:14:19,423 INFO L129 PetriNetUnfolder]: 2838/4880 cut-off events. [2021-04-29 08:14:19,423 INFO L130 PetriNetUnfolder]: For 514084/514296 co-relation queries the response was YES. [2021-04-29 08:14:19,526 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85596 conditions, 4880 events. 2838/4880 cut-off events. For 514084/514296 co-relation queries the response was YES. Maximal size of possible extension queue 491. Compared 32651 event pairs, 465 based on Foata normal form. 43/4922 useless extension candidates. Maximal degree in co-relation 85305. Up to 4393 conditions per place. [2021-04-29 08:14:19,564 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1683 selfloop transitions, 424 changer transitions 6/2121 dead transitions. [2021-04-29 08:14:19,564 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 791 places, 2121 transitions, 60947 flow [2021-04-29 08:14:19,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-04-29 08:14:19,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-04-29 08:14:19,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 634 transitions. [2021-04-29 08:14:19,565 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4869431643625192 [2021-04-29 08:14:19,565 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 634 transitions. [2021-04-29 08:14:19,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 634 transitions. [2021-04-29 08:14:19,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:14:19,566 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 634 transitions. [2021-04-29 08:14:19,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 30.19047619047619) internal successors, (634), 21 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:14:19,567 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 62.0) internal successors, (1364), 22 states have internal predecessors, (1364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:14:19,567 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 62.0) internal successors, (1364), 22 states have internal predecessors, (1364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:14:19,567 INFO L185 Difference]: Start difference. First operand has 771 places, 2117 transitions, 56675 flow. Second operand 21 states and 634 transitions. [2021-04-29 08:14:19,567 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 791 places, 2121 transitions, 60947 flow [2021-04-29 08:14:23,151 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 771 places, 2121 transitions, 60018 flow, removed 3 selfloop flow, removed 20 redundant places. [2021-04-29 08:14:23,199 INFO L241 Difference]: Finished difference. Result has 774 places, 2114 transitions, 56542 flow [2021-04-29 08:14:23,200 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=55752, PETRI_DIFFERENCE_MINUEND_PLACES=751, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=424, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1693, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=56542, PETRI_PLACES=774, PETRI_TRANSITIONS=2114} [2021-04-29 08:14:23,200 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 722 predicate places. [2021-04-29 08:14:23,200 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:14:23,200 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 774 places, 2114 transitions, 56542 flow [2021-04-29 08:14:23,201 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 774 places, 2114 transitions, 56542 flow [2021-04-29 08:14:23,225 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 770 places, 2114 transitions, 56542 flow [2021-04-29 08:14:24,959 INFO L129 PetriNetUnfolder]: 2456/4401 cut-off events. [2021-04-29 08:14:24,959 INFO L130 PetriNetUnfolder]: For 363643/364026 co-relation queries the response was YES. [2021-04-29 08:14:25,061 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70908 conditions, 4401 events. 2456/4401 cut-off events. For 363643/364026 co-relation queries the response was YES. Maximal size of possible extension queue 476. Compared 31238 event pairs, 170 based on Foata normal form. 59/4361 useless extension candidates. Maximal degree in co-relation 70631. Up to 1366 conditions per place. [2021-04-29 08:14:25,129 INFO L146 LiptonReduction]: Number of co-enabled transitions 1638 [2021-04-29 08:14:25,941 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:14:25,941 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:14:25,941 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2741 [2021-04-29 08:14:25,942 INFO L480 AbstractCegarLoop]: Abstraction has has 770 places, 2114 transitions, 56542 flow [2021-04-29 08:14:25,942 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:14:25,942 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:14:25,942 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] [2021-04-29 08:14:25,942 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-04-29 08:14:25,942 INFO L428 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:14:25,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:14:25,943 INFO L82 PathProgramCache]: Analyzing trace with hash -5754712, now seen corresponding path program 30 times [2021-04-29 08:14:25,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:14:25,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284107487] [2021-04-29 08:14:25,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:14:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:14:25,960 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:14:25,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:14:25,967 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:14:25,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:14:25,982 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:14:25,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:14:25,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:25,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:14:26,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:26,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:14:26,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:26,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:14:26,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:26,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:14:26,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:26,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:14:26,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:26,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:14:26,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:26,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:14:26,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:26,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:14:26,204 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:14:26,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:14:26,244 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:14:26,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:14:26,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:14:26,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284107487] [2021-04-29 08:14:26,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:14:26,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:14:26,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145533442] [2021-04-29 08:14:26,252 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:14:26,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:14:26,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:14:26,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:14:26,253 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:14:26,253 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 770 places, 2114 transitions, 56542 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:14:26,253 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:14:26,253 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:14:26,254 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:14:31,250 INFO L129 PetriNetUnfolder]: 2836/4875 cut-off events. [2021-04-29 08:14:31,250 INFO L130 PetriNetUnfolder]: For 512784/512984 co-relation queries the response was YES. [2021-04-29 08:14:31,643 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85506 conditions, 4875 events. 2836/4875 cut-off events. For 512784/512984 co-relation queries the response was YES. Maximal size of possible extension queue 490. Compared 32608 event pairs, 470 based on Foata normal form. 43/4917 useless extension candidates. Maximal degree in co-relation 85227. Up to 4392 conditions per place. [2021-04-29 08:14:31,681 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1684 selfloop transitions, 418 changer transitions 4/2114 dead transitions. [2021-04-29 08:14:31,681 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 787 places, 2114 transitions, 60754 flow [2021-04-29 08:14:31,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-04-29 08:14:31,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-04-29 08:14:31,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 553 transitions. [2021-04-29 08:14:31,682 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49551971326164873 [2021-04-29 08:14:31,682 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 553 transitions. [2021-04-29 08:14:31,682 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 553 transitions. [2021-04-29 08:14:31,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:14:31,683 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 553 transitions. [2021-04-29 08:14:31,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 30.72222222222222) internal successors, (553), 18 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:14:31,684 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 62.0) internal successors, (1178), 19 states have internal predecessors, (1178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:14:31,684 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 62.0) internal successors, (1178), 19 states have internal predecessors, (1178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:14:31,684 INFO L185 Difference]: Start difference. First operand has 770 places, 2114 transitions, 56542 flow. Second operand 18 states and 553 transitions. [2021-04-29 08:14:31,684 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 787 places, 2114 transitions, 60754 flow [2021-04-29 08:14:34,988 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 768 places, 2114 transitions, 59897 flow, removed 3 selfloop flow, removed 19 redundant places. [2021-04-29 08:14:35,036 INFO L241 Difference]: Finished difference. Result has 769 places, 2110 transitions, 56450 flow [2021-04-29 08:14:35,037 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=55685, PETRI_DIFFERENCE_MINUEND_PLACES=751, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=418, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1696, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=56450, PETRI_PLACES=769, PETRI_TRANSITIONS=2110} [2021-04-29 08:14:35,037 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 717 predicate places. [2021-04-29 08:14:35,037 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:14:35,037 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 769 places, 2110 transitions, 56450 flow [2021-04-29 08:14:35,038 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 769 places, 2110 transitions, 56450 flow [2021-04-29 08:14:35,062 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 766 places, 2110 transitions, 56450 flow [2021-04-29 08:14:36,703 INFO L129 PetriNetUnfolder]: 2451/4394 cut-off events. [2021-04-29 08:14:36,703 INFO L130 PetriNetUnfolder]: For 361101/361457 co-relation queries the response was YES. [2021-04-29 08:14:36,810 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70817 conditions, 4394 events. 2451/4394 cut-off events. For 361101/361457 co-relation queries the response was YES. Maximal size of possible extension queue 481. Compared 31237 event pairs, 165 based on Foata normal form. 50/4349 useless extension candidates. Maximal degree in co-relation 70527. Up to 1365 conditions per place. [2021-04-29 08:14:36,881 INFO L146 LiptonReduction]: Number of co-enabled transitions 1638 [2021-04-29 08:14:38,013 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:14:38,013 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:14:38,013 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2976 [2021-04-29 08:14:38,013 INFO L480 AbstractCegarLoop]: Abstraction has has 766 places, 2110 transitions, 56450 flow [2021-04-29 08:14:38,014 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:14:38,014 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:14:38,014 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] [2021-04-29 08:14:38,014 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-04-29 08:14:38,014 INFO L428 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:14:38,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:14:38,015 INFO L82 PathProgramCache]: Analyzing trace with hash -155152062, now seen corresponding path program 31 times [2021-04-29 08:14:38,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:14:38,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082593966] [2021-04-29 08:14:38,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:14:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:14:38,031 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:14:38,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:14:38,038 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:14:38,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:14:38,049 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:14:38,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:14:38,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:38,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:14:38,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:38,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:14:38,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:38,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:14:38,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:38,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:14:38,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:38,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:14:38,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:38,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:14:38,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:38,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:14:38,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:38,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:14:38,215 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:14:38,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:14:38,249 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:14:38,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:14:38,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:14:38,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082593966] [2021-04-29 08:14:38,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:14:38,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:14:38,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129085158] [2021-04-29 08:14:38,256 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:14:38,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:14:38,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:14:38,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:14:38,257 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:14:38,258 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 766 places, 2110 transitions, 56450 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:14:38,258 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:14:38,258 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:14:38,258 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:14:44,703 INFO L129 PetriNetUnfolder]: 2832/4882 cut-off events. [2021-04-29 08:14:44,703 INFO L130 PetriNetUnfolder]: For 513391/513603 co-relation queries the response was YES. [2021-04-29 08:14:44,802 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85476 conditions, 4882 events. 2832/4882 cut-off events. For 513391/513603 co-relation queries the response was YES. Maximal size of possible extension queue 488. Compared 32754 event pairs, 442 based on Foata normal form. 44/4925 useless extension candidates. Maximal degree in co-relation 85185. Up to 4295 conditions per place. [2021-04-29 08:14:44,839 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1628 selfloop transitions, 477 changer transitions 6/2119 dead transitions. [2021-04-29 08:14:44,839 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 787 places, 2119 transitions, 61006 flow [2021-04-29 08:14:44,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-04-29 08:14:44,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-04-29 08:14:44,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 658 transitions. [2021-04-29 08:14:44,841 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48240469208211145 [2021-04-29 08:14:44,841 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 658 transitions. [2021-04-29 08:14:44,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 658 transitions. [2021-04-29 08:14:44,842 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:14:44,842 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 658 transitions. [2021-04-29 08:14:44,843 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 29.90909090909091) internal successors, (658), 22 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:14:44,844 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 62.0) internal successors, (1426), 23 states have internal predecessors, (1426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:14:44,844 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 62.0) internal successors, (1426), 23 states have internal predecessors, (1426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:14:44,844 INFO L185 Difference]: Start difference. First operand has 766 places, 2110 transitions, 56450 flow. Second operand 22 states and 658 transitions. [2021-04-29 08:14:44,844 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 787 places, 2119 transitions, 61006 flow [2021-04-29 08:14:48,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 771 places, 2119 transitions, 60156 flow, removed 6 selfloop flow, removed 16 redundant places. [2021-04-29 08:14:48,531 INFO L241 Difference]: Finished difference. Result has 773 places, 2108 transitions, 56553 flow [2021-04-29 08:14:48,532 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=55602, PETRI_DIFFERENCE_MINUEND_PLACES=750, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=474, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1635, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=56553, PETRI_PLACES=773, PETRI_TRANSITIONS=2108} [2021-04-29 08:14:48,532 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 721 predicate places. [2021-04-29 08:14:48,532 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:14:48,533 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 773 places, 2108 transitions, 56553 flow [2021-04-29 08:14:48,533 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 773 places, 2108 transitions, 56553 flow [2021-04-29 08:14:48,559 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 770 places, 2108 transitions, 56553 flow [2021-04-29 08:14:50,467 INFO L129 PetriNetUnfolder]: 2439/4377 cut-off events. [2021-04-29 08:14:50,470 INFO L130 PetriNetUnfolder]: For 366173/366467 co-relation queries the response was YES. [2021-04-29 08:14:50,646 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70969 conditions, 4377 events. 2439/4377 cut-off events. For 366173/366467 co-relation queries the response was YES. Maximal size of possible extension queue 470. Compared 30938 event pairs, 239 based on Foata normal form. 47/4348 useless extension candidates. Maximal degree in co-relation 70684. Up to 1348 conditions per place. [2021-04-29 08:14:50,705 INFO L146 LiptonReduction]: Number of co-enabled transitions 1626 [2021-04-29 08:14:51,436 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:14:51,436 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:14:51,436 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2904 [2021-04-29 08:14:51,437 INFO L480 AbstractCegarLoop]: Abstraction has has 770 places, 2108 transitions, 56553 flow [2021-04-29 08:14:51,437 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:14:51,437 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:14:51,437 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] [2021-04-29 08:14:51,437 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-04-29 08:14:51,437 INFO L428 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:14:51,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:14:51,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1251354848, now seen corresponding path program 32 times [2021-04-29 08:14:51,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:14:51,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011955502] [2021-04-29 08:14:51,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:14:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:14:51,458 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:14:51,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:14:51,469 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:14:51,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:14:51,479 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:14:51,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:14:51,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:51,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:14:51,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:51,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:14:51,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:51,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:14:51,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:51,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:14:51,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:51,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:14:51,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:51,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:14:51,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:51,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:14:51,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:14:51,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:14:51,640 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:14:51,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:14:51,675 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:14:51,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:14:51,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:14:51,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011955502] [2021-04-29 08:14:51,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:14:51,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:14:51,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965819364] [2021-04-29 08:14:51,681 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:14:51,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:14:51,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:14:51,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:14:51,682 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:14:51,683 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 770 places, 2108 transitions, 56553 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:14:51,683 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:14:51,683 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:14:51,683 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:14:57,702 INFO L129 PetriNetUnfolder]: 2831/4875 cut-off events. [2021-04-29 08:14:57,702 INFO L130 PetriNetUnfolder]: For 513493/513705 co-relation queries the response was YES. [2021-04-29 08:14:57,801 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85551 conditions, 4875 events. 2831/4875 cut-off events. For 513493/513705 co-relation queries the response was YES. Maximal size of possible extension queue 489. Compared 32635 event pairs, 470 based on Foata normal form. 43/4917 useless extension candidates. Maximal degree in co-relation 85262. Up to 4387 conditions per place. [2021-04-29 08:14:57,837 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1680 selfloop transitions, 414 changer transitions 6/2108 dead transitions. [2021-04-29 08:14:57,837 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 789 places, 2108 transitions, 60753 flow [2021-04-29 08:14:57,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-04-29 08:14:57,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-04-29 08:14:57,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 606 transitions. [2021-04-29 08:14:57,839 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48870967741935484 [2021-04-29 08:14:57,839 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 606 transitions. [2021-04-29 08:14:57,839 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 606 transitions. [2021-04-29 08:14:57,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:14:57,839 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 606 transitions. [2021-04-29 08:14:57,840 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 30.3) internal successors, (606), 20 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:14:57,840 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 62.0) internal successors, (1302), 21 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:14:57,840 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 62.0) internal successors, (1302), 21 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:14:57,840 INFO L185 Difference]: Start difference. First operand has 770 places, 2108 transitions, 56553 flow. Second operand 20 states and 606 transitions. [2021-04-29 08:14:57,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 789 places, 2108 transitions, 60753 flow [2021-04-29 08:15:01,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 772 places, 2108 transitions, 59830 flow, removed 4 selfloop flow, removed 17 redundant places. [2021-04-29 08:15:01,435 INFO L241 Difference]: Finished difference. Result has 773 places, 2102 transitions, 56375 flow [2021-04-29 08:15:01,436 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=55630, PETRI_DIFFERENCE_MINUEND_PLACES=753, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=414, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1694, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=56375, PETRI_PLACES=773, PETRI_TRANSITIONS=2102} [2021-04-29 08:15:01,436 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 721 predicate places. [2021-04-29 08:15:01,436 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:15:01,436 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 773 places, 2102 transitions, 56375 flow [2021-04-29 08:15:01,437 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 773 places, 2102 transitions, 56375 flow [2021-04-29 08:15:01,462 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 765 places, 2102 transitions, 56375 flow [2021-04-29 08:15:03,344 INFO L129 PetriNetUnfolder]: 2450/4392 cut-off events. [2021-04-29 08:15:03,345 INFO L130 PetriNetUnfolder]: For 362369/362711 co-relation queries the response was YES. [2021-04-29 08:15:03,442 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70811 conditions, 4392 events. 2450/4392 cut-off events. For 362369/362711 co-relation queries the response was YES. Maximal size of possible extension queue 473. Compared 31215 event pairs, 175 based on Foata normal form. 47/4340 useless extension candidates. Maximal degree in co-relation 70540. Up to 1371 conditions per place. [2021-04-29 08:15:03,507 INFO L146 LiptonReduction]: Number of co-enabled transitions 1604 [2021-04-29 08:15:04,324 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:15:04,324 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:15:04,324 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2888 [2021-04-29 08:15:04,325 INFO L480 AbstractCegarLoop]: Abstraction has has 765 places, 2102 transitions, 56375 flow [2021-04-29 08:15:04,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:15:04,325 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:15:04,325 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] [2021-04-29 08:15:04,325 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-04-29 08:15:04,325 INFO L428 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:15:04,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:15:04,326 INFO L82 PathProgramCache]: Analyzing trace with hash -49910608, now seen corresponding path program 33 times [2021-04-29 08:15:04,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:15:04,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274581347] [2021-04-29 08:15:04,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:15:04,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:15:04,340 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:15:04,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:15:04,347 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:15:04,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:15:04,357 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:15:04,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:15:04,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:15:04,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:15:04,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:15:04,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:15:04,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:15:04,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:15:04,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:15:04,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:15:04,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:15:04,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:15:04,450 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:15:04,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:15:04,456 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-04-29 08:15:04,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:15:04,487 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:15:04,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:15:04,518 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:15:04,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:15:04,551 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:15:04,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:15:04,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:15:04,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274581347] [2021-04-29 08:15:04,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:15:04,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 08:15:04,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140989639] [2021-04-29 08:15:04,558 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 08:15:04,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:15:04,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 08:15:04,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-04-29 08:15:04,559 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:15:04,559 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 765 places, 2102 transitions, 56375 flow. Second operand has 11 states, 11 states have (on average 27.272727272727273) internal successors, (300), 11 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:15:04,559 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:15:04,560 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:15:04,560 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:15:10,630 INFO L129 PetriNetUnfolder]: 2830/4862 cut-off events. [2021-04-29 08:15:10,631 INFO L130 PetriNetUnfolder]: For 512684/512896 co-relation queries the response was YES. [2021-04-29 08:15:10,733 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85415 conditions, 4862 events. 2830/4862 cut-off events. For 512684/512896 co-relation queries the response was YES. Maximal size of possible extension queue 486. Compared 32416 event pairs, 452 based on Foata normal form. 43/4904 useless extension candidates. Maximal degree in co-relation 85142. Up to 4194 conditions per place. [2021-04-29 08:15:10,769 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1518 selfloop transitions, 587 changer transitions 6/2119 dead transitions. [2021-04-29 08:15:10,769 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 786 places, 2119 transitions, 60922 flow [2021-04-29 08:15:10,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-04-29 08:15:10,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-04-29 08:15:10,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 695 transitions. [2021-04-29 08:15:10,771 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5095307917888563 [2021-04-29 08:15:10,771 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 695 transitions. [2021-04-29 08:15:10,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 695 transitions. [2021-04-29 08:15:10,771 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:15:10,771 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 695 transitions. [2021-04-29 08:15:10,773 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 31.59090909090909) internal successors, (695), 22 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:15:10,773 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 62.0) internal successors, (1426), 23 states have internal predecessors, (1426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:15:10,773 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 62.0) internal successors, (1426), 23 states have internal predecessors, (1426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:15:10,774 INFO L185 Difference]: Start difference. First operand has 765 places, 2102 transitions, 56375 flow. Second operand 22 states and 695 transitions. [2021-04-29 08:15:10,774 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 786 places, 2119 transitions, 60922 flow [2021-04-29 08:15:14,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 768 places, 2119 transitions, 60064 flow, removed 10 selfloop flow, removed 18 redundant places. [2021-04-29 08:15:14,395 INFO L241 Difference]: Finished difference. Result has 771 places, 2101 transitions, 56801 flow [2021-04-29 08:15:14,396 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=55517, PETRI_DIFFERENCE_MINUEND_PLACES=747, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=587, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1515, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=56801, PETRI_PLACES=771, PETRI_TRANSITIONS=2101} [2021-04-29 08:15:14,396 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 719 predicate places. [2021-04-29 08:15:14,396 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:15:14,396 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 771 places, 2101 transitions, 56801 flow [2021-04-29 08:15:14,397 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 771 places, 2101 transitions, 56801 flow [2021-04-29 08:15:14,422 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 770 places, 2101 transitions, 56801 flow [2021-04-29 08:15:16,154 INFO L129 PetriNetUnfolder]: 2446/4387 cut-off events. [2021-04-29 08:15:16,154 INFO L130 PetriNetUnfolder]: For 367444/367899 co-relation queries the response was YES. [2021-04-29 08:15:16,254 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71334 conditions, 4387 events. 2446/4387 cut-off events. For 367444/367899 co-relation queries the response was YES. Maximal size of possible extension queue 480. Compared 31086 event pairs, 177 based on Foata normal form. 51/4333 useless extension candidates. Maximal degree in co-relation 71031. Up to 1367 conditions per place. [2021-04-29 08:15:16,322 INFO L146 LiptonReduction]: Number of co-enabled transitions 1604 [2021-04-29 08:15:17,119 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:15:17,119 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:15:17,119 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2723 [2021-04-29 08:15:17,120 INFO L480 AbstractCegarLoop]: Abstraction has has 770 places, 2101 transitions, 56801 flow [2021-04-29 08:15:17,120 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.272727272727273) internal successors, (300), 11 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:15:17,120 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:15:17,120 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] [2021-04-29 08:15:17,120 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-04-29 08:15:17,120 INFO L428 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:15:17,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:15:17,121 INFO L82 PathProgramCache]: Analyzing trace with hash -1495159708, now seen corresponding path program 34 times [2021-04-29 08:15:17,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:15:17,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351129201] [2021-04-29 08:15:17,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:15:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:15:17,137 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:15:17,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:15:17,144 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:15:17,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:15:17,154 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:15:17,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:15:17,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:15:17,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:15:17,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:15:17,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:15:17,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:15:17,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:15:17,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:15:17,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:15:17,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:15:17,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:15:17,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:15:17,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:15:17,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:15:17,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:15:17,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:15:17,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:15:17,326 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:15:17,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:15:17,360 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:15:17,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:15:17,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:15:17,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351129201] [2021-04-29 08:15:17,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:15:17,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:15:17,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840110836] [2021-04-29 08:15:17,365 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:15:17,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:15:17,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:15:17,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:15:17,366 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:15:17,367 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 770 places, 2101 transitions, 56801 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:15:17,367 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:15:17,367 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:15:17,367 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:15:22,669 INFO L129 PetriNetUnfolder]: 2827/4871 cut-off events. [2021-04-29 08:15:22,669 INFO L130 PetriNetUnfolder]: For 516589/516807 co-relation queries the response was YES. [2021-04-29 08:15:22,774 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85737 conditions, 4871 events. 2827/4871 cut-off events. For 516589/516807 co-relation queries the response was YES. Maximal size of possible extension queue 489. Compared 32640 event pairs, 440 based on Foata normal form. 50/4920 useless extension candidates. Maximal degree in co-relation 85423. Up to 4379 conditions per place. [2021-04-29 08:15:22,812 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1674 selfloop transitions, 419 changer transitions 5/2106 dead transitions. [2021-04-29 08:15:22,812 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 792 places, 2106 transitions, 61058 flow [2021-04-29 08:15:22,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-04-29 08:15:22,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-04-29 08:15:22,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 689 transitions. [2021-04-29 08:15:22,813 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4831697054698457 [2021-04-29 08:15:22,814 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 689 transitions. [2021-04-29 08:15:22,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 689 transitions. [2021-04-29 08:15:22,814 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:15:22,814 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 689 transitions. [2021-04-29 08:15:22,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 29.956521739130434) internal successors, (689), 23 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:15:22,816 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 62.0) internal successors, (1488), 24 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:15:22,816 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 62.0) internal successors, (1488), 24 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:15:22,816 INFO L185 Difference]: Start difference. First operand has 770 places, 2101 transitions, 56801 flow. Second operand 23 states and 689 transitions. [2021-04-29 08:15:22,816 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 792 places, 2106 transitions, 61058 flow [2021-04-29 08:15:26,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 769 places, 2106 transitions, 59715 flow, removed 4 selfloop flow, removed 23 redundant places. [2021-04-29 08:15:26,366 INFO L241 Difference]: Finished difference. Result has 772 places, 2099 transitions, 56579 flow [2021-04-29 08:15:26,367 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=55469, PETRI_DIFFERENCE_MINUEND_PLACES=747, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=416, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1682, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=56579, PETRI_PLACES=772, PETRI_TRANSITIONS=2099} [2021-04-29 08:15:26,367 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 720 predicate places. [2021-04-29 08:15:26,367 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:15:26,368 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 772 places, 2099 transitions, 56579 flow [2021-04-29 08:15:26,368 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 772 places, 2099 transitions, 56579 flow [2021-04-29 08:15:26,393 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 769 places, 2099 transitions, 56579 flow [2021-04-29 08:15:28,132 INFO L129 PetriNetUnfolder]: 2442/4392 cut-off events. [2021-04-29 08:15:28,132 INFO L130 PetriNetUnfolder]: For 368030/368352 co-relation queries the response was YES. [2021-04-29 08:15:28,237 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71360 conditions, 4392 events. 2442/4392 cut-off events. For 368030/368352 co-relation queries the response was YES. Maximal size of possible extension queue 476. Compared 31359 event pairs, 158 based on Foata normal form. 46/4342 useless extension candidates. Maximal degree in co-relation 71063. Up to 1360 conditions per place. [2021-04-29 08:15:28,307 INFO L146 LiptonReduction]: Number of co-enabled transitions 1608 [2021-04-29 08:15:29,128 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:15:29,128 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:15:29,128 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2761 [2021-04-29 08:15:29,128 INFO L480 AbstractCegarLoop]: Abstraction has has 769 places, 2099 transitions, 56579 flow [2021-04-29 08:15:29,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:15:29,129 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:15:29,129 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] [2021-04-29 08:15:29,129 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-04-29 08:15:29,129 INFO L428 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:15:29,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:15:29,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1312072786, now seen corresponding path program 35 times [2021-04-29 08:15:29,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:15:29,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999624835] [2021-04-29 08:15:29,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:15:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:15:29,170 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:15:29,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:15:29,177 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:15:29,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:15:29,188 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:15:29,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:15:29,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:15:29,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:15:29,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:15:29,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:15:29,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:15:29,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:15:29,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:15:29,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:15:29,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:15:29,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:15:29,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:15:29,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:15:29,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:15:29,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:15:29,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:15:29,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:15:29,407 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:15:29,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:15:29,444 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:15:29,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:15:29,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:15:29,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999624835] [2021-04-29 08:15:29,450 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:15:29,450 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-04-29 08:15:29,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046445930] [2021-04-29 08:15:29,451 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:15:29,451 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:15:29,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:15:29,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:15:29,452 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:15:29,453 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 769 places, 2099 transitions, 56579 flow. Second operand has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:15:29,453 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:15:29,453 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:15:29,453 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:15:35,152 INFO L129 PetriNetUnfolder]: 2826/4866 cut-off events. [2021-04-29 08:15:35,153 INFO L130 PetriNetUnfolder]: For 514094/514314 co-relation queries the response was YES. [2021-04-29 08:15:35,250 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85738 conditions, 4866 events. 2826/4866 cut-off events. For 514094/514314 co-relation queries the response was YES. Maximal size of possible extension queue 486. Compared 32542 event pairs, 465 based on Foata normal form. 43/4908 useless extension candidates. Maximal degree in co-relation 85437. Up to 4340 conditions per place. [2021-04-29 08:15:35,286 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1634 selfloop transitions, 449 changer transitions 13/2104 dead transitions. [2021-04-29 08:15:35,286 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 791 places, 2104 transitions, 60819 flow [2021-04-29 08:15:35,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-04-29 08:15:35,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-04-29 08:15:35,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 689 transitions. [2021-04-29 08:15:35,288 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4831697054698457 [2021-04-29 08:15:35,288 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 689 transitions. [2021-04-29 08:15:35,288 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 689 transitions. [2021-04-29 08:15:35,288 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:15:35,288 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 689 transitions. [2021-04-29 08:15:35,289 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 29.956521739130434) internal successors, (689), 23 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:15:35,290 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 62.0) internal successors, (1488), 24 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:15:35,290 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 62.0) internal successors, (1488), 24 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:15:35,290 INFO L185 Difference]: Start difference. First operand has 769 places, 2099 transitions, 56579 flow. Second operand 23 states and 689 transitions. [2021-04-29 08:15:35,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 791 places, 2104 transitions, 60819 flow [2021-04-29 08:15:38,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 776 places, 2104 transitions, 60319 flow, removed 5 selfloop flow, removed 15 redundant places. [2021-04-29 08:15:38,756 INFO L241 Difference]: Finished difference. Result has 779 places, 2091 transitions, 56865 flow [2021-04-29 08:15:38,757 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=56079, PETRI_DIFFERENCE_MINUEND_PLACES=754, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2099, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=449, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1650, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=56865, PETRI_PLACES=779, PETRI_TRANSITIONS=2091} [2021-04-29 08:15:38,757 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 727 predicate places. [2021-04-29 08:15:38,757 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:15:38,758 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 779 places, 2091 transitions, 56865 flow [2021-04-29 08:15:38,758 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 779 places, 2091 transitions, 56865 flow [2021-04-29 08:15:38,783 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 773 places, 2091 transitions, 56865 flow [2021-04-29 08:15:40,412 INFO L129 PetriNetUnfolder]: 2441/4373 cut-off events. [2021-04-29 08:15:40,412 INFO L130 PetriNetUnfolder]: For 365860/366257 co-relation queries the response was YES. [2021-04-29 08:15:40,518 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71007 conditions, 4373 events. 2441/4373 cut-off events. For 365860/366257 co-relation queries the response was YES. Maximal size of possible extension queue 472. Compared 30925 event pairs, 172 based on Foata normal form. 50/4325 useless extension candidates. Maximal degree in co-relation 70732. Up to 1366 conditions per place. [2021-04-29 08:15:40,589 INFO L146 LiptonReduction]: Number of co-enabled transitions 1582 [2021-04-29 08:15:41,722 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:15:41,723 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:15:41,723 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2966 [2021-04-29 08:15:41,723 INFO L480 AbstractCegarLoop]: Abstraction has has 773 places, 2091 transitions, 56865 flow [2021-04-29 08:15:41,723 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:15:41,723 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:15:41,724 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] [2021-04-29 08:15:41,724 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-04-29 08:15:41,724 INFO L428 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:15:41,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:15:41,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1472563160, now seen corresponding path program 36 times [2021-04-29 08:15:41,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:15:41,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648445471] [2021-04-29 08:15:41,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:15:41,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:15:41,740 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:15:41,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:15:41,747 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:15:41,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:15:41,759 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:15:41,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:15:41,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:15:41,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:15:41,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:15:41,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:15:41,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:15:41,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:15:41,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:15:41,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:15:41,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:15:41,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:15:41,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:15:41,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:15:41,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:15:41,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:15:41,891 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:15:41,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:15:41,924 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:15:41,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:15:41,959 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:15:41,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:15:41,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:15:41,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648445471] [2021-04-29 08:15:41,965 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:15:41,965 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:15:41,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506051924] [2021-04-29 08:15:41,966 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:15:41,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:15:41,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:15:41,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:15:41,967 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:15:41,967 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 773 places, 2091 transitions, 56865 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:15:41,967 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:15:41,967 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:15:41,968 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:15:48,393 INFO L129 PetriNetUnfolder]: 2823/4846 cut-off events. [2021-04-29 08:15:48,393 INFO L130 PetriNetUnfolder]: For 517866/517986 co-relation queries the response was YES. [2021-04-29 08:15:48,492 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85684 conditions, 4846 events. 2823/4846 cut-off events. For 517866/517986 co-relation queries the response was YES. Maximal size of possible extension queue 483. Compared 32255 event pairs, 451 based on Foata normal form. 23/4868 useless extension candidates. Maximal degree in co-relation 85407. Up to 4364 conditions per place. [2021-04-29 08:15:48,528 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1655 selfloop transitions, 430 changer transitions 5/2098 dead transitions. [2021-04-29 08:15:48,528 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 794 places, 2098 transitions, 61199 flow [2021-04-29 08:15:48,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-04-29 08:15:48,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-04-29 08:15:48,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 673 transitions. [2021-04-29 08:15:48,530 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4934017595307918 [2021-04-29 08:15:48,530 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 673 transitions. [2021-04-29 08:15:48,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 673 transitions. [2021-04-29 08:15:48,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:15:48,530 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 673 transitions. [2021-04-29 08:15:48,531 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 30.59090909090909) internal successors, (673), 22 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:15:48,532 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 62.0) internal successors, (1426), 23 states have internal predecessors, (1426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:15:48,532 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 62.0) internal successors, (1426), 23 states have internal predecessors, (1426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:15:48,532 INFO L185 Difference]: Start difference. First operand has 773 places, 2091 transitions, 56865 flow. Second operand 22 states and 673 transitions. [2021-04-29 08:15:48,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 794 places, 2098 transitions, 61199 flow [2021-04-29 08:15:52,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 768 places, 2098 transitions, 60177 flow, removed 5 selfloop flow, removed 26 redundant places. [2021-04-29 08:15:52,341 INFO L241 Difference]: Finished difference. Result has 769 places, 2086 transitions, 56610 flow [2021-04-29 08:15:52,343 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=55845, PETRI_DIFFERENCE_MINUEND_PLACES=747, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2091, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=430, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1661, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=56610, PETRI_PLACES=769, PETRI_TRANSITIONS=2086} [2021-04-29 08:15:52,343 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 717 predicate places. [2021-04-29 08:15:52,343 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:15:52,343 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 769 places, 2086 transitions, 56610 flow [2021-04-29 08:15:52,343 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 769 places, 2086 transitions, 56610 flow [2021-04-29 08:15:52,369 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 762 places, 2086 transitions, 56610 flow [2021-04-29 08:15:53,949 INFO L129 PetriNetUnfolder]: 2427/4358 cut-off events. [2021-04-29 08:15:53,949 INFO L130 PetriNetUnfolder]: For 370978/371284 co-relation queries the response was YES. [2021-04-29 08:15:54,054 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70962 conditions, 4358 events. 2427/4358 cut-off events. For 370978/371284 co-relation queries the response was YES. Maximal size of possible extension queue 476. Compared 30790 event pairs, 215 based on Foata normal form. 53/4341 useless extension candidates. Maximal degree in co-relation 70686. Up to 1347 conditions per place. [2021-04-29 08:15:54,461 INFO L146 LiptonReduction]: Number of co-enabled transitions 1578 [2021-04-29 08:15:55,301 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:15:55,301 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:15:55,301 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2958 [2021-04-29 08:15:55,301 INFO L480 AbstractCegarLoop]: Abstraction has has 762 places, 2086 transitions, 56610 flow [2021-04-29 08:15:55,301 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:15:55,302 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:15:55,302 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] [2021-04-29 08:15:55,302 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-04-29 08:15:55,302 INFO L428 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:15:55,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:15:55,302 INFO L82 PathProgramCache]: Analyzing trace with hash -950466886, now seen corresponding path program 37 times [2021-04-29 08:15:55,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:15:55,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689297153] [2021-04-29 08:15:55,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:15:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:15:55,318 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:15:55,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:15:55,325 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:15:55,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:15:55,336 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:15:55,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:15:55,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:15:55,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:15:55,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:15:55,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:15:55,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:15:55,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:15:55,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:15:55,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:15:55,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:15:55,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:15:55,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:15:55,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:15:55,455 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-04-29 08:15:55,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:15:55,487 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:15:55,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:15:55,519 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:15:55,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:15:55,552 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:15:55,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:15:55,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:15:55,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689297153] [2021-04-29 08:15:55,558 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:15:55,558 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:15:55,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033906999] [2021-04-29 08:15:55,558 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:15:55,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:15:55,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:15:55,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:15:55,559 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:15:55,559 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 762 places, 2086 transitions, 56610 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:15:55,560 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:15:55,560 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:15:55,560 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:15:58,477 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 15 [2021-04-29 08:16:01,919 INFO L129 PetriNetUnfolder]: 2822/4839 cut-off events. [2021-04-29 08:16:01,919 INFO L130 PetriNetUnfolder]: For 516933/517053 co-relation queries the response was YES. [2021-04-29 08:16:02,018 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85559 conditions, 4839 events. 2822/4839 cut-off events. For 516933/517053 co-relation queries the response was YES. Maximal size of possible extension queue 481. Compared 32170 event pairs, 444 based on Foata normal form. 23/4861 useless extension candidates. Maximal degree in co-relation 85280. Up to 4070 conditions per place. [2021-04-29 08:16:02,057 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1331 selfloop transitions, 758 changer transitions 4/2101 dead transitions. [2021-04-29 08:16:02,057 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 787 places, 2101 transitions, 61187 flow [2021-04-29 08:16:02,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-04-29 08:16:02,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-04-29 08:16:02,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 808 transitions. [2021-04-29 08:16:02,059 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5012406947890818 [2021-04-29 08:16:02,059 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 808 transitions. [2021-04-29 08:16:02,059 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 808 transitions. [2021-04-29 08:16:02,059 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:16:02,059 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 808 transitions. [2021-04-29 08:16:02,060 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 31.076923076923077) internal successors, (808), 26 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:16:02,061 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 62.0) internal successors, (1674), 27 states have internal predecessors, (1674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:16:02,061 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 62.0) internal successors, (1674), 27 states have internal predecessors, (1674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:16:02,061 INFO L185 Difference]: Start difference. First operand has 762 places, 2086 transitions, 56610 flow. Second operand 26 states and 808 transitions. [2021-04-29 08:16:02,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 787 places, 2101 transitions, 61187 flow [2021-04-29 08:16:05,593 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 764 places, 2101 transitions, 60292 flow, removed 3 selfloop flow, removed 23 redundant places. [2021-04-29 08:16:05,644 INFO L241 Difference]: Finished difference. Result has 765 places, 2082 transitions, 57185 flow [2021-04-29 08:16:05,645 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=55715, PETRI_DIFFERENCE_MINUEND_PLACES=739, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2086, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=758, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=57185, PETRI_PLACES=765, PETRI_TRANSITIONS=2082} [2021-04-29 08:16:05,645 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 713 predicate places. [2021-04-29 08:16:05,645 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:16:05,645 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 765 places, 2082 transitions, 57185 flow [2021-04-29 08:16:05,646 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 765 places, 2082 transitions, 57185 flow [2021-04-29 08:16:05,671 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 764 places, 2082 transitions, 57185 flow [2021-04-29 08:16:07,697 INFO L129 PetriNetUnfolder]: 2427/4348 cut-off events. [2021-04-29 08:16:07,697 INFO L130 PetriNetUnfolder]: For 368528/368980 co-relation queries the response was YES. [2021-04-29 08:16:07,792 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71377 conditions, 4348 events. 2427/4348 cut-off events. For 368528/368980 co-relation queries the response was YES. Maximal size of possible extension queue 476. Compared 30801 event pairs, 165 based on Foata normal form. 55/4307 useless extension candidates. Maximal degree in co-relation 71088. Up to 1355 conditions per place. [2021-04-29 08:16:07,853 INFO L146 LiptonReduction]: Number of co-enabled transitions 1574 [2021-04-29 08:16:08,622 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:16:08,622 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:16:08,622 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2977 [2021-04-29 08:16:08,623 INFO L480 AbstractCegarLoop]: Abstraction has has 764 places, 2082 transitions, 57185 flow [2021-04-29 08:16:08,623 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:16:08,623 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:16:08,623 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] [2021-04-29 08:16:08,623 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-04-29 08:16:08,623 INFO L428 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:16:08,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:16:08,624 INFO L82 PathProgramCache]: Analyzing trace with hash -2007792962, now seen corresponding path program 38 times [2021-04-29 08:16:08,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:16:08,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994148091] [2021-04-29 08:16:08,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:16:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:16:08,645 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:16:08,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:16:08,651 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:16:08,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:16:08,667 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:16:08,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:16:08,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:16:08,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:16:08,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:16:08,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:16:08,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:16:08,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:16:08,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:16:08,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:16:08,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:16:08,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:16:08,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:16:08,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:16:08,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:16:08,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:16:08,798 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:16:08,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:16:08,831 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:16:08,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:16:08,866 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:16:08,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:16:08,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:16:08,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994148091] [2021-04-29 08:16:08,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:16:08,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:16:08,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815441353] [2021-04-29 08:16:08,873 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:16:08,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:16:08,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:16:08,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:16:08,874 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:16:08,874 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 764 places, 2082 transitions, 57185 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:16:08,874 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:16:08,874 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:16:08,874 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:16:14,998 INFO L129 PetriNetUnfolder]: 2819/4828 cut-off events. [2021-04-29 08:16:14,998 INFO L130 PetriNetUnfolder]: For 516758/516978 co-relation queries the response was YES. [2021-04-29 08:16:15,098 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85997 conditions, 4828 events. 2819/4828 cut-off events. For 516758/516978 co-relation queries the response was YES. Maximal size of possible extension queue 477. Compared 31951 event pairs, 451 based on Foata normal form. 43/4870 useless extension candidates. Maximal degree in co-relation 85704. Up to 4357 conditions per place. [2021-04-29 08:16:15,136 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1651 selfloop transitions, 432 changer transitions 2/2093 dead transitions. [2021-04-29 08:16:15,136 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 789 places, 2093 transitions, 61558 flow [2021-04-29 08:16:15,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-04-29 08:16:15,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-04-29 08:16:15,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 781 transitions. [2021-04-29 08:16:15,142 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4844913151364764 [2021-04-29 08:16:15,142 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 781 transitions. [2021-04-29 08:16:15,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 781 transitions. [2021-04-29 08:16:15,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:16:15,142 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 781 transitions. [2021-04-29 08:16:15,144 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 30.03846153846154) internal successors, (781), 26 states have internal predecessors, (781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:16:15,145 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 62.0) internal successors, (1674), 27 states have internal predecessors, (1674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:16:15,145 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 62.0) internal successors, (1674), 27 states have internal predecessors, (1674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:16:15,145 INFO L185 Difference]: Start difference. First operand has 764 places, 2082 transitions, 57185 flow. Second operand 26 states and 781 transitions. [2021-04-29 08:16:15,145 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 789 places, 2093 transitions, 61558 flow [2021-04-29 08:16:18,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 763 places, 2093 transitions, 60045 flow, removed 5 selfloop flow, removed 26 redundant places. [2021-04-29 08:16:18,835 INFO L241 Difference]: Finished difference. Result has 767 places, 2084 transitions, 56585 flow [2021-04-29 08:16:18,836 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=55678, PETRI_DIFFERENCE_MINUEND_PLACES=738, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2082, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=428, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1650, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=56585, PETRI_PLACES=767, PETRI_TRANSITIONS=2084} [2021-04-29 08:16:18,836 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 715 predicate places. [2021-04-29 08:16:18,836 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:16:18,837 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 767 places, 2084 transitions, 56585 flow [2021-04-29 08:16:18,837 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 767 places, 2084 transitions, 56585 flow [2021-04-29 08:16:18,862 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 765 places, 2084 transitions, 56585 flow [2021-04-29 08:16:20,863 INFO L129 PetriNetUnfolder]: 2448/4372 cut-off events. [2021-04-29 08:16:20,863 INFO L130 PetriNetUnfolder]: For 367724/368148 co-relation queries the response was YES. [2021-04-29 08:16:20,958 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71163 conditions, 4372 events. 2448/4372 cut-off events. For 367724/368148 co-relation queries the response was YES. Maximal size of possible extension queue 469. Compared 30784 event pairs, 178 based on Foata normal form. 53/4319 useless extension candidates. Maximal degree in co-relation 70862. Up to 1368 conditions per place. [2021-04-29 08:16:21,021 INFO L146 LiptonReduction]: Number of co-enabled transitions 1570 [2021-04-29 08:16:21,798 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:16:21,799 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:16:21,799 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2963 [2021-04-29 08:16:21,799 INFO L480 AbstractCegarLoop]: Abstraction has has 765 places, 2084 transitions, 56585 flow [2021-04-29 08:16:21,799 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:16:21,799 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:16:21,799 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] [2021-04-29 08:16:21,800 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-04-29 08:16:21,800 INFO L428 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:16:21,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:16:21,800 INFO L82 PathProgramCache]: Analyzing trace with hash -1584971952, now seen corresponding path program 39 times [2021-04-29 08:16:21,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:16:21,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51680366] [2021-04-29 08:16:21,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:16:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:16:21,816 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:16:21,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:16:21,827 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:16:21,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:16:21,837 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:16:21,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:16:21,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:16:21,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:16:21,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:16:21,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:16:21,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:16:21,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:16:21,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:16:21,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:16:21,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:16:21,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:16:21,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:16:21,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:16:21,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:16:21,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:16:21,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:16:21,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:16:22,027 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:16:22,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:16:22,063 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:16:22,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:16:22,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:16:22,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51680366] [2021-04-29 08:16:22,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:16:22,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:16:22,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022042201] [2021-04-29 08:16:22,069 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:16:22,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:16:22,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:16:22,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:16:22,070 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:16:22,070 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 765 places, 2084 transitions, 56585 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:16:22,070 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:16:22,070 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:16:22,070 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:16:28,081 INFO L129 PetriNetUnfolder]: 2818/4837 cut-off events. [2021-04-29 08:16:28,081 INFO L130 PetriNetUnfolder]: For 516814/517022 co-relation queries the response was YES. [2021-04-29 08:16:28,198 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85559 conditions, 4837 events. 2818/4837 cut-off events. For 516814/517022 co-relation queries the response was YES. Maximal size of possible extension queue 481. Compared 32078 event pairs, 469 based on Foata normal form. 43/4879 useless extension candidates. Maximal degree in co-relation 85252. Up to 4353 conditions per place. [2021-04-29 08:16:28,238 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1651 selfloop transitions, 422 changer transitions 4/2085 dead transitions. [2021-04-29 08:16:28,239 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 784 places, 2085 transitions, 60748 flow [2021-04-29 08:16:28,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-04-29 08:16:28,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-04-29 08:16:28,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 603 transitions. [2021-04-29 08:16:28,240 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48629032258064514 [2021-04-29 08:16:28,240 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 603 transitions. [2021-04-29 08:16:28,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 603 transitions. [2021-04-29 08:16:28,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:16:28,241 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 603 transitions. [2021-04-29 08:16:28,241 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 30.15) internal successors, (603), 20 states have internal predecessors, (603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:16:28,242 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 62.0) internal successors, (1302), 21 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:16:28,242 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 62.0) internal successors, (1302), 21 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:16:28,243 INFO L185 Difference]: Start difference. First operand has 765 places, 2084 transitions, 56585 flow. Second operand 20 states and 603 transitions. [2021-04-29 08:16:28,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 784 places, 2085 transitions, 60748 flow [2021-04-29 08:16:31,806 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 764 places, 2085 transitions, 59883 flow, removed 2 selfloop flow, removed 20 redundant places. [2021-04-29 08:16:31,864 INFO L241 Difference]: Finished difference. Result has 766 places, 2081 transitions, 56533 flow [2021-04-29 08:16:31,866 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=55720, PETRI_DIFFERENCE_MINUEND_PLACES=745, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2084, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=422, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1662, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=56533, PETRI_PLACES=766, PETRI_TRANSITIONS=2081} [2021-04-29 08:16:31,866 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 714 predicate places. [2021-04-29 08:16:31,866 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:16:31,866 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 766 places, 2081 transitions, 56533 flow [2021-04-29 08:16:31,866 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 766 places, 2081 transitions, 56533 flow [2021-04-29 08:16:31,903 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 763 places, 2081 transitions, 56533 flow [2021-04-29 08:16:33,754 INFO L129 PetriNetUnfolder]: 2437/4365 cut-off events. [2021-04-29 08:16:33,754 INFO L130 PetriNetUnfolder]: For 369788/370132 co-relation queries the response was YES. [2021-04-29 08:16:33,850 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71076 conditions, 4365 events. 2437/4365 cut-off events. For 369788/370132 co-relation queries the response was YES. Maximal size of possible extension queue 462. Compared 30850 event pairs, 186 based on Foata normal form. 49/4315 useless extension candidates. Maximal degree in co-relation 70774. Up to 1369 conditions per place. [2021-04-29 08:16:33,915 INFO L146 LiptonReduction]: Number of co-enabled transitions 1570 [2021-04-29 08:16:34,688 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:16:34,688 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:16:34,688 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2822 [2021-04-29 08:16:34,689 INFO L480 AbstractCegarLoop]: Abstraction has has 763 places, 2081 transitions, 56533 flow [2021-04-29 08:16:34,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:16:34,689 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:16:34,689 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] [2021-04-29 08:16:34,689 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-04-29 08:16:34,689 INFO L428 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:16:34,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:16:34,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1636909964, now seen corresponding path program 40 times [2021-04-29 08:16:34,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:16:34,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886175835] [2021-04-29 08:16:34,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:16:34,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:16:34,710 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:16:34,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:16:34,719 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:16:34,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:16:34,730 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:16:34,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:16:34,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:16:34,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:16:34,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:16:34,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:16:34,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:16:34,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:16:34,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:16:34,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:16:34,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:16:34,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:16:34,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:16:34,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:16:34,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:16:34,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:16:34,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:16:34,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:16:34,912 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:16:34,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:16:34,947 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:16:34,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:16:34,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:16:34,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886175835] [2021-04-29 08:16:34,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:16:34,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:16:34,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112588734] [2021-04-29 08:16:34,954 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:16:34,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:16:34,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:16:34,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:16:34,955 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:16:34,956 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 763 places, 2081 transitions, 56533 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:16:34,956 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:16:34,956 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:16:34,956 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:16:40,459 INFO L129 PetriNetUnfolder]: 2818/4821 cut-off events. [2021-04-29 08:16:40,459 INFO L130 PetriNetUnfolder]: For 517996/518204 co-relation queries the response was YES. [2021-04-29 08:16:40,561 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85489 conditions, 4821 events. 2818/4821 cut-off events. For 517996/518204 co-relation queries the response was YES. Maximal size of possible extension queue 479. Compared 31914 event pairs, 441 based on Foata normal form. 43/4863 useless extension candidates. Maximal degree in co-relation 85181. Up to 4301 conditions per place. [2021-04-29 08:16:40,598 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1643 selfloop transitions, 430 changer transitions 4/2085 dead transitions. [2021-04-29 08:16:40,598 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 779 places, 2085 transitions, 60985 flow [2021-04-29 08:16:40,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-04-29 08:16:40,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-04-29 08:16:40,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 517 transitions. [2021-04-29 08:16:40,599 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4905123339658444 [2021-04-29 08:16:40,599 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 517 transitions. [2021-04-29 08:16:40,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 517 transitions. [2021-04-29 08:16:40,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:16:40,600 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 517 transitions. [2021-04-29 08:16:40,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 30.41176470588235) internal successors, (517), 17 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:16:40,601 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 62.0) internal successors, (1116), 18 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:16:40,601 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 62.0) internal successors, (1116), 18 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:16:40,601 INFO L185 Difference]: Start difference. First operand has 763 places, 2081 transitions, 56533 flow. Second operand 17 states and 517 transitions. [2021-04-29 08:16:40,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 779 places, 2085 transitions, 60985 flow [2021-04-29 08:16:44,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 761 places, 2085 transitions, 60129 flow, removed 2 selfloop flow, removed 18 redundant places. [2021-04-29 08:16:44,211 INFO L241 Difference]: Finished difference. Result has 762 places, 2077 transitions, 56492 flow [2021-04-29 08:16:44,212 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=55677, PETRI_DIFFERENCE_MINUEND_PLACES=745, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2081, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=430, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1651, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=56492, PETRI_PLACES=762, PETRI_TRANSITIONS=2077} [2021-04-29 08:16:44,212 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 710 predicate places. [2021-04-29 08:16:44,212 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:16:44,212 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 762 places, 2077 transitions, 56492 flow [2021-04-29 08:16:44,212 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 762 places, 2077 transitions, 56492 flow [2021-04-29 08:16:44,237 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 759 places, 2077 transitions, 56492 flow [2021-04-29 08:16:46,022 INFO L129 PetriNetUnfolder]: 2458/4376 cut-off events. [2021-04-29 08:16:46,022 INFO L130 PetriNetUnfolder]: For 369172/369595 co-relation queries the response was YES. [2021-04-29 08:16:46,120 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71371 conditions, 4376 events. 2458/4376 cut-off events. For 369172/369595 co-relation queries the response was YES. Maximal size of possible extension queue 475. Compared 30746 event pairs, 163 based on Foata normal form. 53/4313 useless extension candidates. Maximal degree in co-relation 71070. Up to 1397 conditions per place. [2021-04-29 08:16:46,186 INFO L146 LiptonReduction]: Number of co-enabled transitions 1570 [2021-04-29 08:16:46,907 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:16:46,907 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:16:46,907 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2695 [2021-04-29 08:16:46,908 INFO L480 AbstractCegarLoop]: Abstraction has has 759 places, 2077 transitions, 56492 flow [2021-04-29 08:16:46,908 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:16:46,908 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:16:46,908 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:16:46,908 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-04-29 08:16:46,908 INFO L428 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:16:46,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:16:46,909 INFO L82 PathProgramCache]: Analyzing trace with hash 2096001490, now seen corresponding path program 41 times [2021-04-29 08:16:46,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:16:46,909 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242901463] [2021-04-29 08:16:46,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:16:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:16:46,925 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:16:46,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:16:46,933 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:16:46,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:16:46,944 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:16:46,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:16:46,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:16:46,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:16:46,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:16:46,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:16:46,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:16:46,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:16:46,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:16:47,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:16:47,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:16:47,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:16:47,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:16:47,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:16:47,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:16:47,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:16:47,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:16:47,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:16:47,140 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:16:47,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:16:47,178 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:16:47,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:16:47,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:16:47,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242901463] [2021-04-29 08:16:47,184 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:16:47,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-04-29 08:16:47,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323186290] [2021-04-29 08:16:47,184 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:16:47,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:16:47,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:16:47,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:16:47,186 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:16:47,186 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 759 places, 2077 transitions, 56492 flow. Second operand has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:16:47,186 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:16:47,186 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:16:47,186 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:16:53,383 INFO L129 PetriNetUnfolder]: 2816/4849 cut-off events. [2021-04-29 08:16:53,383 INFO L130 PetriNetUnfolder]: For 521964/522178 co-relation queries the response was YES. [2021-04-29 08:16:53,486 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85592 conditions, 4849 events. 2816/4849 cut-off events. For 521964/522178 co-relation queries the response was YES. Maximal size of possible extension queue 479. Compared 32359 event pairs, 441 based on Foata normal form. 50/4898 useless extension candidates. Maximal degree in co-relation 85285. Up to 4310 conditions per place. [2021-04-29 08:16:53,524 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1624 selfloop transitions, 447 changer transitions 12/2091 dead transitions. [2021-04-29 08:16:53,524 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 786 places, 2091 transitions, 60774 flow [2021-04-29 08:16:53,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-04-29 08:16:53,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-04-29 08:16:53,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 827 transitions. [2021-04-29 08:16:53,530 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4763824884792627 [2021-04-29 08:16:53,530 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 827 transitions. [2021-04-29 08:16:53,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 827 transitions. [2021-04-29 08:16:53,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:16:53,530 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 827 transitions. [2021-04-29 08:16:53,532 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 29.535714285714285) internal successors, (827), 28 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:16:53,533 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 62.0) internal successors, (1798), 29 states have internal predecessors, (1798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:16:53,533 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 62.0) internal successors, (1798), 29 states have internal predecessors, (1798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:16:53,534 INFO L185 Difference]: Start difference. First operand has 759 places, 2077 transitions, 56492 flow. Second operand 28 states and 827 transitions. [2021-04-29 08:16:53,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 786 places, 2091 transitions, 60774 flow [2021-04-29 08:16:57,184 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 771 places, 2091 transitions, 59896 flow, removed 4 selfloop flow, removed 15 redundant places. [2021-04-29 08:16:57,232 INFO L241 Difference]: Finished difference. Result has 774 places, 2077 transitions, 56503 flow [2021-04-29 08:16:57,233 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=55618, PETRI_DIFFERENCE_MINUEND_PLACES=744, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2077, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=443, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1633, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=56503, PETRI_PLACES=774, PETRI_TRANSITIONS=2077} [2021-04-29 08:16:57,233 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 722 predicate places. [2021-04-29 08:16:57,233 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:16:57,233 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 774 places, 2077 transitions, 56503 flow [2021-04-29 08:16:57,233 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 774 places, 2077 transitions, 56503 flow [2021-04-29 08:16:57,258 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 769 places, 2077 transitions, 56503 flow [2021-04-29 08:16:59,352 INFO L129 PetriNetUnfolder]: 2413/4337 cut-off events. [2021-04-29 08:16:59,352 INFO L130 PetriNetUnfolder]: For 371947/372258 co-relation queries the response was YES. [2021-04-29 08:16:59,452 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70990 conditions, 4337 events. 2413/4337 cut-off events. For 371947/372258 co-relation queries the response was YES. Maximal size of possible extension queue 483. Compared 30849 event pairs, 186 based on Foata normal form. 53/4294 useless extension candidates. Maximal degree in co-relation 70719. Up to 1363 conditions per place. [2021-04-29 08:16:59,519 INFO L146 LiptonReduction]: Number of co-enabled transitions 1574 [2021-04-29 08:17:00,289 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:17:00,289 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:17:00,290 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3057 [2021-04-29 08:17:00,290 INFO L480 AbstractCegarLoop]: Abstraction has has 769 places, 2077 transitions, 56503 flow [2021-04-29 08:17:00,290 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:17:00,290 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:17:00,290 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] [2021-04-29 08:17:00,290 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-04-29 08:17:00,290 INFO L428 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:17:00,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:17:00,291 INFO L82 PathProgramCache]: Analyzing trace with hash -2046992880, now seen corresponding path program 42 times [2021-04-29 08:17:00,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:17:00,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2288665] [2021-04-29 08:17:00,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:17:00,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:17:00,306 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:17:00,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:17:00,313 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:17:00,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:17:00,329 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:17:00,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:17:00,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:00,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:17:00,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:00,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:17:00,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:00,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:17:00,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:00,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:17:00,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:00,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:17:00,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:00,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:17:00,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:00,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:17:00,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:00,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:17:00,518 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 08:17:00,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:17:00,554 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:17:00,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:17:00,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:17:00,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2288665] [2021-04-29 08:17:00,559 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:17:00,559 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:17:00,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866537949] [2021-04-29 08:17:00,559 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:17:00,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:17:00,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:17:00,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:17:00,560 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:17:00,560 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 769 places, 2077 transitions, 56503 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:17:00,561 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:17:00,561 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:17:00,561 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:17:06,068 INFO L129 PetriNetUnfolder]: 2807/4853 cut-off events. [2021-04-29 08:17:06,068 INFO L130 PetriNetUnfolder]: For 521183/521397 co-relation queries the response was YES. [2021-04-29 08:17:06,172 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85508 conditions, 4853 events. 2807/4853 cut-off events. For 521183/521397 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 32474 event pairs, 441 based on Foata normal form. 50/4902 useless extension candidates. Maximal degree in co-relation 85235. Up to 4310 conditions per place. [2021-04-29 08:17:06,510 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1623 selfloop transitions, 447 changer transitions 5/2083 dead transitions. [2021-04-29 08:17:06,511 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 797 places, 2083 transitions, 60687 flow [2021-04-29 08:17:06,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-04-29 08:17:06,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-04-29 08:17:06,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 857 transitions. [2021-04-29 08:17:06,513 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47664071190211343 [2021-04-29 08:17:06,513 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 857 transitions. [2021-04-29 08:17:06,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 857 transitions. [2021-04-29 08:17:06,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:17:06,513 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 857 transitions. [2021-04-29 08:17:06,515 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 29.551724137931036) internal successors, (857), 29 states have internal predecessors, (857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:17:06,516 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 62.0) internal successors, (1860), 30 states have internal predecessors, (1860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:17:06,516 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 62.0) internal successors, (1860), 30 states have internal predecessors, (1860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:17:06,516 INFO L185 Difference]: Start difference. First operand has 769 places, 2077 transitions, 56503 flow. Second operand 29 states and 857 transitions. [2021-04-29 08:17:06,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 797 places, 2083 transitions, 60687 flow [2021-04-29 08:17:09,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 780 places, 2083 transitions, 59877 flow, removed 13 selfloop flow, removed 17 redundant places. [2021-04-29 08:17:09,767 INFO L241 Difference]: Finished difference. Result has 782 places, 2075 transitions, 56592 flow [2021-04-29 08:17:09,768 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=55699, PETRI_DIFFERENCE_MINUEND_PLACES=752, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2077, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=445, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1630, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=56592, PETRI_PLACES=782, PETRI_TRANSITIONS=2075} [2021-04-29 08:17:09,768 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 730 predicate places. [2021-04-29 08:17:09,768 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:17:09,768 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 782 places, 2075 transitions, 56592 flow [2021-04-29 08:17:09,768 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 782 places, 2075 transitions, 56592 flow [2021-04-29 08:17:09,793 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 780 places, 2075 transitions, 56592 flow [2021-04-29 08:17:11,456 INFO L129 PetriNetUnfolder]: 2436/4387 cut-off events. [2021-04-29 08:17:11,456 INFO L130 PetriNetUnfolder]: For 362339/362695 co-relation queries the response was YES. [2021-04-29 08:17:11,556 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71057 conditions, 4387 events. 2436/4387 cut-off events. For 362339/362695 co-relation queries the response was YES. Maximal size of possible extension queue 481. Compared 31133 event pairs, 178 based on Foata normal form. 46/4335 useless extension candidates. Maximal degree in co-relation 70757. Up to 1379 conditions per place. [2021-04-29 08:17:11,625 INFO L146 LiptonReduction]: Number of co-enabled transitions 1568 [2021-04-29 08:17:12,400 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:17:12,400 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:17:12,400 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2632 [2021-04-29 08:17:12,401 INFO L480 AbstractCegarLoop]: Abstraction has has 780 places, 2075 transitions, 56592 flow [2021-04-29 08:17:12,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:17:12,401 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:17:12,401 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] [2021-04-29 08:17:12,401 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-04-29 08:17:12,401 INFO L428 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:17:12,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:17:12,401 INFO L82 PathProgramCache]: Analyzing trace with hash -847144006, now seen corresponding path program 43 times [2021-04-29 08:17:12,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:17:12,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402692504] [2021-04-29 08:17:12,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:17:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:17:12,419 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:17:12,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:17:12,426 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:17:12,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:17:12,439 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:17:12,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:17:12,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:12,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:17:12,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:12,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:17:12,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:12,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:17:12,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:12,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:17:12,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:12,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:17:12,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:12,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:17:12,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:12,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:17:12,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:12,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:17:12,653 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:17:12,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:17:12,689 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:17:12,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:17:12,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:17:12,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402692504] [2021-04-29 08:17:12,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:17:12,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:17:12,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768753368] [2021-04-29 08:17:12,695 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:17:12,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:17:12,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:17:12,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:17:12,696 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:17:12,697 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 780 places, 2075 transitions, 56592 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:17:12,697 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:17:12,697 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:17:12,697 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:17:17,791 INFO L129 PetriNetUnfolder]: 2806/4832 cut-off events. [2021-04-29 08:17:17,791 INFO L130 PetriNetUnfolder]: For 512757/512965 co-relation queries the response was YES. [2021-04-29 08:17:17,894 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85311 conditions, 4832 events. 2806/4832 cut-off events. For 512757/512965 co-relation queries the response was YES. Maximal size of possible extension queue 479. Compared 32162 event pairs, 468 based on Foata normal form. 43/4874 useless extension candidates. Maximal degree in co-relation 85005. Up to 4343 conditions per place. [2021-04-29 08:17:17,931 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1649 selfloop transitions, 416 changer transitions 5/2078 dead transitions. [2021-04-29 08:17:17,931 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 802 places, 2078 transitions, 60756 flow [2021-04-29 08:17:17,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-04-29 08:17:17,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-04-29 08:17:17,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 685 transitions. [2021-04-29 08:17:17,932 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4803646563814867 [2021-04-29 08:17:17,933 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 685 transitions. [2021-04-29 08:17:17,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 685 transitions. [2021-04-29 08:17:17,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:17:17,933 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 685 transitions. [2021-04-29 08:17:17,934 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 29.782608695652176) internal successors, (685), 23 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:17:17,934 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 62.0) internal successors, (1488), 24 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:17:17,934 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 62.0) internal successors, (1488), 24 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:17:17,935 INFO L185 Difference]: Start difference. First operand has 780 places, 2075 transitions, 56592 flow. Second operand 23 states and 685 transitions. [2021-04-29 08:17:17,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 802 places, 2078 transitions, 60756 flow [2021-04-29 08:17:21,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 780 places, 2078 transitions, 59877 flow, removed 11 selfloop flow, removed 22 redundant places. [2021-04-29 08:17:21,472 INFO L241 Difference]: Finished difference. Result has 781 places, 2070 transitions, 56470 flow [2021-04-29 08:17:21,474 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=55719, PETRI_DIFFERENCE_MINUEND_PLACES=758, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2075, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=416, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1659, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=56470, PETRI_PLACES=781, PETRI_TRANSITIONS=2070} [2021-04-29 08:17:21,474 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 729 predicate places. [2021-04-29 08:17:21,474 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:17:21,474 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 781 places, 2070 transitions, 56470 flow [2021-04-29 08:17:21,474 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 781 places, 2070 transitions, 56470 flow [2021-04-29 08:17:21,510 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 775 places, 2070 transitions, 56470 flow [2021-04-29 08:17:23,223 INFO L129 PetriNetUnfolder]: 2432/4382 cut-off events. [2021-04-29 08:17:23,223 INFO L130 PetriNetUnfolder]: For 363926/364168 co-relation queries the response was YES. [2021-04-29 08:17:23,324 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71074 conditions, 4382 events. 2432/4382 cut-off events. For 363926/364168 co-relation queries the response was YES. Maximal size of possible extension queue 466. Compared 31104 event pairs, 184 based on Foata normal form. 35/4323 useless extension candidates. Maximal degree in co-relation 70775. Up to 1381 conditions per place. [2021-04-29 08:17:23,393 INFO L146 LiptonReduction]: Number of co-enabled transitions 1556 [2021-04-29 08:17:24,168 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:17:24,169 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:17:24,169 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2695 [2021-04-29 08:17:24,169 INFO L480 AbstractCegarLoop]: Abstraction has has 775 places, 2070 transitions, 56470 flow [2021-04-29 08:17:24,169 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:17:24,169 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:17:24,170 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] [2021-04-29 08:17:24,170 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-04-29 08:17:24,170 INFO L428 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:17:24,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:17:24,170 INFO L82 PathProgramCache]: Analyzing trace with hash 781442848, now seen corresponding path program 44 times [2021-04-29 08:17:24,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:17:24,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619156236] [2021-04-29 08:17:24,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:17:24,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:17:24,185 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:17:24,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:17:24,192 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:17:24,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:17:24,206 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:17:24,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:17:24,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:24,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:17:24,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:24,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:17:24,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:24,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:17:24,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:24,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:17:24,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:24,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:17:24,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:24,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:17:24,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:24,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:17:24,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:24,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:17:24,420 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:17:24,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:17:24,458 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:17:24,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:17:24,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:17:24,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619156236] [2021-04-29 08:17:24,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:17:24,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-04-29 08:17:24,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259328661] [2021-04-29 08:17:24,463 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:17:24,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:17:24,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:17:24,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:17:24,464 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:17:24,464 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 775 places, 2070 transitions, 56470 flow. Second operand has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:17:24,464 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:17:24,464 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:17:24,465 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:17:29,686 INFO L129 PetriNetUnfolder]: 2803/4834 cut-off events. [2021-04-29 08:17:29,687 INFO L130 PetriNetUnfolder]: For 512586/512702 co-relation queries the response was YES. [2021-04-29 08:17:29,790 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85253 conditions, 4834 events. 2803/4834 cut-off events. For 512586/512702 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 32195 event pairs, 467 based on Foata normal form. 26/4859 useless extension candidates. Maximal degree in co-relation 84948. Up to 4332 conditions per place. [2021-04-29 08:17:29,827 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1638 selfloop transitions, 410 changer transitions 17/2073 dead transitions. [2021-04-29 08:17:29,827 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 797 places, 2073 transitions, 60617 flow [2021-04-29 08:17:29,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-04-29 08:17:29,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-04-29 08:17:29,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 688 transitions. [2021-04-29 08:17:29,829 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48246844319775595 [2021-04-29 08:17:29,829 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 688 transitions. [2021-04-29 08:17:29,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 688 transitions. [2021-04-29 08:17:29,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:17:29,829 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 688 transitions. [2021-04-29 08:17:29,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 29.91304347826087) internal successors, (688), 23 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:17:29,831 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 62.0) internal successors, (1488), 24 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:17:29,831 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 62.0) internal successors, (1488), 24 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:17:29,831 INFO L185 Difference]: Start difference. First operand has 775 places, 2070 transitions, 56470 flow. Second operand 23 states and 688 transitions. [2021-04-29 08:17:29,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 797 places, 2073 transitions, 60617 flow [2021-04-29 08:17:33,396 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 777 places, 2073 transitions, 59404 flow, removed 6 selfloop flow, removed 20 redundant places. [2021-04-29 08:17:33,444 INFO L241 Difference]: Finished difference. Result has 779 places, 2054 transitions, 55803 flow [2021-04-29 08:17:33,444 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=55261, PETRI_DIFFERENCE_MINUEND_PLACES=755, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2070, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=410, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1660, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=55803, PETRI_PLACES=779, PETRI_TRANSITIONS=2054} [2021-04-29 08:17:33,445 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 727 predicate places. [2021-04-29 08:17:33,445 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:17:33,445 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 779 places, 2054 transitions, 55803 flow [2021-04-29 08:17:33,445 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 779 places, 2054 transitions, 55803 flow [2021-04-29 08:17:33,469 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 771 places, 2054 transitions, 55803 flow [2021-04-29 08:17:35,155 INFO L129 PetriNetUnfolder]: 2431/4352 cut-off events. [2021-04-29 08:17:35,155 INFO L130 PetriNetUnfolder]: For 368129/368363 co-relation queries the response was YES. [2021-04-29 08:17:35,260 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70819 conditions, 4352 events. 2431/4352 cut-off events. For 368129/368363 co-relation queries the response was YES. Maximal size of possible extension queue 472. Compared 30663 event pairs, 176 based on Foata normal form. 36/4289 useless extension candidates. Maximal degree in co-relation 70536. Up to 1387 conditions per place. [2021-04-29 08:17:35,333 INFO L146 LiptonReduction]: Number of co-enabled transitions 1556 [2021-04-29 08:17:36,093 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:17:36,093 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:17:36,093 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2648 [2021-04-29 08:17:36,093 INFO L480 AbstractCegarLoop]: Abstraction has has 771 places, 2054 transitions, 55803 flow [2021-04-29 08:17:36,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 27.076923076923077) internal successors, (352), 13 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:17:36,094 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:17:36,094 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] [2021-04-29 08:17:36,094 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-04-29 08:17:36,094 INFO L428 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:17:36,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:17:36,094 INFO L82 PathProgramCache]: Analyzing trace with hash 463063184, now seen corresponding path program 45 times [2021-04-29 08:17:36,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:17:36,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204093572] [2021-04-29 08:17:36,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:17:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:17:36,109 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:17:36,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:17:36,117 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:17:36,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:17:36,130 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:17:36,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:17:36,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:36,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:17:36,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:36,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:17:36,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:36,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:17:36,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:36,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:17:36,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:36,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:17:36,217 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:17:36,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:17:36,224 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-04-29 08:17:36,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:17:36,252 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:17:36,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:17:36,282 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:17:36,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:17:36,314 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:17:36,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:17:36,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:17:36,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204093572] [2021-04-29 08:17:36,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:17:36,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 08:17:36,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639154441] [2021-04-29 08:17:36,320 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 08:17:36,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:17:36,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 08:17:36,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-04-29 08:17:36,321 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:17:36,321 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 771 places, 2054 transitions, 55803 flow. Second operand has 11 states, 11 states have (on average 27.272727272727273) internal successors, (300), 11 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:17:36,321 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:17:36,321 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:17:36,321 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:17:41,563 INFO L129 PetriNetUnfolder]: 2801/4820 cut-off events. [2021-04-29 08:17:41,563 INFO L130 PetriNetUnfolder]: For 512446/512654 co-relation queries the response was YES. [2021-04-29 08:17:41,666 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84621 conditions, 4820 events. 2801/4820 cut-off events. For 512446/512654 co-relation queries the response was YES. Maximal size of possible extension queue 475. Compared 32053 event pairs, 447 based on Foata normal form. 43/4862 useless extension candidates. Maximal degree in co-relation 84333. Up to 4063 conditions per place. [2021-04-29 08:17:41,702 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1331 selfloop transitions, 732 changer transitions 2/2073 dead transitions. [2021-04-29 08:17:41,702 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 793 places, 2073 transitions, 60349 flow [2021-04-29 08:17:41,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-04-29 08:17:41,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-04-29 08:17:41,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 723 transitions. [2021-04-29 08:17:41,704 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5070126227208976 [2021-04-29 08:17:41,704 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 723 transitions. [2021-04-29 08:17:41,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 723 transitions. [2021-04-29 08:17:41,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:17:41,704 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 723 transitions. [2021-04-29 08:17:41,705 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 31.434782608695652) internal successors, (723), 23 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:17:41,706 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 62.0) internal successors, (1488), 24 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:17:41,706 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 62.0) internal successors, (1488), 24 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:17:41,706 INFO L185 Difference]: Start difference. First operand has 771 places, 2054 transitions, 55803 flow. Second operand 23 states and 723 transitions. [2021-04-29 08:17:41,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 793 places, 2073 transitions, 60349 flow [2021-04-29 08:17:45,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 761 places, 2073 transitions, 59413 flow, removed 10 selfloop flow, removed 32 redundant places. [2021-04-29 08:17:45,121 INFO L241 Difference]: Finished difference. Result has 765 places, 2055 transitions, 56538 flow [2021-04-29 08:17:45,122 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=54869, PETRI_DIFFERENCE_MINUEND_PLACES=739, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2054, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=730, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=56538, PETRI_PLACES=765, PETRI_TRANSITIONS=2055} [2021-04-29 08:17:45,122 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 713 predicate places. [2021-04-29 08:17:45,122 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:17:45,122 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 765 places, 2055 transitions, 56538 flow [2021-04-29 08:17:45,122 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 765 places, 2055 transitions, 56538 flow [2021-04-29 08:17:45,147 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 765 places, 2055 transitions, 56538 flow [2021-04-29 08:17:46,839 INFO L129 PetriNetUnfolder]: 2423/4348 cut-off events. [2021-04-29 08:17:46,840 INFO L130 PetriNetUnfolder]: For 363503/363770 co-relation queries the response was YES. [2021-04-29 08:17:46,937 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70909 conditions, 4348 events. 2423/4348 cut-off events. For 363503/363770 co-relation queries the response was YES. Maximal size of possible extension queue 480. Compared 30804 event pairs, 205 based on Foata normal form. 38/4285 useless extension candidates. Maximal degree in co-relation 70615. Up to 1378 conditions per place. [2021-04-29 08:17:47,004 INFO L146 LiptonReduction]: Number of co-enabled transitions 1556 [2021-04-29 08:17:47,763 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:17:47,764 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:17:47,764 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2642 [2021-04-29 08:17:47,764 INFO L480 AbstractCegarLoop]: Abstraction has has 765 places, 2055 transitions, 56538 flow [2021-04-29 08:17:47,764 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.272727272727273) internal successors, (300), 11 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:17:47,764 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:17:47,764 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] [2021-04-29 08:17:47,764 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-04-29 08:17:47,765 INFO L428 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:17:47,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:17:47,765 INFO L82 PathProgramCache]: Analyzing trace with hash 2138540538, now seen corresponding path program 46 times [2021-04-29 08:17:47,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:17:47,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585141519] [2021-04-29 08:17:47,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:17:47,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:17:47,781 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:17:47,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:17:47,788 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:17:47,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:17:47,801 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:17:47,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:17:47,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:47,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:17:47,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:47,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:17:47,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:47,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:17:47,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:47,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:17:47,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:47,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:17:47,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:47,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:17:47,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:47,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:17:47,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:47,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:17:47,978 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:17:47,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:17:48,014 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:17:48,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:17:48,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:17:48,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585141519] [2021-04-29 08:17:48,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:17:48,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:17:48,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458153611] [2021-04-29 08:17:48,020 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:17:48,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:17:48,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:17:48,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:17:48,022 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:17:48,022 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 765 places, 2055 transitions, 56538 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:17:48,022 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:17:48,022 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:17:48,022 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:17:53,141 INFO L129 PetriNetUnfolder]: 2801/4805 cut-off events. [2021-04-29 08:17:53,142 INFO L130 PetriNetUnfolder]: For 512975/513183 co-relation queries the response was YES. [2021-04-29 08:17:53,240 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85158 conditions, 4805 events. 2801/4805 cut-off events. For 512975/513183 co-relation queries the response was YES. Maximal size of possible extension queue 472. Compared 31764 event pairs, 467 based on Foata normal form. 43/4847 useless extension candidates. Maximal degree in co-relation 84858. Up to 4333 conditions per place. [2021-04-29 08:17:53,277 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1640 selfloop transitions, 406 changer transitions 3/2057 dead transitions. [2021-04-29 08:17:53,277 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 786 places, 2057 transitions, 60653 flow [2021-04-29 08:17:53,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-04-29 08:17:53,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-04-29 08:17:53,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 654 transitions. [2021-04-29 08:17:53,279 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47947214076246336 [2021-04-29 08:17:53,279 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 654 transitions. [2021-04-29 08:17:53,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 654 transitions. [2021-04-29 08:17:53,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:17:53,279 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 654 transitions. [2021-04-29 08:17:53,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 29.727272727272727) internal successors, (654), 22 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:17:53,281 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 62.0) internal successors, (1426), 23 states have internal predecessors, (1426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:17:53,282 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 62.0) internal successors, (1426), 23 states have internal predecessors, (1426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:17:53,282 INFO L185 Difference]: Start difference. First operand has 765 places, 2055 transitions, 56538 flow. Second operand 22 states and 654 transitions. [2021-04-29 08:17:53,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 786 places, 2057 transitions, 60653 flow [2021-04-29 08:17:56,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 762 places, 2057 transitions, 58769 flow, removed 9 selfloop flow, removed 24 redundant places. [2021-04-29 08:17:56,878 INFO L241 Difference]: Finished difference. Result has 764 places, 2053 transitions, 55439 flow [2021-04-29 08:17:56,878 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=54656, PETRI_DIFFERENCE_MINUEND_PLACES=741, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2055, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=405, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1649, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=55439, PETRI_PLACES=764, PETRI_TRANSITIONS=2053} [2021-04-29 08:17:56,879 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 712 predicate places. [2021-04-29 08:17:56,879 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:17:56,879 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 764 places, 2053 transitions, 55439 flow [2021-04-29 08:17:56,879 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 764 places, 2053 transitions, 55439 flow [2021-04-29 08:17:56,903 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 759 places, 2053 transitions, 55439 flow [2021-04-29 08:17:58,622 INFO L129 PetriNetUnfolder]: 2434/4351 cut-off events. [2021-04-29 08:17:58,622 INFO L130 PetriNetUnfolder]: For 362905/363194 co-relation queries the response was YES. [2021-04-29 08:17:58,716 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70271 conditions, 4351 events. 2434/4351 cut-off events. For 362905/363194 co-relation queries the response was YES. Maximal size of possible extension queue 471. Compared 30684 event pairs, 174 based on Foata normal form. 38/4295 useless extension candidates. Maximal degree in co-relation 69979. Up to 1381 conditions per place. [2021-04-29 08:17:58,781 INFO L146 LiptonReduction]: Number of co-enabled transitions 1560 [2021-04-29 08:17:59,534 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:17:59,535 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:17:59,535 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2656 [2021-04-29 08:17:59,535 INFO L480 AbstractCegarLoop]: Abstraction has has 759 places, 2053 transitions, 55439 flow [2021-04-29 08:17:59,535 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:17:59,535 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:17:59,536 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] [2021-04-29 08:17:59,536 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-04-29 08:17:59,536 INFO L428 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:17:59,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:17:59,536 INFO L82 PathProgramCache]: Analyzing trace with hash 623202060, now seen corresponding path program 47 times [2021-04-29 08:17:59,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:17:59,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947329428] [2021-04-29 08:17:59,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:17:59,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:17:59,551 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:17:59,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:17:59,562 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:17:59,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:17:59,576 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:17:59,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:17:59,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:59,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:17:59,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:59,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:17:59,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:59,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:17:59,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:59,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:17:59,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:59,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:17:59,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:59,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:17:59,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:59,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:17:59,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:17:59,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:17:59,750 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:17:59,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:17:59,785 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:17:59,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:17:59,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:17:59,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947329428] [2021-04-29 08:17:59,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:17:59,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:17:59,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105798091] [2021-04-29 08:17:59,792 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:17:59,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:17:59,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:17:59,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:17:59,793 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:17:59,793 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 759 places, 2053 transitions, 55439 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:17:59,793 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:17:59,793 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:17:59,793 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:18:04,996 INFO L129 PetriNetUnfolder]: 2802/4795 cut-off events. [2021-04-29 08:18:04,996 INFO L130 PetriNetUnfolder]: For 509484/509812 co-relation queries the response was YES. [2021-04-29 08:18:05,093 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84281 conditions, 4795 events. 2802/4795 cut-off events. For 509484/509812 co-relation queries the response was YES. Maximal size of possible extension queue 474. Compared 31665 event pairs, 470 based on Foata normal form. 51/4845 useless extension candidates. Maximal degree in co-relation 83983. Up to 4333 conditions per place. [2021-04-29 08:18:05,129 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1642 selfloop transitions, 397 changer transitions 6/2053 dead transitions. [2021-04-29 08:18:05,130 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 779 places, 2053 transitions, 59529 flow [2021-04-29 08:18:05,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-04-29 08:18:05,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-04-29 08:18:05,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 628 transitions. [2021-04-29 08:18:05,131 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4823348694316436 [2021-04-29 08:18:05,131 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 628 transitions. [2021-04-29 08:18:05,131 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 628 transitions. [2021-04-29 08:18:05,132 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:18:05,132 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 628 transitions. [2021-04-29 08:18:05,132 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 29.904761904761905) internal successors, (628), 21 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:18:05,133 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 62.0) internal successors, (1364), 22 states have internal predecessors, (1364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:18:05,133 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 62.0) internal successors, (1364), 22 states have internal predecessors, (1364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:18:05,133 INFO L185 Difference]: Start difference. First operand has 759 places, 2053 transitions, 55439 flow. Second operand 21 states and 628 transitions. [2021-04-29 08:18:05,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 779 places, 2053 transitions, 59529 flow [2021-04-29 08:18:08,597 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 760 places, 2053 transitions, 58697 flow, removed 1 selfloop flow, removed 19 redundant places. [2021-04-29 08:18:08,643 INFO L241 Difference]: Finished difference. Result has 761 places, 2047 transitions, 55344 flow [2021-04-29 08:18:08,644 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=54607, PETRI_DIFFERENCE_MINUEND_PLACES=740, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2053, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=397, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1656, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=55344, PETRI_PLACES=761, PETRI_TRANSITIONS=2047} [2021-04-29 08:18:08,644 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 709 predicate places. [2021-04-29 08:18:08,644 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:18:08,644 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 761 places, 2047 transitions, 55344 flow [2021-04-29 08:18:08,644 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 761 places, 2047 transitions, 55344 flow [2021-04-29 08:18:08,669 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 755 places, 2047 transitions, 55344 flow [2021-04-29 08:18:10,367 INFO L129 PetriNetUnfolder]: 2424/4325 cut-off events. [2021-04-29 08:18:10,367 INFO L130 PetriNetUnfolder]: For 366894/367271 co-relation queries the response was YES. [2021-04-29 08:18:10,460 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70257 conditions, 4325 events. 2424/4325 cut-off events. For 366894/367271 co-relation queries the response was YES. Maximal size of possible extension queue 472. Compared 30393 event pairs, 167 based on Foata normal form. 39/4271 useless extension candidates. Maximal degree in co-relation 69965. Up to 1371 conditions per place. [2021-04-29 08:18:10,525 INFO L146 LiptonReduction]: Number of co-enabled transitions 1554 [2021-04-29 08:18:11,327 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:18:11,327 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:18:11,327 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2683 [2021-04-29 08:18:11,328 INFO L480 AbstractCegarLoop]: Abstraction has has 755 places, 2047 transitions, 55344 flow [2021-04-29 08:18:11,328 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:18:11,328 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:18:11,328 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] [2021-04-29 08:18:11,328 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-04-29 08:18:11,328 INFO L428 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:18:11,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:18:11,328 INFO L82 PathProgramCache]: Analyzing trace with hash 530225356, now seen corresponding path program 48 times [2021-04-29 08:18:11,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:18:11,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249259736] [2021-04-29 08:18:11,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:18:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:18:11,343 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:18:11,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:18:11,351 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:18:11,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:18:11,362 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:18:11,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:18:11,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:18:11,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:18:11,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:18:11,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:18:11,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:18:11,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:18:11,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:18:11,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:18:11,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:18:11,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:18:11,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:18:11,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:18:11,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:18:11,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:18:11,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:18:11,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:18:11,536 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:18:11,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:18:11,573 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:18:11,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:18:11,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:18:11,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249259736] [2021-04-29 08:18:11,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:18:11,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:18:11,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327168975] [2021-04-29 08:18:11,579 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:18:11,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:18:11,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:18:11,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:18:11,580 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:18:11,580 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 755 places, 2047 transitions, 55344 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:18:11,580 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:18:11,580 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:18:11,580 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:18:17,286 INFO L129 PetriNetUnfolder]: 2798/4799 cut-off events. [2021-04-29 08:18:17,286 INFO L130 PetriNetUnfolder]: For 509094/509294 co-relation queries the response was YES. [2021-04-29 08:18:17,384 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84242 conditions, 4799 events. 2798/4799 cut-off events. For 509094/509294 co-relation queries the response was YES. Maximal size of possible extension queue 472. Compared 31754 event pairs, 469 based on Foata normal form. 43/4841 useless extension candidates. Maximal degree in co-relation 83944. Up to 4321 conditions per place. [2021-04-29 08:18:17,420 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1636 selfloop transitions, 401 changer transitions 5/2050 dead transitions. [2021-04-29 08:18:17,420 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 779 places, 2050 transitions, 59446 flow [2021-04-29 08:18:17,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-04-29 08:18:17,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-04-29 08:18:17,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 740 transitions. [2021-04-29 08:18:17,422 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4774193548387097 [2021-04-29 08:18:17,422 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 740 transitions. [2021-04-29 08:18:17,422 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 740 transitions. [2021-04-29 08:18:17,422 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:18:17,422 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 740 transitions. [2021-04-29 08:18:17,423 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 29.6) internal successors, (740), 25 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:18:17,424 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 62.0) internal successors, (1612), 26 states have internal predecessors, (1612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:18:17,424 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 62.0) internal successors, (1612), 26 states have internal predecessors, (1612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:18:17,424 INFO L185 Difference]: Start difference. First operand has 755 places, 2047 transitions, 55344 flow. Second operand 25 states and 740 transitions. [2021-04-29 08:18:17,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 779 places, 2050 transitions, 59446 flow [2021-04-29 08:18:20,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 759 places, 2050 transitions, 58629 flow, removed 3 selfloop flow, removed 20 redundant places. [2021-04-29 08:18:21,045 INFO L241 Difference]: Finished difference. Result has 760 places, 2043 transitions, 55271 flow [2021-04-29 08:18:21,046 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=54533, PETRI_DIFFERENCE_MINUEND_PLACES=735, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2047, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=400, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1647, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=55271, PETRI_PLACES=760, PETRI_TRANSITIONS=2043} [2021-04-29 08:18:21,046 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 708 predicate places. [2021-04-29 08:18:21,046 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:18:21,047 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 760 places, 2043 transitions, 55271 flow [2021-04-29 08:18:21,047 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 760 places, 2043 transitions, 55271 flow [2021-04-29 08:18:21,071 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 758 places, 2043 transitions, 55271 flow [2021-04-29 08:18:22,759 INFO L129 PetriNetUnfolder]: 2424/4323 cut-off events. [2021-04-29 08:18:22,760 INFO L130 PetriNetUnfolder]: For 366548/366930 co-relation queries the response was YES. [2021-04-29 08:18:22,852 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70214 conditions, 4323 events. 2424/4323 cut-off events. For 366548/366930 co-relation queries the response was YES. Maximal size of possible extension queue 465. Compared 30392 event pairs, 162 based on Foata normal form. 47/4273 useless extension candidates. Maximal degree in co-relation 69923. Up to 1375 conditions per place. [2021-04-29 08:18:22,916 INFO L146 LiptonReduction]: Number of co-enabled transitions 1560 [2021-04-29 08:18:23,628 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:18:23,628 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:18:23,629 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2583 [2021-04-29 08:18:23,629 INFO L480 AbstractCegarLoop]: Abstraction has has 758 places, 2043 transitions, 55271 flow [2021-04-29 08:18:23,629 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:18:23,629 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:18:23,629 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] [2021-04-29 08:18:23,629 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-04-29 08:18:23,629 INFO L428 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:18:23,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:18:23,630 INFO L82 PathProgramCache]: Analyzing trace with hash -1650560044, now seen corresponding path program 49 times [2021-04-29 08:18:23,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:18:23,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874689918] [2021-04-29 08:18:23,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:18:23,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:18:23,643 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:18:23,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:18:23,651 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:18:23,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:18:23,662 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:18:23,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:18:23,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:18:23,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:18:23,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:18:23,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:18:23,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:18:23,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:18:23,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:18:23,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:18:23,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:18:23,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:18:23,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:18:23,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:18:23,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:18:23,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:18:23,816 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:18:23,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:18:23,851 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:18:23,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:18:23,887 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:18:23,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:18:23,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:18:23,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874689918] [2021-04-29 08:18:23,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:18:23,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:18:23,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361508579] [2021-04-29 08:18:23,894 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:18:23,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:18:23,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:18:23,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:18:23,895 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:18:23,895 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 758 places, 2043 transitions, 55271 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:18:23,895 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:18:23,895 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:18:23,895 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:18:29,293 INFO L129 PetriNetUnfolder]: 2797/4775 cut-off events. [2021-04-29 08:18:29,293 INFO L130 PetriNetUnfolder]: For 509128/509328 co-relation queries the response was YES. [2021-04-29 08:18:29,394 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84166 conditions, 4775 events. 2797/4775 cut-off events. For 509128/509328 co-relation queries the response was YES. Maximal size of possible extension queue 469. Compared 31438 event pairs, 451 based on Foata normal form. 44/4818 useless extension candidates. Maximal degree in co-relation 83869. Up to 4310 conditions per place. [2021-04-29 08:18:29,432 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1617 selfloop transitions, 418 changer transitions 7/2050 dead transitions. [2021-04-29 08:18:29,433 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 781 places, 2050 transitions, 59500 flow [2021-04-29 08:18:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-04-29 08:18:29,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-04-29 08:18:29,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 726 transitions. [2021-04-29 08:18:29,434 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4879032258064516 [2021-04-29 08:18:29,434 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 726 transitions. [2021-04-29 08:18:29,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 726 transitions. [2021-04-29 08:18:29,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:18:29,435 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 726 transitions. [2021-04-29 08:18:29,435 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 30.25) internal successors, (726), 24 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:18:29,436 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 62.0) internal successors, (1550), 25 states have internal predecessors, (1550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:18:29,436 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 62.0) internal successors, (1550), 25 states have internal predecessors, (1550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:18:29,437 INFO L185 Difference]: Start difference. First operand has 758 places, 2043 transitions, 55271 flow. Second operand 24 states and 726 transitions. [2021-04-29 08:18:29,437 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 781 places, 2050 transitions, 59500 flow [2021-04-29 08:18:33,040 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 761 places, 2050 transitions, 58696 flow, removed 4 selfloop flow, removed 20 redundant places. [2021-04-29 08:18:33,106 INFO L241 Difference]: Finished difference. Result has 762 places, 2036 transitions, 55207 flow [2021-04-29 08:18:33,107 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=54469, PETRI_DIFFERENCE_MINUEND_PLACES=738, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2043, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=418, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1625, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=55207, PETRI_PLACES=762, PETRI_TRANSITIONS=2036} [2021-04-29 08:18:33,107 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 710 predicate places. [2021-04-29 08:18:33,107 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:18:33,107 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 762 places, 2036 transitions, 55207 flow [2021-04-29 08:18:33,108 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 762 places, 2036 transitions, 55207 flow [2021-04-29 08:18:33,144 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 758 places, 2036 transitions, 55207 flow [2021-04-29 08:18:34,912 INFO L129 PetriNetUnfolder]: 2427/4322 cut-off events. [2021-04-29 08:18:34,912 INFO L130 PetriNetUnfolder]: For 356790/357042 co-relation queries the response was YES. [2021-04-29 08:18:35,006 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69928 conditions, 4322 events. 2427/4322 cut-off events. For 356790/357042 co-relation queries the response was YES. Maximal size of possible extension queue 468. Compared 30363 event pairs, 188 based on Foata normal form. 36/4262 useless extension candidates. Maximal degree in co-relation 69637. Up to 1382 conditions per place. [2021-04-29 08:18:35,071 INFO L146 LiptonReduction]: Number of co-enabled transitions 1560 [2021-04-29 08:18:35,807 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:18:35,807 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:18:35,807 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2700 [2021-04-29 08:18:35,808 INFO L480 AbstractCegarLoop]: Abstraction has has 758 places, 2036 transitions, 55207 flow [2021-04-29 08:18:35,808 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:18:35,808 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:18:35,808 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] [2021-04-29 08:18:35,808 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2021-04-29 08:18:35,808 INFO L428 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:18:35,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:18:35,808 INFO L82 PathProgramCache]: Analyzing trace with hash 891192054, now seen corresponding path program 50 times [2021-04-29 08:18:35,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:18:35,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688461997] [2021-04-29 08:18:35,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:18:35,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:18:35,827 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:18:35,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:18:35,834 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:18:35,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:18:35,847 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:18:35,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:18:35,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:18:35,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:18:35,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:18:35,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:18:35,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:18:35,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:18:35,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:18:35,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:18:35,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:18:35,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:18:35,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:18:35,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:18:35,974 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-04-29 08:18:35,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:18:36,009 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:18:36,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:18:36,044 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:18:36,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:18:36,083 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:18:36,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:18:36,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:18:36,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688461997] [2021-04-29 08:18:36,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:18:36,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:18:36,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000648067] [2021-04-29 08:18:36,090 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:18:36,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:18:36,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:18:36,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:18:36,091 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:18:36,092 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 758 places, 2036 transitions, 55207 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:18:36,092 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:18:36,092 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:18:36,092 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:18:42,013 INFO L129 PetriNetUnfolder]: 2795/4766 cut-off events. [2021-04-29 08:18:42,014 INFO L130 PetriNetUnfolder]: For 508970/509170 co-relation queries the response was YES. [2021-04-29 08:18:42,112 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84139 conditions, 4766 events. 2795/4766 cut-off events. For 508970/509170 co-relation queries the response was YES. Maximal size of possible extension queue 469. Compared 31351 event pairs, 448 based on Foata normal form. 43/4808 useless extension candidates. Maximal degree in co-relation 83842. Up to 4033 conditions per place. [2021-04-29 08:18:42,148 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1310 selfloop transitions, 727 changer transitions 7/2052 dead transitions. [2021-04-29 08:18:42,148 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 785 places, 2052 transitions, 59686 flow [2021-04-29 08:18:42,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-04-29 08:18:42,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-04-29 08:18:42,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 864 transitions. [2021-04-29 08:18:42,150 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4976958525345622 [2021-04-29 08:18:42,150 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 864 transitions. [2021-04-29 08:18:42,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 864 transitions. [2021-04-29 08:18:42,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:18:42,150 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 864 transitions. [2021-04-29 08:18:42,151 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 30.857142857142858) internal successors, (864), 28 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:18:42,152 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 62.0) internal successors, (1798), 29 states have internal predecessors, (1798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:18:42,152 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 62.0) internal successors, (1798), 29 states have internal predecessors, (1798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:18:42,152 INFO L185 Difference]: Start difference. First operand has 758 places, 2036 transitions, 55207 flow. Second operand 28 states and 864 transitions. [2021-04-29 08:18:42,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 785 places, 2052 transitions, 59686 flow [2021-04-29 08:18:45,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 758 places, 2052 transitions, 58615 flow, removed 3 selfloop flow, removed 27 redundant places. [2021-04-29 08:18:45,691 INFO L241 Difference]: Finished difference. Result has 759 places, 2029 transitions, 55518 flow [2021-04-29 08:18:45,692 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=54138, PETRI_DIFFERENCE_MINUEND_PLACES=731, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2036, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=727, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=55518, PETRI_PLACES=759, PETRI_TRANSITIONS=2029} [2021-04-29 08:18:45,692 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 707 predicate places. [2021-04-29 08:18:45,692 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:18:45,692 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 759 places, 2029 transitions, 55518 flow [2021-04-29 08:18:45,692 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 759 places, 2029 transitions, 55518 flow [2021-04-29 08:18:45,719 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 754 places, 2029 transitions, 55518 flow [2021-04-29 08:18:47,347 INFO L129 PetriNetUnfolder]: 2421/4305 cut-off events. [2021-04-29 08:18:47,348 INFO L130 PetriNetUnfolder]: For 359828/360101 co-relation queries the response was YES. [2021-04-29 08:18:47,439 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70300 conditions, 4305 events. 2421/4305 cut-off events. For 359828/360101 co-relation queries the response was YES. Maximal size of possible extension queue 468. Compared 30201 event pairs, 202 based on Foata normal form. 40/4247 useless extension candidates. Maximal degree in co-relation 70017. Up to 1381 conditions per place. [2021-04-29 08:18:47,501 INFO L146 LiptonReduction]: Number of co-enabled transitions 1560 [2021-04-29 08:18:48,228 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:18:48,228 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:18:48,228 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2536 [2021-04-29 08:18:48,228 INFO L480 AbstractCegarLoop]: Abstraction has has 754 places, 2029 transitions, 55518 flow [2021-04-29 08:18:48,229 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:18:48,229 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:18:48,229 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] [2021-04-29 08:18:48,229 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-04-29 08:18:48,229 INFO L428 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:18:48,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:18:48,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1901312374, now seen corresponding path program 51 times [2021-04-29 08:18:48,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:18:48,230 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397932218] [2021-04-29 08:18:48,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:18:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:18:48,244 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 08:18:48,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:18:48,251 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-29 08:18:48,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:18:48,263 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 08:18:48,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:18:48,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:18:48,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:18:48,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:18:48,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:18:48,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:18:48,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:18:48,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:18:48,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:18:48,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:18:48,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:18:48,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:18:48,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:18:48,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:18:48,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:18:48,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:18:48,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:18:48,451 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-04-29 08:18:48,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:18:48,487 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-04-29 08:18:48,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:18:48,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:18:48,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397932218] [2021-04-29 08:18:48,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 08:18:48,493 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 08:18:48,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196747454] [2021-04-29 08:18:48,494 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:18:48,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:18:48,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:18:48,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:18:48,495 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-04-29 08:18:48,495 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 754 places, 2029 transitions, 55518 flow. Second operand has 12 states, 12 states have (on average 27.166666666666668) internal successors, (326), 12 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:18:48,496 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:18:48,496 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-04-29 08:18:48,496 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:18:53,387 INFO L129 PetriNetUnfolder]: 2795/4755 cut-off events. [2021-04-29 08:18:53,387 INFO L130 PetriNetUnfolder]: For 507728/507928 co-relation queries the response was YES. [2021-04-29 08:18:53,480 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84421 conditions, 4755 events. 2795/4755 cut-off events. For 507728/507928 co-relation queries the response was YES. Maximal size of possible extension queue 471. Compared 31172 event pairs, 470 based on Foata normal form. 43/4797 useless extension candidates. Maximal degree in co-relation 84133. Up to 4314 conditions per place. [2021-04-29 08:18:53,517 INFO L132 encePairwiseOnDemand]: 47/62 looper letters, 1632 selfloop transitions, 385 changer transitions 4/2029 dead transitions. [2021-04-29 08:18:53,517 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 770 places, 2029 transitions, 59560 flow [2021-04-29 08:18:53,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-04-29 08:18:53,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-04-29 08:18:53,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 519 transitions. [2021-04-29 08:18:53,519 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49240986717267554 [2021-04-29 08:18:53,519 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 519 transitions. [2021-04-29 08:18:53,519 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 519 transitions. [2021-04-29 08:18:53,519 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:18:53,519 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 519 transitions. [2021-04-29 08:18:53,520 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 30.529411764705884) internal successors, (519), 17 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:18:53,521 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 62.0) internal successors, (1116), 18 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:18:53,522 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 62.0) internal successors, (1116), 18 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:18:53,522 INFO L185 Difference]: Start difference. First operand has 754 places, 2029 transitions, 55518 flow. Second operand 17 states and 519 transitions. [2021-04-29 08:18:53,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 770 places, 2029 transitions, 59560 flow Received shutdown request... [2021-04-29 08:18:53,955 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-04-29 08:18:53,956 WARN L545 AbstractCegarLoop]: Verification canceled [2021-04-29 08:18:53,959 WARN L224 ceAbstractionStarter]: Timeout [2021-04-29 08:18:53,960 INFO L202 PluginConnector]: Adding new model easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 08:18:53 BasicIcfg [2021-04-29 08:18:53,960 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-29 08:18:53,961 INFO L168 Benchmark]: Toolchain (without parser) took 764583.77 ms. Allocated memory was 302.0 MB in the beginning and 14.9 GB in the end (delta: 14.6 GB). Free memory was 270.9 MB in the beginning and 10.9 GB in the end (delta: -10.6 GB). Peak memory consumption was 4.0 GB. Max. memory is 16.0 GB. [2021-04-29 08:18:53,962 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.31 ms. Allocated memory is still 302.0 MB. Free memory is still 272.0 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 08:18:53,962 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.58 ms. Allocated memory is still 302.0 MB. Free memory was 285.4 MB in the beginning and 283.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-29 08:18:53,962 INFO L168 Benchmark]: Boogie Preprocessor took 31.96 ms. Allocated memory is still 302.0 MB. Free memory was 283.9 MB in the beginning and 282.9 MB in the end (delta: 992.9 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 08:18:53,962 INFO L168 Benchmark]: RCFGBuilder took 365.39 ms. Allocated memory is still 302.0 MB. Free memory was 282.9 MB in the beginning and 276.6 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. [2021-04-29 08:18:53,962 INFO L168 Benchmark]: TraceAbstraction took 764068.37 ms. Allocated memory was 302.0 MB in the beginning and 14.9 GB in the end (delta: 14.6 GB). Free memory was 276.2 MB in the beginning and 10.9 GB in the end (delta: -10.6 GB). Peak memory consumption was 4.0 GB. Max. memory is 16.0 GB. [2021-04-29 08:18:53,963 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 0.31 ms. Allocated memory is still 302.0 MB. Free memory is still 272.0 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 41.58 ms. Allocated memory is still 302.0 MB. Free memory was 285.4 MB in the beginning and 283.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 31.96 ms. Allocated memory is still 302.0 MB. Free memory was 283.9 MB in the beginning and 282.9 MB in the end (delta: 992.9 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 365.39 ms. Allocated memory is still 302.0 MB. Free memory was 282.9 MB in the beginning and 276.6 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 764068.37 ms. Allocated memory was 302.0 MB in the beginning and 14.9 GB in the end (delta: 14.6 GB). Free memory was 276.2 MB in the beginning and 10.9 GB in the end (delta: -10.6 GB). Peak memory consumption was 4.0 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 631.0ms, 52 PlacesBefore, 52 PlacesAfterwards, 39 TransitionsBefore, 39 TransitionsAfterwards, 756 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 12 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 13 TotalNumberOfCompositions, 1728 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 664, positive: 604, positive conditional: 604, positive unconditional: 0, negative: 60, negative conditional: 60, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 508, positive: 471, positive conditional: 0, positive unconditional: 471, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 508, positive: 471, positive conditional: 0, positive unconditional: 471, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 508, positive: 465, positive conditional: 0, positive unconditional: 465, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 43, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 208, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 179, negative conditional: 0, negative unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 664, positive: 133, positive conditional: 133, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 508, unknown conditional: 508, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 508, Positive cache size: 471, Positive conditional cache size: 471, Positive unconditional cache size: 0, Negative cache size: 37, Negative conditional cache size: 37, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 69.2ms, 47 PlacesBefore, 41 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 506 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1144 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 339, positive: 281, positive conditional: 281, positive unconditional: 0, negative: 58, negative conditional: 58, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 51, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 51, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 51, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 339, positive: 232, positive conditional: 232, positive unconditional: 0, negative: 56, negative conditional: 56, negative unconditional: 0, unknown: 51, unknown conditional: 51, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 559, Positive cache size: 520, Positive conditional cache size: 520, Positive unconditional cache size: 0, Negative cache size: 39, Negative conditional cache size: 39, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 61.2ms, 42 PlacesBefore, 37 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 306 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 341 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 122, positive: 102, positive conditional: 102, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 25, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 25, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 122, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 25, unknown conditional: 25, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 584, Positive cache size: 543, Positive conditional cache size: 543, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 40.0ms, 38 PlacesBefore, 36 PlacesAfterwards, 26 TransitionsBefore, 26 TransitionsAfterwards, 246 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 157 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 83, positive: 73, positive conditional: 73, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22, positive: 22, positive conditional: 6, positive unconditional: 16, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 22, positive: 22, positive conditional: 6, positive unconditional: 16, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 22, positive: 22, positive conditional: 0, positive unconditional: 22, 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: 83, positive: 51, positive conditional: 51, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 60.6ms, 65 PlacesBefore, 59 PlacesAfterwards, 79 TransitionsBefore, 79 TransitionsAfterwards, 406 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 48.7ms, 61 PlacesBefore, 61 PlacesAfterwards, 77 TransitionsBefore, 77 TransitionsAfterwards, 360 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 114.7ms, 86 PlacesBefore, 85 PlacesAfterwards, 140 TransitionsBefore, 140 TransitionsAfterwards, 510 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 149.2ms, 113 PlacesBefore, 111 PlacesAfterwards, 195 TransitionsBefore, 195 TransitionsAfterwards, 588 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 169.0ms, 136 PlacesBefore, 134 PlacesAfterwards, 233 TransitionsBefore, 233 TransitionsAfterwards, 644 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 166.4ms, 154 PlacesBefore, 152 PlacesAfterwards, 260 TransitionsBefore, 260 TransitionsAfterwards, 660 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 166.8ms, 169 PlacesBefore, 167 PlacesAfterwards, 287 TransitionsBefore, 287 TransitionsAfterwards, 646 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 175.1ms, 189 PlacesBefore, 187 PlacesAfterwards, 324 TransitionsBefore, 324 TransitionsAfterwards, 656 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 250.8ms, 203 PlacesBefore, 199 PlacesAfterwards, 364 TransitionsBefore, 364 TransitionsAfterwards, 686 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 325.0ms, 221 PlacesBefore, 217 PlacesAfterwards, 461 TransitionsBefore, 461 TransitionsAfterwards, 702 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 244.5ms, 243 PlacesBefore, 241 PlacesAfterwards, 499 TransitionsBefore, 499 TransitionsAfterwards, 712 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 319.7ms, 256 PlacesBefore, 254 PlacesAfterwards, 507 TransitionsBefore, 507 TransitionsAfterwards, 718 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 256.6ms, 264 PlacesBefore, 263 PlacesAfterwards, 515 TransitionsBefore, 515 TransitionsAfterwards, 720 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 336.1ms, 272 PlacesBefore, 268 PlacesAfterwards, 519 TransitionsBefore, 519 TransitionsAfterwards, 722 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 311.6ms, 277 PlacesBefore, 276 PlacesAfterwards, 558 TransitionsBefore, 558 TransitionsAfterwards, 722 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 387.6ms, 297 PlacesBefore, 295 PlacesAfterwards, 601 TransitionsBefore, 601 TransitionsAfterwards, 752 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 390.0ms, 313 PlacesBefore, 312 PlacesAfterwards, 631 TransitionsBefore, 631 TransitionsAfterwards, 770 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 444.8ms, 333 PlacesBefore, 331 PlacesAfterwards, 689 TransitionsBefore, 689 TransitionsAfterwards, 814 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 614.5ms, 363 PlacesBefore, 359 PlacesAfterwards, 794 TransitionsBefore, 794 TransitionsAfterwards, 940 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 672.9ms, 386 PlacesBefore, 384 PlacesAfterwards, 906 TransitionsBefore, 906 TransitionsAfterwards, 994 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1246.1ms, 420 PlacesBefore, 420 PlacesAfterwards, 1116 TransitionsBefore, 1116 TransitionsAfterwards, 1056 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1431.7ms, 446 PlacesBefore, 446 PlacesAfterwards, 1290 TransitionsBefore, 1290 TransitionsAfterwards, 1108 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1547.7ms, 469 PlacesBefore, 467 PlacesAfterwards, 1399 TransitionsBefore, 1399 TransitionsAfterwards, 1162 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1550.8ms, 481 PlacesBefore, 481 PlacesAfterwards, 1426 TransitionsBefore, 1426 TransitionsAfterwards, 1186 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1473.7ms, 505 PlacesBefore, 505 PlacesAfterwards, 1482 TransitionsBefore, 1482 TransitionsAfterwards, 1194 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2024.4ms, 520 PlacesBefore, 519 PlacesAfterwards, 1557 TransitionsBefore, 1557 TransitionsAfterwards, 1216 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2302.3ms, 542 PlacesBefore, 541 PlacesAfterwards, 1696 TransitionsBefore, 1696 TransitionsAfterwards, 1240 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2342.1ms, 560 PlacesBefore, 559 PlacesAfterwards, 1744 TransitionsBefore, 1744 TransitionsAfterwards, 1324 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4520.2ms, 594 PlacesBefore, 593 PlacesAfterwards, 1821 TransitionsBefore, 1822 TransitionsAfterwards, 1370 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2382.0ms, 601 PlacesBefore, 599 PlacesAfterwards, 1895 TransitionsBefore, 1895 TransitionsAfterwards, 1412 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2617.9ms, 614 PlacesBefore, 610 PlacesAfterwards, 1907 TransitionsBefore, 1907 TransitionsAfterwards, 1444 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2670.3ms, 622 PlacesBefore, 622 PlacesAfterwards, 1916 TransitionsBefore, 1916 TransitionsAfterwards, 1450 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2741.3ms, 633 PlacesBefore, 632 PlacesAfterwards, 1928 TransitionsBefore, 1928 TransitionsAfterwards, 1458 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2908.7ms, 649 PlacesBefore, 647 PlacesAfterwards, 1942 TransitionsBefore, 1942 TransitionsAfterwards, 1458 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2646.0ms, 654 PlacesBefore, 652 PlacesAfterwards, 1948 TransitionsBefore, 1948 TransitionsAfterwards, 1458 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2467.4ms, 662 PlacesBefore, 660 PlacesAfterwards, 1951 TransitionsBefore, 1951 TransitionsAfterwards, 1458 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2553.2ms, 662 PlacesBefore, 660 PlacesAfterwards, 1951 TransitionsBefore, 1951 TransitionsAfterwards, 1458 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2847.3ms, 666 PlacesBefore, 662 PlacesAfterwards, 1969 TransitionsBefore, 1969 TransitionsAfterwards, 1482 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2949.3ms, 679 PlacesBefore, 675 PlacesAfterwards, 1985 TransitionsBefore, 1985 TransitionsAfterwards, 1512 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2827.1ms, 686 PlacesBefore, 684 PlacesAfterwards, 2004 TransitionsBefore, 2004 TransitionsAfterwards, 1532 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2699.3ms, 691 PlacesBefore, 690 PlacesAfterwards, 2010 TransitionsBefore, 2010 TransitionsAfterwards, 1556 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2786.8ms, 700 PlacesBefore, 699 PlacesAfterwards, 2037 TransitionsBefore, 2037 TransitionsAfterwards, 1588 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3004.0ms, 702 PlacesBefore, 701 PlacesAfterwards, 2038 TransitionsBefore, 2038 TransitionsAfterwards, 1594 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2809.5ms, 710 PlacesBefore, 709 PlacesAfterwards, 2041 TransitionsBefore, 2041 TransitionsAfterwards, 1614 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2902.2ms, 711 PlacesBefore, 710 PlacesAfterwards, 2041 TransitionsBefore, 2041 TransitionsAfterwards, 1614 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2889.9ms, 709 PlacesBefore, 707 PlacesAfterwards, 2046 TransitionsBefore, 2046 TransitionsAfterwards, 1618 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2905.9ms, 726 PlacesBefore, 725 PlacesAfterwards, 2057 TransitionsBefore, 2057 TransitionsAfterwards, 1636 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2963.6ms, 734 PlacesBefore, 733 PlacesAfterwards, 2057 TransitionsBefore, 2057 TransitionsAfterwards, 1636 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2778.5ms, 731 PlacesBefore, 729 PlacesAfterwards, 2056 TransitionsBefore, 2056 TransitionsAfterwards, 1636 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2869.6ms, 748 PlacesBefore, 744 PlacesAfterwards, 2065 TransitionsBefore, 2065 TransitionsAfterwards, 1630 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2888.9ms, 757 PlacesBefore, 755 PlacesAfterwards, 2079 TransitionsBefore, 2079 TransitionsAfterwards, 1662 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3069.2ms, 773 PlacesBefore, 771 PlacesAfterwards, 2134 TransitionsBefore, 2134 TransitionsAfterwards, 1696 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3054.0ms, 775 PlacesBefore, 771 PlacesAfterwards, 2132 TransitionsBefore, 2132 TransitionsAfterwards, 1696 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3065.5ms, 788 PlacesBefore, 786 PlacesAfterwards, 2132 TransitionsBefore, 2132 TransitionsAfterwards, 1700 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2939.9ms, 781 PlacesBefore, 777 PlacesAfterwards, 2128 TransitionsBefore, 2128 TransitionsAfterwards, 1688 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2746.6ms, 776 PlacesBefore, 765 PlacesAfterwards, 2120 TransitionsBefore, 2120 TransitionsAfterwards, 1658 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2880.7ms, 771 PlacesBefore, 768 PlacesAfterwards, 2117 TransitionsBefore, 2117 TransitionsAfterwards, 1652 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2859.8ms, 774 PlacesBefore, 771 PlacesAfterwards, 2117 TransitionsBefore, 2117 TransitionsAfterwards, 1646 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2740.8ms, 774 PlacesBefore, 770 PlacesAfterwards, 2114 TransitionsBefore, 2114 TransitionsAfterwards, 1638 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2975.2ms, 769 PlacesBefore, 766 PlacesAfterwards, 2110 TransitionsBefore, 2110 TransitionsAfterwards, 1638 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2903.1ms, 773 PlacesBefore, 770 PlacesAfterwards, 2108 TransitionsBefore, 2108 TransitionsAfterwards, 1626 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2887.7ms, 773 PlacesBefore, 765 PlacesAfterwards, 2102 TransitionsBefore, 2102 TransitionsAfterwards, 1604 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2722.8ms, 771 PlacesBefore, 770 PlacesAfterwards, 2101 TransitionsBefore, 2101 TransitionsAfterwards, 1604 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2760.2ms, 772 PlacesBefore, 769 PlacesAfterwards, 2099 TransitionsBefore, 2099 TransitionsAfterwards, 1608 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2964.9ms, 779 PlacesBefore, 773 PlacesAfterwards, 2091 TransitionsBefore, 2091 TransitionsAfterwards, 1582 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2957.7ms, 769 PlacesBefore, 762 PlacesAfterwards, 2086 TransitionsBefore, 2086 TransitionsAfterwards, 1578 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2976.8ms, 765 PlacesBefore, 764 PlacesAfterwards, 2082 TransitionsBefore, 2082 TransitionsAfterwards, 1574 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2962.0ms, 767 PlacesBefore, 765 PlacesAfterwards, 2084 TransitionsBefore, 2084 TransitionsAfterwards, 1570 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2822.1ms, 766 PlacesBefore, 763 PlacesAfterwards, 2081 TransitionsBefore, 2081 TransitionsAfterwards, 1570 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2695.1ms, 762 PlacesBefore, 759 PlacesAfterwards, 2077 TransitionsBefore, 2077 TransitionsAfterwards, 1570 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3056.1ms, 774 PlacesBefore, 769 PlacesAfterwards, 2077 TransitionsBefore, 2077 TransitionsAfterwards, 1574 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2631.7ms, 782 PlacesBefore, 780 PlacesAfterwards, 2075 TransitionsBefore, 2075 TransitionsAfterwards, 1568 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2694.3ms, 781 PlacesBefore, 775 PlacesAfterwards, 2070 TransitionsBefore, 2070 TransitionsAfterwards, 1556 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2648.0ms, 779 PlacesBefore, 771 PlacesAfterwards, 2054 TransitionsBefore, 2054 TransitionsAfterwards, 1556 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2641.4ms, 765 PlacesBefore, 765 PlacesAfterwards, 2055 TransitionsBefore, 2055 TransitionsAfterwards, 1556 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2655.7ms, 764 PlacesBefore, 759 PlacesAfterwards, 2053 TransitionsBefore, 2053 TransitionsAfterwards, 1560 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2683.0ms, 761 PlacesBefore, 755 PlacesAfterwards, 2047 TransitionsBefore, 2047 TransitionsAfterwards, 1554 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2581.7ms, 760 PlacesBefore, 758 PlacesAfterwards, 2043 TransitionsBefore, 2043 TransitionsAfterwards, 1560 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2699.4ms, 762 PlacesBefore, 758 PlacesAfterwards, 2036 TransitionsBefore, 2036 TransitionsAfterwards, 1560 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2535.5ms, 759 PlacesBefore, 754 PlacesAfterwards, 2029 TransitionsBefore, 2029 TransitionsAfterwards, 1560 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 606, Positive cache size: 565, Positive conditional cache size: 565, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 79]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 79). Cancelled while executing RemoveRedundantFlow. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 20.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 763882.8ms, OverallIterations: 84, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 574482.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 809.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2468 SDtfs, 2793 SDslu, 694 SDs, 0 SdLazy, 62579 SolverSat, 1585 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 39716.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2240 GetRequests, 47 SyntacticMatches, 217 SemanticMatches, 1976 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7539 ImplicationChecksByTransitivity, 59960.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=57731occurred in iteration=57, InterpolantAutomatonStates: 1800, 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: 78.5ms SsaConstructionTime, 406.4ms SatisfiabilityAnalysisTime, 20312.3ms InterpolantComputationTime, 1890 NumberOfCodeBlocks, 1890 NumberOfCodeBlocksAsserted, 84 NumberOfCheckSat, 1806 ConstructedInterpolants, 0 QuantifiedInterpolants, 21175 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 84 InterpolantComputations, 84 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